4 freelance English-speaking jobs in Kuyavian-Pomeranian Voivodeship

Freelance Kotlin Developer to design, build, and maintain JVM-based microservices on AWS. Experience with distributed systems, AWS (ECS, Lambda, S3, RDS or DynamoDB), Docker, and CI/CD pipelines required. Strong understanding of microservice patterns and event-driven architecture.

Mid-level Java Developer to support development of a SaaS platform. Responsibilities include development work, assisting client developers, and resolving critical issues. Requires 2-4 years of Java backend experience, Spring Boot, RESTful API design, and SQL. Must be comfortable working independently during off-standard hours and communicating in English.

Azure Cloud Architect needed for a full-time remote position. Design and implement Azure-based cloud infrastructure for a microservices architecture. Experience with Azure Active Directory, Azure Functions, Azure SQL, Cosmos DB, API Management, and Azure Messaging required.

Senior Backend Engineer needed for remote contract role (EU only). Design, build, and maintain scalable backend systems, APIs, and ETL pipelines. Strong Java, database, and cloud platform experience required.