Job Description

Company- Crisp Analytics (LUMIQ) - https://lumiq.ai/about-us/

Experience: 5–7 Years
Employment Type: Full-time

Location- Sector-62, Noida


  • Key Responsibilities


  • Design, develop, and maintain scalable web applications using the MERN stack




  • Build high-performance RESTful APIs using Node.js and Express.js




  • Develop clean, reusable, and responsive UI components using React.js




  • Optimize application performance, security, and scalability




  • Write efficient MongoDB schemas, queries, and aggregations




  • Collaborate with Product, QA, and DevOps teams to deliver business outcomes




  • Participate in code reviews, architecture discussions, and tech decisions




  • Own features from requirements to production rollout




  • Troubleshoot production issues and ensure system reliability

    Mandatory Technical Skills -




    • MongoDB – schema design, indexing, aggregation pipelines




    • Express.js – middleware, API security, routing




    • React.js – hooks, state management, component architecture




    • Node.js – async programming, performance tuning




    • JavaScript (ES6+) / TypeScript




    • REST APIs & API security (JWT, OAuth preferred)




    • Git / Version Control




    • HTML5, CSS3, Responsive Design

    Good to Have (Strong Advantage)




    • TypeScript in production environments




    • Redux / Zustand / React Query




    • Microservices architecture




    • Docker & basic Kubernetes exposure




    • CI/CD pipelines (GitHub Actions, Jenkins, etc.)




    • Cloud platforms – AWS / Azure / GCP




    • Unit & integration testing (Jest, Mocha)

    • What We're Looking For




      • 5–7 years of real-world MERN stack experience




      • Product-driven mindset with strong ownership




      • Ability to work independently with minimal hand-holding




      • Strong problem-solving and debugging skills




      • Clear communication and cross-team collaboration




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