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Role at a glance
You will
Lead React architecture and development; assess API, backend, and data dependencies, explain trade-offs, and align implementation with the…
Enforce coding standards, design patterns, and pragmatic SOLID, DRY, KISS, and Clean Code practices
Own frontend performance, security, accessibility (WCAG), scalability, and production-readiness checks
Experience
8+ years
Must-have skills
AgileCSSGitHTMLJIRAJavaScript
Work mode
On-site
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Job description
Location: Goa, India
This position leads React.js application development and support through hands-on engineering, architectural ownership, code quality, mentorship, and cross-functional collaboration with product, UX, backend specialists, and clients to deliver secure, accessible, scalable, high-performance applications. You will own technical decisions and production readiness through spec-driven development (SDD) and responsible AI-assisted delivery. You will independently implement, review, test, debug, and correct human- and AI-generated code. Experience with AI tools is preferred, not mandatory.
Responsibilities:
Lead React architecture and development; assess API, backend, and data dependencies, explain trade-offs, and align implementation with the existing architecture
Enforce coding standards, design patterns, and pragmatic SOLID, DRY, KISS, and Clean Code practices
Own frontend performance, security, accessibility (WCAG), scalability, and production-readiness checks
Plan React and framework upgrades, including compatibility checks, testing, and rollout
Lead SDD with product, business analysis, UX, and engineering: clarify requirements, measurable acceptance criteria, edge cases, and non-functional needs; review plans and tasks, follow approval gates, and align specifications, code, and tests
Build reusable, responsive, mobile-first, cross-browser React interfaces from UI/UX designs
Debug browser, API, service, and deployment issues using logs, traces, and reproducible tests; validate AI-proposed fixes and make targeted corrections
Ensure unit, component, integration, and end-to-end tests cover acceptance criteria, negative paths, authorization, and non-functional needs; independently verify generated assertions and enforce CI/CD quality and security checks before merge
Coordinate cross-functional delivery, dependencies, and risks; seek specialist review beyond personal expertise
Engage clients on requirements, technical decisions, delivery trade-offs, technical discussions, and issue resolution
Review human- and AI-generated changes for business logic, specification alignment, security, maintainability, dependencies, and test adequacy; approve only explainable, validated changes and provide actionable feedback
Guide approved AI workflows with repository context, constraints, and reviewable increments; protect confidential data and credentials, respect agent permissions, and mentor developers in SDD, validation, and continuous improvement
As a Tech Lead, your additional responsibilities will be:
Serve as the React.js expert for the team
Establish code-review practices across the team
Drive knowledge sharing across the frontend team
Stay current with frontend technologies and industry best practices
Technical Qualifications:
Experience in REST API integration and review, covering contracts, validation, authentication, authorization, business rules, and error handling, with practical Node.js/TypeScript or equivalent backend capability to trace issues and make targeted corrections
Expertise in React.js, including functional components, hooks, context, and performance optimization; strong TypeScript, JavaScript (ES6+), HTML5, CSS, and modern styling skills
Experience with Jest/Vitest, React Testing Library, and integration/end-to-end equivalents, with the ability to assess test quality beyond passing results
Experience with Redux, Zustand, or equivalent state management, and sound component and application design
Experience in accessible, responsive, mobile-first, cross-browser development
Experience with Git, focused pull requests, and peer review, including versioning specifications and implementation artifacts and linking code and tests to acceptance criteria
Experience in technical leadership across architecture, reviews, mentoring, and cross-stack delivery coordination
Experience in specification-based delivery using acceptance criteria, plans, and review gates, and in Agile/Scrum with Jira or equivalent tools
Experience in logging and frontend monitoring with Sentry, Application Insights, Datadog, or equivalent tools for production troubleshooting
Understanding of CI/CD, environment configuration, secrets, deployment validation, and rollback; familiarity with micro-frontends and cloud-hosted frontend deployment on AWS, Azure, or GCP is a plus
Knowledge of npm/Yarn, Vite/Webpack, linting, and dependency management
Working knowledge of SQL and relational databases, including relationships, constraints, transactions, indexes, and migrations; ability to review queries and data access for integrity, performance, and safe parameters, seeking specialist support when needed
Familiarity with Next.js or a similar React framework is a plus; familiarity with Angular, Vue.js, or other JavaScript frameworks is desirable
Familiarity with AI-assisted coding, testing, and documentation using GitHub Copilot, Cursor, Claude Code, or equivalent tools is preferred, including providing context and guardrails, challenging output, correcting generated code, and following approved-tool, confidentiality, credential, dependency, and agent-permission policies; Spec Kit or equivalent SDD tooling is desirable
Personal Skills:
Translate business needs into practical solutions; identify ambiguities, missing acceptance criteria, edge cases, and unsupported assumptions
Evaluate alternatives and challenge AI recommendations using engineering principles and validation evidence
Explain technical details, decisions, risks, and trade-offs clearly in spoken and written English to technical and non-technical stakeholders
Learn quickly, take ownership, mentor constructively, and manage competing priorities independently and collaboratively
Education and Work Experience:
CS, IT, or related scientific background preferred
Over 8 years of relevant experience or equivalent education and experience, with React delivery and technical leadership. Demonstrate architectural judgment, debugging, correction of unfamiliar/generated code, and acceptance-criteria validation through project evidence or a practical exercise
This page is for Indian job seekers preparing for JavaScript interviews, from freshers facing their first technical round to experienced developers targeting product companies. It covers 60 questions in three levels: easy questions on core language basics, medium questions on closures, this, promises and the event loop, and hard questions on polyfills, performance and tricky edge cases. Each answer is written the way a strong candidate would say it, with short code you can run in the browser console or Node. Read the answer, try the code, then explain it aloud in your own words.
Questions you may be asked
What is the difference between var, let and const?
What are the primitive data types in JavaScript?
What is the difference between == and ===?
What is the difference between null and undefined?
