Middle/Senior Fullstack Developer

Xsolla is an international payment services company, providing game developers and publishers with payment, billing, distribution, and marketing tools. Headquartered in Sherman Oaks, Los Angeles, California.

Location: Baku
Company size: 500–1,000
Posted: Yesterday
Via: Lever

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Job listing · Updated 28 OCT 2026

Middle/Senior Fullstack Developer

Xsolla· BakuView company profile

Job title: Middle/Senior Fullstack Developer
Job location: Baku
Job listing URL: https://jobs.lever.co/xsolla/ac456e6f-7462-4931-ae4f-04f38af18c78
Job description: 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.