# Middle/Senior Fullstack Developer at Xsolla

Middle/Senior Fullstack Developer at Xsolla in Baku. On-site, full-time. Posted October 28, 2026.

- Company: Xsolla
- Location: Baku
- Workplace: On-site
- Job type: Full-time
- Experience: 3+ years
- Posted: 2026-10-28
- Apply: https://jobs.lever.co/xsolla/ac456e6f-7462-4931-ae4f-04f38af18c78/apply
- Source: https://jobmagic.ai/jobs/middlesenior-fullstack-developer-xsolla-f47tfz

## 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.

## 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.