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.

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.

Join Playson, a premier online gaming supplier, established in 2012 and recognized globally for our innovative gaming solutions. We empower leading iGaming operators with cutting-edge technologies and in-depth market insights.As we continue to expand, we are on the lookout for a Technical Support Specialist with a solid background to become a part of our Integration Department.In this role, you will deliver comprehensive customer support services for our partners' integrations, ensuring seamless experiences.

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

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.

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.

Established in 2012, Playson has emerged as a premier supplier in the iGaming industry, garnering global recognition. Our innovative microservice-based platform processes billions of financial transactions daily, offering top-tier services to our clients.Join our Game Client team as a Senior Automation QA Engineer, where your enthusiasm for creating impeccable gaming experiences will shine. Engage deeply with our new game client, collaborating closely with developers to design automated tests that ensure both functionality and performance. Our aim is to achieve a stable, rapid, and visually stunning client that performs flawlessly across all devices and browsers. Are you ready to enhance the gaming experience for players? We want you on our team!Why Choose Playson?Contribute significantly to a transformative technological initiative;Work on high-impact projects that reach millions of players worldwide;Thrive in a flexible and supportive workplace;Advance your expertise with ongoing professional development opportunities.Key Qualifications:A minimum of 4 years of experience in test automation (both front-end and back-end);Practical experience with Playwright;Deep understanding of QA methodologies, tools, and processes;Proficiency in Python (pytest, requests, sqlalchemy, or similar);Skilled in SQL and scripting;Strong knowledge of HTTP/S, XML, JSON, HTML, CSS, and JavaScript;Familiarity with Jira, Confluence, and Zephyr;Experience using Git;At least upper-intermediate proficiency in English.Preferred Skills:Automation experience with JavaScript (in addition to Python);Familiarity with Selenium;Experience in developing test frameworks for load and functionality tests on mobile devices/applications;Proficiency in Agile/Scrum development processes;Experience with monitoring/observability tools like Datadog, New Relic, or Splunk.Responsibilities:Design, develop, and maintain automation frameworks for both functional and performance testing.

Playson is a prominent online gaming provider, established in 2012, renowned for delivering comprehensive gaming solutions that leverage cutting-edge technologies and in-depth market insights tailored for top-tier iGaming operators.We are currently on the lookout for a Senior Full-Stack Engineer to join our promotional features team. This role is ideal for someone with a strong backend focus (Node.js/TypeScript) while also possessing confidence in frontend technologies (React). You'll be responsible for designing, building, and refining features that are not only robust and scalable but also a delight for users.If you are passionate about products, eager to tackle complex engineering challenges, and have a rapid 'Proof of Concept first' mindset with a strong sense of ownership, we would love to connect with you.Key Responsibilities:Craft, develop, and sustain backend services for promotional features utilizing Node.js/TypeScript.Create and enhance the frontend UI in React (with Redux or modern state management), prioritizing usability and performance.Optimize existing architectures for high throughput, minimal latency, and exceptional scalability.Guide technical decisions, contributing to the advancement of our SaaS solutions and platform evolution.Collaborate with a diverse, cross-functional team and proactively suggest improvements.Uphold code and architectural excellence through code reviews, best practices in the software development lifecycle, and automation.Ensure quality by writing unit, integration, and end-to-end tests; and drive observability and performance metrics.Participate in on-call rotations to maintain system reliability and availability.

Playson is a prestigious online gaming supplier, celebrated globally since its inception in 2012. We specialize in delivering comprehensive gaming solutions that incorporate cutting-edge technology and thorough market analysis, catering to top-tier iGaming operators.We are on the lookout for a talented Senior Marketing Graphic Designer to revolutionize our game promotions and elevate our brand presence among partners. This pivotal role is part of the Marketing Squad, directly influencing how Playson is perceived across various channels.In our quest to enhance our creative capabilities, we seek a seasoned professional who can spearhead the evolution of our marketing visuals and foster the growth of our Graphic Artist stream.

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.

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.

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.

Expectations for SuccessEnsure timely, accurate, and compliant execution of outgoing payments.Oversee incoming payments and monitor cash inflows effectively.Accurately record all treasury transactions in 1C based on bank statements.Maintain cash flow accounting aligned with management reporting requirements.Conduct regular bank reconciliations and resolve discrepancies promptly.Identify inefficiencies in treasury operations and implement improvements.Assist with ad hoc financial reporting and support tasks as needed.Ideal Candidate ProfileBachelor's degree in Finance, Economics, Accounting, Banking, or a related field.Solid understanding of accounting principles and transaction flows.Experience with bank statements and reconciliations is essential.Familiarity with 1C software is advantageous.Proficient in English (intermediate level or higher).Fluency in Ukrainian is required.What We ProvideRemote working options within Europe or hybrid arrangements in selected hubs.Quarterly bonuses based on performance.Unlimited paid vacation and sick leave, focusing on outcomes rather than hours.Health insurance coverage for you and one additional person.Opportunities for team offsites and gatherings.

Join Playson, a leading gaming software provider, as an Account Manager focusing on the Greek markets. In this role, you will be instrumental in building and maintaining strong relationships with clients, driving business growth, and ensuring customer satisfaction.Your key responsibilities will include developing strategic plans to enhance client engagement, coordinating with various teams to deliver exceptional service, and analyzing market trends to identify opportunities for expansion.

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.With engineering hubs located in EMEA and LATAM, we are committed to delivering exceptional digital solutions that drive business success. Our talented professionals excel in application development, software architecture, CI/CD, business intelligence, QA automation, and new technology integrations.We are currently seeking a Senior Fullstack Engineer to contribute to a transformative project in the financial sector. You will be part of a diverse and inclusive team that prioritizes trust and innovation while working with leading nutritional clients to offer a wide array of investment and advisory services.About the Project:Our client is on a mission to modernize and scale their digital platforms, placing technology at the core of providing secure and high-quality financial services. You will collaborate with a distributed team to develop cutting-edge technologies that address real business challenges. Strong communication skills and experience in building software from the ground up will be essential for this role.Key Responsibilities:- Collaborate closely with business users, vendors, and stakeholders to design solutions that meet both functional and non-functional requirements. Create and maintain comprehensive project documentation including business requirements and design documents.- Lead the design and implementation of new components and features, managing key tasks and providing regular updates to stakeholders.- Work with the testing team to ensure all solutions are thoroughly tested, including the creation and execution of automated test scripts. Assess new technologies and third-party solutions.- Collaborate with existing and new vendors to integrate third-party solutions effectively.

Join AppFollow, a leading App review management and ASO platform dedicated to empowering app developers and product teams.We aim to simplify the daily tasks of app developers, product managers, marketing teams, and customer support professionals. AppFollow enables the collection and management of app and game data, boosts app ratings, enhances store rankings, and fosters user loyalty.This fully remote opportunity is perfect for a Senior Backend Engineer eager to contribute to AppFollow's global expansion. You will work on the essential backend systems that facilitate user engagement with product data, ensuring quick and efficient access to diverse datasets, while supporting flexible analytics and reporting capabilities across various data types.Key Responsibilities- Enhance and optimize the core backend functionalities of the AppFollow platform.- Develop and maintain systems for user interaction with product data.- Design and implement a source-agnostic data storage layer that ensures efficient, rapid, and dependable data delivery to users.- Create and support systems that generate insights from various customer and product data, including ratings, reviews, and other data sources, emphasizing customizable reporting.- Develop and support internal and public APIs for core data entities, adhering to API-first principles.- Design, build, maintain, and document a reliable, secure, efficient, and scalable codebase.- Collaborate with other developers to design and enhance the overall system architecture.- Engage with legacy services.- Work with the Platform team to deploy applications across various environments, ensuring smooth operations while adopting established standards and practices.Your Profile - 5+ years of experience in backend development with a strong focus on scalability and performance.

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.

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

Established in 2012, Playson stands as a premier iGaming provider with a global footprint, delivering an advanced micro-service-based platform designed to manage billions of financial transactions daily. Our infrastructure is cross-regional, and we strive to minimize latency to the absolute lowest possible levels. We are committed to providing an unparalleled gaming experience and seamless connectivity, irrespective of clients' internet coverage and bandwidth.Position Overview:We seek a passionate Senior Backend Engineer to join our Platform Tribe and spearhead the development of our state-of-the-art solutions, where every millisecond counts. Our challenges are complex as we strive for excellence across key technical dimensions:Optimal availability,Minimizing latency in all transaction processing and micro-services,Maximizing resource efficiency.If you are motivated by product innovation, have a knack for solving intricate engineering problems, and possess a rapid