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April 24, 2026

Software Engineer (React)

Senior • Hybrid

14,500 - 17,000 PLN/mo

Warsaw, Poland

💰 Salary: 14,500-17,000 PLN/month
🌎 Hybrid from Warsaw, Poland
🕦 Full-time position, long-term
☑️ B2B

We are looking for a Software Engineer to join our client, a technology company that builds AI-powered platforms and consulting solutions for enterprise operations, with a strong focus on the private capital sector. The company has over ten years of experience working with high-growth and PE-backed businesses, combining deep domain expertise with advanced technology to drive measurable results.

Requirements:

  • 6+ years of experience working with JavaScript and TypeScript

  • Solid understanding of design patterns and how to apply them in JavaScript development.

  • Proficiency in a modern front-end JavaScript framework such as React.js with Redux; experience with Next.js is an advantage.

  • Familiarity with functional programming concepts.

  • Strong grasp of asynchronous programming and its best practices.

  • Knowledge of Git and experience with branch management.

  • Experience troubleshooting front-end issues and using relevant debugging tools.

  • Familiarity with creating and integrating custom packages.

  • Good understanding of object-oriented programming principles and their use in JavaScript.

  • Ability to perform effectively under pressure and meet strict deadlines.

  • Practical experience with HTML5 and CSS3.

  • Experience working within Agile development environments and practices.

  • Strong communication and organizational abilities.

  • Skilled in developing cross-browser compatible code.

  • A Bachelor’s degree in Computer Science or a related field is preferred.

Key Responsibilities:

  • Creating and building responsive user interfaces using React.

  • Applying and maintaining test-driven development (TDD) practices along with continuous integration processes.

  • Working closely with a cross-functional team that includes project managers, analysts, and sales representatives to deliver high-quality, interactive products within deadlines.

  • Promoting and implementing best practices in testing, accessibility, and performance optimization.

  • Partnering with design, backend, QA, and product teams to develop reliable, user-focused solutions.