Senior Mobile Engineer (React Native) for Field Data & Geospatial

Forerunner; San Francisco (CA); Hybrid; USD 185,000 - 215,000; Full time

Benefits offered by this job

Health/vision/dental

401k plan

Hybrid work near SF/NYC/Portland

Lunch allowance

Wellness reimbursement

Job summary

Forerunner in San Francisco is hiring a Senior Software Engineer, Mobile to lead the evolution of our mobile experience. You’ll build and scale our React Native application, delivering high-quality experiences for field users across iOS and Android.

You’ll own features end-to-end, optimize performance, and collaborate with product, design, and backend teams to ship impactful capabilities in a hybrid work environment near our offices in New York City, San Francisco, or Portland, Maine.

Qualifications

• 5+ years of software engineering with a mobile focus.
• 3+ years building production React Native apps.
• Strong JS/TS, React knowledge and cross‑platform mobile experience.
• Experience with performance, UI/UX, and offline or low-connectivity scenarios.
• Familiarity with native modules and RESTful APIs.

Responsibilities

• Build and scale mobile apps using React Native for iOS and Android.
• Own features end‑to‑end from design to production.
• Create intuitive mobile UX for field operations in real‑world conditions.
• Collaborate with product, design, and backend teams to ship features.
• Improve mobile architecture and developer tooling; mentor peers.

Skills

Software engineering

React Native

JavaScript/TypeScript

React

Cross-platform mobile

Performance/UI/UX

RESTful APIs

Native modules (Swift/Kotlin)

Product sense

Communication

Tools

React Native

Redux

Context API

CI/CD for mobile

REST APIs

Job description

Forerunner in San Francisco is hiring a Senior Software Engineer, Mobile to lead the evolution of our mobile experience. You’ll build and scale our React Native application, delivering high-quality experiences for field users across iOS and Android.

You’ll own features end-to-end, optimize performance, and collaborate with product, design, and backend teams to ship impactful capabilities in a hybrid work environment near our offices in New York City, San Francisco, or Portland, Maine.