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.

We are on the lookout for a Technical Leader to join our dynamic Platform Tribe and spearhead the development of our innovative solutions, where every millisecond counts. Our challenges are complex as we strive to deliver exceptional results across all critical technical dimensions:Optimal availability,Minimal latency in transaction processing across all microservices,Highly efficient resource utilization.If you are passionate about product development, enjoy tackling intricate engineering challenges, and adopt a rapid

Established in 2012, Playson stands as a premier iGaming supplier recognized globally. Our cutting-edge micro-service-based platform delivers a robust service that processes billions of financial transactions daily. We are dedicated to achieving cross-regional setups while relentlessly pursuing a reduction in latency to zero. Our commitment to providing an unparalleled gaming experience and seamless connectivity remains unwavering, regardless of our clients' internet coverage and bandwidth capabilities.We are on the lookout for a skilled Senior Site Reliability Engineer to become a key member of our innovative Platform Tribe.Key Responsibilities:Oversee daily alerts, system checks, and escalate issues when necessary.Provide 24/7 on-call support for critical SaaS incidents.Document issues and remediation procedures.Proactively create monitoring solutions within the EKS/Kubernetes environment.Utilize Terraform and Helm/Flux for deployments to the EKS/Kubernetes cluster.Enhance infrastructure reliability by implementing checks and scripts to manage known issues.Develop and maintain deployment code.Integrate new technologies into our cloud infrastructure.Collaborate with cross-functional teams to deliver exceptional support and solutions.Focus on customer needs during deployment planning to ensure minimal disruption.Perform root cause analysis and implement corrective actions to prevent future occurrences.Direct alert-related tasks to the appropriate team after investigation.Manage support requests for environment-specific actions.Qualifications:Expertise in Kubernetes (deployment, scaling, troubleshooting).Familiarity with configuration management tools such as FluxCD/ArgoCD.Solid experience with issue resolution processes (Root Cause Analysis, Postmortems).Knowledge of AWS, Terraform, Docker, CI/CD practices.Proficiency with monitoring tools like DataDog, Prometheus, Grafana, and logging solutions such as Elasticsearch, Logstash, and Kibana (ELK Stack) or AWS CloudWatch.Strong understanding of networking principles and protocols.Excellent problem-solving and analytical skills.

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.

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!

About Us:At onhires, we are dedicated to developing a powerful and scalable trading platform tailored for high-traffic, latency-sensitive applications. Our infrastructure utilizes cutting-edge technologies to facilitate real-time trading while ensuring unmatched reliability and performance. Join us to contribute to the evolution of our platform and engineering culture.Job Summary:We are seeking a Lead DevOps & Platform Engineer to spearhead the design, implementation, and management of our AWS-centric infrastructure. In this crucial role, you will enhance the productivity of our product engineering team while ensuring platform scalability, reliability, and security. This position blends elements of DevOps, Platform Engineering, and Site Reliability Engineering (SRE). You will advocate for best practices, influence our engineering culture, and guarantee that our platform remains robust, efficient, and future-ready.Key Responsibilities:Platform EngineeringInfrastructure Design: Design and implement scalable infrastructure to support the deployment and management of our trading platform.Developer Tooling: Create and maintain internal tools that enhance developer workflows, including sophisticated CI/CD pipelines.Infrastructure as Code (IaC): Advocate for and implement IaC practices using Terraform, CloudFormation, or Pulumi.Core Services Management: Oversee and optimize platform-critical services, including:NATS ClusterRabbitMQAWS RDS PostgreSQLRedis ClusterDevOpsAutomation and CI/CD: Streamline and optimize deployment processes to ensure smooth continuous integration and delivery.Container Orchestration: Oversee and scale containerized workloads utilizing Kubernetes and Docker.Cloud Optimization: Assess and enhance cloud resource utilization for optimal performance and cost-effectiveness.Site Reliability Engineering (SRE)Reliability Metrics: Develop and uphold Service Level Objectives (SLOs) and Service Level Indicators (SLIs).Monitoring & Observability: Implement monitoring tools and dashboards (e.g., Prometheus, Datadog, Grafana) for enhanced visibility into system performance.

About Thrill LabsAt Thrill Labs, we're not merely creating a gaming company; we're on a mission to ignite a global phenomenon in the world of crypto gaming. As the creative minds behind Thrill.com, we are poised to launch an innovative platform that promises to captivate millions. Our goal is to establish the world’s most iconic gaming brand, delivering enchanting experiences powered by a stellar team dedicated to reshaping the future of gaming.About the RoleAre you ready to lead the charge in the crypto iGaming revolution where cutting-edge technology meets immersive gameplay? We're on the lookout for a Senior Front-End Engineer who is not only skilled but also passionate about crafting extraordinary user experiences. In this pivotal role, you will be instrumental in building and refining the user interface of our platform, ensuring seamless interaction and engagement.As a Senior Front-End Engineer, you will work collaboratively with designers, backend developers, and product managers to create exceptional interfaces that enhance user experiences, from gaming interactions to cryptocurrency transactions. Your efforts will be vital in transforming Thrill.com into a household name in the industry.Key Responsibilities:Develop new user-facing components, ranging from intuitive navigation to advanced betslip functionalities.Collaborate with product managers and designers to innovate and deliver signature user experiences.Convert APIs and Figma designs into stunning user products.Contribute to architectural and technological decisions for front-end development.Produce high-quality code, engage in peer code reviews, and implement test automation.Own the development of full components while ensuring seamless collaboration with backend and infrastructure teams.Monitor and optimize performance to maintain the efficiency and effectiveness of your components.

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.

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.

Join Sanity.io, where we are pioneering the future of AI-driven Content Operations. Our innovative AI Content Operating System empowers teams to model, create, and automate content in alignment with their unique business needs, propelling digital development and enhancing content operation efficiency. Industry leaders like SKIMS, Figma, Riot Games, Anthropic, COMPLEX, Nordstrom, and Morningbrew trust Sanity to streamline and automate their content workflows.We are seeking a compassionate Senior Support Engineer who excels at tackling complex technical challenges and is dedicated to ensuring our customers succeed with Sanity at scale.In this vital role, you will take ownership of high-impact issues, guide enterprise clients through intricate implementations, and enhance the systems, workflows, and documentation that underpin our support organization.This position is not merely about responding to support tickets; it demands robust technical acumen, composed communication during high-pressure situations, and the capability to transform persistent customer challenges into enduring solutions.

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.

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.

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.

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.

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.

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.

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.

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.

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.