8 freelance English-speaking jobs in Toruń

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.

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Work Mode: On‑Site Employment Type: B2B / Freelance Contract Location: Torun, Poland Job Responsibilities

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.

Freelance Kotlin Developer will design, build, and maintain JVM-based microservices on AWS. Responsibilities include working with a rich data layer, building event-driven integrations, and collaborating on API design. Must-haves include 5 years of backend development experience in Java and/or Kotlin, solid understanding of distributed systems, and production experience with AWS.

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.

Senior Golang Developer needed for fully remote, contract position. Develop and maintain backend services using Go (Golang) in a modern product environment. Collaborate with product managers and designers to build features and ensure code quality.

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.