Inżynier ds. oprogramowania

Senior Backend Engineer

20200-23500 PLN miesięcznie (B2B)

Infolet

Czym będziesz się zajmować?

PROJECT

Join the Next Generation System Management (NGSM) team developing a modern network management platform for mission-critical radio systems.

As a Senior Backend Engineer, you will design and develop scalable backend services and microservices, contribute to architectural decisions, and ensure high performance, reliability, and maintainability of distributed systems.

YOU WILL

• Design, develop, and maintain backend services and microservices using Java 21+ and Spring
• Contribute to architecture and technical design decisions for distributed systems
• Build and orchestrate microservices running in Kubernetes and cloud environments
• Develop event-driven solutions using Kafka and Azure Event Hubs
• Design, manage, and optimise PostgreSQL databases
• Improve application performance, scalability, reliability, and resource utilisation
• Troubleshoot complex backend, networking, performance, and orchestration issues
• Work with Azure, Kubernetes, Linux, Git, and GitHub
• Use GitHub Copilot and Google Gemini as part of the daily software development workflow
• Maintain high standards of clean code, testing, and software engineering practices
• Participate in technical discussions, code reviews, and architectural improvements
• Collaborate with other engineers in an Agile environment

Kogo poszukujemy?

MUST HAVE

• Strong commercial experience with Java, preferably Java 21+
• Very good knowledge of Spring / Spring Boot
• Strong understanding of OOP, clean code, and software engineering principles
• Experience designing and developing microservices and distributed systems
• Experience with Kubernetes
• Experience with cloud platforms, preferably Microsoft Azure
• Hands-on experience with messaging technologies such as Kafka and/or Azure Event Hubs
• Strong knowledge of PostgreSQL, including database design and optimisation
• Experience with performance tuning and optimisation of backend services
• Good knowledge of Git and GitHub
• Practical knowledge of Linux and scripting/automation
• Understanding of networking fundamentals, including protocols, routing, and network services
• Experience using generative AI tools such as GitHub Copilot or Google Gemini in software development
• Very good troubleshooting and analytical skills
• English allowing effective communication in an international engineering environment

NICE TO HAVE

• Experience working with mission-critical or high-availability systems
• Hands-on experience with lab environments, including system configuration, installations, upgrades, and manual testing
• Experience working as an external contractor or consultant within Agile engineering teams

Czego wymagamy?

Znajomości:

• Java
• Spring Boot
• OOP
• Kubernetes
• Azure
• Kafka
• PostgreSQL
• Git
• GitHub

Języki:

• Polski
• Angielski

Jakie warunki i benefity otrzymasz?

• 120-140 PLN godzinowo (B2B)
• B2B - Elastyczne godziny pracy (100%)
• 14400-16800 PLN miesięcznie (Umowa o pracę)
• Umowa o pracę - Elastyczne godziny pracy (100%)
• Praca zdalna: Hybrydowo
• Szkolenia wewnętrzne
• Pakiet medyczny, Ubezpieczenie, Pakiet sportowy
• Kawa / Herbata
• Parking rowerowy
• Pakiet relokacyjny

Gdzie będziesz pracował?

Miłkowskiego, Kraków lub hybrydowo

Kim jesteśmy?

Od 20 lat wspieramy liderów IT, dostarczając technologie, ekspertów i pełne wsparcie operacyjne - w tym legalizację pobytu i pracy międzynarodowych specjalistów IT Do naszych projektów poszukujemy specjalistów Java, JavaScript, C embedded, C++, PHP, specjalistów od mobile, testerów oprogramowania, administratorów sieci i systemów i wielu innych.