Jobs › Companies › Xsolla › Middle/Senior Fullstack Developer

About this Middle/Senior Fullstack Developer role at Xsolla

Xsolla · Onsite · Baku

Responsibilities

  • Develop and maintain robust, high-performance application functionality and services;
  • Design and implement new features that enhance user experience and align with business objectives;
  • Collaborate with product managers, designers, and other developers to deliver efficient, reliable, and scalable software solutions;
  • Proactively identify opportunities to improve existing codebases, architecture, and processes;
  • Conduct code reviews to ensure code quality, maintainability, and adherence to best practices;
  • Contribute innovative ideas and technical insight to improve overall product design and system performance;
  • Write and maintain comprehensive documentation for developed features, APIs, and modules;
  • Participate actively in team development activities, sprint planning, and retrospectives;
  • Ensure code quality through the creation of automated unit, integration, and functional tests;
  • Stay up-to-date with emerging technologies and industry trends relevant to full-stack development.
  • Requirements

  • 3+ years of professional experience in backend development with Node.js (preferably with TypeScript);
  • 2+ years of hands-on experience in frontend development using React.js and related technologies (Redux, Hooks, etc.);
  • Strong understanding of algorithms, data structures, and software design principles;
  • Solid knowledge of object-oriented programming (OOP), design patterns, and modular architecture;
  • Experience with RESTful APIs, GraphQL, or microservice architectures;
  • Familiarity with CI/CD pipelines, containerization (Docker), and version control (Git);
  • Proven ability to write clean, maintainable, and testable code following best engineering practices;
  • Experience with automated testing frameworks (Jest, Mocha, or similar);
  • Excellent collaboration and communication skills in team-based agile environments;
  • Ability to read and understand technical documentation in English;
  • A proactive, problem-solving mindset with a focus on continuous learning and improvement.
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