Senior Frontend Engineer (Game Platform)

🏢 Summary: Frontend Engineer role focused on leading and evolving the architecture of digital draw game clients. Responsible for building and optimizing scalable, event-driven frontend systems using a modern React and TypeScript stack, enabling real-time gameplay and backend communication. The position includes ownership of client frameworks, build pipelines, and technical alignment with external studios. 🗂️ Requirements: 5+ years developing complex frontend applications, Strong experience with React, Strong experience with TypeScript, Hands-on experience with HTML5 game technologies, Experience building interactive web applications, Strong knowledge of state-driven systems, Strong knowledge of event-driven systems, Deep understanding of asynchronous programming, Proficiency with Vite, Experience with CSS frameworks, Experience with automated testing environments, Experience with Git and version control workflows 📃 Skills: React, TypeScript, Vite, HTML5, Three.js, PlayCanvas, JavaScript, Tailwind, CSS, Git, Testing, Asynchronous 🏢 Description: Frontend developer We are looking for an experienced Engineer to take technical ownership of the frontend architecture powering our digital draw games. In this role, you will design and maintain the core client frameworks that enable the integration of various game categories with our platform, defining how games handle lifecycles, player interactions, and real-time backend communication. Responsibilities: Architectural Leadership: Lead the evolution of frontend frameworks and reusable client foundations to support diverse game paradigms. Core Development: Build and optimize frontend systems using a modern stack including React, TypeScript, and Vite . Communication Patterns: Implement robust, event-driven client-server interactions for both on-demand and real-time gameplay. Technical Translation: Turn complex gameplay flows, UX layouts, and production specs into scalable, high-performance implementations. External Partnership: Act as a technical guide for external development studios, ensuring their games align with our architectural standards. Standards & Quality: Enforce coding standards, manage build pipelines, and identify technical bottlenecks or risks early in the lifecycle. Requirements: 5+ years of experience developing complex frontend applications with a focus on React and TypeScript . Hands-on experience with HTML5 game technologies , such as Three.js or PlayCanvas , and building interactive web applications. Strong background in state-driven and event-driven systems , including a deep understanding of asynchronous programming. Proficiency with modern tooling, including Vite, CSS frameworks (like Tailwind) , and automated testing environments. Collaboration Skills: Proven ability to work alongside designers and backend teams to translate product concepts into technical reality. Workflow Expertise: Solid experience with Git , version control practices, and managing collaborative development workflows.

🏢 Summary: Senior Frontend Architect role focused on building and evolving scalable frontend architecture for multiple HTML5 game clients. The position involves developing reusable frameworks, implementing real-time client-server communication, and delivering interactive web-based game experiences using modern frontend technologies. The role also ensures architectural standards, performance, and compliance across game clients. 🗂️ Requirements: 5+ years experience with React and TypeScript, Experience with HTML5 game technologies (Three.js or PlayCanvas), Experience building interactive or real-time web applications, Strong knowledge of event-driven or state-driven frontend architectures, Solid understanding of asynchronous programming and real-time client-server communication, Experience with Vite and modern CSS frameworks, Experience with automated frontend testing frameworks, Strong experience with Git and version control workflows, Ability to design scalable frontend architectures 📃 Skills: React, TypeScript, JavaScript, HTML5, CSS, Vite, Tailwind, Three.js, PlayCanvas, Git, WebSockets, Testing 🏢 Description: Key responsibilities: Own and evolve the frontend architecture and technical frameworks used across multiple game clients. Design and maintain reusable client foundations and game category frameworks supporting different game paradigms. Develop and maintain frontend systems using React, TypeScript, Vite, and modern CSS frameworks. Implement and maintain event-driven client-server communication patterns for realtime and on-demand gameplay flows. Translate gameplay flows, UX layouts, and production specifications into scalable frontend implementations. Support and guide external development studios building game experiences on top of the client frameworks. Maintain and manage source code repositories, versioning practices, and build pipelines for game clients. Define and enforce frontend architecture patterns, testing practices, and coding standards. Collaborate with product, design, backend, and QA teams to ensure smooth integration and reliable player experiences. Identify architectural risks, performance bottlenecks, and technical dependencies early and drive resolution. Ensure all game clients comply with technical, operational, and regulatory requirements Reguirements: 5+ years of experience developing complex frontend applications using React and TypeScript. Experience with HTML5 game development technologies, such as Three.js or PlayCanva s. Experience building interactive or real-time graphical applications for the web. Experience working with external development studios or distributed engineering teams. Strong experience building state-driven or event-driven frontend systems. Solid understanding of asynchronous programming and real-time client-server interactions. Experience with modern frontend tooling such as Vite, CSS frameworks (e.g., Tailwind), and automated testing frameworks . Strong experience with Git, version control, and collaborative development workflows . Ability to translate product and UX concepts into robust technical implementations. Experience collaborating with designers, backend engineers, and product teams. Strong problem-solving and communication skills. Nice to have: Experience working in regulated, transactional, or high-reliability environments is a plus. Client: A global leader with a sharp focus on lottery solutions. A confident step forward building on a long history of delivering safe and secure technology, demonstrating strong commitment to customers as a dedicated lottery service provider. Leveraging collective insight, experience, and expertise to create reliable and engaging solutions that help lottery clients achieve objectives, meet player needs, and deliver meaningful benefits to communities.

🏢 Summary: Leadership role for a React Tech Lead in a financial industry project within an international team, responsible for designing scalable frontend architectures and ensuring high engineering standards. The role combines hands-on React development with technical leadership, mentoring, and cross-functional collaboration. It includes ownership of frontend quality, performance, and delivery oversight. 🗂️ Requirements: 8+ years of software development experience, Experience in technical leadership roles, Strong experience with React, Strong experience with TypeScript, Experience with scalable frontend architecture, Knowledge of state management solutions, Experience with API integration, Experience with performance optimization, Experience with automated testing, Experience with CI/CD pipelines, Experience with cloud environments, Knowledge of DevOps practices, Experience working in Agile/Scrum, Fluent English (C1) 📃 Skills: React, TypeScript, Redux, Zustand, Jest, Cypress, CICD, Cloud, DevOps, Microfrontends, APIs, Agile, Scrum, Performance, Accessibility, Security 🏢 Description: At Pretius , we are looking for React Tech Lead to a project in the financial industry, international team. Project / Role Lead and mentor Frontend and cross-functional teams (Backend, DevOps, QA) Design and oversee scalable frontend architectures using React Define UI standards, performance, and best practices (testing, accessibility, security) Coordinate multiple teams and support staffing, onboarding, and recruitment Translate business requirements into technical solutions and support pre-sales Ensure high code quality through reviews and engineering standards Monitor delivery, report KPIs, and manage risks Collaborate with international stakeholders Requirements 8+ years of experience in software development, including leadership roles Strong hands-on experience with React, TypeScript, and modern frontend ecosystems Experience with scalable frontend architecture (e.g., micro-frontends is a plus) Knowledge of state management (Redux, Zustand, etc.) and API integration Familiarity with performance optimization, testing (Jest, Cypress), and CI/CD Experience working with cloud environments and modern DevOps practices Proven ability to lead teams and mentor engineers Familiarity with Agile / Scrum / DevOps Fluent English (C1) What do we offer? We focus on long- term relationships based on fair principles and reliability Co-financing of the Multisport card and Medicover private healthcare Modern office available Team bonding activities, internal courses, conferences, certifications

🏢 Summary: Senior Frontend Software Engineer role focused on building and maintaining complex web applications that power competitive tournament systems and public-facing experiences. The position involves end-to-end ownership of frontend features, including graph-based workflows, account management, and tournament operations. You will collaborate cross-functionally to deliver high-quality, scalable, and performant UI solutions integrated with backend services. 🗂️ Requirements: 5+ years frontend development experience, 4+ years experience with React, 4+ years experience with TypeScript, Bachelor's degree in Computer Science or related field, Senior-level experience building production frontend applications, Hands-on experience with GraphQL, Hands-on experience with Next.js including SSR and CSR, Experience integrating frontend with backend services, Understanding of modern frontend architecture, Knowledge of state management patterns, Experience with component-based design, Understanding of accessibility standards (WCAG), Ability to work in distributed teams across time zones 📃 Skills: React, TypeScript, JavaScript, GraphQL, Next.js, SSR, CSR, REST, Spring, HTML, CSS, WCAG 🏢 Description: About the role: Our client is one of the largest game studios known for its very successful online MOBA and FPS franchises. You will be part of a team that builds the systems and tools that power competitive play - from internal operator tooling used to create and manage tournaments, to player-facing web experiences that support competition at scale. We’re looking for a Senior Frontend Software Engineer to help us design and build complex frontend applications that support tournament creation, account management, and competition workflows. This role will work across internal operator tools as well as contribute to our public-facing experiences. This is a hands-on senior role where you’ll be expected to take ownership of features end-to-end, collaborate closely with product and backend partners, and deliver high-quality, maintainable frontend code. You will work closely with the engineering team in Los Angeles and other locations in the US West Coast. Due to working across multiple time zones, flexibility to attend later meetings on a daily basis is an important factor for success in this role (up to 9-10PM CEST). Each team member is expected to proactively propose tools, designs, and implementation strategies. Responsibilities: Design, build, and maintain frontend applications that support tournament setup, configuration, and operations. Work on complex UI workflows for creating and managing graph-based tournament structures. Contribute to public-facing web experiences with a focus on performance, usability, and polish. Collaborate closely with backend engineers, product managers, and designers to translate requirements into robust UI solutions. Integrate frontend applications with backend services, including GraphQL APIs and Java Spring REST APIs. Participate fully in team rituals, including 2-week sprints, planning, refinement, and retrospectives. Take clear ownership of your work - asking questions early, surfacing risks, and caring deeply about the quality of the end results Required qualifications: 5+ years of experience with Frontend Technologies 4+ years of experience with React and Typescript Bachelor's or higher degree in Computer Science , Software Engineering, or a related field Senior-level experience building production frontend applications. Hands-on experience with GraphQL and Next.js , including both SSR and CSR patterns. Experience integrating frontend applications with backend services (experience consuming Java Spring REST APIs is a plus). Solid understanding of modern frontend architecture, state management, and component design. Comfortable working independently in a remote environment while staying engaged and communicative. Understanding of accessibility standards and guidelines (e.g. WCAG) Nice to have: Working with PaaS Vendors like Netlify Hands-on experience working with Public Cloud, preferably AWS (Lambda/Serverless). Familiarity with complex data visualization or workflow-heavy UIs. Experience working on consumer-facing web products at scale. Familiarity with trading card games (TCGs) and tournament formats (e.g., Swiss rounds, decklists, brackets), or a strong interest in competitive gaming, esports. Familiarity with testing frameworks (e.g. JEST, RTL. Playwright) Experience with observability and monitoring tools, preferably Datadog

🏢 Summary: Senior Java Developer role focused on building and maintaining scalable, secure backend systems for a global gaming and lotteries platform. The position involves developing cloud-native applications using Java 17+ and Spring Boot, managing PostgreSQL databases, and deploying containerized solutions with Kubernetes and Helm. 🗂️ Requirements: Strong experience with Java 17+, Hands-on experience with Spring, Spring Boot, Spring Security, Experience with cloud-native application development, Experience with SQL databases and PostgreSQL, Knowledge of Maven and CI/CD pipelines, Proficiency with Git and GitHub, Experience with JUnit, AssertJ, Hamcrest, Experience with Kubernetes and Helm, Knowledge of Docker, Bash/Shell scripting skills, Experience in Agile (Scrum/Kanban) environments, Bachelor's degree in Computer Science or related field 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, PostgreSQL, SQL, Maven, CICD, Git, GitHub, JUnit, AssertJ, Hamcrest, Kubernetes, Helm, Docker, Bash, Shell 🏢 Description: At Pretius , we are looking for Senior Java Developer to a global-scale platform in the field of gaming and lotteries project. Project/Role Design, develop, and maintain robust, configurable backend applications using Java 17+ and Spring Boot to meet diverse customer requirements Ensure efficiency of PostgreSQL databases for scalable solutions Ensure security, scalability, and performance of backend systems Use Bash/Shell scripting for automation and system integration tasks Contribute to application deployment using Docker and Kubernetes, including package management with Helm Requirements Strong experience in backend development with Java 17+ , Spring / Spring Boot / Spring Security , and cloud-native applications Experience with SQL databases , Maven , and CI/CD pipelines Proficiency in Git & GitHub , including pipeline development Experience with testing frameworks such as JUnit, AssertJ, and Hamcrest Experience with Kubernetes and Helm for container orchestration and deployment Knowledge of Bash/Shell scripting for automation and system integration Experience working in Agile environments (Scrum/Kanban) and enterprise settings Strong English communication skills (B2/C1) Ability to lead, mentor, and collaborate effectively in distributed teams Bachelor's degree in Computer Science, Computer Engineering, or similar technical field What do we offer? We focus on long-term relationships based on fair principles and reliability Co-financing of the Multisport card and Medicover private healthcare Modern office available Team bonding activities, internal courses, conferences, certifications

🏢 Summary: Frontend Developer role focused on building and maintaining scalable, high-quality user interfaces using TypeScript and React. The position involves close collaboration with designers, backend developers, and product stakeholders to deliver performant and maintainable user-facing features. The offer includes hybrid work, professional growth opportunities, and a comprehensive social benefits package. 🗂️ Requirements: Extensive experience building large, scalable frontend applications, Strong proficiency in TypeScript, Strong proficiency in React, Solid understanding of frontend architecture, Knowledge of design patterns, Ability to design complex user interfaces, Experience ensuring code scalability and performance optimization 📃 Skills: TypeScript, React, JavaScript, HTML, CSS 🏢 Description: We are looking for a frontend developer who is passionate about designing and building high-quality, intuitive user interfaces. In this role, you will collaborate closely with engineers, designers, and product stakeholders to deliver user-facing features across a range of products and internal tools. We value developers who actively contribute to shaping solutions - thinking through usability, performance, and long-term maintainability. You should feel comfortable discussing ideas, proposing improvements, and helping refine both technical and product decisions. In our company, frontend developers are expected to combine attention to detail, strong collaboration skills, and a proactive mindset. We value people who take ownership of their work, communicate clearly, and continuously look for ways to improve the user experience and the systems behind it. Key Responsibilities: Develop and maintain high-quality frontend applications using TypeScript and React . Design complex user interfaces. Ensure the application’s code is scalable, consistent, maintainable and optimised for performance. Collaborate closely with UX/UI designers Collaborate closely with backend developers and BA/product managers Take ownership of features and technical decisions, diving into details to ensure high-quality results. Requirements: A proactive problem solver and analytical thinker . Keen attention to detail and willingness to dive deep into technical challenges. Extensive experience in building large, consistent, maintainable and scalable frontend applications. Solid understanding of frontend architecture and design patterns. Strong proficiency in TypeScript and React . Additional information: Working for one of the top gambling companies in the world Opportunity to influence the quality of the products, improve process and implement your ideas Social package, including sport compensation & medical insurance Professional growth Free parking space (hybrid type of work- 3 days from the office, 2 days from home) Sport activities, parties, and team buildings

🏢 Summary: Frontend Developer role focused on owning the full frontend experience, building engaging, high-performance, game-like interactions using a modern React stack. The position involves designing polished UI components, implementing real-time features, and optimizing animation and application performance. Strong emphasis on reusable architecture, frontend performance, and iGaming/gaming-driven product experiences. 🗂️ Requirements: Strong experience with React 18 and modern frontend ecosystem, Ability to design UI without predefined mockups or Figma files, Expertise in component architecture and reusable component design, Experience with responsive and mobile-first UI development, Strong skills in complex animations and animation performance optimization, Experience building real-time features with sockets, Ability to manage and optimize frontend state architecture, Experience improving code quality, structure, and performance, Experience with frontend testing practices, iGaming or gaming industry experience 📃 Skills: React, Vite, Redux, ReactRouter, Tailwind, FramerMotion, GSAP, Three.js, ReactThreeFiber, Socket.io, JavaScript, HTML, CSS 🏢 Description: We're looking for a frontend developer who can take full ownership of the frontend experience. You should be able to design polished components, build fast and playful interactions, and turn ideas into highly engaging product moments. Our stack is mainly React 18, Vite, Redux Toolkit, React Router, Tailwind, Framer Motion/GSAP, Three.js/React Three Fiber, socket.io , and a mix of charting, particles, sound, and animation libraries. - You should be strong at component architecture, responsive UI, animation performance, real-time experiences, and building in-house games like our current boxes, battles, dice, race, and jackpot flows. Ideally, you think like both a product designer and frontend engineer: making the app feel exciting, smooth, mobile-friendly, and reliable while owning everything from UI structure to frontend performance. - You could also help improve the codebase by making components more reusable, tightening design consistency, reducing duplicated UI logic, improving animation and bundle performance, adding stronger frontend testing, cleaning up large files, and gradually introducing clearer patterns around state, sockets, forms, and game UI architecture. It's really important that the candidate is a naturally great designer, who can design without references/pre made designs/figmas, along with being a really good animator. IMPORTANT: iGaming/Gaming experience is highly preferred. Do you have iGaming or Gaming experience? Please share it in your application message.

🏢 Summary: Full Stack Engineer role in a financial industry project within an international team, focused on building and maintaining web applications across frontend and backend. The position involves developing React components, implementing backend logic in Java, managing PostgreSQL databases, and working with Azure Functions and CI/CD pipelines. The role emphasizes high code quality and best development practices. 🗂️ Requirements: 4+ years of experience as Full Stack Developer, Strong knowledge of React, Strong knowledge of Java, Strong knowledge of PostgreSQL, Experience with Azure Functions, Experience with CI/CD pipelines, Understanding of Clean Code principles, Experience with testing practices 📃 Skills: React, Java, PostgreSQL, AzureFunctions, CICD, AzureDevOps, GitHubActions, Jenkins, CleanCode, Testing, Microservices 🏢 Description: At Pretius we are looking for FullStack Enigneer to a project in the financial industry, international team. Project / Role Design, develop, and maintain web applications (frontend + backend) Build and enhance components in React Implement backend logic in Java Work with PostgreSQL databases Develop and maintain Azure Functions Contribute to building and maintaining CI/CD pipelines Collaborate with cross-functional teams (developers, QA, architects) Participate in code reviews and ensure high code quality Requirements 4+ years of experience as a Full Stack Developer Strong knowledge of: React, Java, PostgreSQL Experience with: Azure Functions, CI/CD pipelines (e.g., Azure DevOps, GitHub Actions, Jenkins) Understanding of software development best practices (Clean Code, code reviews, testing) Experience working in Agile/Scrum environments Good command of English (min. B2) Nice to have Experience working in cloud environments (Azure) Knowledge of microservices architecture Experience in enterprise-level projects What do we offer? We focus on long-term relationships based on fair principles and reliability Co-financing of the Multisport card and Medicover private healthcare Modern office available Team bonding activities, internal courses, conferences, certifications

🏢 Summary: Senior Frontend Developer role focused on building, maintaining, and optimizing scalable web applications using modern frontend technologies. The position involves designing web architecture, integrating APIs, and supporting CI/CD processes to deliver high-performance user experiences. The role requires strong experience in React-based ecosystems and modern DevOps practices. 🗂️ Requirements: Minimum 5 years of experience in modern frontend technologies, Strong experience with ReactJS and NextJS, Proficiency in HTML, CSS, TypeScript, and JavaScript, Experience designing scalable web architecture, Solid knowledge of REST APIs, Experience with NodeJS and package managers, Experience with CI/CD pipelines and GitHub workflows, Proficient in Git version control, Experience creating technical documentation (e.g., Confluence), English proficiency at B2 level or higher 📃 Skills: ReactJS, NextJS, HTML, CSS, TypeScript, JavaScript, REST, NodeJS, CI/CD, GitHub, Git, Confluence, Azure, GraphQL, HeadlessCMS 🏢 Description: We are seeking a highly skilled and motivated Senior Frontend Developer to join our team. The ideal candidate will have a strong background in front-end coding, troubleshooting, and optimizing web applications. You will play a key role in developing and maintaining high-quality, scalable, and performant web solutions using modern technologies. This position requires a proactive individual with excellent problem-solving skills and a passion for delivering exceptional user experiences. Must-Have Qualifications to be successful for the role: Technical Skills: Develop and maintain web applications using ReactJS / NextJS . Implement responsive designs using HTML, CSS, Typescript, and JavaScript . Create and maintain technical documentation using tools like Confluence. Design and implement scalable web architecture and artifacts. Solid knowledge of REST APIs . Experience with NodeJS and package managers. Utilize DevOps skills, including CI/CD pipelines , GitHub workflows , and actions . Manage version control using GIT effectively. Soft Skills: Strong problem-solving and troubleshooting abilities. Excellent communication and collaboration skills to work effectively in a team environment. Attention to detail and a proactive approach to identifying and resolving issues. Ability to adapt to new technologies and learn quickly. Experience: Minimum 5 years of experience in modern Frontend technologies. English proficiency should be at least B2 level. Nice-to-Have Qualifications: Experience with Azure or other cloud platforms. Experience with GraphQL. Experience with Headless CMS (Content Management System) . Optimize web performance, focusing on Core Web Vitals. Other Details: Work model: 2 days per week in the office and 3 days at home. We offer a flexible work schedule that includes 12 additional Compensation Days besides regular holidays. Note that specific work hours may vary between winter and summer schedules, and the candidate will be required to submit their CV in English.

🏢 Summary: Frontend Developer role focused on designing, developing, testing, deploying, and maintaining React and TypeScript applications used across multiple European markets. The position involves working with modern frontend technologies, integrating with REST/GraphQL APIs, and supporting production systems. The role requires strong software engineering expertise and collaboration within Agile teams. 🗂️ Requirements: 5+ years of production experience with React, Strong proficiency in TypeScript, Strong understanding of software engineering principles, Experience with testing and design systems, Experience with REST APIs, Experience with GraphQL APIs, Familiarity with PostgreSQL or DynamoDB, Computer Science degree, Experience with AI tooling, Experience working in Agile (SCRUM or Kanban) environments 📃 Skills: React, TypeScript, JavaScript, HTML, CSS, Cypress, Playwright, Node.js, REST, GraphQL, AWS, Terraform, PostgreSQL, DynamoDB, Docker, Kubernetes, Jenkins, CircleCI, GitlabCI, Datadog 🏢 Description: About the role You will need to be an expert in frontend development with a thorough understanding of the technologies involved. Strong frontend skills where you can demonstrate your ability to apply these technologies, as well as deploy and maintain them will be crucial to success. Technologies we work with: React, TypeScript, JavaScript, HTML, CSS, Cypress, Playwright, Node.js, REST/GraphQL APIs, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a frontend system written in React & TypeScript Deploying and maintaining frontend / backend applications Maintaining system on production used by consumers from several European countries Debugging issues Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Collaborating with other team members and teams who depend on functionalities that you develop Required qualifications: 5+ years of production software development experience in React Strong understanding of software engineering principles, testing, design systems Solid hands-on experience in TypeScript Know-how of REST/GraphQL APIs Familiarity with DBMS like PostgreSQL, DynamoDB Computer Science degree AI Tooling usage Able to work with Agile methodologies such as SCRUM and/or Kanban Good communication and collaboration skills Self-motivation, proactive attitude Proficiency in English Nice to have: Exposure to backend development (can be in TypeScript) Some experience or interest in developing Cloud and Infrastructure solutions with AWS and CI/CD processes supported by tools like Docker, Kubernetes, Jenkins, Terraform, CircleCI, GitlabCI, Datadog, etc.