React Native Technical Lead

3Pillar

11d • Hybrid

About The Position

Accomplished Tech Visionary: Elevate your expertise to new heights at 3Pillar, the premier destination for trailblazing senior engineers like yourself. Picture collaborating with industry leaders and spearheading transformative projects at the cutting edge of clinical trial technology. Our mission is to revolutionize healthcare software, and your skills are integral to achieving this ambitious goal. Your role extends beyond writing code; you will architect transformative mobile solutions for the platform and lead a team of engineers to deliver excellence on both iOS and Android. Join us and spearhead the charge toward a tech future that transcends the ordinary. You will be focused on leading the architecture and development of the mobile application — built with React Native — mentoring engineers, and working closely with product and client stakeholders to deliver world-class clinical data capture experiences.

Requirements

• Lead and architect React Native applications for iOS and Android in a production environment
• Develop and maintain native modules for iOS (Swift/Objective-C) and Android (Kotlin/Java) as needed
• Manage state with Redux or equivalent libraries and ensure scalable architecture patterns
• Mentor engineers, conduct code reviews, and define engineering standards
• Deliver in agile/scrum environments with a focus on quality and client collaboration
• Languages: JavaScript / TypeScript
• Frameworks: React Native (5+ years), iOS & Android native module experience
• State Management: Redux, Redux Toolkit, or MobX
• Tools: Jira, GitHub/Bitbucket, Slack

Nice To Haves

• Experience with Expo, Expo EAS, and CI/CD pipelines for mobile (Fastlane, Bitrise, GitHub Actions)
• Healthcare or regulated-industry software development experience
• 5+ years professional mobile development experience, 3+ years in a lead or senior role.
• Proven track record leading engineering teams or projects from architecture to production.
• Strong communication skills and English proficiency.
• Familiarity with accessibility standards for mobile applications (WCAG).
• Experience with GraphQL or REST API integration in mobile apps.
• Background in performance profiling and offline-first mobile strategies.
• Experience working in clinical trials, healthcare IT, or FDA-regulated software environments.

Responsibilities

• Facilitate effective communication with client project stakeholders regarding project status and recommendations.
• Lead the architecture, design, and development of iOS and Android applications using React Native, including native module development where required.
• Own mobile engineering standards, code review practices, CI/CD pipelines, and release processes for the BX mobile app.
• Collaborate with backend, data, and QA teams to deliver robust, high-quality features aligned to clinical requirements.
• Mentor and provide technical guidance to junior and mid-level mobile engineers on the team.
• Drive performance optimization, accessibility, and reliability improvements across the BX mobile platform.
• Engage in agile software development including daily stand-ups, sprint planning, retrospectives, and estimation.
• Participate in the Engineering Practice community, supporting CoPs and the growth of technical capabilities.

Benefits

• flexible work environment
• remote-first approach
• global team
• generous time off
• professional development opportunities
• fitness offerings
• mental health plans (country-dependent)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees