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Maharashtra (+4 Others) · On-site · 3-6 Yrs · Oct 16
3 views
1 open role0 posted in 7d1 in 30d
Hiring: Engineering
Job description
Overview
Location: Mumbai (On-site)
Responsibilities
- The MERN Full Stack Developer will be responsible for designing, developing, and maintaining scalable web applications using the MERN stack, with a strong focus on data-intensive systems. The role requires expertise in working with large datasets, queues, schedulers, and containerized infrastructure, along with robust logging, tracing, and monitoring practices.
- Design, develop, and maintain end-to-end web applications using MongoDB, Express.js, React.js, and Node.js.
- Model, query, and optimize data across** MongoDB (expert level) and PostgreSQL **for high-performance read/write operations on large datasets.
- Implement and maintain asynchronous processing using Kafka-based queues and Bull job schedulers.
- Build, containerize, and deploy services using Docker and Kubernetes (K8s), ensuring scalability, reliability, and efficient resource utilization.
- Implement comprehensive logging, tracing, and application monitoring to ensure observability, quick incident resolution, and performance optimization.
- Collaborate with product, backend, and DevOps teams to define technical solutions and deliver features end-to-end.
- Write clean, maintainable, and testable code, and participate in code reviews to uphold code quality standards.
Qualifications
- 3+ years of hands-on experience as a MERN Stack / Full Stack JavaScript Developer.
- Strong proficiency in JavaScript/TypeScript with solid experience in React.js (front end) and Node.js/Express.js (back end).
- Expert-level experience with MongoDB, with strong skills in schema design, indexing, and performance tuning; working experience with PostgreSQL.
- Practical experience with Kafka (or similar distributed messaging systems) and Bull (or similar job scheduling libraries).
- Experience containerizing applications with Docker and deploying/managing them on Kubernetes (K8s).
- Proven experience working with large datasets, including performance optimization and troubleshooting.
- Hands-on experience in setting up and using logging, tracing, and monitoring tools for Node.js / React-based applications.
- Familiarity with Git-based workflows and Agile development practices.
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Job application FAQ
Last updated 28 October 2026
- How do I apply for MERN FullStack Developer at Toadster?
- Open this job on Feedback AI and sign up free (or sign in). You can apply from the job detail page; match scores and skill gaps appear when your profile is complete. Toadster may attach structured assessments to interview rounds after you apply.
- Does Feedback AI show a match score for this MERN FullStack Developer role?
- Yes after you add a resume or skills. Match score ranks this role against your profile — skills met, gaps, level, and location — so you prioritise applications where fit is strongest.
- Is MERN FullStack Developer remote or on-site in Maharashtra (+4 others)?
- This listing is marked on_site with location Maharashtra (+4 others). Confirm details on the job description before applying.
- What skills matter for this MERN FullStack Developer role at Toadster?
- This is a mid-level MERN FullStack Developer role. Key skills include skills listed in the job description. Feedback AI highlights matched vs missing skills on your profile after signup.