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Senior Fullstack Engineer (Java, Vue) at Zartis | European Union

Zartis

Full-time|On-site|European Union

Join Our Team as a Senior Fullstack Engineer!At Zartis, we are a pioneering digital solutions provider specializing in technology strategy, software engineering, and product development. Our mission is to empower businesses across various sectors, including financial services, MedTech, media, logistics technology, renewable energy, EdTech, and e-commerce.Wit…

Dec 12, 2025

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Senior Full Stack Engineer (Java & Angular) at Zartis | European Union

Zartis

Full-time|On-site|European Union

Senior Full Stack Engineer (Java & Angular) , Zartis, European Union About Zartis Zartis partners with organizations across the globe to deliver technology solutions that make a real difference. Our teams specialize in AI-driven platforms, secure APIs, and cloud-native engineering. With engineering hubs across EMEA and LATAM, we work with clients in financial services, healthcare, life sciences, and energy. Engineers at Zartis collaborate on projects from strategy through delivery, helping clients adopt advanced technologies and solve complex challenges. The company values an inclusive culture where trust and innovation guide the way forward. Role Overview This Senior Full Stack Engineer role focuses on a fintech project. The team is distributed and values diverse backgrounds. The work centers on developing financial process automation tools that improve productivity, reduce costs, and support regulatory compliance. What You Will Do Design, build, and deploy scalable full-stack applications using Java (Spring Boot) on the backend and AngularJS on the frontend. Work hands-on across the stack, including Node.js services and cloud-native integrations. Act as a technical leader, mentoring and guiding engineers within the team. Collaborate with stakeholders to define architecture, technical direction, and best practices. Promote high engineering standards through code reviews, testing, and CI/CD processes. Support the ongoing migration from Azure to AWS, working closely with stakeholders. Identify and implement improvements to system performance, scalability, and reliability. Make key technical decisions aligned with long-term product and platform goals. What We’re Looking For Extensive experience in full-stack software development, especially with Java and Spring Boot. Track record of building scalable applications and leading technical projects. Strong communication skills and ability to collaborate with diverse teams. Attention to detail and strong problem-solving abilities.

Apr 15, 2026

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Senior Data Engineer (Snowflake) at Zartis | European Union

Zartis

Full-time|On-site|European Union

Senior Data Engineer (Snowflake)About Zartis:Zartis is a premier global partner in AI transformation and technology consulting, where skilled engineers and technologists collaborate on groundbreaking innovations. We work hand-in-hand with forward-thinking organizations to design, develop, and scale technology solutions that create substantial impacts.Our teams possess extensive expertise in AI-driven platforms, secure API architectures, and cloud-native engineering. You will engage in substantial projects that hasten the adoption of advanced technologies, guiding them from strategic planning and discovery through to comprehensive product delivery, and transforming intricate challenges into quantifiable results.With engineering hubs across EMEA and LATAM, and enduring partnerships in sectors such as financial services, healthcare and life sciences, and energy and climate, we provide opportunities to work on projects that truly matter. Here, you will not only construct technology — you will influence business outcomes and advance your career alongside industry leaders.We are currently seeking a Senior Data Engineer to contribute to an exciting project within the media sector.Project Overview:We invite a talented Senior Data Engineer to join our team for a key project in the media sector, focused on developing innovative data products for a prominent US media company. Our team is composed of diverse individuals from various backgrounds, and we are dedicated to fostering an inclusive culture grounded in trust and innovation.You will be an integral part of a distributed team working on two pioneering product streams — the AI Solutions Pod and Rights360 — utilizing a modern, Snowflake-native technology stack. Your responsibilities will include designing and developing scalable, impactful systems, contributing to innovative solutions that integrate data, automation, and intelligent technologies to address real business challenges and promote efficient, insight-driven decision-making in dynamic environments.We seek a candidate who embodies a full-stack, data-driven product-building mindset, comfortable taking ownership of problems from inception to resolution and delivering solutions directly to end-users.

Mar 26, 2026

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Senior Software Engineer (Java, React) - Fintech Solutions

Zartis

Full-time|On-site|European Union

Zartis partners with organizations worldwide to deliver technology consulting and AI transformation. Teams collaborate closely with clients to design, build, and scale solutions that address real business needs. With engineering centers in EMEA and LATAM, Zartis supports industries such as financial services, healthcare, life sciences, and energy and climate. Engineers at Zartis bring expertise in AI-driven platforms, secure API architectures, and cloud-native development. Projects cover the entire lifecycle, from strategy and discovery through to product delivery, with a focus on solving complex problems and making a measurable impact. Team members have opportunities to contribute to business growth and learn from experienced professionals across sectors. Role overview This Senior Software Engineer position focuses on full-stack development for a fintech project. The team values inclusion, trust, and innovation, bringing together people from diverse backgrounds to solve challenges in financial technology. Project focus The role involves joining a distributed group working on financial process automation tools. The aim is to increase productivity, lower costs, and support compliance for client organizations. Work centers on building solutions that streamline financial operations and deliver measurable business value. Main responsibilities Design, build, and maintain high-performance, reusable full-stack applications. Collaborate with Product and cross-functional teams to define and deliver end-to-end technical solutions. Contribute in an Agile environment, using Lean principles focused on CI/CD, automated testing, and continuous delivery. Follow established engineering best practices, code quality standards, and development processes throughout the delivery lifecycle. Take ownership of technical design and provide accurate estimates for complex tasks and projects. Engage with customers and stakeholders to ensure deliverables meet requirements and expectations. Monitor solution quality and stability, suggest improvements, and propose changes as needed. Requirements At least 5 years of experience building applications in Java, with a focus on Spring or Spring Boot. Hands-on experience with React and TypeScript. Strong understanding of event-driven architecture and microservices. Excellent communication skills and a proactive approach to decision-making. Attention to detail and experience developing software from the ground up. Location This position is open to candidates based in the European Union.

Apr 22, 2026

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Senior Java Software Engineer

Zartis

Full-time|On-site|European Union

About Us:Zartis is a leading digital solutions provider specializing in technology strategy, software engineering, and product development. We collaborate with organizations across various sectors including financial services, MedTech, media, logistics technology, renewable energy, EdTech, and e-commerce. Our engineering hubs in EMEA and LATAM are home to a diverse group of skilled professionals driving business success and enhancing digital capabilities through application development, software architecture, CI/CD, business intelligence, QA automation, and cutting-edge technology integrations.We are currently seeking a Senior Software Engineer to join our team and work on an exciting project within the logistics sector.Project Overview:You will be joining a talented and diverse team dedicated to fostering an inclusive culture grounded in trust and innovation. As part of a distributed team, you will support a logistics leader that offers expert consulting, specialized software, and managed services (4PL) to streamline end-to-end logistics operations.We are looking for a candidate with strong communication skills, a proactive approach, and a solid background in building software from the ground up while maintaining attention to detail.Your Responsibilities:Design and develop backend components that serve as the foundation of our digital products, utilizing Java and Spring Boot as your primary toolkit.Implement and maintain well-structured RESTful APIs, adhering to best practices in API design to ensure reliability, clarity, and long-term maintainability.Engage in the complete software development lifecycle from ideation and implementation to testing and deployment, taking ownership of clean, efficient, and maintainable code.Collaborate closely with frontend, DevOps, and QA teams to ensure seamless integration across systems and contribute to delivering a smooth, high-quality user experience.Participate in code reviews, share innovative ideas, and assist in evolving our engineering practices.

Mar 30, 2026

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DB2 Database Administrator at Zartis | European Timezone

Zartis

Full-time|On-site|European Timezone

About Zartis:Zartis is a premier global partner in AI transformation and technology consulting. We empower skilled engineers and technologists to spearhead groundbreaking innovations. Collaborating with forward-thinking organizations, we design, implement, and scale technology solutions that create substantial impact in various sectors.Our teams possess extensive knowledge across AI-driven platforms, secure API architectures, and cloud-native engineering. You will engage in significant projects that promote the adoption of advanced technologies, guiding the journey from strategy and discovery to complete product delivery, transforming complex challenges into quantifiable results.With engineering hubs across EMEA and LATAM, and enduring partnerships in industries such as financial services, healthcare, life sciences, and energy, we provide opportunities to contribute to projects that genuinely matter. Here, you won't merely be building technology; you'll be driving business outcomes while advancing your career alongside industry leaders.The Role:We are seeking a capable DB2 Database Administrator to join our consultancy project in the media sector. Our team comprises talented individuals from diverse backgrounds, and we are dedicated to fostering an inclusive culture rooted in trust and innovation.As a vital member of our distributed team, you will take ownership of our enterprise BI platform, a robust IBM DB2 system that delivers critical business analytics across the organization. Your responsibilities will include managing infrastructure, optimizing performance, ensuring data security and availability, and leading the technical advancement of this essential platform.Your Responsibilities:Administer and maintain the IBM Db2 12.1.2 Warehouse on Cloud environment (24-node MPP cluster).Drive performance tuning and query optimization for a complex, high-volume analytical workload.Oversee storage, backup, and recovery operations to ensure platform resilience.Establish and maintain security policies and access controls.Provide expert advice on schema design and data architecture.Collaborate with data engineers and analytics teams to enhance platform health and scalability.Support the ongoing infrastructure migration from IBM Cloud to AWS where applicable.Document database configurations, processes, and best practices.Your Qualifications:Proven experience in production DB2 administration, preferably with Db2 Warehouse or MPP environments.Strong proficiency in performance tuning and query optimization on DB2.Experience in storage management, backup strategies, and disaster recovery.Knowledge of DB2 security configurations and access control best practices.Capability to advise on schema design and contribute to architectural decisions.

Mar 30, 2026

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Senior Software Engineer (Java, Node.js)

Zartis

Full-time|On-site|European Union

About Zartis Zartis partners with organizations across the globe to drive AI transformation and deliver technology consulting services. Our engineers and technologists work on projects that shape how advanced technologies are integrated and scaled. With deep expertise in AI-driven platforms, secure API architectures, and cloud-native engineering, our teams support clients from planning and discovery through to product delivery. We operate engineering hubs throughout EMEA and LATAM, collaborating with clients in financial services, healthcare, life sciences, energy, and climate. Projects at Zartis offer the chance to influence business outcomes and develop alongside leaders in the field. We are currently seeking a Senior Software Engineer (Java, Node.js) to join a fintech project in the European Union. Project Overview This role involves working with a distributed team to build financial process automation solutions. The aim is to improve productivity, reduce costs, and ensure compliance with industry regulations. Our environment values trust, innovation, and inclusion, bringing together professionals from a range of backgrounds. The ideal candidate communicates clearly, makes thoughtful decisions, takes initiative, and pays close attention to detail. Experience building software from the ground up is highly valued. What You Will Do Design and maintain data pipelines and ETL/ELT workflows, handling batch extraction, transformation, and loading into analytics-ready repositories. Build and manage event-driven, serverless data processing systems using AWS tools such as S3, EventBridge, Lambda, and Athena. Develop Python-based components for data parsing and transformation within Lambda environments. Write and optimize SQL queries for data validation and analysis with Athena. Create and maintain embedded analytics dashboards for customer-facing reporting using AWS QuickSight. Provision and manage data infrastructure with Terraform to ensure consistent deployments across environments. Implement CI/CD pipelines and set up monitoring and alerting to support reliable data platform operations. Improve and extend existing pipeline frameworks while working within legacy systems.

Apr 17, 2026

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Senior Software Engineer (Node.js / AWS) - EdTech

Zartis

Full-time|On-site|European Union

Zartis partners with organizations around the globe to deliver technology consulting and AI transformation. The team focuses on AI-driven platforms, secure API design, and cloud-native engineering. With engineering hubs throughout EMEA and LATAM, Zartis supports clients in sectors such as financial services, healthcare, life sciences, and energy. Collaboration, measurable outcomes, and career growth are core values, and the company emphasizes working alongside experienced professionals. Role overview This Senior Software Engineer (Node.js / AWS) position centers on a project in the education technology sector. The distributed team includes people from a range of backgrounds, all brought together by a culture of trust and innovation. The work aims to build solutions that improve university programs, student services, exam preparation, and corporate training worldwide. Candidates who are proactive, communicate clearly, make thoughtful decisions, and enjoy building software from the ground up with attention to detail will thrive in this role. What you will do Develop RESTful services using AWS API Gateway and Lambda with Node.js and NestJS. Design and implement scalable, event-driven microservice architectures with Amazon EventBridge, SNS, SQS, RabbitMQ, and AmazonMQ. Lead engineering initiatives and collaborate with cross-functional teams and stakeholders. Integrate external APIs into core systems. Use GitHub Copilot in daily development, including AI-assisted code reviews within CI/CD pipelines. Requirements Minimum 6 years of experience with Node.js and frameworks such as Express, NestJS, or Koa. Hands-on experience with AWS, particularly Lambda (serverless) and infrastructure-as-code using Terraform. Strong skills in TypeScript. Experience working with message brokers and asynchronous communication in distributed systems. Proficiency with Git and established version control practices. Familiarity with Agile or Scrum methodologies. Location This position is open to candidates based in the European Union.

Apr 22, 2026

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Senior .NET Software Engineer - E-Commerce Innovation

Zartis

Full-time|Hybrid|European Union

Zartis is a technology consulting partner specializing in AI transformation. Teams at Zartis support clients across industries such as financial services, healthcare, life sciences, and energy. The company’s work covers areas like AI-driven platforms, secure API architectures, and cloud-native engineering. Projects often involve moving from strategic planning to full product delivery, addressing complex technical challenges and producing measurable results. With engineering centers throughout EMEA and LATAM, Zartis brings together colleagues who value innovation and business impact. The company offers the chance to contribute to projects that matter, working in a collaborative environment. Role overview The Senior .NET Software Engineer – E-Commerce Innovation position centers on a project within the e-commerce sector. The team partners with a major platform trusted by global brands, aiming to enhance digital shopping experiences. The main objective is to deliver scalable solutions that make online shopping safer, simpler, and faster for consumers worldwide. What you will do Work as part of a distributed engineering team developing new technologies to address real business needs. Contribute to designing and building scalable systems for e-commerce applications. Collaborate with colleagues from varied backgrounds in a culture built on trust and inclusion. Participate in all stages of product development, from planning to delivery. Requirements Experience building scalable systems, ideally in e-commerce or related domains. Strong communication skills and a proactive problem-solving approach. Demonstrated ownership mentality and attention to detail. Comfort working in a distributed, production-focused setting. Location This position is open to candidates based in the European Union.

Apr 24, 2026

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Senior Fullstack TypeScript Developer at lemlist | European Union

lemlist

Full-time|Remote|European union

About lemlistAt lemlist, we are dedicated to empowering businesses around the globe with our innovative B2B SaaS solutions aimed at facilitating growth.Currently, we are generating over $43M in Annual Recurring Revenue (ARR) while maintaining:A bootstrapped modelStrong profitabilityA nimble team of 140 talented individuals, thriving in a remote-friendly environmentOwnership by our founder and entrepreneur, Guillaume Moubeche, ensuring we retain the freedom to innovateWe operate across two primary business lines:Sales Engagement through our flagship product lemlist, contributing $38M ARR with over 40% growth year-on-yearPersonal Branding via Taplio & Tweet Hunter, which generates $5M ARROur ambition is to establish lemlist as a leader in the Sales Tech industry, and we live by our mantra: Keep growing.Job DescriptionWe are on the lookout for a Senior Fullstack TypeScript Developer to become part of our dynamic team. Your role will involve designing and implementing cutting-edge features for our SaaS offerings. We desire an individual who is self-driven, passionate about technology, and thrives on tackling complex challenges.Your Responsibilities Include:Crafting and developing innovative features from the ground up, encompassing both frontend and backend aspects, with a focus on enhancing user experience and product capabilities.Assuming the role of technical lead within your team, promoting excellence and establishing best practices.Refining the codebase through systematic refactoring, debugging, and performance optimization.Managing multiple projects concurrently with agility and efficiency.Providing technical support to the customer service team by resolving technical issues promptly and effectively.Fostering knowledge sharing and capacity building by mentoring fellow developers to elevate the overall team skillset and productivity.Key Outcomes ExpectedWithin the first 3 months, you will achieve:A successful onboarding experience and seamless integration into the team.An in-depth understanding of our B2B SaaS products and their technical requirements.

Jul 2, 2025

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Senior Full-Stack Engineer at Playson | European Union

Playson

Full-time|On-site|European Union

Playson, a premier online gaming supplier established in 2012, has garnered global acclaim in the iGaming sector. We deliver comprehensive gaming solutions powered by cutting-edge technologies and thorough market analysis tailored for leading iGaming operators.Our Game Tribe is on the lookout for a Senior Full-Stack Engineer. In this pivotal role, you will work in close collaboration with the Head of Gamification and fellow engineers to design, develop, and enhance game services. Your contributions will focus on:Developing a robust slot game engineCreating microservices for functionalities such as fraud detection and release processesConducting R&D on game mechanics, mathematical packages, and innovative gameplay featuresEngaging in hypothesis testing and rapid prototyping with a PoC-first approachYour Responsibilities:Design, develop, and maintain backend services for promotional features using Node.js/TypeScript.Enhance the frontend UI utilizing Pixi.js and Phaser.js, ensuring optimal usability and performance.Optimize existing systems for maximum throughput, minimal latency, and scalability.Lead technical decision-making and contribute to the evolution of our SaaS solutions and platforms.Collaborate with a geographically-distributed, cross-functional team; proactively suggest enhancements.Uphold code and architectural excellence through reviews, adherence to SDLC best practices, and automation.Take ownership of quality by writing unit, integration, and end-to-end tests; drive observability and performance.Participate in on-call rotations to maintain system reliability and availability.

Nov 13, 2025

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Senior AI Engineer - Node.js / Next.js / TypeScript

Ruby Labs

Full-time|On-site|European Union

Ruby Labs builds and manages consumer products across health, education, and entertainment. The team focuses on practical, user-driven solutions and values technical curiosity. Learn more about the company at https://rubylabs.com/about-us/. Role Overview This Senior AI Engineer position centers on Node.js, Next.js, and TypeScript. The role shapes AI infrastructure and improves production-ready large language model (LLM) experiences. Day-to-day, the engineer makes data-driven decisions that affect model performance, reliability, and cost control. What You Will Do Develop prompt systems for LLMs and manage structured outputs. Design and orchestrate complex LLM workflows using tools such as LangChain and LlamaIndex. Maintain observability and strong debugging practices, using Langfuse and AI gateways like OpenRouter. Drive model quality and operational efficiency from experimentation through live production. Take full ownership of key AI features, ensuring they are robust and production-ready. Location This role is open to candidates based in the European Union.

Apr 14, 2026

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Senior Backend Engineer at Ruby Labs | European Union

Ruby Labs

Full-time|On-site|European Union

Join Our Team!At Ruby Labs, we are at the forefront of technology, creating and managing groundbreaking consumer products that redefine the way we engage with health, education, and entertainment. Our dynamic and innovative teams are shaping the future of consumer-centric solutions. If you’re passionate about technology and eager to make an impact, we invite you to explore our story here.Your RoleWe are seeking a talented Senior Backend Engineer who will be instrumental in designing, developing, and scaling the backend systems that support our AI product Use.ai. This position offers significant ownership and the opportunity to tackle complex distributed systems challenges, while ensuring the delivery of features and infrastructure excellence. Collaborate closely with our development team to maintain high standards of quality and alignment across projects.Key ResponsibilitiesDevelop and implement new backend features with an emphasis on scalability, performance, and reliability.Optimize and enhance existing services and infrastructure.Design, deploy, and manage backend services across AWS, Cloudflare, and other platforms.Utilize tools like Sentry and OpenTelemetry for monitoring and observability improvements.Address and resolve production issues within distributed systems.Write clean, maintainable code that adheres to SOLID principles and best practices.Lead investigations into incidents, perform root cause analyses, and enhance system reliability.Contribute to architectural decisions, documentation, and infrastructure planning.Foster open communication and uphold a culture of ownership and delivery.

Feb 19, 2026

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Senior Backend Engineer (Node.js) at Playson | European Union

Playson

Full-time|On-site|European Union

Join Playson - a premier online gaming supplier recognized globally since our inception in 2012. As part of our dedicated promotional features team, we are looking for a Senior Backend Engineer with extensive expertise in Node.js. This pivotal position focuses on the development and enhancement of promotional features for our innovative gaming platforms, prioritizing performance, scalability, and state-of-the-art solutions.If you're passionate about product development, excel at tackling complex technical challenges, and possess a rapid 'Proof of Concept' mindset coupled with a strong sense of ownership, we want to hear from you!

Jun 23, 2025

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Senior Product Designer at lemlist | European Union

lemlist

Full-time|On-site|European union

About us At lemlist, we revolutionize sales engagement, empowering teams with unrivaled tools to achieve their goals. Since our inception, we've grown organically to reach a remarkable $35M ARR in just six years, without external funding. Today, we stand as a profitable B2B SaaS company valued at $150M, serving over 40,000 sales teams around the globe to enhance their meeting bookings and close more deals.As a Senior Product Designer, you'll collaborate closely with Senior Product Managers and Developers across our teams to create impactful solutions for our users. You'll take ownership of the design process from problem identification to product launch, contributing to the future of sales technology.Your responsibilities will include:Gaining a profound understanding of our market, users, and product visionInvestigating underlying issues and opportunitiesLeading the design delivery process with Product Managers from discovery to launch, ensuring user satisfaction and impactIdentifying challenges, proposing enhancements, and influencing the product roadmapEnsuring product quality by promoting consistency, simplicity, and usabilityCrafting exceptional design experiences that establish lemlist as a leader in the marketWorking efficiently, adapting quickly, and learning continuously, whether in a team or directly with usersManaging multiple design opportunities simultaneouslyContributing to the future landscape of Product Design and Sales, including AI integrationEvolving your role to maximize the value you can provideWhat we’re not looking for:Designers who only deliver Figma filesThose who wait for instructions rather than taking initiativeIndividuals uncomfortable with user engagement or value-driven designDesigners who do not prioritize user impactThose who prefer their comfort zoneIndividuals who spend more time on processes than on delivering user value

Feb 11, 2026

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Senior Legal Counsel at Playson | European Union

Playson

Full-time|Hybrid|European Union

Join the dynamic team at Playson, where you will play a pivotal role as a Senior Legal Counsel, transforming regulatory challenges into competitive advantages. If you thrive on drafting significant agreements, managing compliance across different jurisdictions, and providing strategic counsel to executive leadership, this opportunity is tailored for you.Key Responsibilities:Lead jurisdictional due diligence initiatives across our licensed markets, ensuring comprehensive regulatory compliance and proactive risk management.Draft, negotiate, and finalize complex commercial contracts, ensuring optimal terms while protecting the organization’s legal interests.Develop and uphold corporate governance frameworks, advising senior management on strategic risks and policy improvements.Collaborate with Compliance, Product, and Business teams to integrate legal perspectives with commercial goals and product strategies.Stay abreast of changing regulations, trends, and best practices, translating insights into practical advice for the leadership team.Provide timely legal advice on emerging issues to facilitate swift and compliant decision-making.Requirements:LLB / LLM (or equivalent) required.Minimum of 3 years of post-qualification experience, with at least 2 years in the iGaming sector (mandatory).Demonstrated ability to navigate multi-jurisdictional legal frameworks and provide business-oriented solutions.Exceptional skills in contract drafting, negotiation, and communication with stakeholders.Detail-oriented, proactive, and results-focused individual with strong organizational skills and ethical standards.What We Offer:Performance-based quarterly bonuses.Flexible hybrid working model.Comprehensive medical insurance (covering you and one additional person) and financial support for special occasions.Reimbursement for professional development activities and online English language courses.Employee referral bonus program.Recruitment Process:Initial HR InterviewTest AssignmentTechnical InterviewFinal Interview with Head of Legal and People Business Partner

Dec 17, 2025

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Senior Game Mathematician at Playson | European Union

Playson

Full-time|On-site|European Union

Playson is a premier online gaming provider recognized globally, established in 2012. We deliver comprehensive gaming solutions leveraging cutting-edge technology and thorough market analysis tailored for leading iGaming operators.Our mission:To enhance entertainment and satisfaction in the fast-paced world.Role Overview:With a focus on growth and scalability, we are thrilled to welcome accomplished Mathematicians to join our Game Development team. The selected candidate will collaborate with Product Owners and fellow Mathematicians, contributing significantly to our organizational objectives.Key Qualifications: Minimum of 3 years’ experience as a game mathematician within the online gambling sector. Proficiency in scripting languages, preferably TypeScript or JavaScript. Strong grasp of essential programming paradigms. Exceptional ability to tackle complex and abstract mathematical problems. Meticulous attention to detail, with the capability to identify minor errors in mathematical models and rectify them. Passion for slot games from both a developer's and player's perspective. Aptitude for swiftly prototyping initial ideas. Basic knowledge of HTTP client-server interactions. Analytical and data-driven approach to decision-making. Driven by challenges and ambitious objectives. Proficient in spoken and written English.Preferred Skills: Strong mathematical intuition, creativity, and curiosity. Perspective to analyze games from a player's viewpoint. Familiarity with project management tools (Jira) and collaboration platforms (Confluence).Responsibilities: Craft innovative game mathematics and mechanics in partnership with Product Owners and cross-functional teams. Refine game mathematics and mechanics, ensuring optimal product quality. Conduct simulations of game math to assess alignment with desired outcomes and other games in our portfolio.

Mar 2, 2026

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Senior Software Engineer (Scala) - Green Energy Project

Zartis

Full-time|On-site|European Union

Join Zartis as a Senior Software Engineer focused on green energy solutions:At Zartis, we are dedicated to delivering cutting-edge digital solutions across various sectors, including financial services, MedTech, media, logistics, renewable energy, EdTech, and e-commerce.As a part of our dynamic engineering teams located in EMEA and LATAM, you will collaborate with talented professionals to enhance application development, software architecture, CI/CD, business intelligence, QA automation, and technology integrations.In this role, you will join the API Platform team, where you will develop and maintain crucial components of a retail energy platform. Your responsibilities will include creating a high-performance GraphQL API and an event gateway to ensure efficient, low-latency data access for our global clients in the energy sector.We value collaboration and encourage an inclusive culture where teamwork thrives. You will engage in agile practices, address complex challenges, and utilize Infrastructure as Code (IaC) for managing Kubernetes deployments.

Feb 13, 2026

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Senior Software Engineer (Node.js/React) - Digital Mental Health

Zartis

Full-time|On-site|European Union

About Us:Zartis is a leading digital solutions provider specializing in technology strategy, software engineering, and product development. We collaborate with companies across various sectors including financial services, MedTech, media, logistics technology, renewable energy, EdTech, and e-commerce. Our engineering hubs in EMEA and LATAM are populated by skilled professionals dedicated to driving business success and enhancing digital capabilities through application development, software architecture, CI/CD, business intelligence, QA automation, and technology integrations. Role Overview: We are seeking a passionate Senior Software Engineer to join our team and contribute to a transformative project in the digital mental health sector. This role involves working with a diverse group of talented individuals committed to fostering an inclusive culture rooted in trust and innovation. As part of a distributed team, you will help revolutionize mental health care by developing the UK’s largest platform designed to support and empower young people in managing their mental well-being. You will play a key role in determining the technical direction and building robust, scalable systems that guide users to the assistance they need. Key Responsibilities: - Design, implement, and manage a range of Node.js backend services, React-based web applications, and React Native mobile experiences that form the foundation of our platform.- Take complete ownership of features from conception to deployment, demonstrating accountability and a customer-focused impact.- Ensure the longevity of a legacy platform through proactive maintenance, strategic enhancements, and high-quality technical support.- Engage in system design and architectural improvements.- Champion best practices in trunk-based development, automated testing, CI/CD, and infrastructure as code.- Take charge of system performance, resilience, observability, maintainability, security, and accessibility.- Collaborate across disciplines and mentor peers through pair programming, code reviews, and knowledge sharing.

Apr 7, 2026

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Senior Product Marketing Manager - Core

Castai Group Inc.

Full-time|On-site|European Union

Role Overview Castai Group Inc. is looking for a Senior Product Marketing Manager - Core based in the European Union. This role shapes product marketing strategy and works closely with cross-functional teams to define product positioning, messaging, and go-to-market plans. The position focuses on connecting with target audiences and supporting product direction to help reach more of the market.

Apr 20, 2026

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