backend developer

Minimum 5 lat doświadczenia w tworzeniu aplikacji mobilnych, w tym co najmniej 3 lata komercyjnej pracy z Flutterem i Dartem. Bardzo dobra znajomość Flutter Framework oraz języka Dart. Znajomość cyklu życia widgetów oraz mechanizmów renderowania Fluttera. Doświadczenie w tworzeniu aplikacji na Android i iOS z jednej bazy kodu. Bardzo dobra...

Sii Poland is seeking an experienced Senior Java Developer to join a team building a modern enterprise data integration and processing platform supporting global logistics.You will design and implement scalable backend services, microservices, and event-driven integrations using Java, Spring Boot, and Kafka; modernize legacy apps; participate in architecture...

Sii Poland is seeking an experienced Senior Java Developer to help build an enterprise data integration and processing platform. You will focus on scalable backend services, microservices, and event-driven integrations in a global environment.Responsibilities include designing and implementing data processing solutions, modernizing legacy apps, and...

Talanto is seeking a Java Backend Developer with strong Azure experience to design, develop, and continually improve intelligent HR-focused digital products. You will work on Java, Spring Boot, microservices, REST APIs, and GraphQL, while leveraging Azure services and AI concepts in a collaborative agile environment.The role emphasizes quality,...

A global marketing technology company seeks a Backend Python Developer in Poland to design and maintain applications for ad campaigns. The role involves collaborating with teams, implementing services, and ensuring code quality. Candidates should have solid experience in Python, relational databases, and good problem-solving skills. The company offers...

Wspólnie z naszym Partnerem, liderem w branży ubezpieczeniowej, poszukujemy doświadczonego/ej specjalisty/ki do realizacji projektów jako Fullstack Developer (Java Angular). Będziesz świadczyć usługi w projekcie, który obejmuje rozwój systemów do zgłaszania i obsługi szkód dla instytucji z sektora ubezpieczeniowego. Praca obejmuje rozwój...

Poszukujemy doświadczonego Data Platform Developer (Kafka), który dołączy do zespołu odpowiedzialnego za rozwój nowoczesnej platformy danych opartej na architekturze event-driven. Poszukujemy osoby, która posiada praktyczne doświadczenie w budowie i rozwoju rozwiązań opartych na Apache Kafka, potrafi projektować skalowalne usługi w środowisku...

Lead Full-stack Developer We are looking for a Tech Lead Full-stack Developer At TechnipFMC, we are at the forefront of creating innovative technology solutions in the energy sector. Our mission is to craft sustainable, efficient technologies, driving progress in a fast-paced industry. We are excited to announce an opening for a Tech Leade Full-Stack...

Our client, a growing mobile-gaming studio is looking for a Senior .NET Backend Developer to join their team and help build a new Puzzle RPG - part of a larger, high-ambition project based on a major IP. You'll have a central role in shaping backend architecture, ensuring performance and reliability, and enabling the team to deliver a high-quality mobile...

At Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life Sciences, and...

At Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life Sciences, and...

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. Role: Flutter Developer for flagship project Happy Color and new projects. Key responsibilities: Develop and maintain high-quality Flutter applications with focus...

SPEEDNET | We build software for the banking, finance and insurance industry. Jesteśmy z Gdańska i... robimy software. Nasz zespół tworzy ponad 230 programistów specjalizujących się w aplikacjach webowych i mobilnych. Jesteśmy zaufanym partnerem dla kilkudziesięciu klientów, których od ponad 24 lat wspieramy w dostarczaniu złożonych rozwiązań...

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. Role: Flutter Developer for flagship project Happy Color and new projects. Key responsibilities: Develop and maintain high-quality Flutter applications with focus...

We are looking for a Smart Contract Developer to design, develop, test, and support secure Solidity smart contracts for Unified Comms. The successful candidate will take responsibility for smart-contract architecture, testing, security, deployment, documentation, and collaboration with Web3 frontend and backend developers. This role requires strong Solidity...

Software International (SI) supplies technical talent to a variety of clients ranging from Fortune 100/500/1000 companies to small and mid-sized organizations in Canada/US. We are currently looking for a Senior Developer - PHP Architecture for our web development and new media marketing client that primarily supports North American clients on various...

AmRest Holdings SE in Gdańsk is seeking an experienced PHP Developer to join a cross-functional SAFe team responsible for backend services and API design for our call center support systems. The role focuses on building scalable PHP backends, ensuring high performance and reliable integration with other components.You will work with Product Owner, frontend...

GFT Poland is seeking an experienced backend developer to design, implement, and maintain scalable .NET/C# services in modern distributed environments. You will work in Agile teams, taking ownership from analysis to deployment and operational support, collaborating with architects, DevOps, and QA to ensure high-quality systems.The role requires strong...

Expereo International is looking for a Backend Developer in Katowice to enhance their Supplier onboarding and Quote Management teams. You will work daily with Python and C# to build services and solve real-world challenges like optimization and partner integrations. Responsibilities include implementing business logic, designing APIs, and maintaining code...

DCG Poland is seeking a skilled Software Developer to focus on backend and integration solutions in Gdynia, Poland. Responsibilities include building microservices, integrating APIs, and collaborating in an agile team. Candidates should have at least 5 years of experience, strong Java skills, and familiarity with various tools including Spring Boot and...