React.js
NodeJS (Node.js)
MongoDB
HTML/CSS
Express
JavascriptWe are looking for a MERN Stack Developer with 2+ years of real-world experience who thinks beyond CRUD APIs and UI screens. This role is for someone who understands how full-stack systems are designed, cares about scalability, performance, security, and clean architecture, and takes ownership of features end-to-end.
We value ownership, speed, clean code, and smart problem-solving. If you enjoy building products from scratch, thinking in systems, and shipping meaningful features—not just “finishing tasks”—this role is for you.
🧠 Key Responsibilities
- Design, develop, and maintain full-stack applications using MongoDB, Express, React, and Node.js
- Build scalable and maintainable backend APIs with proper validation, error handling, and security
- Develop clean, reusable, and performant React components
- Design database schemas and optimize queries for performance and scalability
- Translate product and business requirements into solid technical solutions
- Design frontend and backend architecture that can scale as the product grows
- Handle authentication, authorization, roles, and permissions
- Work with async operations, background jobs, and API integrations
- Manage application state properly (React state, context, or state libraries)
- Handle edge cases: loading, failure states, retries, and fallbacks
- Write clean, readable, and well-structured JavaScript / TypeScript code
- Follow and continuously improve coding standards and best practices
- Debug production issues using logs, reasoning, and root-cause analysis
- Review PRs, give constructive feedback, and contribute to team learning
- Work with designers to deliver good UX, not just “working UI”
- Collaborate closely with QA, design, and product teams
- Think ahead—identify technical debt, performance bottlenecks, and improvement areas
- Use AI tools responsibly to speed up development, debugging, and learning (with understanding)
✅ Qualifications Must Have
- 2+ years of hands-on experience with the MERN stack
- Strong knowledge of JavaScript and TypeScript, including OOP concepts
- Solid experience with Node.js & Express
- Hands-on experience with MongoDB, schema design, indexing, and aggregation
- Experience building and consuming REST APIs
- Strong understanding of async/await, promises, event loop
- Knowledge of HTML, CSS, responsive design (Tailwind / Bootstrap preferred)
- Experience with React hooks, component lifecycle, and state management
- Use React performance optimizations such as: React.memo useCallback, useMemo
- Implement code splitting and lazy loading using dynamic imports
- Work on or understand micro-frontend architecture and module federation
- Experience handling authentication (JWT, sessions, OAuth)
- Familiarity with Git, code reviews, and basic CI/CD concepts
- Exposure to real production issues (performance, bugs, scaling, failures, debugging)
Good to Have (Big Plus)
- Knowledge of Next.js or server-side rendering concepts
- Experience with Redis, queues (kafka, rabbitmq), or background jobs
- Experience with Docker, cloud deployments, or Nginx
- Understanding of performance tuning and lazy loading
- Experience working in a startup or fast-paced environment
❌ Who Should Not Apply
Please do not apply if:
- You only focus on “closing tickets” without questioning why something is being built
- You lack strong JavaScript fundamentals (arrays, objects, async/await, promises, event loop)
- You mostly copy-paste code without understanding it
- You never think about edge cases, failures, retries, or resilience
- You depend heavily on others for architecture or technical direction
- You avoid responsibility and say things like:
- “Frontend issue”
- “Backend issue”
- “It was already like this”
- “QA didn’t catch it”
- You are not comfortable explaining your code, decisions, or design choices
- You expect exact step-by-step instructions for every task
- You are not interested in learning and improving as a full-stack engineer
👉 This role is not for task executors.
We want problem solvers, thinkers and owners.
Shubham Vishwakarma
Full Stack Developer - Averlon
About Saeculum Solutions Pvt Ltd
About
Saeculum Solutions Pvt Ltd is an emerging company and is always looking to hire fresh enthusiastic talents to join our growing team. We believe in delivering the best services to our clients and therefore we only hire talents who are all-rounders and who say “All-is-Well” to all projects. So, if you share the same passion and vision, join our team today..!
Tech stack
React.js
React NativeHTML/CSSJavascript
AngularJS (1.x)MongoDBExpress
.NETNodeJS (Node.js)
iOS App DevelopmentCandid answers by the company
- Web Application Development
- Mobile Application Development
- Hire Dedicated Developers
- Front-end Development
- SaaS Product Development
- UI / UX Design
- CMS Development
- QA & Software Testing
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Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon