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Salary
$56k – $89k per year (Estimated)
Location
In office (Warsaw)
Seniority
Senior
Employment
Full-Time
Overview
Company
Impact
Profile match
B2Bnetwork is a Polish company that operates in the IT contracting and outsourcing market, connecting businesses with technology specialists. It focuses on providing recruitment and staffing services for IT projects.

About the Project

Join an international team responsible for the development and modernization of a key corporate banking platform. The project focuses on transforming a legacy monolithic system into a modern architecture based on microservices while building new APIs that support the platform's future growth.

You will work in an Agile/SAFe environment, leveraging modern engineering practices and architectural patterns.

Responsibilities

  • Design and develop REST APIs

  • Build and maintain backend applications using Java and Spring Framework

  • Integrate systems and support system-to-system communication

  • Refactor legacy applications and extract business logic into microservices

  • Contribute to the modernization and migration of existing systems

  • Develop solutions across both monolithic and microservices architectures

  • Work with reactive programming technologies and frameworks

  • Support frontend integration with Angular-based applications

  • Create and maintain unit and BDD tests

  • Participate in code reviews and ensure high code quality standards

  • Collaborate with cross-functional teams and stakeholders

  • Produce and maintain technical and API documentation

Requirements

Must-Have Skills

  • Java

  • Spring Framework / Hibernate

  • SQL

  • REST API development

  • Microservices architecture

  • Cucumber

  • Jasmine

  • Strong English communication skills

Nice to Have

  • Angular

Technology Stack

  • Java

  • Spring Boot

  • Hibernate

  • SQL

  • REST APIs

  • Microservices

  • Angular

  • Cucumber

  • Jasmine

  • Git

  • Domain-Driven Design (DDD)

  • Hexagonal Architecture (Ports & Adapters)

  • WebFlux / Project Reactor

  • SAFe Agile

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