Senior Java Microservices Engineer – Hybrid (Warsaw)

Net2Source (N2S); Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

Net2Source Inc. is seeking a Specialist with 5–7 years of Java experience to design and develop scalable microservices-based applications in Warsaw, Poland. The role requires hands-on Java development, microservices expertise, and collaboration with cross-functional teams.

The position is hybrid (3 days onsite per week) and permanent, located in Warsaw. The candidate should be proficient with Spring, Kafka, Kubernetes, AWS, and gRPC to deliver robust backend services and optimized performance.

Qualifications

• 5–7 years of hands-on Java development experience.
• Strong knowledge of microservices architecture and scalable backend design.
• Experience with Spring/Spring MVC, Kafka, Kubernetes, AWS, and gRPC is preferred.

Responsibilities

• Develop and maintain enterprise Java applications.
• Design microservices architectures for modular, scalable systems.
• Implement robust backend services with Spring framework.
• Collaborate with cross-functional teams to define features.
• Optimize performance and reliability; participate in code reviews and continuous improvement.
• Mentor junior developers and stay updated with emerging technologies.

Skills

Core Java

Multi-threading

Algorithms & Data Structures

Investment Banking (ideally Risk)

Tools

Kafka

Kubernetes

Amazon AWS

gRPC

Spring MVC

Job description

Net2Source Inc. is seeking a Specialist with 5–7 years of Java experience to design and develop scalable microservices-based applications in Warsaw, Poland. The role requires hands-on Java development, microservices expertise, and collaboration with cross-functional teams.

The position is hybrid (3 days onsite per week) and permanent, located in Warsaw. The candidate should be proficient with Spring, Kafka, Kubernetes, AWS, and gRPC to deliver robust backend services and optimized performance.