Senior Frontend DeveloperInstaSupply Inc. • Prayagraj(Allahabad), IN

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Senior Frontend Developer

InstaSupply Inc. • Prayagraj(Allahabad), IN

8 days ago

Job description

We are looking for a senior-level React Native developer with 8+ years of experience who can architect, lead, and scale front-end systems. This role is for someone who doesn’t just build screens, but owns front-end quality, structure, and technical direction .

This is a lead role with hands-on coding and team supervision responsibilities.

Contract - Full-time (tenure 3 months)

Experience Required

6 + years of hands-on experience with React Native
Proven experience leading or supervising front-end developers
Experience building and maintaining production-scale mobile applications (iOS & Android)
Experience working in fast-paced, startup environments

Core Technical Skills (Must-Have)

React Native (Expert)

TypeScript (Strong proficiency)

Advanced JavaScript (async / await, event loop, performance, memory concepts)

Strong understanding of component architecture, reusability, and state management

Other Technical Must-Haves

Strong code review skills and ability to enforce best practices

Deep experience with state management (Redux, Zustand, or equivalent)

Performance optimization expertise (re-renders, memoization, list virtualization)

Ability to design and maintain scalable folder and component architecture

Experience handling edge cases, error states, and unreliable network conditions

Strong understanding of API contracts , pagination, filtering, and data flow

Experience implementing authentication flows , token handling, and role-based UI logic

Testing mindset (unit tests and basic integration testing)

Familiarity with CI / CD pipelines , environment configs, and release workflows

Strong Git knowledge (branching, PRs, conflict resolution)

Ability to debug production issues using logs, crash reports, and monitoring tools

Clear understanding of iOS vs Android platform differences

Scalable React Native Architecture (Must-Have)

Proven experience building scalable React Native applications that grow in features, users, and team size

Strong understanding of feature-based architecture (not screen-based clutter)

Clear separation of UI, business logic, and data access layers

Experience designing and enforcing a shared design system (components, tokens, theming)

Strong command of TypeScript-driven API contracts and typed navigation

Ability to correctly manage local state vs server state (Redux / Zustand, React Query or equivalent)

Performance-first mindset

– Optimized lists (FlatList / FlashList, virtualization)

– Pagination and lazy loading by default

– Efficient image handling and caching

Experience structuring navigation for scale and roles

– Modular navigators

– Role-based flows (customer, supplier, driver) without duplication

– Deep-linking ready navigation

Strong understanding of production readiness

– Centralized error handling

– Logging and crash reporting

– Environment separation (dev, staging, prod)

– Feature flags and safe rollouts

Ability to build codebases that scale with people

– Clear folder conventions

– PR standards and review guidelines

– Documentation that enables fast onboarding

Additional Languages & Skills (Strong Plus)

React (Web) for admin panels and shared components

HTML & CSS (Advanced layout understanding)

Basic to Intermediate SQL for data-driven UI thinking

Strong understanding of REST APIs (GraphQL is a plus)

Familiarity with Node.js for tooling, scripts, or shared logic

Exposure to Python is a plus, especially for AI or data-driven features

What You’ll Do

Architect and build scalable React Native applications

Lead, mentor, and review code from front-end developers

Set and enforce front-end standards, performance benchmarks, and architecture

Convert UI / UX designs into pixel-perfect, high-performance interfaces

Collaborate closely with backend, AI, and product teams

Take ownership of front-end timelines, quality, and delivery

What We’re Looking For

Strong technical leadership and decision-making ability

Ability to think beyond screens and understand full data flow

Ownership mindset — responsible for outcomes, not just tasks

Comfortable making architectural decisions and defending them

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Senior Frontend Developer • Prayagraj(Allahabad), IN

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