Senior Fullstack Developer – Digital Banking

DCG; Województwo mazowieckie; On-site; PLN 180,000 - 270,000; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Constant support of dedicated consult

Job summary

DCG is seeking a Senior Fullstack Developer – Digital Banking to design, develop, and maintain backend services for large-scale digital banking platforms. You will own server-side testing and contribute to API tests, CI/CD, and architectural discussions.

You will collaborate with stakeholders to translate requirements into technical solutions, participate in the full software lifecycle, and leverage AI-assisted coding tools to boost efficiency and quality.

Qualifications

• 6+ years of professional software development experience with a strong focus on Java backend.
• Experience with Java (JDK 21+) and Spring Boot 3.5+, with knowledge of newer versions.
• Practical knowledge of Git, Maven, and OpenAPI (Swagger).
• Familiarity with CI/CD pipelines, release procedures, and Jenkins.
• Experience with unit and integration testing using JUnit 5, AssertJ, and WireMock.

Responsibilities

• Design, develop, test, and maintain backend services for large-scale digital banking platforms.
• Own backend testing activities within the Agile team to ensure quality and performance.
• Develop and maintain unit, integration, and API tests to support CI/CD releases.
• Collaborate with stakeholders to translate requirements into technical solutions.
• Participate in technical analysis, solution design, and architectural discussions.
• Contribute to the full software development lifecycle including deployment and maintenance.
• Use AI-assisted development tools to improve coding efficiency and automation.
• Work with cross-functional teams to deliver secure, scalable digital banking solutions.

Skills

Java backend

JUnit 5

AssertJ

WireMock

SQL

Git

Maven

Tools

OpenAPI (Swagger)

CI/CD (Jenkins)

IntelliJ IDEA

VS Code

Postman

Bruno

Job description

Stanowisko: Senior Fullstack Developer – Digital Banking

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Responsibilities:

• Design, develop, test, and maintain backend services supporting large-scale digital banking platforms
• Take ownership of backend testing activities within the Agile team, ensuring software quality, reliability, and performance
• Develop and maintain unit, integration, and API tests to support continuous delivery and high-quality releases
• Collaborate with business stakeholders to understand requirements and translate them into effective technical solutions
• Participate in technical analysis, solution design, and architectural discussions
• Contribute to the entire software development lifecycle, including implementation, testing, deployment, maintenance, and continuous improvement
• Use AI-assisted development tools to improve coding efficiency, testing, and automation of routine tasks
• Work closely with cross-functional team members to deliver secure, scalable, and customer-focused digital banking solutions

Requirements:

• Minimum 6 years of professional experience in software development, with a strong focus on Java backend development
• Experience with Java (JDK 21+) and Spring Boot 3.5, with knowledge of newer versions (JDK 25+ and Spring Boot 4.x)
• Practical knowledge of Git, Maven, and OpenAPI (Swagger)
• Familiarity with CI/CD pipelines, release procedures, and Jenkins
• Experience with unit and integration testing using JUnit 5, AssertJ, and WireMock
• Knowledge of SQL, JDBC, Spring Template, and Hibernate ORM
• Familiarity with IntelliJ IDEA, Visual Studio Code, and API testing tools (Bruno, IntelliJ HTTP Client, Postman)
• Experience using AI-assisted coding tools to improve development, testing, and automation efficiency

Nice to have:

• Experience with API testing using Cucumber/Gherkin and performance testing with JMeter
• Familiarity with qTest, Playwright, Splunk, Grafana, and Prometheus

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant