Praca full stackbackend developer – Warszawa

A software development company is seeking a Middle+/Senior Fullstack Developer (Python+React) to contribute to building innovative solutions. Responsibilities include full-stack feature development, collaborating on UI and backend functionality, and working with data processing. Candidates should have strong experience with Python, React, and database...

Belvedere Recruitment seeks an experienced Full Stack Developer to join their Warsaw-based team on a 2-month contract, hybrid work setup. You will design backend APIs with .NET/C#, and deliver frontend features using React and TypeScript.You’ll model data across SQL/NoSQL databases and ensure secure API design while integrating cloud services. The role...

An international consulting firm is seeking a Senior Full Stack Developer with advanced Python 3 skills and working knowledge of C/C++. You will design high availability software solutions in a hybrid setup in Warsaw. The ideal candidate has at least 5 years of professional experience, substantial exposure to Linux, Docker, and Kubernetes, and a strong...

An international consulting group is looking for a Senior Full Stack Developer to lead the design and implementation of high-availability software solutions in a hybrid role based in Warsaw, Poland. The ideal candidate will have at least 5 years of experience and advanced skills in Python 3, a working knowledge of C/C++, and a strong background in Linux...

JPMorganChase in Warsaw is seeking a Senior Python Full Stack Developer to join their Transformation Team. The candidate will play a crucial role in designing sophisticated automation and analytics solutions while bringing deep technical expertise across Python, JavaScript, SQL, and UI design.In this high-visibility role, responsibilities include developing...

We are seeking a Senior Golang Developer to join a high-impact engineering initiative for a leading global financial services client. In this role, you will help modernize mission-critical infrastructure by replacing legacy platforms with a modern, Go-centric developer ecosystem. This platform covers the full software delivery lifecycle—from version...

Are you ready to join an Agile software development team and take ownership of the quality of the solutions you deliver? Do you want to work on products that make a real difference in the lives of people with hearing loss? Are you interested in solving complex technical problems and using modern technologies, including AI, responsibly? Then you may be the...

We at ein-des-ein help businesses all over the world build innovative digital solutions. Our team is composed of design and development professionals. We are rapidly growing, and now we are looking for a KMP Developer to join a dedicated team. Required Skills: 2+ years of experience building KMP applications. Good knowledge of Compose Multiplatform. Good...

You will take a senior role within our Transformation Team, driving the design and delivery of sophisticated automation and analytics solutions across the Treasury & Execution Middle Office. As Python Full Stack Developer (Treasury Transformation) Senior associate/ Vice President within the Treasury and Execution Middle Office team you will bring deep...

Description Start.io is looking for a driven and commercially sharp Supply Sales Manager to grow our publisher supply base. This is a hunter role focused on bringing new in-app, mobile web, and web publishers onto the Start.io platform — building the supply-side foundation that powers our programmatic ecosystem. About the Role You’ll own the full sales...

A leading technology firm in Warsaw is looking for an experienced Developer to engage in various software development projects. The role involves working in hybrid environments, utilizing skills in Python, Linux, and containerization technologies. The successful candidate will have at least 5 years of experience and strong communication skills in English....

We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we work with full autonomy. We independently choose our technologies, processes, and ways of working while maintaining the highest professional standards.We deliver a wide range of IT projects in Poland and internationally, across multiple domains...

# C Developer**Workplace:** Warsaw**Agreement type:** B2B contract**Working time:** full-time**Working Mode:** hybrid**Specialization:** fullstack**Category:** IT**Level:** Junior**Reference number:** **publication date:** 2026-08-29Technology and language:CSQLRole: C DeveloperLocation: Warsaw/ KrakowContract: B2B ContractHybrid or Remote or Onsite: Hybrid...

A global consulting firm seeks a Senior Full Stack Developer to work in a hybrid setup based in Warsaw, Poland. The role requires a Bachelor's degree in Computer Engineering and a minimum of 5 years of experience. Candidates must have advanced proficiency in Python 3, intermediate knowledge of C/C++, and a strong background in Linux environments and...

Polcode is seeking a strong Mid/Senior Full-Stack Developer (.NET + React) to join an ongoing project for an Israel-based client in the insurance domain. The role covers backend-heavy development, REST APIs, and cloud migration to a SaaS model, with frontend work in React and RTL/Hebrew support as needed.Remote within Poland or in Warszawa office. You will...

DXC Technology Inc. in Poland is seeking a Senior SAP HCM Full-Stack Developer to join their BizDevOps team. The role involves designing, testing, and maintaining SAP HCM systems, focusing on full-stack development using SAPUI5 and JavaScript.Candidates should have at least 5 years of experience in SAP software development, with expertise in OO-ABAP and...

Cubes Tech is seeking a Junior Full Stack Developer in Warsaw to build and evolve full-stack applications using Java, Spring Boot, Angular/React, and Kafka. You will work with Kubernetes and cloud technologies, applying Python where needed, and contribute to RESTful services and secure APIs.The role targets a Junior level with hands-on development experience...

Software Developer Responsibilities Designs and develops the system Optimizes software from performance, security and quality points of view Produces technical documentation Estimates effort and time for development Sets software development standards Propose technical solutions for business needs and technical problems Collects and interprets software...

Senior Mobile Developer — B2B Contract | Warsaw | Start Immediately Full-time In-office Relocation bonus Milestone bonuses Overview We're building a mobile app that talks to real-world access control and operational systems—secure logins, biometrics, BLE-based access, payments, and reporting, all in one platform. We need a hands-on mobile developer to...

Full-time B2B | Remote EU / Poland | Food & Beverage SaaS Context We are an AI-native data and technology partner for private capital and healthcare. Founded in 2010 and headquartered in Warsaw, we work with leading PE firms, VC funds, and healthcare organizations to build proprietary data infrastructure, deploy AI solutions, and drive AI-native...