Warsaw On-site Full Stack Engineer – React Native & Java

EC Markets LTD; Warszawa; On-site; PLN 169,000 - 253,000; Full time

Benefits offered by this job

Annual bonus

Health insurance

Learning budget

Company hardware

Travel opportunities

Job summary

EC Markets LTD is hiring a Full Stack Developer in Warsaw to join our Product Engineering team. You will own features end-to-end for our mobile app and core API, deliver within short sprints and integrate with trading, custody, identity verification, and payments platforms.

You will participate in Scrum ceremonies, implement secure authentication and data privacy aligned with FCA and GDPR requirements, and help keep our app fast and reliable across devices.

Qualifications

• 4+ years of professional software engineering experience across front end and back end.
• Production experience with React Native and TypeScript; Expo is a plus.
• Production back-end experience in Java with Spring Boot (REST APIs, Maven).
• Solid SQL and relational database experience (PostgreSQL preferred).
• Experience releasing mobile apps through the App Store and Google Play.

Responsibilities

• Build features end to end: React Native/Expo screens for iOS, Android and web, and the Spring Boot API endpoints behind them.
• Take work from refinement through code review and testing to production release.
• Participate in Scrum ceremonies: refinement, estimation, planning, review and retrospective.
• Integrate with third‑party platforms for trading, custody, identity verification, payments and market data.
• Write unit and integration tests and support QA with mobile UI and API automation.

Skills

React Native

TypeScript

Java Spring Boot

SQL/PostgreSQL

REST APIs

CI/CD

Git

AWS

Mobile release

AI-assisted development

Education

Degree in CS/SE or equivalent

Tools

Spring Boot

PostgreSQL

REST API design

Job description

EC Markets LTD is hiring a Full Stack Developer in Warsaw to join our Product Engineering team. You will own features end-to-end for our mobile app and core API, deliver within short sprints and integrate with trading, custody, identity verification, and payments platforms.

You will participate in Scrum ceremonies, implement secure authentication and data privacy aligned with FCA and GDPR requirements, and help keep our app fast and reliable across devices.