Full -Stack TypeScript Developer (React/Next.js, JS ,TS , Node.js)
Elixr Labs Technologies
Full-time
On-site
Thiruvananthapuram, Kerala, India
Full -Stack TypeScript Developer (React/Next.js, JS ,TS , Node.js)
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Role summary
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We’re looking for a Full -Stack Developer who is fluent in TypeScript and comfortable
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owning features end -to -end across a React/Next.js frontend and a Node.js backend.
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You’ll design, build, test, and operate production services that read/write to both
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relational (PostgreSQL or MySQL) and non relational (MongoDB, Firestore) databases,
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with an emphasis on performance, reliability, and developer experience.
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What you’ll do
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Design and implement user -facing features in React + Next.js (App Router, SSR/SSG, routing, data -fetching).
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Build and maintain Node.js APIs (REST/GraphQL), middleware, and background jobs.
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Model, query, and tune data across non relational and relational databases (indexes, migrations, transactions).
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Write high -quality TypeScript with strong typing, generics, and runtime guards (e.g., zod).
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Ship maintainable UI: state management, accessibility, responsive design, component composition.
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Own CI/CD pipelines, testing (unit/integration/e2e), logging/monitoring, and on - call rotations.
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Collaborate with Product/Design; break down work into incremental releases; document decisions (ADR).
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Minimum qualifications (must -have)
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5+ years building production web apps with TypeScript.
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Strong React fundamentals (hooks, context, effects), and Next.js (server
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components, data fetching, caching, route handlers).
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Node.js proficiency (Express/Fastify/Nest, async patterns, streams, error
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handling).
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Data layer:
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NoSQL (MongoDB, Firestore): schema design in a schema less store,
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aggregation, indexes, TTL, transactions (if using replica sets).
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o SQL (PostgreSQL/MySQL): normalization/denormalization, joins,
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indexing, query plans, migrations.
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Testing: Jest/Vitest + React Testing Library; API integration tests; e2e
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(Playwright/Cypress).
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Proficient at Git, familiar with GitHub workflow, code reviews, feature flags, trunk -
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based or short -lived branches.
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Familiarity with security basics: OAuth/OIDC, CSRF/XSS prevention, input
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validation, secrets management.
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Build, manage, and improve CI/CD pipelines.
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Nice -to -haves
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Next.js edge/runtime experience; server actions; ISR.
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Performance: profiling (Lighthouse/React Profiler), API and DB tuning, caching
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(HTTP, Redis).
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ORMs (Prisma/TypeORM) and query builders (Knex), plus raw SQL where appropriate.
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Familiarity with Vector DBs for AI and LLM Workflows
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Message queues & background jobs (BullMQ, SQS); CRON/temporal workflows.
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Infrastructure Familiarity: Docker, Vercel/Netlify, AWS/GCP/Azure.
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Analytics/observability: OpenTelemetry, Datadog, Sentry, Prometheus/Grafana.
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Real -time features: WebSockets/SSE.
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DX: Storybook, design systems, shadcn/ui, Tailwind.
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Tech stack (example/default)
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Frontend: React 19, Next.js 14/15 (App Router), Tailwind, shadcn/ui.
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Backend: Node.js 20+, tRPC or REST, Zod for validation.
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Data: PostgreSQL (primary relational), Any NoSQL(document/real -time features), Redis (cache/queues).
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Tooling: TypeScript 5+, ESLint/Prettier, pnpm (any package manager) , Jest/Vitest, Playwright, Docker.
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CI/CD: GitHub Actions, Vercel (frontend)/Fly.io or AWS (backend).
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Additional Details:
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- Communication:<\/span><\/b> <\/span>Strong communication skills are essential.<\/span>
<\/li>- Work Timings:<\/span><\/b> <\/span>Primarily aligned to UK hours; however, a 9:00 AM to 6:00 PM schedule can also be considered.<\/span>
<\/li>- Selection Process:<\/span><\/b> <\/span>Three rounds — Initial Interview, Machine Test, and Final Interview (based on performance in the first two rounds).<\/span>
<\/li>- Work Mode:<\/span><\/b> <\/span>From customer office in Trivandrum.<\/span>
<\/li>- Equipment:<\/span><\/b> <\/span>Laptop will be provided by Zenturio Tech.<\/span>
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<\/div><\/span>Benefits<\/h3>
Elixr offers competitive salaries and benefits and an environment that encourages employees to achieve their career goals.
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<\/span><\/span><\/span><\/span><\/p>What we offer at Elixr?<\/span><\/b> <\/span>
<\/span><\/span><\/span><\/span><\/p>- At Elixr, you will enjoy a robust rewards package which includes: <\/span><\/span><\/span>
<\/li>- <\/span><\/span><\/span><\/span><\/span><\/span><\/span>Opportunity to work on various projects of various sizes. <\/span><\/span><\/span>
<\/li>- Competitive salary. <\/span><\/span><\/span>
<\/li>- Group Insurance. <\/span><\/span><\/span>
<\/li>- Learning and development programs, training, career opportunities. <\/span><\/span><\/span>
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<\/div><\/span> - <\/span><\/span><\/span><\/span><\/span><\/span><\/span>Opportunity to work on various projects of various sizes. <\/span><\/span><\/span>
- Work Timings:<\/span><\/b> <\/span>Primarily aligned to UK hours; however, a 9:00 AM to 6:00 PM schedule can also be considered.<\/span>