React Developer

Ascendion; Bengaluru; On-site; INR 5,500,000 - 7,200,000; Full time

Job summary

Ascendion is hiring a UI Developer to lead frontend architecture and deliver production-ready applications using Next.js 14+, React 18+, TypeScript. You will design reusable components, implement SSR/CSR strategies, integrate REST/GraphQL APIs, and work with AWS ECS and Terraform for cloud deployment.

You will collaborate with backend teams, ensure accessibility and performance, and mentor junior developers while keeping up with latest React and Next.js releases.

Qualifications

• 6+ years of frontend development experience.
• 3+ years building production apps with Next.js.

Responsibilities

• Frontend Architecture & Development.

Skills

TypeScript proficiency

React expertise

Frontend architecture

CI/CD pipelines

Git workflows

Mentorship

Education

AWS Developer – Associate

AWS Solutions Architect – Associate

Meta Front-End Developer Certificate

Tools

Next.js 14+

AWS ECS

Docker

PostgreSQL

Tailwind CSS

Terraform

REST / GraphQL

Job description

About The Role

Job Description: UI Developer (6+ Years with Next.js 14+, React 18+, TypeScript, AWS ECS, Docker, PostgreSQL, Tailwind CSS, CI/CD, Terraform, REST / GraphQL, AWS Certified)

About The Role

Job Description: UI Developer (6+ Years with Next.js 14+, React 18+, TypeScript, AWS ECS, Docker, PostgreSQL, Tailwind CSS, CI/CD, Terraform, REST / GraphQL, AWS Certified)

Key Responsibilities

• Frontend Architecture & Development
• Architect and develop modern web applications using Next.js 14+ (App Router, Server Components, Server Actions, Streaming SSR, Parallel Routes)
• Design reusable, accessible component libraries using React 18+, TypeScript, and Tailwind CSS / Radix UI
• Implement rendering strategies (SSR, SSG, ISR, CSR) based on page-level performance and SEO requirements
• Build and consume RESTful APIs and GraphQL endpoints via Next.js Route Handlers and middleware
• Implement authentication flows (NextAuth.js, OAuth 2.0, JWT, SAML) with session management
• Write comprehensive tests
• Data Layer & PostgreSQL Integration
• Design data-fetching patterns connecting Next.js to PostgreSQL via Prisma, Drizzle ORM, or raw SQL with connection pooling (PgBouncer, RDS Proxy)
• Build type-safe database queries with proper error handling, pagination, and optimistic updates
• Implement caching strategies (React Cache, revalidation tags) to minimize database roundtrips
• Collaborate on schema design, indexing strategies, and query optimization for frontend-driven data access
• AWS & ECS Deployment
• Containerize Next.js applications using Docker with multi-stage builds (standalone output mode)
• Deploy and manage apps on AWS ECS (Fargate/EC2) with task definitions, service configs, and auto-scaling
• Configure ALB with health checks, path-based routing, and SSL/TLS termination via ACM
• Set up CI/CD pipelines (CodePipeline) for automated build, test, and deploy to ECS
• Manage infrastructure using IaC (Terraform)
• Integrate with AWS services: RDS PostgreSQL, S3 + CloudFront, ElastiCache, Secrets Manager, CloudWatch, WAF, SQS/SNS
• Performance, Observability & Security
• Implement frontend observability: structured logging, error tracking (Sentry, Datadog RUM), performance monitoring
• Configure CloudWatch Container Insights for ECS task-level metrics
• Apply security best practices: CSP, CORS, input sanitization, XSS/CSRF protection, dependency scanning
• Ensure WCAG 2.1 AA accessibility compliance with automated testing (axe-core, Lighthouse CI)
• Leadership & Collaboration
• Lead frontend architecture decisions; document via ADRs
• Mentor junior developers through code reviews, pair programming, and knowledge-sharing sessions
• Translate Figma designs into pixel-perfect, responsive implementations
• Stay current with Next.js releases, React ecosystem, and AWS service updates
• Required Qualifications
• 6+ years professional frontend development; 3+ years building production apps in Next.js
• Professional Certification (required) — one or more:
• AWS Certified Developer – Associate or AWS Certified Solutions Architect – Associate
• AWS Certified DevOps Engineer – Professional
• Meta Front-End Developer Professional Certificate
• Strong TypeScript proficiency — generics, discriminated unions, type guards, utility types, strict mode
• React expertise — hooks, context, suspense, concurrent features, server components, state management (Zustand, Redux Toolkit, TanStack Query)
• Hands-on AWS ECS experience — task definitions, Fargate, ALB, auto-scaling
• Working knowledge of PostgreSQL — SQL queries, EXPLAIN ANALYZE, indexing, migrations, ORM (Prisma/Drizzle)
• Docker — production Dockerfiles, multi-stage builds, Docker Compose
• Modern CSS: Tailwind CSS, CSS Grid, Flexbox, responsive design
• CI/CD pipelines for containerized frontend deployments
• Git workflows (trunk-based or GitFlow), PR reviews, semantic versioning

Preferred Qualifications

• AWS certifications (such as Developer + Solutions Architect)
• Experience with Next.js Middleware for edge routing, A/B testing, feature flags
• OpenTelemetry instrumentation for distributed tracing
• GraphQL (Apollo Client, urql) and schema-first API development
• Amazon Aurora PostgreSQL Serverless v2 and connection management in container contexts
• Micro-frontend architectures (Module Federation, multi-zone Next.js)
• Experience in regulated industries (Sox)
• Key Skills at a Glance
• Next.js 14+, React 18+, TypeScript, AWS ECS, Docker, PostgreSQL, Tailwind CSS, CI/CD, Terraform, REST / GraphQL, AWS Certified