Senior/Tech Lead Mobile App Developer

Injective Labs

. Take technical ownership of the React Native mobile application across iOS and Android, driving architecture, scalability, performance, reliability, and maintainability .

Posted 9/29/2026full-timeRemote • New York • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in mobile application development, particularly with React Native and TypeScript, while leading technical projects and architectural decisions. Capable of driving improvements in mobile architecture and collaborating effectively with cross-functional teams.

Highest-signal resume keywords

React Native DevelopmentTypeScript ProficiencyMobile Application ArchitectureAPI IntegrationTechnical Leadership

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Mobile Application DevelopmentReact NativeTypeScriptNode.jsREST APIsGRPCServer-Sent EventsWebSocketsMobile CI/CDPerformance Optimization

Soft Skills

Problem-SolvingAttention to DetailClear Communication

Tools & Technologies

App StoreGoogle Play StoreMonitoring ToolsTesting Frameworks

Industry Keywords

FintechBlockchainWeb3DeFiReal-Time Data

Tech Stack

Tools & technologies

AndroidGRPCiOSJavaScriptNode.jsReactReact NativeTypeScriptWeb3

About the role

Key responsibilities & impact

Take technical ownership of the React Native mobile application across iOS and Android, driving architecture, scalability, performance, reliability, and maintainability
Lead the full engineering lifecycle of mobile features from technical design and implementation through testing, release, monitoring, and iteration
Build complex functionality using React Native and TypeScript while defining and maintaining engineering standards, patterns, and best practices
Make technical and architectural decisions while driving improvements to mobile architecture and development processes
Provide technical guidance through code reviews, design discussions, pair programming, and knowledge sharing
Collaborate with Product, Design, and Backend Engineering on scalable technical solutions, API design, integrations, real-time data flows, and supporting infrastructure
Own mobile release processes and application health, including App Store and Google Play releases, monitoring, issue triage, and production incident investigation
Stay current with mobile development practices and evaluate relevant technologies, frameworks, and tools

Requirements

What you’ll need

10+ years of professional software engineering experience, with significant experience building production mobile applications
Experience building fintech or trading applications
Experience with blockchain, Web3, or DeFi
Strong professional experience with React Native, React, and TypeScript
Experience owning or leading the technical development of a production mobile application
Strong understanding of mobile application architecture, design patterns, state management, performance, testing, and maintainability
Experience making architectural decisions and driving technical projects from design through production
Strong experience integrating mobile applications with backend APIs and services
Experience with Node.js
Strong experience working with REST APIs
Experience with real-time data and communication technologies such as gRPC, Server-Sent Events (SSE), or WebSockets is a strong plus
Experience debugging complex production issues and optimizing mobile application performance
Experience with mobile CI/CD, testing, monitoring, and release processes
Experience publishing and maintaining applications on the Apple App Store and Google Play Store
Ability to provide technical direction and constructive feedback to other engineers
Comfortable taking ownership and operating autonomously in a fast-paced environment
Excellent problem-solving skills and attention to detail
Ability to communicate technical decisions clearly with both engineering and non-engineering stakeholders
Must be fluent in English
Based in the EU or New York timezone
Understanding of iOS and Android platforms, including platform-specific behaviors, limitations, and development best practices (nice to have)
Experience designing or scaling mobile applications with a significant production user base (nice to have)
Experience working on products involving real-time market data, order execution, charts, or other performance-sensitive financial interfaces (nice to have)
Previous experience acting as a Tech Lead or providing technical leadership within a mobile engineering team (nice to have)

Benefits

Comp & perks

Competitive salary and INJ token award
Remote-friendly work environment with flexible hours
Unlimited PTO
Equipment
Home Office Stipend
Opportunity to work on cutting-edge blockchain technology in the finance industry
Collaborative team culture with opportunities for professional growth and development
Global team meet ups