222 freelance English-speaking jobs in Warsaw

At Blazity, we are a team of and experts focused on creating API-first products. We build long-term partnerships with our clients, serving as their trusted development partners. Our work involves optimizing apps, stores, and websites, implementing new features, and automating workflows to deliver outstanding results. Looking for your next adventure?

TFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full service-capabilities, resourcing and Functional Service (FSP) solutions.

We're building a curated network of talented freelance Graphic Designers that we can call upon for

Join to apply for the AI Engineer (freelance) role at PwC Polska We help our Clients define their transformation ... We are looking for: AI Engineer (freelance) We are developing an advanced tourism platform that utilizes

Poland, Candidate should be open for travel occasionally like, Training, UAT, Hyper care.Type: B2B / Freelance

Summary Description: --- Freelance SAP TM/ABAP resource for new development work in relation to Idocs

Nice-to-have Web3 frontend experience (wallet integrations, onchain data) GraphQL knowledge Rates (B2B/Freelance

We're building a curated network of talented freelance Camera Operators that we can call upon for

Business Development Manager to grow Devoted Fusion - our platform connecting game studios with top freelance ... and marketing tools and techniques Familiarity with creative production pipelines, outsourcing, or freelance

We're building a curated network of talented freelance IT Project Managers that we can call upon

Wilsona, Warsaw Nice-to-have ZK proofs, cross-chain integrations Security audit experience Rates (B2B/Freelance

Overview At Netguru, we're all about helping innovators and entrepreneurs shape the world through beautiful software. That is our mission. With employees from 15+ different countries, we've worked with over 800 clients from more than 50 countries. To name some of them: OLX Motors Europe, UBS, Careem.

We are a Certified B Corporation committed to an inclusive environment and sustainability. We work with clients worldwide and offer opportunities to collaborate as a Netguru freelancer. Area of Work Existing product - new features development; Refactoring (old code). Tasks & Responsibilities Backend: Extend a single, existing macroservice API (Node.

Join to apply for the Freelance Anti-Fraud Project Manager role at Toloka At Toloka AI we create data

We are seeking an experienced Senior Backend Developer to join a project focused on enhancing the main POS API used for order transmission from interactive partners. The primary responsibility will be extending and maintaining existing functionalities. The role requires a high degree of independence, with support provided through onboarding and pull request reviews by assigned team members.

We are a Certified B Corporation, dedicated to inclusivity and sustainability. How freelancing works at Netguru? As a Netguru freelancer, you choose when, where, and how you work on projects. We match you with work that fits your skills, across different industries and companies, with opportunities for long-term collaboration and team integration.

At Netguru, we're all about helping innovators and entrepreneurs shape the world through beautiful software. That is our mission. With employees from 15+ different countries, we've worked with over 800 clients from more than 50 countries. To name some of them: OLX Motors Europe, UBS, Careem.

At VML, we are a beacon of innovation and growth in an ever-evolving world. Our heritage is built upon a century of combined expertise, where creativity meets technology, and diverse perspectives ignite inspiration. With the merger of VMLY&R and Wunderman Thompson, we have forged a new path as a growth partner that is part creative agency, part consultancy, and part technology powerhouse.

At Netguru, we're all about helping innovators and entrepreneurs shape the world through beautiful software. That is our mission. With employees from 15+ different countries, we've worked with over 800 clients from more than 50 countries. To name some of them: OLX Motors Europe, UBS, Careem.

Job Context: As a Freelance Marketing Project Manager , you will be responsible for planning, managing