Back End Developer - AI Experience

🏢 Summary: Java Backend Engineer role focused on building AI-driven digital products for employees and HR stakeholders. The position covers end-to-end microservice development, testing, deployment, observability, production support, and secure, ethical AI delivery in an agile environment. 🗂️ Requirements: Strong Java and Spring Boot experience, Experience building microservices, Spring Batch and Spring Cloud experience, REST API and GraphQL schema design proficiency, NoSQL data modelling experience, Data streaming experience, OAuth 2.0 and Microsoft Entra ID authentication/authorization experience, Azure Cloud Services experience, English communication skills for cross-functional agile collaboration, Commitment to quality, maintainability, documentation, and continuous learning 📃 Skills: Java, SpringBoot, SpringBatch, SpringCloud, Microservices, REST, GraphQL, NoSQL, CosmosDB, Kafka, OAuth2, EntraID, Azure, AppServices, AzureMonitor, APIManagement, Observability 🏢 Description: Role Summary We are looking for a Java Backend Engineer to design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. Required Skills & Experience Strong experience in Java and Spring Boot, including Spring Batch and Spring Cloud, and building microservices. Proficiency in REST API and GraphQL schema design. Experience with NoSQL data modelling (e.g., Azure Cosmos DB), data streaming (e.g., Confluent Kafka), and authentication/authorization protocols including OAuth 2.0 and Microsoft Entra ID. Familiarity with Azure Cloud Services, including App Services, Azure Monitor, and API-Management. Collaborative communication skills: able to express ideas clearly in English and adapt technical content for diverse audiences while working closely with product managers, designers, and engineers in agile settings. Strong commitment to quality, maintainability, documentation, and continuous learning. Key Responsibilities Design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. Apply modern engineering practices, from analyzing user needs and developing new features to automated testing, deployment, and observability. Ensure quality, security, reliability, and compliance by applying digital principles and implementing functional and non-functional requirements. Build observability into solutions, monitor production health, help resolve incidents, and remediate root causes of risks and issues. Advocate for user and stakeholder needs, ensuring AI solutions are explainable, ethical, and human-centric. Share knowledge openly, contribute to hiring and onboarding, and help shape a collaborative, forward-thinking engineering culture.

🏢 Summary: Backend Engineer role focused on building AI-centric digital products for employees and HR stakeholders. The position involves Java/Spring Boot microservices development, API and cloud integration, production observability, and maintaining secure, reliable solutions in a hybrid Kraków or Wrocław work model. 🗂️ Requirements: Strong Java and Spring Boot experience, Spring Batch and Spring Cloud experience, Microservices development experience, REST API and GraphQL schema design proficiency, NoSQL data modelling experience, Data streaming experience, OAuth 2.0 and Microsoft Entra ID knowledge, Azure Cloud Services familiarity, English communication skills, Agile collaboration experience, Commitment to quality, maintainability and documentation 📃 Skills: Java, SpringBoot, SpringBatch, SpringCloud, Microservices, REST, GraphQL, NoSQL, CosmosDB, Kafka, OAuth2, EntraID, Azure, AppServices, AzureMonitor, APIManagement, Observability, Testing 🏢 Description: Role Summary We are looking for a Backend Engineer to design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. Work Mode Hybrid (2–3 days/week) — Kraków or Wrocław office Primary Skills Java, Spring Boot, microservices, REST APIs Key Responsibilities • Design, develop, and continuously improve intelligent digital products and services that support employees and HR stakeholders, with AI at the core. • Apply modern engineering practices, from analyzing user needs and developing new features to automated testing, deployment, and observability. • Ensure quality, security, reliability, and compliance by applying digital principles and implementing functional and non-functional requirements. • Build observability into solutions, monitor production health, help resolve incidents, and remediate root causes of risks and issues. • Advocate for user and stakeholder needs, ensuring AI solutions are explainable, ethical, and human-centric. • Share knowledge openly, contribute to hiring and onboarding, and help shape a collaborative, forward-thinking engineering culture. Required Skills and Experience • Strong experience in Java and Spring Boot, including Spring Batch and Spring Cloud, and building microservices. • Proficiency in REST API and GraphQL schema design. • Experience with NoSQL data modelling, such as Azure Cosmos DB; data streaming, such as Confluent Kafka; and authentication/authorization protocols, including OAuth 2.0 and Microsoft Entra ID. • Familiarity with Azure Cloud Services, including App Services, Azure Monitor, and API Management. • Collaborative communication skills: able to express ideas clearly in English and adapt technical content for diverse audiences while working closely with product managers, designers, and engineers in agile settings. • Strong commitment to quality, maintainability, documentation, and continuous learning. • AI-related skills, such as Spring AI or LangChain, are a strong plus. Benefits • Stable long-term cooperation with opportunity for extension. • Opportunity to work with modern technologies in an international environment. • Professional growth and continuous development opportunities. • Participation in challenging and impactful projects.

🏢 Summary: Oferta dotyczy rozwoju backendu platformy telemetrycznej opartej na .NET Core i Azure Cloud, przetwarzającej dane flotowe w czasie rzeczywistym. Rola obejmuje tworzenie usług chmurowych i integracji IoT/API, rozwój API, wpływ na architekturę oraz usuwanie błędów, z codziennym wykorzystaniem narzędzi AI. 🗂️ Requirements: Minimum 2 lata komercyjnego doświadczenia w środowisku .NET, Efektywna praca z Claude Code, Cursor i GitHub Copilot, Umiejętność oceny i poprawy kodu generowanego przez AI, Język angielski na poziomie B2 📃 Skills: .NET, C#, Claude, Cursor, Copilot, Azure, TCP/IP, IoT, API 🏢 Description: W związku z dynamicznym rozwojem naszej firmy poszukujemy osoby na stanowisko Backend Developer (.NET/C#) with AI Mindset , dla której narzędzia AI (Claude Code, Cursor, Copilot) są naturalnym elementem codziennej pracy, a nie dodatkiem. Projekt dotyczy prężnie rozwijającej się platformy telemetrycznej , opartej w pełni o .NET Core oraz chmurę Azure Cloud . 🏗️ NAD CZYM PRACUJEMY Nasza platforma pokazuje operatorom flot pełny obraz tego, co dzieje się z ich pojazdami - na żywo i z dowolnego momentu w przeszłości. Brzmi prosto. W praktyce oznacza to strumień danych przychodzący bez przerwy, interfejs mapowy, który musi zostać płynny przy dużej liczbie obiektów, odtwarzanie wideo zsynchronizowane z resztą widoku i aplikację działającą w kilkunastu językach dla organizacji o złożonej strukturze. Druga strona produktu to konfiguracja i zgodność. Setki ustawień na poziomie organizacji, pojazdu, urządzenia i użytkownika, rozbudowany system ról i uprawnień, ślad audytowy każdej zmiany. Projektowanie formularzy, tabel i przepływów konfiguracyjnych to u nas realna praca inżynierska, a nie dodatek. To dojrzały produkt w aktywnym rozwoju. Nie zaczynasz od pustego repo, ale nie wchodzisz też w zamrożony legacy. ⚙️ PLATFORMA POZWOLI CI POZNAĆ Video streaming · Analizę video (AI) · Komunikację TCP/IP (IoT) · Big data · Azure Cloud 🛠️ GŁÓWNE ZADANIA • Tworzenie nowych serwisów procesujących dane w chmurze • Tworzenie integracji z usługami zewnętrznymi (urządzenia IoT / API) • Rozwój platformy po stronie API • Wpływ na architekturę systemu • Bug fixing ✅ WYMAGANIA • Efektywna praca z narzędziami AI ( Claude Code, Cursor, GitHub Copilot ) jako naturalny element workflow - rozumiesz architekturę na tyle, by ocenić i poprawić to, co generuje model • Przynajmniej 2 lata doświadczenia komercyjnego w środowisku .NET • Znajomość języka angielskiego na poziomie B2 (zespół międzynarodowy) 💡 MILE WIDZIANE • Znajomość Git • Znajomość Microsoft Azure • Doświadczenie z tworzeniem i użytkowaniem lokalnych modeli AI • Umiejętność automatyzacji procesów (np. CI/CD, automatyzacja zadań/skryptów) 📩 Chcesz dołączyć do zespołu? Wyślij swoje CV - czekamy na Ciebie!

🏢 Summary: Backend Scala role focused on building, optimizing, and supporting scalable, reliable large-scale services. The offer includes production troubleshooting, cross-functional collaboration, engineering quality improvements, and mentoring, with AI-assisted development experience required. 🗂️ Requirements: 5+ years of commercial Scala backend development experience, Experience building and maintaining scalable backend applications, System performance tuning and optimization experience, Experience using AI-powered coding assistants in software delivery, Complex technical issue analysis and production troubleshooting, Knowledge of backend engineering best practices and software design principles, English proficiency at B2 minimum, Authorization to work in the European Union, Ability to work from the European Union region 📃 Skills: Scala, Claude, Copilot, Cursor 🏢 Description: 🟣 You will be: designing, developing, and enhancing backend services using Scala, optimizing the performance, scalability, and reliability of large-scale applications, investigating, troubleshooting, and resolving complex technical issues affecting production systems, collaborating with cross-functional teams to identify bottlenecks and implement effective solutions, contributing to the continuous improvement of engineering practices and code quality, supporting knowledge sharing and mentoring less experienced engineers. 🟣 Your profile: 5+ years of commercial experience in Scala backend development, strong experience building and maintaining scalable backend applications, solid background in system performance tuning and optimization, practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery, ability to analyze, troubleshoot, and resolve complex technical issues, strong understanding of backend engineering best practices and software design principles, proactive approach to problem-solving and continuous improvement, strong collaboration and communication skills, good command of English (min. B2). 🟣 Nice to have: experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work, interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches. Work from the European Union region and a work permit are required 🟣 Recruitment Process: CV review – HR Interview – Technical Interview - Client Interview – Decision 🎁 Benefits 🎁 ✍ Development: development budgets of up to 6,800 PLN, we fund certifications e.g.: AWS, Azure, access to Udemy, O'Reilly (formerly Safari Books Online) and more, events and technology conferences, technology Guilds, internal training, Xebia Upskill. 🩺 We take care of your health: private medical healthcare, multiSport card - we subsidise a MultiSport card, mental Health Support. 🤸‍♂️ We are flexible: B2B or employment contract, contract for an indefinite period.