Senior/Expert Java developer

b2bnetwork; Warszawa; On-site; PLN 90,000 - 130,000; Full time

Job summary

b2bnetwork in Warszawa is seeking a senior Java developer for embedded banking services in the Payments domain. You will join a newly formed Scrum team with experienced colleagues to design and implement robust services end-to-end.

Bring at least 6 years of Java experience, strong Spring and microservices skills, and fluency in English. Proficiency with databases (PostgreSQL/Db2), Docker/Kubernetes, and CI/CD tooling is highly valued.

Qualifications

• At least 6 years of experience in Java software development.
• Hands-on experience with the Spring Framework, Spring Boot, and relational databases (PostgreSQL and/or Db2).
• Hands-on experience developing microservices.
• Experience using AI-assisted development tools (e.g., GitHub Copilot).
• Experience building distributed, highly available, and high-throughput applications.
• Nice to have knowledge of Kafka, CI/CD pipelines, Jenkins, Docker, Kubernetes, REST APIs, Maven and JUnit
• Fluent in spoken and written English.

Responsibilities

• Developing new services and solutions in client's Embedded Banking Service Domain (Payments Service Area).
• Being part of newly created Scrum team with experienced colleagues.

Skills

Java

Spring Framework

Spring Boot

Microservices

English

AI-assisted tools

Distributed systems

REST APIs

Docker

Kubernetes

Tools

PostgreSQL

Db2

GitHub Copilot

Jenkins

Maven

JUnit

Kafka

Job description

• At least 6 years of experience in Java software development.
• Hands-on experience with the Spring Framework, Spring Boot, and relational databases (PostgreSQL and/or Db2).
• Hands-on experience developing microservices.
• Experience using AI-assisted development tools (e.g., GitHub Copilot).
• Experience building distributed, highly available, and high-throughput applications.
• Very useful to have experience with: Kafka, CI/CD pipelines, Jenkins, Docker, Kubernetes, REST APIs, Maven and JUnit
• Nice to have knowledge of Specification-Driven Development (SDD) and SDD frameworks
• Fluent in spoken and written English.

Role in Embedded banking area:

• Developing new services and solutions in client's Embedded Banking Service Domain (Payments Service Area)
• Being part of newly created Scrum team with experienced colleagues