Senior Java Developer

HAYS POLAND Sp. z o.o.

Data publikacji: 26.02.2026 Oferta wygasa: 27.05.2026

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Senior Java Developer

lokalizacja: Polska

numer referencyjny: 1198213/praktykipl

The client is one of the largest global organizations providing consulting, auditing, tax, legal, and technology services.

Basic information: 
Location: 100% remote
Rate: PLN 100-155/hour net + VAT
Type of employment: B2B contract
Duration: 12 months + extensions
Recruitment process: 2 stages
English: B2/B2+
Luxmed, MultiSport, equipment provided by the client

Technologies:
- Java, Spring Boot
- Microservices architecture
- Azure (Event Hub) or Kafka
- Containerization (Docker/Kubernetes)
- GraphQL (nice to have)

Required Skills
- 4 years of experience
- Strong knowledge of Java and Spring Boot
- Experience building and maintaining microservices architectures
- Familiarity with Azure and containerized environments (Docker/Kubernetes)
- Experience with Azure Event Hub and/or Kafka
- Ability to work effectively in international, cross-timezone teams

Nice to Have
- Blockchain experience (especially stablecoins)
- Experience in the Financial Services / Banking sector
- GraphQL knowledge

Project Overview You will join a team developing a pilot for a new product enabling money transfers between financial institutions via stablecoin (blockchain). The goal is to deliver a production-grade, scalable application powering an innovative financial solution.

Responsibilities
 • Design and development of microservices using Java and Spring Boot
 • Building and maintaining integrations based on Azure Event Hub or Kafka
 • Implementing and maintaining APIs including GraphQL
 • Collaboration with distributed teams across the US and India
 • Ensuring performance, security, and production readiness of the application
 • Participating in architectural decisions and solving technical challenges

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.

hays.pl

Hays Poland sp. z o.o. jest agencją zatrudnienia nr 361