2139 backend developer English-speaking jobs in Warsaw

Backend, Mobile, DevOps, Test Automation and System Engineers, Product Owners, Scrum Masters We focus

Backend, Mobile, DevOps, Test Automation and System Engineers, Product Owners, Scrum Masters We focus

The Backend department uses modern and innovative technologies to create our world-leading cybersecurity

Exposure to Next.js, Node.js, or similar backend frameworks is a plus.

Requirements: 3+ years of experience building backend services in Java/Kotlin, with a willingness to

Qualifications 6+ years of backend development experience.

algorithms, all built on a foundation of modern application development across diverse frontend and backend

you should know: The team consists of less than 15 people, including an architect, project manager, backend

Our capabilities span data science, UX design, business intelligence, data engineering, frontend & backend

Qualifications Proficiency in C# backend development (ASP.NET Core, .NET 6+, primarily .NET 8).

Work with Node.js, JavaScript, and TypeScript (mainly backend but with some frontend too).

Backend knowledge, mainly API oriented (REST, GraphQL) is a must.

to team knowledge-sharing and Cloudfide’s engineering culture Key responsibilities Deliver scalable backend

Warsaw, Mazowieckie, Poland PLN10,000.00-PLN15,000.00 2 days ago Freelance GenAI Developer - Prompt &

gateways, acquirers, card schemes, and merchant needs Proficiency with tools like Postman and browser developer

3 days ago Be among the first 25 applicants Direct message the job poster from FRISTA Location: Warsaw (1 day/week onsite, 4 days remote) Are you passionate about designing scalable business applications using Microsoft Power Platform? Do you want to take ownership of solution architecture, work closely with business stakeholders, and drive innovation in low-code development?

We are a team of 80 Neustarkers, working across borders with energy, passion, and focus. We are scaling our solutions and impact daily, already storing CO2 regularly. Speed, pragmatism, and growth—together and having fun—drive us. If you want to help us grow our impact, join our carbon removal mission today.

Sanoma Learning’s NPM train is on the lookout for a FrontEnd developer to join our vibrant, international ... As a FrontEnd developer, you’ll play a pivotal role in the successful delivery of our platform for primary

Responsibilities: Apply data engineering practices and standards to develop robust and maintainable data pipelines. Analyze and organize raw data ingestion pipelines. Evaluate business needs and objectives. Support senior business stakeholders in defining new data product use cases and their value. Take ownership of data product pipelines and their maintenance.

Social network you want to login/join with: The Quantitative Development team works directly with quantitative researchers to design, implement, deploy and use software for research and trading. As part of the technology team, the team follows modern software development principles and works with peers in technology to mature and evolve these tools for wider use.