April 8, 2026
Full-Stack / Backend Developer (Java + AWS+ React.js)
Mid • Remote
100 - 160 PLN
Warsaw, Poland
We are looking for an experienced Full-Stack / Backend Developer to join our team and help build scalable applications and APIs supporting our clients’ products. You will work on both backend and frontend solutions, contributing to product development, system improvements, and ongoing platform stability.
Your Responsibilities
Develop new APIs to support client integrations and business features.
Maintain and enhance existing backend and frontend applications.
Fix bugs and improve application performance and reliability.
Upgrade and support operational aspects of the platform.
Identify opportunities to improve product quality, architecture, and development processes.
Collaborate with developers, product teams, and stakeholders to deliver high-quality solutions.
Participate in code reviews and contribute to best engineering practices.
Required Skills
-
Minimum 3 years of commercial experience with:
Java
Spring Boot
AWS
MongoDB
PostgreSQL
React.js
Experience designing and developing REST APIs.
Knowledge of backend architecture and modern web applications.
Experience working with cloud-based environments (AWS).
Understanding of software development best practices and clean code principles.
Ability to work in an Agile development environment.
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