backend developer

ELEKS Software Engineering and Development Office is looking for a Middle .NET Developer in Krakow. ABOUT PROJECT We are building a web portal for the automation of insurance processes in the Healthcare domain. ELEKS has been collaborating with the client for more than 5 years. Currently, it is one of the biggest accounts within the Business Unit. The...

Nomtek is seeking a Senior Fullstack Developer (Node.js + React.js) to strengthen our web development practice. This role leans toward backend while leveraging React and Next.js on the frontend, ideally with AWS experience.You’ll build scalable APIs, ensure performance and security, and collaborate across product, design, and QA. You’ll also participate...

AgileEngine, LLC is seeking a Senior Full Stack Engineer to extend an internal developer portal and dashboard, focusing on a Java backend with flexibility for a TypeScript frontend rewrite. You will integrate with Snowflake and various database environments, design RESTful APIs, and ensure code quality through testing and profiling.The role emphasizes...

Job DescriptionWe are seeking an experienced Angular Developer to join our team. The successful candidate will be responsible for developing and maintaining web applications using Angular 11 and above, and related front-end technologies.Main Resposibilities:Design, develop, and maintain responsive web applications using Angular 11 and above, and other...

19,067 – 24,267 PLNWarsaw (Onsite – near Metro Plac Wilsona)••••••••••••••••••• builds and maintains business-critical backend and web systemsfor fintech, payments, and large-scale platforms. We value ownership, strong engineering judgment, and the ability to design solutions, not just implement tickets.Your RoleAs a...

Python Developer93_9031Obowiązki Min. 5 lat doświadczenia w komercyjnym tworzeniu kodu w Python Znajomość FastAPI lub pokrewnych frameworków oraz doświadczenie w projektowaniu nowoczesnych architektur API Biegłość w pracy z relacyjnymi i nierelacyjnymi bazami danych Znajomość tematów związanych z bezpieczeństwem aplikacji oraz...

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi...

Jacobs in Kraków is seeking a Backend Developer to design and implement robust Java-based web applications. You will work across REST services, Spring/Spring Boot, and containerized deployments with Docker and Kubernetes, delivering maintainable, scalable solutions.Collaboration with cross-functional teams, writing tests with JUnit, and upholding code...

Diverse CG Sp. z o.o. Sp.k. is looking for a skilled backend Java developer in Poland. The role involves designing and building a platform for the STP Lending Manager application, focusing on clean, maintainable code with Java and Spring Boot. Candidates should have over 8 years of experience and strong communication skills in English. The position offers...

OneAPPS Consulting (www.oneapps.com) is a Technology consulting firm based out of London and offices across Europe. We are working on various projects involving diverse, multicultural teams with clients across the Europe. We are an invaluable partner and our teams have collaborated to support the growth of our clients. With more than 7 locations worldwide we...

Fullstack DeveloperZakres obowiązków:Projektowanie i rozwój aplikacji webowych w technologii React, ze szczególnym uwzględnieniem interfejsów konwersacyjnych (chat), obsługi historii rozmów, prezentacji źródeł i uzasadnień odpowiedzi oraz mechanizmów zbierania informacji zwrotnej od użytkownikówTworzenie i rozwój usług backendowych w Java,...

SKELAR, a venture builder in Poland, is seeking a Middle Node.js Developer for its partner company Duomo. You will design and scale backend services, automate marketing tech workflows, and improve observability and reliability across the stack.Ideal candidates bring 2+ years in Node.js with TypeScript and NestJS, PostgreSQL with a typed ORM, Redis and...

Proxify is seeking a Senior Backend Rust Developer in Poland to architect and build high-performance services for client teams. The role involves leading the transition from legacy systems to Rust microservices, focusing on performance, memory safety, and implementing distributed systems. Ideal candidates will possess strong experiences in Rust and its...

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure...

We are AIDA, a recruitment technology-based employee search. For our client, we are looking for a Senior Python Backend Developer. Join a dynamic, international team working on digital platforms that help users collect, process, and visualize data. You will build robust backend microservices and maintain software systems while collaborating with...

Software Developer (Java & Angular) We are looking for an experienced developer with strong expertise in backend or frontend development and a solid understanding of the full stack to build reliable, high-quality software solutions. - Experience: 5+ years of commercial experience in either backend or frontend, with solid exposure to the complementary...

Software Developer (Java & Angular) We are looking for an experienced developer with strong expertise in backend or frontend development and a solid understanding of the full stack to build reliable, high-quality software solutions. - Experience: 5+ years of commercial experience in either backend or frontend, with solid exposure to the complementary...

Senior Flutter Developer Lokalizacja: Wrocław Tryb pracy: hybryda Forma współpracy: B2B (contracting) Stawka: 120–145 PLN/h netto VAT O projekcie Dołącz do zespołu R&D rozwijającego nowoczesną platformę mobilną wspierającą serwisowanie inteligentnych urządzeń IoT. Celem projektu jest zastąpienie wielu rozproszonych aplikacji jednym, wydajnym...

Must have Min. 2-3 lata doświadczenia komercyjnego jako Fullstack Developer Java oraz Spring Framework / Spring Boot Angular, TypeScript, RxJS, HTML, CSS Doświadczenie z Web Components i Module Federation Tworzenie i rozwój API REST Relacyjne bazy danych oraz SQL Docker, Kubernetes i Linux Tworzenie testów backendowych i frontendowych Git, code review...

Overview Accenture is a leading global professional services company that helps businesses, governments and other organizations build a digital core, optimize operations, accelerate revenue growth and enhance citizen services. We offer solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Accenture...