Frontend Developer building intuitive and seamless cross - platform sports betting applications at iGaming startup. Focusing on coding, debugging, and enhancing user experience in Lisbon.
About the role
- Senior Frontend Engineer at Xsolla, creating scalable web interfaces with React and TypeScript. Collaborating with cross-functional teams to enhance gaming commerce solutions.
Responsibilities
- Design, develop, and maintain modern, scalable, and responsive web interfaces using React and TypeScript.
- Translate product designs and user stories into high-quality, functional UI components.
- Optimize performance for speed and scalability across browsers and devices.
- Refactor legacy code to align with current best practices and architectural patterns.
- Write clean, maintainable, and testable code using modern frontend tooling.
- Implement effective state management strategies and integrate with REST/GraphQL APIs.
- Participate in and lead frontend design reviews and architecture discussions.
- Collaborate closely with product managers, designers, and backend engineers to deliver features end-to-end.
- Contribute to planning, estimation, and delivery tracking of new features and technical improvements.
- Identify and resolve performance bottlenecks, UI bugs, and UX inconsistencies.
- Mentor peers, provide constructive code reviews, and foster a culture of continuous improvement.
Requirements
- 6+ years of professional experience in software development.
- 4+ years of hands-on experience with React (and ideally TypeScript).
- Deep knowledge of JavaScript/ES6+, HTML5, CSS3, and Web APIs.
- Experience with responsive design systems and CSS-in-JS (e.g., Tailwind).
- Familiarity with REST/GraphQL APIs, WebSockets, and real-time data handling.
- Comfortable working with Git, CI/CD pipelines, and agile collaboration tools.
- Exposure to testing frameworks such as Jest or Cypress.
Benefits
- Xsolla takes your privacy seriously and will not sell or externally distribute any personal data received during the hiring process.
- Explore more opportunities at: https://xsolla.com/careers
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
Front - end Developer creating and maintaining web applications using React and Next.js at IntellectEU. Collaborating with QA engineers and architecture teams in a hybrid work environment.
Frontend Software Engineer leading the transition to modern Angular architecture for cloud - based solutions. Collaborating with teams to deliver secure, user - focused applications in a rapidly evolving environment.
Front End Developer implementing dashboards and data visualizations for government supply chain decision - making. Working under architectural governance to create actionable user interfaces.
Collaborating with technology team to assess user needs and resolve issues. Direct communication with candidates for humanized service and KPI management.
Software Developer focusing on user needs and technology team collaboration at a startup. Creating and managing quality KPIs for service efficiency.
Front - End Developer designing web applications to enhance flexible working at OfficeRnD. Collaborating with stakeholders to innovate and implement user - centric features.
Senior Frontend Developer creating high - performance user interfaces for Vivo. Responsible for defining application architecture and mentoring junior developers in an agile setting.
Staff Frontend Engineer for AI Copilot focusing on developing and delivering AI - enhanced customer service solutions. Collaborating across teams to build accessible and performant user interfaces with a focus on TypeScript and React.
Front - End Software Engineer developing KinaTrax data visualization tools for sports teams. Collaborating with product development team to enhance athlete performance data solutions.