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Frontend Architect

Job in 400001, Mumbai, Maharashtra, India
Listing for: Sugary
Full Time position
Listed on 2026-01-01
Job specializations:
  • IT/Tech
    Cybersecurity
Job Description & How to Apply Below
We're looking for a strong Frontend Engineer to build ultra-fast, reliable interfaces for a fintech platform serving 100M+ users. You will work on high-throughput, real-time data surfaces where performance, correctness, and security are critical.

Responsibilities Build low-latency, high-performance UIs with optimized rendering, virtualized lists, and minimal re-renders.

Integrate real-time data using Web Sockets/SSE/gRPC-web, handle diff streams, back pressure, and graceful degradation.

Work in modular monorepos / micro-frontend architectures and set performance SLAs (LCP, FID, interaction latency).Implement strong frontend security: CSP, anti-tampering, secure storage, token handling, fraud-resistant flows.

Add observability: client-side metrics, latency logs, RUM, tracing (Sentry/Datadog/Open Telemetry).Collaborate with backend, platform, and security teams; write design docs and reusable libraries.

Skills Expert in React/Next.js + Type Script, deep understanding of rendering pipelines, concurrency, and event loops.

Strong in state management (Redux Toolkit / Zustand / Recoil / RxJS).

Experience with real-time data UIs, binary payloads (Protobuf/Message Pack), and snapshot-delta handling.

Proficient in performance profiling, bundle optimization, hydration strategies, caching, and prefetching.

Knowledge of fintech-grade security: OAuth2, PKCE, secure session flows, threat modelling.
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