MERN Full Stack Developer

🚀 Hiring: MERN Stack Developer

⭐ Experience: 3+ Years

📍 Location: Mumbai ( Andheri East)

⭐ Work Mode:- 5 Days Work From Office

⏱️ Notice Period: Immediate Joiners

(Only immediate joiners & candidates serving notice period)

💡 Interview Mode - Walkin Interview

We are looking for a MERN Stack Developer skilled in MongoDB, Express.js, React.js, and Node.js to build scalable, high-performing web applications.

💫 What We’re Looking For:

✅ Proficiency in React.js, Node.js, Express.js, MongoDB

✅Strong in JavaScript (ES6+), REST APIs, Git

✅Good problem-solving & debugging skills

Job Details

- Job Title: Software Developer (Python, React/Vue)

- Industry: Technology

- Experience Required: 2-4 years

- Working Days: 5 days/week

- Job Location: Remote working

- CTC Range: Best in Industry

Review Criteria

• Strong Full stack/Backend engineer profile
• 2+ years of hands-on experience as a full stack developer (backend-heavy)
• (Backend Skills): Must have 1.5+ strong experience in Python, building REST APIs, and microservices-based architectures
• (Frontend Skills): Must have hands-on experience with modern frontend frameworks (React or Vue) and JavaScript, HTML, and CSS
• (Database Skills): Must have solid experience working with relational and NoSQL databases such as MySQL, MongoDB, and Redis
• (Cloud & Infra): Must have hands-on experience with AWS services including EC2, ELB, AutoScaling, S3, RDS, CloudFront, and SNS
• (DevOps & Infra): Must have working experience with Linux environments, Apache, CI/CD pipelines, and application monitoring
• (CS Fundamentals): Must have strong fundamentals in Data Structures, Algorithms, OS concepts, and system design
• Product companies (B2B SaaS preferred)

Preferred

• Preferred (Location) - Mumbai
• Preferred (Skills): Candidates with strong backend or full-stack experience in other languages/frameworks are welcome if fundamentals are strong
• Preferred (Education): B.Tech from Tier 1, Tier 2 institutes

Role & Responsibilities

This is not just another dev job. You’ll help engineer the backbone of the world’s first AI Agentic manufacturing OS.

You will:

• Build and own features end-to-end — from design → deployment → scale.
• Architect scalable, loosely coupled systems powering AI-native workflows.
• Create robust integrations with 3rd-party systems.
• Push boundaries on reliability, performance, and automation.
• Write clean, tested, secure code → and continuously improve it.
• Collaborate directly with Founders & Snr engineers in a high-trust environment.

Our Tech Arsenal:

• We believe in always using the sharpest tools for the job. On that end we always try to remain tech agnostic and leave it up to discussion on what tools to use to get the problem solved in the most robust and quick way.
• That being said, our bright team of engineers have already constructed a formidable arsenal of tools which helps us fortify our defense and always play on the offensive. Take a look at the Tech Stack we already use.

Review Criteria:

• Strong Software Engineer fullstack profile using NodeJS / Python and React
• 6+ YOE in Software Development using Python OR NodeJS (For backend) & React (For frontend)
• Must have strong experience in working on Typescript
• Must have experience in message-based systems like Kafka, RabbitMq, Redis
• Databases - PostgreSQL & NoSQL databases like MongoDB
• Product Companies Only
• Tier 1 Engineering Institutes (IIT, NIT, BITS, IIIT, DTU or equivalent)

Preferred:

• Experience in Fin-Tech, Payment, POS and Retail products is highly preferred
• Experience in mentoring, coaching the team.

Role & Responsibilities:

We are currently seeking a Senior Engineer to join our Financial Services team, contributing to the design and development of scalable system.

The Ideal Candidate Will Be Able To-

• Take ownership of delivering performant, scalable and high-quality cloud-based software, both frontend and backend side.
• Mentor team members to develop in line with product requirements.
• Collaborate with Senior Architect for design and technology choices for product development roadmap.
• Do code reviews.

Ideal Candidate:

• Thorough knowledge of developing cloud-based software including backend APIs and react based frontend.
• Thorough knowledge of scalable design patterns and message-based systems such as Kafka, RabbitMq, Redis, MongoDB, ORM, SQL etc.
• Experience with AWS services such as S3, IAM, Lambda etc.
• Expert level coding skills in Python FastAPI/Django, NodeJs, TypeScript, ReactJs.
• Eye for user responsive designs on the frontend.

Perks, Benefits and Work Culture:

• We prioritize people above all else. While we're recognized for our innovative technology solutions, it's our people who drive our success. That’s why we offer a comprehensive and competitive benefits package designed to support your well-being and growth:
• Medical Insurance with coverage up to INR 8,00,000 for the employee and their family

Job Description: Principal Engineer (Full Stack Architect)

Job Title: Full Stack Architect

Location: Hyderabad, India

Experience: 15Years to 20 years (4+ years in Enterprise Architecture)

Technology Stack: MERN (MongoDB, Express, React, Node.js), Distributed Systems, Cloud (GCP/Azure), Neo4j, Vector Databases, SQL and NoSQL Databases, Knowledge Graphs.

Industry: Enterprise Software, Large-Scale Distributed Systems, Machine Learning

Job Summary

As a Full Stack Architect, you will play a pivotal role in designing and architecting large-scale distributed systems with a strong focus on the MERN stack (MongoDB, Express.js, React, Node.js). You will lead the design and implementation of enterprise-grade software solutions that leverage cloud infrastructure (GCP/Azure), knowledge graphs (Neo4j), vector databases, and machine learning at scale. In this role, you will work closely with cross-functional teams including data scientists, cloud engineers, and front-end developers to deliver high-performance, secure, and scalable applications.

This role requires a deep understanding of distributed systems architecture, graph databases, machine learning systems, and cloud computing, with a strong focus on building solutions that meet business and technical needs. The ideal candidate will have 12+ years of experience with a proven track record of architecting full-stack systems and leading engineering teams in a fast-paced, innovative environment.

Roles and Responsibilities

Full Stack Architecture: Design, develop, and maintain highly scalable, distributed, and fault-tolerant enterprise applications using the MERN stack (MongoDB, Express.js,

React, Node.js).

Distributed Systems: Architect and design large-scale distributed systems that handle high- volume, low-latency data processing.

Cloud Engineering: Implement and maintain cloud infrastructure solutions on GCP or AWS,ensuring high availability, scalability, and performance.

Knowledge Graphs and Databases: Design and optimize complex data models using Neo4j, vector databases, and other NoSQL solutions to manage interconnected data efficiently.

Enterprise Solutions: Architect and deliver cloud-native enterprise software solutions that meet enterprise-grade security, compliance, and performance requirements.

Data Structure & Algorithms (DSA): Lead by example in writing efficient, high-performance code and optimize software with a strong focus on algorithms, data structures, and system design principles.

Collaboration: Work with engineering, data science, and product teams to translate business requirements into scalable technical solutions.

Mentorship: Mentor junior engineers and foster a collaborative team environment.

Performance Optimization: Ensure system performance, scalability, and reliability throughcode reviews, optimizations, and best engineering practices.

Documentation & Best Practices: Maintain comprehensive architecture documentation and promote engineering best practices across teams.

Mandatory Requirements

Experience: 12+ years of full-stack development experience, with significant expertise

in building and architecting applications using the MERN stack (MongoDB, Express.js,

React, Node.js).

 Distributed Systems: Proven track record of architecting and implementing large-scale

distributed systems with a focus on reliability, scalability, and performance.

 Cloud Expertise: Extensive hands-on experience with cloud infrastructure (GCP or AWS),

with a deep understanding of cloud services such as compute, storage, networking, and

security.

 Database Systems: Expertise in NoSQL databases like MongoDB and graph databases like

Neo4j. Experience with vector databases for high-dimensional data processing.

 Knowledge Graphs: Hands-on experience in designing and working with knowledge graphs

for solving complex data relationships.

 Data Structures & Algorithms: Strong knowledge of DSA with practical experience in

solving complex technical challenges.

 Microservices Architecture: Experience in designing and developing microservices-based

architectures and ensuring high availability.

 DevOps ; Automation: Knowledge of DevOps practices (CI/CD), containerization (Docker), and orchestration (Kubernetes).

 Agile Methodologies: Experience with Agile development methodologies, including SCRUM, TDD, and iterative development.

Nice-to-Have Requirements

 Front-End Expertise: Advanced experience with React.js, with knowledge of modern front- end technologies (Next.js, Redux, TypeScript).

 Cloud Certifications: Google Cloud Professional Architect or Azure Certified Solutions Architect certifications.

 Data Engineering: Hands-on experience with data pipelines, ETL processes, and big data technologies (e.g., Apache Spark, Kafka).

 AI/ML Ops: Experience in deploying machine learning models using MLOps frameworks and automating ML pipelines.

 Graph Analytics: Experience in graph algorithms and analytics, with the ability to model and query complex relationships in a graph database.

 System Design: Experience in conducting system design reviews, providing insights into performance bottlenecks, scalability, and trade-offs.

 Security & Compliance: Knowledge of enterprise-level security protocols and data privacy compliance frameworks (e.g., SOC2, GDPR).

Leadership: Proven experience in leading cross-functional teams, setting technical roadmaps, and ensuring alignment between business and technical goals.

About TechWeirdo:

Techweirdo delivers secure enterprise solutions from SaaS to On-Premise, anywhere, from Application to AI. We offer consultation, services and products to holistically address the digital transformation goals of the enterprises.

We are currently hiring a passionate, product-oriented MERN stack engineer to join a collaborative and innovative team to create technologically challenging, visually delightful, and easy-to-use digital products in a fast-paced environment.

Key Responsibilities:

• Design, build, optimize different modules of scalable applications on MERN stack

• Work closely with architects, business analysts, product managers, QA and UI designers to understand the deliverable and business priorities, UX flow and deliver QA approved, unit-testable solutions

• Collaborate with other members of technical team, delegate tasks, participate in code reviews and find out scope of further optimization

• Appear in project interviews, product roadmap discussions, feasibility analysis and sprint retrospective meetings to help in smooth project delivery as per customer expectation and technological excellence.

Skills/ Role Requirements:

• Strong knowledge of Node.js, Express, Microservices, npm packages

• Reactjs (exposure to Typescript is preferred)

• MongoDB, MySQL or any other Sql database

• Ability to write high quality REST APIs in Nodejs and Express

• Ability to create highly scalable and modular components

• Strong knowledge of using ORMs (Sequelize, mongoose)

• Hands-on experience on deploy, monitor, optimize, load-balance large scale nodejs applications on production

• Experience in serverless architecture either lambda or google cloud functions are a plus

• Hands-on experience on Docker, message queue, Redis, AWS managed services are a plus

• Server-side rendering (Nextjs), knowledge of Unix, shell script, deployment, and code sanitization/optimization (Intermediate)

• Have experience in working on large scale enterprise applications

• Strong understanding of coding best practices, error handling, lazy loading, etc.

• Experience in object-oriented design skills.

• An analytical mind and Problem-solving skills

• Open source contribution, active participation in developer communities, publishing own npm packages are plus

Working with TechWeirdo be like:

1. Surrounded by curious learners: With a Growth Mindset as our core strength, we created a learning environment with curious tech learners.

2. New challenges every day: There is no ordinary day at TechWeirdo, if you like solving problems, then this is the right place for you.

3. Zero micro-management, limited supervision: We encourage our team to take on challenging tasks and solve complex problems by taking ownership of their tasks. We trust our team to take calculated risks.

4. Great networking: You will be connected with c-suite executives of top organizations while working with our winning team.

5. Building technology how you want, when you want: We welcome people who see things differently as they are the one who has ability to change the world.

6. Being heard in every meeting: At TechWeirdo, suggestions are encouraged, initiatives are supported, and opinions and perspectives are valued.

Responsibilities:

Design, develop, and maintain web applications using the MERN stack (MongoDB, Express, React, and Node.js)

Work closely with the team to understand business requirements and deliver solutions

Implement and maintain blockchain-based solutions using various blockchain platforms

Write clean, maintainable, and efficient code

Collaborate with cross-functional teams to ensure the technical feasibility of UI/UX designs

Participate in code reviews and contribute to the development of best practices and standards

Stay up-to-date with the latest web development trends and technologies

Requirements:

2+ years of experience in web development using the MERN stack

Experience with blockchain technology, such as Ethereum, Bsc, Solana,

L2 solutions of Ethereum(Optimisms, Polygon).

Strong proficiency in JavaScript, React, Node.js, and MongoDB

Knowledge of RESTful API/GraphQl design and development

Understanding of Hashing algorithms.

Familiarity with Git, Agile methodologies, and continuous integration and deployment

Ability to work in a fast-paced and dynamic environment

Strong communication and collaboration skills

If you're a highly motivated and experienced MERN Stack Developer with a passion for blockchain technology, we'd love to hear from you!

Job Description

We are looking for an excellent experienced person in the Full-Stack field. Be a part of a vibrant, rapidly growing tech enterprise with a great working environment. As a Full-Stack developer, you will be responsible for the server side of our web applications and you will work closely with our engineers to ensure system consistency and improve your experience. A Full Stack MEAN (MongoDB, Express.js, AngularJS, Node.js) Developer is responsible for developing and maintaining web applications, databases, and server-side systems using the MEAN stack.

Scope of Work:

• Translate Understanding of accessibility and security compliance (Depending on the specific project) 
• User authentication and authorization between multiple systems, servers, and environments. 
• Integration of multiple data sources and databases into one system 
• Understanding fundamental design principles behind a scalable application. 
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform. 
• Creating database schemas that represent and support business processes. 
• Implementing automated testing platforms and unit tests. 
• Ability to work independently and in a team environment 
• Excellent communication and collaboration skills 
• Participate in code reviews and contribute to the team-wide coding standard

Essential Requirements:

• Developing and managing databases using MongoDB, MY SQL, PostgreSQL 
• Developing and designing web applications using Angular4+, Node.js, and Express.js 
• Excellent Knowledge of AWS/GCP – Managed service.
• Familiarity with cloud computing services such as AWS, Google Cloud, or Azure 
• Writing server-side scripts using Node.js. 
• Integrating front-end components with back-end components. 
• Troubleshooting and debugging applications. 
• Optimizing web applications for speed and scalability. 
• Collaborating with cross-functional teams to identify and resolve issues. 
• Good Knowledge of JSON, API, and JWT 
• Good understanding of server-side templating languages 
• Basic understanding of front-end technologies, such as HTML5 and CSS3 
• Proficient understanding of code versioning tools, such as Git 
• Experience of working in an automated environment

Educational Qualifications

• B-Tech-IT/M-Tech -/MBA- IT/ BCA /MCA or any degree in the relevant field
• 
  

Benefits

- 5 Day Working(Saturday and Sunday Off)

- Informal Dress Code

- Compensatory Off

- Laptop Allowance

- Friendly Working Environment

Please Note: This is a work from office, full-time opportunity, please apply only if you can come to the office full time.

​

• Leadership skills
• Lead and grow a team of 10+ developers.
• Self-motivated to keep optimizing and deliver best-in-class results.
• Deep thought and attention to detail.
• Strong technical and communication skills
• Well-versed with the latest tech: AWS, Postgres, Devops, Nodejs, Reactjs

• We are hiring a MEAN/ MERN/ Fullstack Developer for Dehradun location with Ftechiz Solutions.

  
  

• In depth knowledge of NodeJS, ExpressJS/ Mongo DB, Angular Js

• Experience creating front end applications using HTML5, Angular, LESS/SASS.

• Hands on experience with JavaScript Development on both client and server-side.
• Ability to work both independently and in collaborative teams to communicate design and build ideas effectively.
• Able to handle multiple projects and competing deadlines.
• Good understanding of overall web design including basic usability, accessibility, industry standards, architecture, and navigation.
• Excellent communication and Client interaction.

The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code.

Responsibilities :

• Work with development teams and product managers to ideate software solutions

• Maintenance of Node.js Backend

• Working with MongoDB to create various features

• Troubleshoot, debug and upgrade software

• Create security and data protection settings Requirements

• Proven experience as a backend developer in Node.js or similar role

• Experience developing desktop and mobile applications

• Familiarity with common stacks

Requirements :

• Hands on experience building end to end systems

• Minimum 1 yrs of experience with Javascript, Node.js and Mongo.DB

• Good architectural & design skills

• Strong coding, data structures and algorithms

• The ability to own end to end responsibility - right from requirement to release

• The ability to produce bug-free and production grade code

• Experience and fine understanding of cross browser front end development issues

• Exhibit a deep understanding of server virtualization, networking and storage ensuring that the solution scales and performs with high availability and uptime