backend developer

The role is about: We are looking for a Senior Python Backend Developer (Services) to join our engineering team and contribute to the evolution of our service layer architecture. This role is focused on designing and building reliable, scalable microservices while also working with and gradually transforming legacy systems. You will play a key role in...

Developing the backend and mathematical models for Game in the Box solutions, including implementation of game logic, computational systems, and integration with other system components;Maintaining and developing game designs used in projects;Implementing new game-related functionalities;Preparing and executing unit and integration tests;Designing game...

About the Role We are looking for a Backend Developer to join the Supplier onboarding and Quote Management teams and work directly on the computational core of our platform. You will write Python and/or dotnet every day. You will work on an existing Python/C# backend and create new services. You will work on solving real-world business problems, like...

RTB House is a global company that provides state‑of‑the‑art marketing technologies for top brands and agencies worldwide. Its proprietary ad‑buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel. We are...

Pracujemy blisko zespołów IT i biznesu Grupy Pekao, wspierając kluczowe inicjatywy technologiczne. Współpracujemy z doświadczonymi kontraktorami B2B, którym zapewniamy udział w dużych, długofalowych projektach o realnym wpływie na rozwój bankowości w Polsce. U nas ambicja spotyka się z energią do działania, a technologia ma realne znaczenie.W...

Stanowisko: Senior Backend Java DeveloperAs a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are...

Salary: 1000-1300 PLN /day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa (3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you...

PostgreSQL SQL Java CI/CD Spring Boot Spring 20,000 – 26,000 PLN Important: if an employer asks you to log into their system via iCloud or Google, send a code, an SMS or Telegram password, run some code, or install software — refuse. These are signs of fraud. Salary: 1000-1300 PLN /day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa (3 days...

Responsibilities Lead backend development and technical delivery of a cloud-native microservices platform. Design, develop, and maintain scalable backend services using C# and .NET Manage AWS-based infrastructure, including ECS, Lambda, Cognito, and supporting services. Participate in and coordinate vendor transition and knowledge transfer activities. Lead...

Summary: The role of Senior Backend/Fullstack Developer is crucial for the evolution, an enterprise application that aids municipalities in managing waste collection and environmental services. This role focuses on solving complex technical problems and improving existing software rather than just creating new applications. Responsibilities: Develop and...

OverviewRemote, WarsawSoftTeco is a one-stop solution provider of IT services for businesses across all sizes and domains. To achieve flexibility and unmatched quality, our team uses the most modern technologies and adheres to various industry and security standards. We are expanding our team and looking for Middle/Senior PHP Developers who are dedicated to...

Poszukujemy Backend Developera Java, który dołączy do zespołu rozwijającego nowoczesne rozwiązania bankowości cyfrowej. To rola dla osoby, która nie tylko projektuje i rozwija backend, ale również aktywnie uczestniczy w procesie testowania oraz dba o jakość dostarczanego oprogramowania.Jeśli cenisz współpracę w...

dmTECH to ponad 1 400 ekspertek i ekspertów z różnych obszarów technologicznych, którzy każdego dnia tworzą, utrzymują i rozwijają rozwiązania retailTECH dla koncernu dm – jednej z największych europejskich sieci drogerii. Działamy w Niemczech, Austrii i Polsce. Każdego dnia efekty naszej pracy budują doświadczenia klientów, pracowników i...

Ness Solution w Warszawie poszukuje doświadczonego backendowego developera Java / Spring Boot, aby rozwijać nowoczesne rozwiązania dla wiodącego klienta z sektora ubezpieczeń. Dołączysz do zespołu Agile, będziesz projektować i implementować funkcje oraz dbać o wysoką jakość kodu.Wymagamy co najmniej 3 lat praktyki z Java, Spring/Spring Boot,...

Montrose Software in Kraków is seeking a backend engineer to maintain and modernize applications written in C# and .NET. The role involves extending RESTful services, integrating with Python components, and aligning with our AWS-based platform.You will work in a hybrid setup, contributing to robust, secure, and observable systems in a healthcare-oriented...

Wymagane doświadczenie i kwalifikacje: Bardzo dobra znajomość języków: polskiego (minimum poziom C1) i niemieckiego (minimum poziom B2) Wieloletnie doświadczenie w programowaniu w języku Java/Kotlin oraz Spring Doświadczenie w projektowaniu API Znajomość zagadnień związanych z usługami chmurowymi, takimi jak AWS, Azure lub GCP Otwartość na...

Cyfrowy Polsat S.A. dołącza do Działu R&D, aby rozwijać analityczne i backendowe rozwiązania dla lidera rynku telewizji online w Polsce. Praca w zespole programistycznym z code review i metodykami Agile.Zakres obejmuje tworzenie wydajnych systemów do przetwarzania danych, backendowe usługi i pipeline'y, a także współpracę przy architekturze....

🔥Become a Luxoft employee🔥 Our Benefits: 💰Paid Referrals 💻Equipment: laptop and monitor 🩺Private Medical & Dental care & Life Insurance covered 🏋🏽 ♀️ MyBenefit program (sports card, well-being program etc.) 🌎 Internal Mobility program - possibility of rotation between projects, locations, accounts 🎓 LuxTalent platform...

Location: Warsaw (hybrid, 1-5 days/month from the office) Start Date: ASAP / up to 30 days notice period Responsibilities Develop and maintain Java applications in the banking environment. Build integrations and support transaction processing systems. Create and modify database solutions. Develop and execute unit and integration tests. Participate in code...

Rate: max 150 pln/h net + VAT, B2B Location: Hybrid (3 days per week from office Warsaw / Gdańsk) Industry: banking Summary The Backend Java Developer role focuses on enhancing and developing Java-based applications, specifically managing taxation, account management, and investment processing for pension and savings products. The primary goal is to ensure...