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June 3, 2026

Senior FullStack Developer (Java, Angular)

Senior • Remote

Warsaw, Poland

About the Project

We are looking for an experienced Senior FullStack Developer to join an international team working on a large-scale corporate banking platform. The application enables corporate clients to manage accounts, execute payments and transfers, handle files and confirmations, and perform a variety of banking operations through a secure online portal.

As part of the development team, you will be responsible for maintaining and enhancing a business-critical application, including the delivery of new features, bug fixes, production incident resolution, and implementation of regulatory and business-driven changes.

The system consists of both microservices and monolithic components. The team is currently on a modernization journey, gradually transforming the existing platform into a more modern architecture.

The working language is English, and the team follows SAFe Agile principles.

Responsibilities

  • Design and implement backend services based on business and technical requirements.

  • Develop and maintain REST APIs.

  • Contribute to frontend development using Angular.

  • Write and maintain unit tests.

  • Analyze, maintain, and enhance existing code, including legacy components.

  • Collaborate with cross-functional and international teams.

  • Participate in system modernization and architectural improvements.

  • Support production systems and troubleshoot issues when required.

Requirements

Must Have

  • 5+ years of commercial experience with:

    • Java 7/8

    • Spring Framework

    • Spring Boot

    • Maven

    • SQL

    • Git

    • JSP

    • JavaScript

  • Experience in designing and developing REST APIs.

  • Experience in backend service design and implementation based on specifications.

  • Strong understanding of unit testing practices.

  • 2+ years of experience with:

    • Angular

    • Jasmine

  • Experience working in an Agile environment.

  • Willingness to analyze and work with legacy code.

  • Strong communication and collaboration skills.

  • Fluent English (spoken and written).

Nice to Have

  • Knowledge of SOLID principles.

  • Familiarity with software design patterns.

What We Offer

  • Opportunity to work on a large-scale enterprise platform within the financial sector.

  • Participation in system modernization and transformation initiatives.

  • International and collaborative work environment.

  • Long-term cooperation in a stable project.

  • Exposure to both modern and legacy technologies.

  • Real impact on technical solutions and product development.