senior software engineer java kotlin

About the job: At Allegro, we operate at a massive scale where performance and reliability are paramount. Within the Razor team, we maintain the critical backend infrastructure for the entire checkout and purchase path. Our service acts as the central hub, providing essential offer data to nearly 60 critical services - including Show Product, Listings, and...

Join the API Management team! You will have the opportunity to build tools that protect our platform's API. The team collaborates closely with Data Scientists and ML Engineers to automate key processes and decision-making. You can expect high-performance technical challenges, an emphasis on engineering best practices, continuous opportunities to expand your...

We are looking for people with: - Commercial experience: 5 years of experience in building and maintaining complex, high-scalability systems. - Strong technical foundation: Proficiency in Java (primary) and Kotlin, with a focus on reactive programming. - Advanced database skills (nice to have): Hands-on experience and advanced knowledge of MongoDB. -...

Company Description With over 25 years’ experience, plus the same enormous passion and ambition we had on day‑one, we’re trailblazers in the pet e‑commerce industry. Our solutions make over 12 million customers genuinely happier – and that’s something we really care about. We work together to continually adapt; embracing change and the challenges...

About the job: At Allegro, we operate at a massive scale where performance and reliability are paramount. Within the Razor team, we maintain the critical backend infrastructure for the entire checkout and purchase path. Our service acts as the central hub, providing essential offer data to nearly 60 critical services - including Show Product, Listings, and...

On behalf of our client, we are looking for a Senior Software Development Engineer to join the Demo Platform team. This team builds and operates the global services and UIs powering presales demos, enabling solution consultants to easily scale customer experiences. Operating like a fast-paced product team, they collaborate across EMEA and North America. They...

Cześć! Poznaj możliwości współpracy ze Scalo! W Scalo zajmujemy się dostarczaniem projektów software'owych i wspieraniem naszych partnerów w rozwijaniu ich biznesu. Tworzymy oprogramowanie, które umożliwia ludziom dokonywanie zmian, działanie w szybszym tempie oraz osiąganie lepszych rezultatów. Wykorzystujemy szerokie spektrum usług IT, aby...

Cześć! Poznaj możliwości współpracy ze Scalo! W Scalo zajmujemy się dostarczaniem projektów software'owych i wspieraniem naszych partnerów w rozwijaniu ich biznesu. Tworzymy oprogramowanie, które umożliwia ludziom dokonywanie zmian, działanie w szybszym tempie oraz osiąganie lepszych rezultatów. Wykorzystujemy szerokie spektrum usług IT, aby...

Cześć! Poznaj możliwości współpracy ze Scalo!Zakres współpracy obejmuje:rozwój i utrzymanie backendowych systemów dla projektu z branży fintech/ digital investments,projektowanie oraz rozwój mikroserwisów z wykorzystaniem Java 21/ Kotlin i Spring,tworzenie i rozwój bezpiecznych rozwiązań wspierających procesy uwierzytelniania, KYC,...

Hello World! We are The Codest - International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our...

Hello World! We are The Codest - International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our...

Backend Software Engineer (Java and Kotlin) Poland Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions. We specialize in Artificial Intelligence, Data...

Software Engineer (Full Stack / Microfrontends / Java / Kotlin)Poszukujemy doświadczonego Software Engineera (Full Stack) do zespołu deweloperskiego. Praca przy nowoczesnych, skalowalnych aplikacjach, mikrofrontendach i mikrousługach; wykorzystanie narzędzi wspomaganych AI.Warunki zaangażowania:Obszar: Consulting ITLokalizacja: 100% zdalnieDelegacje:...

Kompetencje wymagane do realizacji usług: - minimum 6lat doświadczenia w realizacji projektów backendowych lub integracyjnych, - bardzo dobra znajomość Java i/lub Kotlin , - praktyczne doświadczenie z Spring Boot oraz Maven , - doświadczenie w projektowaniu, rozwijaniu i integracji REST API , - doświadczenie w realizacji rozwiązań opartych o...

Allegro is seeking a Software/DevOps Engineer to join a DevEx-driven team. You will work at the intersection of software engineering and infrastructure, ensuring fast, reliable, and scalable SDLC processes.The role involves managing a self-hosted runners cluster, Github Enterprise, and building tools that define how we build and release code for Java/Kotlin...

Allegro’s development teams boast more than 1700 IT experts solving problems at a unique scale and complexity. However, if you join us, you’ll be joining a specific team that operates like a small, agile startup within our large organization. Our team is strongly Developer Experience (DevEx) driven, focusing on the core tools and components that powers...

Modern Tech Stack: Work with a world-class, cloud-native environment. Our core technologies include Kotlin, Spring, Kafka, and Kubernetes. We're not shy when it comes to ML too.True Ownership & Autonomy: We live by a \"you build it, you run it\" philosophy. You'll join an agile, autonomous team with full ownership of your microservices, from design to...

About the job: Massive Scale: Design, build, and optimize systems that handle a huge distributed scale of ~120 million offer events daily. You will be working on one of the largest services at Allegro. Applied AI & Machine Learning: Move beyond simple chatbots. You will work with real AI use cases, integrating ML models and AI agents to analyze images (e.g.,...

Location:Warszawa, PL, 00-841 Team: Technology Contract Type: Employee About the job: Massive Scale: Design, build, and optimize systems that handle a huge distributed scale of ~120 million offer events daily. You will be working on one of the largest services at Allegro. Applied AI & Machine Learning: Move beyond simple chatbots. You will work with real AI...

Cześć! Poznaj możliwości współpracy ze Scalo! W Scalo zajmujemy się dostarczaniem projektów software'owych i wspieraniem naszych partnerów w rozwijaniu ich biznesu. Tworzymy oprogramowanie, które umożliwia ludziom dokonywanie zmian, działanie w szybszym tempie oraz osiąganie lepszych rezultatów. Wykorzystujemy szerokie spektrum usług IT, aby...