Senior React Native Engineer — Real-Time FinTech, Hybrid

OANDA; Kraków; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

OANDA is seeking a Senior React Native Engineer to join our Mobile Engineering Team in Krakow. You will work on a production React Native codebase embedded in native iOS and Android hosts, delivering high-performance, real-time trading interfaces.

You will own end-to-end delivery from concept to production within your first three months, collaborating with backend, product, and UX for fast, reliable mobile experiences in an agile environment.

Qualifications

• Solid background in mobile app development across iOS and/or Android.
• Senior-level experience building and scaling React Native apps in production.
• Deep TypeScript mastery with large codebases.
• Experience with React Native architecture including native modules, Fabric, TurboModules, Hermes, and the New Architecture.
• Experience with React Query for data fetching and caching.
• Willingness to adopt AI-assisted development tools.

Responsibilities

• Develop and ship new features for a high-performance React Native codebase embedded within native iOS and Android hosts.
• Drive architecture and code quality, lead proofs-of-concept for new patterns, improve developer experience, ensure UI responsiveness for real-time trading.
• Design and align RESTful API contracts in close collaboration with backend, product, and UX Design Teams.
• Write reusable, well-tested code, taking full ownership across all stages of the mobile software development lifecycle.
• Elevate team engineering standards through thorough code reviews, mentorship, and agile participation.
• Own end-to-end delivery, taking features from concept to production release within the first three months.

Skills

Mobile app development

Senior-level experience

TypeScript

React Native

React Native architecture

React Query

Code reviews

AI tooling familiarity

Tools

Lerna

Nx

npm workspaces

Job description

OANDA is seeking a Senior React Native Engineer to join our Mobile Engineering Team in Krakow. You will work on a production React Native codebase embedded in native iOS and Android hosts, delivering high-performance, real-time trading interfaces.

You will own end-to-end delivery from concept to production within your first three months, collaborating with backend, product, and UX for fast, reliable mobile experiences in an agile environment.