# Full Stack Engineer (Java & React) at Capco

Full Stack Engineer (Java & React) at Capco in Poland - Warsaw. Hybrid. Posted October 19, 2026.

- Company: Capco
- Location: Poland - Warsaw
- Workplace: Hybrid
- Posted: 2026-10-19
- Apply: https://job-boards.greenhouse.io/capco/jobs/8300424
- Source: https://jobmagic.ai/jobs/full-stack-engineer-java-react-capco-k7td90

## Description

**CAPCO POLAND - WARSAW*We are looking for Poland based candidate. **

At **Capco Poland,** we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management.

**Role Overview**

We are seeking **React / Java Full Stack Engineer **to join our **Global Asset Servicing Platform** team. This is a hands-on engineering role where you will design, build, and test features end-to-end – with full ownership of code and quality. 

You will work across development **and** test automation: coding new functionality, writing unit and integration tests, and adding Cucumber-based end-to-end tests – not only for your own work but also for features built by your teammates, to ensure unbiased validation.

**The ideal candidate will be skilled in Java backend development and modern UI development using React. This role will work across the full stack to build a scalable, reliable, and user-friendly application.Key Responsibilities**

- Design, develop, and maintain features using **Java and React**.

- Build responsive and modern frontend applications using ReactJS,

- Develop and integrate APIs and web services.

- Experience working with relational databases (Oracle, Postgres)

- Write clean, well-structured **unit tests (JUnit or equivalent)** alongside your code.

- Contribute to and maintain our automated test framework using **Ruby and Cucumber**:

- Write new Ruby step definitions as needed.

- Create and maintain Cucumber feature files for end-to-end testing.

- **Write automated tests for features developed by other engineers**, ensuring high-quality outcomes and reducing development bias.

- Champion a **test-first approach**, delivering code that is reliable, maintainable, and scalable.

- Apply performance and scalability considerations; use tools such as **JMeter** for load/performance testing where required.

- Ensure instrumentation, configuration, and logging are embedded in code to support ongoing monitoring and support.

- Analyse and debug issues using logs; propose and implement fixes.

- Collaborate in Agile ceremonies, helping the squad plan effectively and commit to clear sprint goals.

- Partner with product managers and analysts to understand **what** is being built, **why** it matters, and **how** best to implement it for both functional and non-functional needs.

- Build with a **product mindset** – appreciating client impact, configurability, and long-term supportability.

**Skills & ExperienceTechnical Skills**

- Proficiency in:

- **Java** (with strong JUnit testing experience)

- **React** (with associated unit testing frameworks)

- Familiarity with automation frameworks & languages:

- **Ruby scripting **(nice to have) for step definitions

- **Cucumber** for end-to-end testing

- Strong understanding of:

- Multi-threading, parallel processing, and real-time messaging

- Test-first design, CI/CD practices

- Ability to use **JMeter** or similar tools for performance testing (a plus)

- Basic understanding of **cloud services**: databases, servers, storage, gateways (not at architect level, but practical awareness of hosting environments).

- **Experience using AI-assisted engineering tools** (such as GitHub Copilot, ChatGPT, or similar) to accelerate coding, testing, debugging, and documentation, while maintaining code quality and critical thinking.

**Functional / Domain Knowledge**

- Familiarity with **financial markets** concepts.

- Knowledge of **corporate actions lifecycle** preferred.

**Soft Skills**

- Strong analytical and debugging abilities.

- Clear communicator, able to articulate trade-offs and solutions to both technical and business audiences.

- Collaborative team player, comfortable working in **agile, cross-functional squads**.

- Curious and thoughtful: able to look beyond the ticket to understand requirements, impact, and broader context.

- Product mindset — balancing immediate delivery with long-term maintainability and client impact.

**B2B cooperation in a hybrid model, with the option to provide services from the Warsaw office to the extent agreed based on project needs.Recruitment Process:**

- HR Interview with the recruiter

- Technical Interview

- Client Interview 

- Feedback and offer

 

#LI-HYBRID