Backend API Developer – Remote (Poland) (IN/EL/ VL

Dear Consultant,

We are seeking an experienced Backend API Developer to join an ongoing remote project. The ideal candidate will have strong expertise in API development using Java, Node.js, or Python, combined with solid database skills and a working knowledge of modern identity management technologies.Send CV to (marcillina.tietjen@dcvtechnologies.co.uk) if you are interested.

Location: Remote (Poland-based)

Language Requirement: Polish (mandatory)

Contract Type: B2B / Freelance

Start Date: ASAP

Key Responsibilities

• Design and develop new APIs and backend services

• Work with relational databases like MySQL and SQL Server

• Implement best practices around REST APIs, session handling, and user management

• Integrate authentication and authorization flows using Auth0

• Collaborate with teams to enhance identity management solutions

Required Skills

• Proven experience in backend development using Java, Node.js, or Python

• Proficiency in MySQL and SQL Server

• Strong understanding of REST APIs, sessions, and user management principles

• Hands-on experience with Auth0 or similar authentication platforms

• Fluent Polish (mandatory for communication and documentation)

Nice to Have

• Experience with Okta or other enterprise identity platforms