181 freelance English-speaking jobs in Poland

We are looking for a Senior Backend Developer to join our Optimization Team at Programmers Force. In this role, you will focus on optimizing backend systems for performance, scalability, and efficiency while working on large-scale, high-traffic workloads. Your responsibilities will include refactoring backend code, improving database queries and indexing, troubleshooting bottlenecks, and collaborating with cross-functional teams to scale backend architecture. You will ensure systems remain secure, reliable, and efficient while mentoring junior team members and enhancing test coverage. The ideal candidate has 4+ years of backend development experience with strong expertise in PHP (Laravel), Node.js, Python, MongoDB, and relational databases (MySQL, PostgreSQL). You should also be proficient in API development (REST/GraphQL), performance optimization, Docker, Git, and CI/CD practices. Experience with Redis, RabbitMQ, AWS/Azure, and backend security best practices will be considered a plus.

an experiencedSAP ABAP Developer(5+ years) to join on aB2B contract/freelance basis. ... Freelance SAP ABAP Developer With OO Programming Experience - Contract, B2B - Start ASAPWe are seeking ... communication skills (written and spoken).Must be based in Poland and available to work on a B2B/freelance ... Independence: Must be able to work autonomously and deliver without supervision.If you are a seasoned freelance

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Freelance Software Developer (Java) - AI Trainer Development Scientist (Associate Director) Business ... - Business Development Manager Freelance Software Developer (Python) - Quality Assurance (AI Trainer ... Development Manager Poland (d/f/m) Senior Frontend Developer - React / React Native Freelance Software ... ) Freelance Software Developer (C#) - AI Trainer Senior Fullstack Developer (Frontend Oriented) Senior ... Developer (C++) - AI Trainer Freelance Software Developer (Python) - AI Trainer Junior Account Manager

DeveloperFuPoland - Hybrid is prefered - full remote can be considered within Poland.Contract Type:Long term Freelance ... a plus but not essential.What We Offer:Competitive daily pay ratesFlexible hybrid workingLong term Freelance

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Preparing end-user manuals Looking for your next freelance project in SAP? Let’s connect! ... consultant (m/f/x) Job Location: Poland (Full Remote) Contract Duration: 6 to 12+ Months Job type: Freelance

Mid/ Senior Presentation Designer Freelance Join to apply for the Mid/ Senior Presentation Designer Freelance

What we need from you: As a Freelance Graphic Designer , your portfolio is a must-see! ... visual trends, understand product design, and want to join a dynamic team, then we have the perfect freelance

We’re now looking for a part-time Freelance Graphic Designer to help visually communicate our work - ... Requirements Proven experience in graphic design (freelance or agency background welcome) Strong portfolio

Job Type: Freelance Location: Remote in Poland Work Schedule: Part-time.

Job Type: Freelance Location: Remote in Poland Work Schedule: Part-time.

About the role This is a B2B/freelance role. ... Practical info: Contract : B2B / freelance Rate : 90 – 150 PLN net / hour (depending on your experience

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eCommerce, and Pharma.As a fully remote company, we welcome talented individuals seeking hourly-based freelance ... 1hReference CheckOfferIf you're seeking a flexible, welcoming, and professional environment, join our freelance

enthusiasm to take on a challenge Benefits Take part in a part-time, remote, freelance project that ... Our freelance role is fully remote so, you just need a laptop, internet connection, time available and

We are looking for: Project Manager (freelance) Your future role: Manage the project effectively and

Join to apply for the Salesforce DevOps (freelance) role at PwC Polska We help our Clients define their ... We are looking for: Salesforce DevOps (freelance) Your future role: Operate, support and improve the

Overview Concept Artist (Mid/Senior) – Remote/Freelance at Beffio Studio - fully remote role. ... This is a remote, permanent/freelance position offering flexibility to work from anywhere alongside talented