MOHALI · FULLTIME
Sr. Full Stack Developer
Wits Innovation Lab
Mohali · onsite · Posted 22d ago
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Undisclosed4–7 yrsfulltimeMohali
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Section · 01
About this role
Job Summary
Role Overview
Key Responsibilities
Mandatory Technical Skills
Full Stack Developer | Experience: 4+ Years | Location: Mumbai | Role: Full-Time
Role Overview
We are looking for a Backend-heavy Full Stack Engineer with 5-6 years of experience in building and maintaining production-grade applications using Node.js, React.js, Express.js, and Strapi. The candidate should have strong backend expertise, good knowledge of frontend development, APIs, databases, system design, security, performance, and production engineering.
Key Responsibilities
- Application Development: Design, develop, test, and maintain scalable web applications using Node.js, React.js, Express.js, and Strapi. Build reusable, maintainable, and secure frontend/backend components and REST APIs. Customize and extend Strapi for enterprise content-management requirements. Develop responsive and accessible React.js interfaces. Participate in requirement analysis, solution design, development, testing, deployment, and code reviews.
- Node.js & Backend Engineering: Design Node.js applications using layered, modular monolith, or service-based architectures. Strong understanding of event loop, asynchronous programming, Promises, async/await, streams, buffers, worker threads, memory management, error handling, and connection pooling. Implement API development, validation, authentication, authorization, logging, caching, rate limiting, timeouts, retries, security, documentation, and automated testing. Troubleshoot event-loop blocking, memory leaks, slow APIs, resource consumption, and application instability.
- High-Traffic Website Engineering: Build applications capable of handling approximately 60 lakh requests/month with higher peak traffic. Develop stateless, horizontally scalable applications. Implement caching, CDN/reverse proxy, compression, asset/image optimization, API and database optimization, pagination, and connection pooling. Define timeout, retry, circuit-breaking, and graceful-degradation strategies. Participate in load, stress, endurance, and capacity testing and resolve performance bottlenecks.
- Strapi & Content Management: Configure, customize, upgrade, and maintain Strapi-based headless CMS solutions. Design content types, components, relationships, workflows, and publishing models. Develop custom controllers, services, middleware, routes, policies, and plugins. Implement RBAC, secure CMS interfaces, media management, versioning, approval workflows, localization, scheduled publishing, and rollback. Integrate Strapi APIs with React applications.
- React.js Frontend Development: Develop reusable React components using JavaScript/TypeScript. Work with React Hooks, routing, state management, forms, and API integration. Optimize frontend performance through code splitting, lazy loading, memoization, bundle optimization, and caching. Ensure responsive, accessible, SEO-friendly, and cross-browser-compatible applications. Handle API failures, validation errors, loading states, and degraded services effectively.
- Observability - OpenTelemetry: Instrument Node.js and frontend applications using OpenTelemetry. Implement distributed tracing, metrics, and structured log correlation. Monitor request rate, error rate, latency, resource usage, event-loop delay, memory, API, and database performance. Use telemetry for production troubleshooting and root-cause analysis while protecting sensitive information.
- Kubernetes Application Development: Prepare applications for Kubernetes-based deployment. Maintain Kubernetes manifests/Helm configurations and configure Deployments, Services, Ingress, ConfigMaps, Secrets, probes, resource limits, HPA, and rolling updates. Ensure graceful startup/shutdown and troubleshoot common Kubernetes issues such as pod restarts, probe failures, OOM, CPU throttling, configuration, DNS, and connectivity issues. Work with DevOps/platform teams on deployments, scaling, and releases. Cluster administration is not mandatory.
- Security & Compliance: Follow secure coding practices and address common web/API vulnerabilities. Implement input validation, output encoding, security headers, rate limiting, authentication, authorization, and audit logging. Secure secrets, credentials, tokens, and certificates. Address findings from SAST, DAST, SCA, penetration testing, and security reviews. Maintain secure and supported application dependencies.
- Production Support & Engineering Excellence: Monitor production health, troubleshoot incidents, and perform root-cause analysis. Analyse logs, metrics, and traces to identify application/dependency failures. Maintain technical and operational documentation. Develop unit, integration, API, security, and E2E tests. Contribute to CI/CD, automated quality gates, releases, rollbacks, and production validation. Mentor junior developers and promote engineering best practices.
Mandatory Technical Skills
- 5-6 years of relevant software-development experience.
- Strong hands-on experience with Node.js, React.js, Express.js, Strapi, and JavaScript ES6+.
- Good knowledge of TypeScript and Node.js internals.
- Strong experience developing and securing REST APIs.
- Knowledge of HTML5, CSS3, responsive design, and browser tools.
- Practical experience with OpenTelemetry and Kubernetes-based environments.
- Experience with Docker, relational/document databases, Redis, Git, automated testing, and CI/CD pipelines.
- Strong understanding of application security, performance tuning, and production troubleshooting.
Sourced from naukri
Section · 02
Skills
DevopsDockerKubernetesDocument DatabasesDNSfull stack developerredisdastsastJavascriptTypescriptReact.JsSEOApplication SecurityPenetration TestingFull StackHTML5CSS3Software DevelopmentcomplianceGIT
Section · Company
About WITS Innovation Lab
Wits Innovation Lab
IT Services & Consulting
125
employees
Los Angeles, California
United States
About
Wits Innovation Lab is the hub of innovative technology that helps you create solutions, products, and services for businesses of all sizes—startups, SMBs, enterprises, and everything in between.
Not only do we help businesses with digital transformation, but we also help them stay ahead of the curve with products in realms like the Internet of Things, Business Intelligence, eCommerce, and more.
Not only do we help businesses with digital transformation, but we also help them stay ahead of the curve with products in realms like the Internet of Things, Business Intelligence, eCommerce, and more.
Industries
IT Services & Consulting
Employee ratings
44 reviews
3.3/ 5
Culture
3.3
Career growth
3.0
Work-life
3.2
Employees rate it well for
Work Culture8Senior Management7Work Life Balance6Learning6Working Hours/shift5
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