Series B HR SaaS
- Challenge
- No distributed tracing; 4-hour MTTR on hiring API.
- Simplileap solution
- OpenTelemetry, Grafana SLOs, and error-budget alerts.
- Outcome
- MTTR 4h → 22 minutes.
// Build: Frontend
React.js development for production-grade frontend systems
We build React applications that scale, typed, tested, performant, and structured so large teams can move fast without architectural debt. From SPAs to design systems and micro-frontend architectures.
// Capabilities
React engineering scope
Single Page Applications
Fast, component-driven SPAs with route-level code splitting, lazy loading, and optimistic UI patterns for real-time data products.
Component Libraries & Design Systems
Reusable component systems built with TypeScript, Storybook, and design tokens, shared across products and teams.
State Management
Choosing the right state approach per project: Zustand, Redux Toolkit, React Query, Context, or server state with SWR/TanStack Query.
Performance Engineering
Virtualised lists, memoisation strategy, bundle analysis, code splitting, and profiling with React DevTools to eliminate jank and unnecessary renders.
React + Backend Integration
Clean data-fetching layers with typed API clients, error boundaries, loading skeletons, and resilient retry logic for unreliable services.
Micro-frontend Architecture
Module Federation and shell/remote patterns for teams that need independent deployments across large frontend codebases.
// Technical standards
What makes a React codebase maintainable at scale
React's flexibility is both its strength and its pitfall. Without architectural decisions made early, large React codebases become spaghetti: deeply nested prop chains, uncontrolled re-renders, unmaintainable folder structures, and inconsistent data-fetching patterns.
We define architecture before writing features: folder structure, state ownership, API layer design, component composition patterns, and testing strategy. These decisions are documented so the team can maintain them independently.
// Standards
- TypeScript, strict mode on all projects
- Feature-based folder structure with clear boundaries
- TanStack Query or SWR for all server state
- Zustand for local UI state where needed
- React Testing Library, test behaviour, not implementation
- Storybook for shared component documentation
- ESLint + Prettier enforced in CI
- Bundle analysis on every release with size regression checks
Production patterns and experience depth: React expertise ›
// In practice
How react.js development engagements run
React SPAs and micro-frontends ship with component libraries, state boundaries, and performance budgets on critical routes — often paired with a typed API layer when SEO requires a Next.js shell. Staging demos every two weeks include explicit rollback criteria and bundle-size diffs on main routes.
// Stack & frameworks
Stack we use for this
Frontend
- Next.js App Router
- React 18+
- Tailwind CSS
- Core Web Vitals tuning
Backend & data
- Node.js / Python APIs
- PostgreSQL
- Redis caching
- REST & GraphQL
Operations
- CI/CD pipelines
- Docker / Kubernetes
- Observability
- Security hardening
// Delivery
Simplileap execution framework
01
Architecture mapping
Dependencies, API contracts, compliance constraints, and performance budgets documented before sprint one.
02
Secure sprints
Two-week increments with GitHub access, demo recordings, and QA checkpoints, client visibility at every stage.
03
QA & handover
Automated tests on critical paths, security review, runbooks, and knowledge transfer to your team.
// Proof
Real deployments from Bangalore
B2B marketplace
- Challenge
- 45-minute pipelines blocked daily releases.
- Simplileap solution
- Turborepo cache, Docker layer reuse, parallel e2e shards.
- Outcome
- Builds median 11 minutes; daily deploys achieved.
// Engagement models
How teams engage us
Currency
| Package | Ideal for | Investment | Includes |
|---|---|---|---|
| Website or app design / build | Mid-market B2B | ₹75K – ₹12L |
|
| Product MVP | SaaS & startups | ₹8L – ₹25L |
|
| Legacy modernisation | Regulated industries | Phased proposal |
|
// Company and service positioning
Company and Service positioning is reviewed for production delivery standards by Harsha Parthasarathy (Co-Founder, Strategy & Operations 24+ years IT veteran, IBM, Global Delivery, Program Management) and Keshav Sharma (Co-Founder, Engineering and Lead Architect, Full-stack engineering, product delivery and technical standards).
CIN
AAU-8582
Startup India
DIPP83124
Founded
November 2020
Office
Residency Rd, Bengaluru, India
// FAQ
React.js development questions
When should we choose React over a meta-framework like Next.js?+
Pure React SPAs make sense for authenticated dashboards, internal tools, and applications where SEO is not required and the full page is behind login. When you need server-side rendering, SEO, static generation, or edge performance, Next.js is the better choice. We recommend per project.
How do you structure large React applications?+
We use feature-based folder structure, barrel exports, domain separation, typed API layers, shared UI component libraries, and strict linting rules. Architecture decisions are documented so the codebase scales with your team rather than accumulating debt.
How do you handle React performance at scale?+
We profile before optimising, using React DevTools Profiler, Lighthouse, and production RUM. Common fixes we apply: memoisation of expensive computations, virtualisation for long lists, code splitting by route and feature, server state deduplication, and eliminating render cascades from poor context design.
Do you write tests for React applications?+
Yes. We write unit tests with Vitest or Jest, integration tests with React Testing Library, and end-to-end tests with Playwright for critical journeys. Test strategy is defined in the architecture phase based on risk and velocity requirements.
Ready to scope your next initiative?
Share your goals with our Bangalore team. We respond within one business day with a clear path from discovery to delivery.