MERN Developer

Role Overview

We are looking for a Senior Full Stack Developer in India with strong hands-on experience across frontend and backend development to deliver high-quality, scalable solutions for global clients.

This role requires deep technical expertise, the ability to work independently on complex requirements, and strong collaboration with global delivery teams across regions. You will contribute to technical decision-making, mentor team members, and ensure solutions meet enterprise-grade standards.

Key Responsibilities

Full Stack Development

• Design, develop, test, and maintain robust and scalable full stack applications
• Work across frontend and backend layers depending on project demands
• Deliver clean, maintainable, and performance-optimized code

Technical Contribution & Quality

• Contribute to technical and architectural decisions
• Ensure applications meet requirements for security, performance, reliability, and scalability
• Participate actively in code reviews and technical discussions

Delivery & Collaboration

• Work closely with Product, UX, QA, DevOps, and global delivery teams
• Participate in agile ceremonies including sprint planning, reviews, and retrospectives
• Communicate effectively with Delivery Managers and project stakeholders on progress, risks, and dependencies

Mentoring & Team Enablement

• Mentor junior and mid-level developers on coding, testing, and design best practices
• Support your project team and the wider engineering community through knowledge sharing
• Contribute to continuous improvement of development standards and practices

Continuous Learning & Improvement

• Stay current with evolving technologies, frameworks, and engineering practices
• Participate in POCs, technical evaluations, and learning initiatives
• Actively contribute to improving tools, processes, and delivery approaches

Required Qualifications & Experience

• BE, ME/MTech, MCA, MSc, or equivalent degree-level education
• 5-10+ years of hands-on experience as a Full Stack Developer
• Strong experience working in client-facing, delivery-oriented environments
• Proven experience working in agile development teams
• Ability to work effectively with distributed/global teams

Technical Skills

Frontend

• Angular 16 (preferred) or React (can convert to Angular)
• TypeScript, JavaScript, HTML5, CSS / SCSS, Tailwind CSS
• Advanced state management and frontend performance optimization

Backend

• Java (Spring Boot preferred) or Node.js
• RESTful APIs and microservices architecture
• Unit testing and mocking frameworks (JUnit, Mockito)
• Asynchronous and event-driven messaging

Data & Integration

• Strong experience with SQL and/or NoSQL databases
• Database schema design, data modeling, and query optimization
• Experience with enterprise integrations, message queues, and event-driven systems

DevOps & Engineering Practices

• CI/CD pipelines and version control (Git)
• Automated testing (unit, integration, frontend and backend)
• Understanding of deployment, monitoring, and operational reliability

Professional & Behavioral Skills

• Strong problem-solving and analytical mindset
• Clear verbal and written communication skills in English
• Ability to work independently, manage priorities, and meet delivery timelines
• Commercial awareness in client delivery and project execution
• Strong collaboration and team-oriented approach

Nice to Have

• Open-source contributions (GitHub, npm/Maven publishing)
• Experience with technical POCs, R&D initiatives, or innovation projects
• Participation in tech communities, mentoring programs, or knowledge forums
• Relevant certifications or advanced technical training

About Columbus :

Columbus is a global IT services and consulting corporation with more than 3,000 employees serving our customers worldwide. We bring digital transformation into your business and position you to thrive far into the future. We offer a comprehensive solution portfolio with deep industry knowledge, extensive technology expertise and profound customer insight. We have proven this through 32 years of experience serving more than 5,000 customers worldwide.

Job Title:Full Stack Developer 

Location: Bangalore, India

About Us:

Meraki Labs stands at the forefront of India's deep-tech innovation landscape, operating as a dynamic venture studio established by the visionary entrepreneur Mukesh Bansal. Our core mission revolves around the creation and rapid scaling of AI-first and truly "moonshot" startups, nurturing them from their nascent stages into industry leaders. We achieve this through an intensive, hands-on partnership model, working side-by-side with exceptional founders who possess both groundbreaking ideas and the drive to execute them.

Currently, Meraki Labs is channeling its significant expertise and resources into a particularly ambitious endeavor: a groundbreaking EdTech platform. This initiative is poised to revolutionize the field of education by democratizing access to world-class STEM learning for students globally. Our immediate focus is on fundamentally redefining how physics is taught and experienced, moving beyond traditional methodologies to deliver an immersive, intuitive, and highly effective learning journey that transcends geographical and socioeconomic barriers. Through this platform, we aim to inspire a new generation of scientists, engineers, and innovators, ensuring that cutting-edge educational resources are within reach of every aspiring learner, everywhere.

Role Overview:

As a Full Stack Developer, you will be at the foundation of building this intelligent learning ecosystem by connecting the front-end experience, backend architecture, and AI-driven components that bring the platform to life. You’ll own key systems that power the AI Tutor, Simulation Lab, and learning content delivery, ensuring everything runs smoothly, securely, and at scale. This role is ideal for engineers who love building end-to-end products that blend technology, user experience, and real-time intelligence.

Your Core Impact

• You will build the spine of the platform, ensuring seamless communication between AI models, user interfaces, and data systems.
• You’ll translate learning and AI requirements into tangible, performant product features.
• Your work will directly shape how thousands of students experience physics through our AI Tutor and simulation environment.

Key Responsibilities:

Platform Architecture & Backend Development

• Design and implement robust, scalable APIs that power user authentication, course delivery, and AI Tutor integration.
• Build the data pipelines connecting LLM responses, simulation outputs, and learner analytics.
• Create and maintain backend systems that ensure real-time interaction between the AI layer and the front-end interface.
• Ensure security, uptime, and performance across all services.

Front-End Development & User Experience

• Develop responsive, intuitive UIs (React, Next.js or similar) for learning dashboards, course modules, and simulation interfaces.
• Collaborate with product designers to implement layouts for AI chat, video lessons, and real-time lab interactions.
• Ensure smooth cross-device functionality for students accessing the platform on mobile or desktop.

AI Integration & Support

• Work closely with the AI/ML team to integrate the AI Tutor and Simulation Lab outputs within the platform experience.
• Build APIs that pass context, queries, and results between learners, models, and the backend in real time.
• Optimize for low latency and high reliability, ensuring students experience immediate and natural interactions with the AI Tutor.

Data, Analytics & Reporting

• Build dashboards and data views for educators and product teams to derive insights from learner behavior.
• Implement secure data storage and export pipelines for progress analytics.

Collaboration & Engineering Culture

• Work closely with AI Engineers, Prompt Engineers, and Product Leads to align backend logic with learning outcomes.
• Participate in code reviews, architectural discussions, and system design decisions.
• Help define engineering best practices that balance innovation, maintainability, and performance.

Required Qualifications & Skills

• 3–5 years of professional experience as a Full Stack Developer or Software Engineer.
• Strong proficiency in Python or Node.js for backend services.
• Hands-on experience with React / Next.js or equivalent modern front-end frameworks.
• Familiarity with databases (SQL/NoSQL), REST APIs, and microservices.
• Experience with real-time data systems (WebSockets or event-driven architectures).
• Exposure to AI/ML integrations or data-intensive backends.
• Knowledge of AWS/GCP/Azure and containerized deployment (Docker, Kubernetes).
• Strong problem-solving mindset and attention to detail.

• Architect and Develop: Design, implement, and maintain high-performance backend services using Java/Golang and intuitive frontend interfaces using React.
• Technical Leadership: Provide technical guidance and mentorship to junior developers, promoting best practices and fostering a collaborative environment.
• Code Quality: Write clean, efficient, and well-documented code following industry best practices and coding standards.
• Collaboration: Work with backend developers, frontend developers, product managers, and other stakeholders to gather requirements and deliver robust solutions.
• Performance Optimization: Identify and address performance bottlenecks and scalability issues.
• Debugging and Troubleshooting: Diagnose and resolve complex issues in both backend and frontend components.
• Testing: Implement comprehensive testing strategies, including unit tests, integration tests, and end-to-end tests.
• Continuous Learning: Stay current with the latest industry trends, technologies, and best practices in full stack development.

We are seeking an experienced Full Stack Developer with a strong background in React.js, JavaScript, TypeScript, and Node.js.

As a member of our development team, you will be responsible for designing, developing, and maintaining our web applications, ensuring high-performance and responsiveness across the entire software stack.

Responsibilities:

• Collaborate with cross-functional teams to understand requirements and develop innovative solutions using React.js, JavaScript, TypeScript, and Node.js.
• Design, develop, and deploy scalable and reliable web applications with a focus on usability, performance, and security.
• Write clean, maintainable, and efficient code using industry best practices and coding standards.
• Develop reusable components and libraries for future use.
• Collaborate with UI/UX designers to translate wireframes and mockups into responsive web interfaces.
• Optimize applications for maximum speed and scalability.
• Implement automated testing and continuous integration to ensure code quality and reliability.

Requirements:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5-8 years of professional experience in web development with a focus on React.js, JavaScript, TypeScript, and Node.js.
• Strong proficiency in React.js, including hooks, context API, and component lifecycle.
• Proficient in JavaScript and TypeScript with a good understanding of functional programming concepts.
• Experience with Node.js and building RESTful APIs using Express.js or similar frameworks.
• Solid understanding of web fundamentals such as HTML5, CSS3, and responsive design.
• Experience with version control systems (Git) and collaborative development workflows (GitFlow).
• Knowledge of testing frameworks (Jest, Enzyme, Mocha) and writing unit and integration tests.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills with the ability to work effectively in a team environment.

At least 7 years programming experience, some of them in JS/TypeScript.

 Proven expert level knowledge in BE & FE development (NodeJS, React,

electron, npm/yarn, WebPack).

 Experience with cloud (preferably AWS) and/or micro-services.

 Proven experience mentoring junior developers, defining work procedures and coding conventions.

 Experience working with various databases (preferably more than two).

we are building a professional network for the top 1% of women with a simple mission - more women in leadership positions. we launched in may 2020, and have an early product-market fit (10k paying members, great nps, retention) and strong business signals. we are backed by some of the best investors in india. click https://love.leap.club/" target="_blank">here to read what our members say about us ❤️

our founding team members have previously built zomato, uber, linkedin, facebook, wework. our 0-1 journey is done and we are now ready to scale 🤞

about the role - full stack developer:

• you will work on a disruptive product that is in its early stages.
• you are someone with experience in building products that have significant user base/revenue and robust backend systems running in production catering to real-world users.
• 2+ years of experience in engineering with applied knowledge of restful api design principles and best practices are a must. 
• an ideal candidate would have exceptional application development skills with experience working with nodejs, react, typescript, cloud (aws), mongodb amongst other in-demand technologies.
• having a good understanding of cloud technologies, deployments, backend & frontend end-to-end operations is key for this role.

skills required:

• experience with building and deploying cloud-based backend systems. operating the backend at low latency, high availability, and quality
• experience with developing distributed systems and scalable real-time applications
• excellent programming skills in node.js, react, express.js with a solid understanding of event-driven architecture
• understanding of sql and nosql databases. experience with designing and maintaining scalable databases
• experience with 3rd party libraries and api integrations. eg. stripe, razorpay, etc
• strong problem-solving skills with an understanding of core algorithms and complexity analysis
• solid understanding of operating system fundamentals, networking and concurrency concepts
• experience with aws technologies like lambda, api gateway, beanstalk, ecs, ec2 etc
• experience with docker, kubernetes good to have

why you should work with us:

• you will be part of our founding team and get a front seat view of building a company. we promise a steep learning curve
• work with smart folks who like to have fun and don't take themselves too seriously
• independently lead projects and own your deliverables
• we are generous with esops for folks who treat leap.club like their own company
• 5 day work week, flexible leave policy, health and accidental insurance
• regular offsites and travel to gurgaon (our hq)

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our thesis:

there are 3 critical factors that help us live our best social-professional life -

1. connections & network
2. jobs and opportunities
3. learning & development (courses, coaching etc.)

in the next 5 years, leap.club will transform all three for our members.

• the current-gen platforms have a simple playbook - big networks, feeds, photos, followers/ influencers and monetize through ads. 
• the next gen networks will be smaller/focused and algo driven
• linkedin enables connections, jobs, learning but it's built for scale and not depth.

our goals :

• 2022 - 10,000 members and $1 mil+ annual revenue 
• 2024 - 100,000 members and $10 mil+ annual revenue 
• 2027 - 1,000,000 members and $100 mil+ annual revenue 

We need multiple MEAN stack developers. As a full stack developer, you will be producing scalable software solutions and will be involved in the full software development life cycle, from conception to deployment. You should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. This isn't just another CRUD application. Your challenge will be to deliver a highly-available service on top of a dynamic collection of third-party data sources . Explore the limits of your own resourcefulness by designing human and automated systems that deliver true reliability in an otherwise unpredictable environment.

Tech-Stack: Angular, Node.js, JavaScript, and MongoDB

How You Will Contribute

• Work with the development team to ideate software solutions
• Working through the application development lifecycle to launch
• Conceptualizing, creating and building applications alongside taking designer wireframes and magically turning them into effective code
• Designing user-based interactions through effective front-end architecture
• Develop and manage well-functioning databases and back end applications
• Write effective and scalable APIs
• Leading and developing best practices for Full Stack Developer team
• Developing and designing RESTful services and APIs
• Determining application responsiveness for consumers
• Ensuring company mandate is effectively addressed in technical and developmental aspects
• Create security and data protection settings
• Write technical documentation
• Keeping current with industry trends and developments that can be applied to company needs

Technical Expertise That We Believe Will Make You Successful In This Role

• Min 1 year of experience as a MEAN Stack Developer
• Fluency in CSS, JavaScript and HTML
• Understanding of CSS preprocessors including Sass
• Strong knowledge of building effective APIs in Node.js (Express)
• Proficiency in writing effective Angular components.
• Experience working with MongoDB, Redis and AWS
• Good knowledge of data structures, system design and algorithms
• Bachelor/Master degree in Computer Science
• Soft-Skills That Will Come Handy
• Having a knack for visual design and utility
• Excellent written and verbal communication skills
• Strong attention to detail
• Head for problem-solving
• Having a flexible working style
• Being a team player
• Comfortable with working unsupervised

What We Need

- Solid industry experience

- Hands-on Experience with MEAN((MongoDB, Express.js, AngularJS, and Node.js) full-stack

- Experience in creating front end applications using HTML5, Angular 6x+, LESS/SASS, Bootstrap/Angular Material

- Having decent knowledge in Typescript

- Having experience in building a responsive web design

- Experience with MongoDB and good knowledge in database concepts

- Experience with web frameworks like ExpressJS

- Developing secure Node.js endpoints using Passport, JWT, OAuth, and related technologies.

- Knowledge in Restful API Design

- Experience with Version control systems like GIT and knowledge in GIT branching is necessary.

- Strong object-oriented knowledge in any platform is a plus

Good to Have

- Open Source Contributors (esp. JavaScript to be evident from GitHub)

- Notice period to be less than 30 days

Technical Manager: We are looking for someone who can report to the firm’s chief technology officer, the technical lead is a full-time position that participates in all phases of the project lifecycle and consistently delivers business value to our clients. The technical lead is a leader within our client-facing project delivery team structure and sets best practices, approach and direction for the technical aspects of our practice. The ideal candidate has a passion for the web and higher education and is a champion for Laravel or similar frameworks.  And guide our passionate Software Developers to design, develop robust products. Candidates should be open minded to new solutions, forward thinking and strong ability to adapt. As a Lead, you’ll work closely with our engineers to ensure system consistency and improve user experience. Ultimately, you should be able to lead, develop and maintain functional and stable web applications to meet our company’s needs along with managing the team.

Primary Responsibilities

• Participates in pre-project business development activities including writing proposals, developing price estimates, and delivering pitches for new work. 

• Participates in pre-project business development activities including writing proposals, developing price estimates, and delivering pitches for new work. 

• In partnership with the other technical lead, sets direction for all aspects of our technology practice. 

• Leads and advances our growing Laravel practice. 

• Responsible for various aspects of ongoing support and maintenance engagements. Partners with project managers and web developers to successfully manage these client relationships
  
  

•  Understand requirements & plan the architecture for frontend/backend of the application
• Plan out the contracts & APIs for communication of various components.
• Work on integration of any external libraries and tools as per required by the application needs
• Working with modern tools to make the application more robust, efficient and scalable

• Understands each client’s organizational goals and objectives. 

• Develops lasting relationships with client personnel that foster client ties. 

• Seeks opportunities to increase customer satisfaction and deepen client relationships. 

• Delivers training to client personnel of various skill levels and technical capabilities.

Communication Responsibilities:

•    Delivers engaging, informative and well-organized presentations.
•    Resolves and/or escalates issues in a timely fashion. 
•    Understands how to tactfully communicate difficult/sensitive information.
•    Demonstrates strong interpersonal skills. 
•    Elicits cooperation from a variety of sources including Froogal management and client  

   team  members.

•    Comfortable using teleconferencing and web-based technology to communicate with our 

   Clients.

Other Responsibilities: 

•   Helps team members progress toward their professional development goals.
•   Defines and disseminates technology best practices.
•   Ensures we are proactive in our pursuit of new solutions and innovation within our   

   technology practice. 

•   Advances the firm’s thought leadership, specifically around web technologies, via the    

              mStoner blog, social media outlets and industry events and conferences. 

• Strong understanding of Object-Oriented Programming & its implementation in any programming language. Knowledge of PHP and/or JS is a plus
• Proven industry experience as a Tech Lead
• Experience/Knowledge of microservice architecture
• Fluency and Hands-on Experience on Laravel 5+ PHP Framework (specially working with Eloquent Models/Collections) and/or React/Redux is a plus.
• Excellent knowledge of relational databases such as MySQL and/or NoSql based DB such as MongoDB.
• Experience in JavaScript. Vue JS/React JS is a plus