13 freelance 2025 English-speaking jobs in Olsztyn

About the Role We are seeking an experienced Data Center Technician for freelance/contract work in Olsztyn ... Engagement Type Contract/Freelance basis Flexible scheduling available Project-based or ongoing support

About the Role We are seeking an experienced Data Center Technician for freelance/contract work in Olsztyn ... Engagement Type Contract/Freelance basis Flexible scheduling available Project-based or ongoing support

Position: Senior Backend Engineer (Java / Architecture) Contract: Freelance / B2B – Remote (EU Only)

Netguru seeks a UX Writer to own the end-to-end content experience for the Courier app. Responsibilities include auditing, rewriting, and creating content that is compliant, consistent, and scalable across multiple markets.

Senior Golang Developer needed for a fully remote 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.

Netguru seeks a freelance Azure Cloud Architect for a project focused on Data Residency and Protection Services. The role requires understanding of Azure cloud infrastructure security, experience in security consulting projects, and knowledge of data security measures. Experience with MS Purview configuration and Data Platforms security is beneficial.

Netguru seeks a Senior UI Designer for a 2-month project (B2B contract, up to 35EUR/hour). Requires senior-level expertise in visual UI design, strong visual design fundamentals, experience with design systems, and the ability to create high-fidelity UI designs. This is a UI-focused role, not UX.

In 2025, SmartRecruiters joined SAP, the global leader in enterprise applications.

In 2025, SmartRecruiters joined SAP, the global leader in enterprise applications.

Planned start: February Freelance assignment : full-time, ~12 months project (with possible prolongation

Senior Backend Kotlin Engineer needed for a client's Search team. Responsibilities include designing, implementing, and optimizing search algorithms. Must have strong backend engineering skills with experience in Kotlin, Go, or Python. Experience with Solr, ElasticSearch, or related search technologies is a plus.

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