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Senior Java Developer

B2B.NET S.A.Warszawa, Masovian, Poland

5 days ago

Job description

technologies-expected :

Java
Spring Boot

technologies-optional :

Spring Webflux

RxJava

OAuth2

Splunk

Grafana

Angular

about-project :

The project focuses on developing secure and scalable onboarding services within a complex banking ecosystem. As a Senior Java Developer, you will play a key role in designing and building robust microservices using modern technologies. You will work closely with business and tech stakeholders to ensure customer-focused solutions. Your engineering perspective will directly influence the product. The role involves collaboration across international teams within a SAFe / Agile framework.

Work mode : 2 day per week in the office

Tech Stack :

Java, Spring Boot

Spring Webflux / RxJava (nice to have)

AWS or other cloud platforms (nice to have)

OAuth2, cryptographic key handling (nice to have)

Splunk, Grafana (nice to have)

Angular (nice to have)

responsibilities :

Design, develop and maintain clean, testable microservices using Java and Spring Boot

Take part in architectural discussions and propose engineering solutions

Analyze business and technical requirements and translate them into working code

Apply TDD practices to ensure high code quality and maintainability

Collaborate with business stakeholders to find optimal technical solutions

Work with databases and write efficient SQL queries

requirements-expected :

Strong hands-on experience with Java and Spring Boot

Experience in microservices development and architecture

Solid understanding of TDD principles and implementation

Ability to analyze and design technical solutions

Experience working with relational databases and SQL

Experience working in SAFe / Agile environments

Fluent English – both spoken and written

Proactive, solution-driven mindset and team collaboration skills

benefits :

sharing the costs of sports activities

private medical care

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Senior Java Developer • Warszawa, Masovian, Poland

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