Senior Mobile Engineer, React Native — Field Ops & GIS

Forerunner; Portland (ME); Hybrid; USD 185,000 - 215,000; Full time

Benefits offered by this job

Hybrid work

Health coverage

401k plan

Lunch stipend

Wellness reimbursement

In-person collaboration

Job summary

Forerunner is hiring a Senior Software Engineer, Mobile to lead the evolution of our mobile experience. You’ll build and scale our React Native application, critical to how governments collect, act on, and communicate real-world data in the field.

This role sits at the intersection of geospatial data, field operations, and climate resilience, where performance, reliability, and usability directly affect community outcomes. Join a mission-driven, hybrid team near Portland, Maine.

Qualifications

• 5+ years of software engineering experience with a mobile focus.
• 3+ years building production apps with React Native.
• Deep proficiency in JavaScript/TypeScript and React.
• Experience building cross‑platform apps for iOS and Android.
• Strong understanding of mobile performance and UI/UX.
• Experience integrating RESTful APIs and handling complex data.
• Familiarity with native mobile development (Swift/Kotlin or Objective-C/Java).
• Excellent communication and collaboration in ambiguous environments.

Responsibilities

• Build and scale mobile applications using React Native for iOS and Android.
• Own features end‑to‑end from design to production and iteration.
• Develop intuitive, responsive mobile interfaces for field use.
• Collaborate with product, design, and backend teams to ship features.
• Integrate APIs, geospatial data, and real‑time workflows in apps.
• Identify and fix performance bottlenecks for native‑like speed.
• Contribute to mobile architecture decisions and native module usage.
• Improve developer experience with tooling and testing, mentor teammates.

Skills

React Native

JavaScript/TypeScript

Mobile development

RESTful APIs

Cross-platform iOS/Android

Performance optimization

Native modules

Team mentorship

Tools

Redux

Context API

CI/CD pipelines

Job description

Forerunner is hiring a Senior Software Engineer, Mobile to lead the evolution of our mobile experience. You’ll build and scale our React Native application, critical to how governments collect, act on, and communicate real-world data in the field.

This role sits at the intersection of geospatial data, field operations, and climate resilience, where performance, reliability, and usability directly affect community outcomes. Join a mission-driven, hybrid team near Portland, Maine.