Senior Fullstack Developer

Quick Facts

• Role: Senior Fullstack Developer (Digital banking)

• Rate: 155 PLN/h net + VAT (B2B)

• Work model: Hybrid (3 days/week in office)

• Location: Warsaw / Gdańsk / Gdynia

• Industry: Banking

Description

As a Senior Fullstack Developer, you will design, develop, test, and maintain backend services for digital banking platforms. You will drive backend testing in an Agile team, collaborate with business stakeholders on requirements and solution design, and use AI-powered tools to enhance development and testing. You will contribute across the full product lifecycle from design to operational support.

Responsibilities

• Design, develop, test, and maintain backend services for digital banking platforms

• Lead backend testing activities in an Agile team to ensure quality and scalability

• Gather requirements with business stakeholders and support solution design

• Translate business needs into technical solutions

• Use AI-powered tools in daily development and testing processes

• Contribute across the full product lifecycle (design to operational support)

• Work in a cross-functional Agile team delivering customer-centric banking services

Requirements

• Proficient in JDK21+ and Spring Boot 3.5; knowledge of JDK25+ and Spring Boot 4.x

• Experience with Git, Maven, and OpenAPI (Swagger) for API design

• Familiarity with CI/CD and Jenkins

• Expertise in unit and integration testing with JUnit 5, AssertJ, and WireMock

• Solid understanding of SQL (JDBC, Spring Template, Hibernate ORM)

• Experience using JetBrains IntelliJ IDEA and Microsoft Visual Studio Code

• Knowledge of JavaScript, TypeScript, and Angular 2+ for frontend development

• Ability to effectively use AI-assisted coding tools for development and testing

Benefits

• B2B rate: 155 PLN/h net + VAT

• Hybrid work: 3 days/week in office (Warsaw/Gdańsk/Gdynia)