MERN STACK SENIOR DEVELOPER

When life gives you lemons, we turn them into seamless digital experiences.

Lemon Yellow LLP is looking for a Full Stack Developer Intern, someone who’s passionate about building, learning, and experimenting with code. You’ll collaborate with our developers and designers to turn ideas into real, functional web applications using the MERN stack. If you're eager to dive into the full development lifecycle and ship things that matter, this internship is for you.

Core Responsibilities

• Assist in building end-to-end web applications using MERN (MongoDB, Express.js, React.js, and Node.js)
• Transform UI/UX designs into responsive, accessible front-end components
• Write and test basic REST API endpoints
• Support feature development and contribute to bug fixes
• Document code and follow standard Git workflows
• Observe and learn from code reviews, deployment flows, and team development practices

API & Integration Exposure

• Gain exposure to API integrations and backend data handling
• Assist in connecting third-party tools and services
• Understand user authentication basics like JWT or OAuth

Code Quality & Testing

• Write simple unit tests to validate functionality
• Learn to debug and support in identifying issues and improving performance

Agile Collaboration

• Participate in daily stand-ups, sprint planning, and retrospectives
• Contribute to a collaborative development process through feedback and iteration
• Understand real-world agile workflows and team dynamics

Learning & Growth

• Stay curious and up to date with current trends in web development
• Attend team learning sessions and tech discussions
• Learn under the mentorship of experienced developers

What We Need From You

• Graduate in Computer Science, Software Engineering or a related field
• Basic understanding of JavaScript (ES6+), HTML5, and CSS3
• Exposure to at least one of the MERN technologies through coursework, side projects, or self-study
• Basic knowledge of Git and version control workflows
• Eagerness to learn, take feedback, and build real features
• A portfolio, GitHub profile, or personal projects is a plus

What are we offering?

Experience

• A chance for you to work in a thriving and growing environment. We foster a culture where growth is harmonious and creativity is always appreciated - you grow and you encourage others to do the same.

Exposure

• If you believe in your work, we believe in you. If you think your designs have the power to change the world, we'll help you bring your vision to life and give you the platform to prove it.

Empathy

• We have a carefully curated culture that promotes 2 things: fun & fulfilment. Your welfare - personal, professional, mental, and physical - becomes our responsibility. From Fitness Thursdays to learning sessions, we try to make you laugh & learn.

Who are we?

Lemon Yellow LLP is a user-centered UI/UX design agency, based out of Thane, Maharashtra. With international operations, an experienced mentorship, and a passionate team, we aim to design digital happiness.

You should apply if you believe in making a difference with your designs.

How do you reach us?

Well, after you send in your application, it takes us 2-3 weeks to review it. Sometimes, not often, we might delay just a bit beyond that. This happens when our mailbox is flooded with applications.

We promise we won’t ghost you, you’ll definitely hear from us. In the meantime, feel free to explore our official website.

Responsibilities:

• Develop application modules independently and fix any bugs promptly.
• Perform unit testing for the development work carried out
• Act as a mentor to the junior resources and provide technical guidance.
• Build scalable and secure video conferencing platforms using WebRTC
• Integrate AI-based chatbots, real-time messaging, and WebSocket channels
• Troubleshoot problems and provide solutions.
• Conduct and participate in project planning & scheduling, design discussions, and provide assistance during testing.
• Remain up to date with the modern industry practices involved in designing and developing high-quality software.
• Ability to perform engineering and identify and fix bottlenecks.

Must Have:

• Must have at least 5+ years of experience in MERN Stack development.
• Strong expertise in Nodejs, ReactJs, and MongoDB

       ●  Must possess strong analytical skills to be able to break down complex problems into

smaller atomic units of work.

• Good knowledge of Express.js & JS libraries.
• Experience with WebRTC for video conferencing solutions
• Proficiency in real-time communication using Socket.IO/WebSockets
• Hands-on with AI chatbot integration or NLP-powered UI interactions
• Sound understanding of microservices architecture.
• Team Handling experience for at least 2 years. 
• Excellent grasp of data structures and designing and developing Rest APIs.
• Good skills in NoSQL (MongoDB or equivalent).
• Experience in developing responsive web applications.
• Willingness to learn and adopt new technologies in a short period as required by

the project.

• Sound understanding of Agile and Scrum methodologies and ability to participate in Sprint

ceremonies.

Job Title : Senior MERN Stack Developer with Blockchain Expertise

Location : Indore, MP

Experience : 2-5 years

Job Type : Full-time, On-site

We're seeking a seasoned Senior MERN Stack Developer with a strong focus on blockchain technology to join our innovative team in Indore. As a Senior MERN Stack Developer, you'll play a pivotal role in crafting and implementing cutting-edge blockchain solutions using the MERN stack. Your expertise will contribute to the development of secure, scalable, and decentralized applications. If you're passionate about blockchain technology, possess extensive MERN stack experience, and thrive in a collaborative environment, we encourage you to apply and be a key player in our transformative projects.

Requirements :

- Proven experience as a Full Stack Developer with a specialization in blockchain technology.

- Proficiency in the MERN stack (MongoDB, Express.js, React, Node.js).

- Experience with major blockchain platforms such as Ethereum, Hyperledger, or similar.

- Solid understanding of smart contract development and implementation.

- Knowledge of decentralized application (dApp) development.

- Familiarity with cryptography and principles of blockchain security.

- Strong problem-solving and analytical skills.

- Excellent collaboration and communication skills.

Skills :

- MongoDB, Express, Node.js, React.js

- Next.js (knowledge preferred but not mandatory)

- WordPress/Shopify experience (preferred)

- Real-time communication using Socket.IO or WebRTC (preferred)

- GraphQL API development

- Experience with integrating payment gateways

If you're ready to take on exciting challenges and contribute to groundbreaking projects, apply now and join us in shaping the future of blockchain technology.

About Us:

At Sublime Data Systems, we are dedicated to creating scalable, enterprise-level software solutions that drive innovation and growth. We are seeking an experienced Fullstack Engineer to join our dynamic team. As a core member of our cross-functional unit, you will play a pivotal role in the entire development life cycle, from conception to deployment. Your leadership will be essential in mentoring and guiding our team towards excellence. If you are passionate about coding, thrive in an entrepreneurial environment, and possess expertise in front-end and back-end technologies, we would love to meet you.

Key Responsibilities:

• Architect and develop robust, scalable, and efficient web applications using Node.js and React.js.
• Lead a team of developers in the design, development, testing, and deployment of high-performance web applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
• Stay up-to-date with emerging technologies and industry trends to drive innovation and excellence in our products.
• Conduct code reviews to ensure code quality and adherence to best practices.
• Mentor and coach team members to foster a culture of continuous learning and growth.
• Troubleshoot and resolve complex technical issues, ensuring seamless application performance.

Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• Minimum of 5 years of experience in full-stack web development.
• Proficiency in Node.js, Express, Nest.js, React.js, and Next.js along with expertise in Typescript.
• Proven experience leading a team of engineers in a fast-paced, agile environment.
• Strong understanding of software development best practices, design patterns, and architectural principles.
• Extensive experience with front-end technologies such as HTML, CSS, and JavaScript.
• In-depth knowledge of RESTful APIs and experience with API integration.
• Expertise in utilizing modern development tools and deploying workflows, such as Git and CI/CD pipelines.
• Familiarity with message broker systems like RabbitMQ.
• Proficiency in databases such as Postgres or MySQL.
• Experience with ORM Frameworks like Sequelize or Typeform.
• Experience with microservices architecture.
• Experience with DevOps (AWS) practices
• Excellent problem-solving and debugging skills.
• Strong communication and leadership abilities.

Benefits:

• Positive work environment
• Encourage and sponsor learning and development programs
• Chance to work with advanced technology

We are looking for a Full Stack Developer to build scalable software solutions and to be part of our cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

You should have

• Degree in Computer Science or relevant field
• Strong knowledge and understanding of JavaScript and TypeScript
• Knowledge of multiple frontend languages and frameworks including HTML, CSS, SCSS, JavaScript and React.
• Knowledge of backend languages and frameworks primarily Node.js
• Familiarity with SQL databases (e.g. PostgreSQL)
• Knowledge of Docker, Kubernetes would be a plus.
• Leadership skills for guiding and mentoring team mates.
• Understanding of CI/CD Concepts
• Awareness of key concepts in DevOps and Agile principles

Perks

• Flexible working hours - employee tracking is never a thing
• A fun and close-knit agile team.
• Open office layout that promotes collaboration, conversation, and camaraderie – the result-oriented team.
• Recreational activities to keep you away from the screen and live, laugh, enjoy with the team.

Acrobyte Technologies, founded by an IIT Delhi alumni, has been Actively Learn's technology partner for over six years. Actively Learn is an educational technology company, based out of Seattle, USA, founded by a Harvard educated former Microsoft director and an education PhD who also founded a private school in Virginia.

We’ve built a digital, award-winning, reading platform, backed by the Bill and Melinda Gates Foundation and the National Science Foundation, that is used in over 45,000 schools and by 150,000 teachers in the USA and overseas. Actively Learn is part of Achieve3000, a leading education platform that provides differentiated reading and instruction with over 2 million students using the platform. Actively Learn also serves as the innovation arm, leading new technology initiatives for the company.

Technology Stack

React JS, Typescript, Backbone JS, Node JS, C#, .NET, MySql, AWS, Mocha and Chai, JMeter, Neoload Selenium, Katalon.

Job Requirements

• 2+ years JavaScript experience
• 2+ years frontend React JS framework experience
• 1+ years of backend development experience (Node JS, C# dot NET, Java, Python, etc)
• 2+ years relational database experience (MySql, MSSQL, or PostgreSQL)
• Computer Science or related Engineering degree from a top-tier college

Job Highlights

• Do you like solving real life problems using technology? Actively Learn is on a mission to make students read for depth. Come join us on our journey.
• We are a small and skilled team. You will get to learn the complete life cycle of building a successful product.
• Opportunity to play multiple roles on the Engineering team (front-end development, back-end development, testing, devops, automation) and develop those skills.
• We maintain the strictest and highest code quality standards and take pride in that. There will be a huge learning in how to think and write clean code.
• Being an efficient agile company we work on various technologies and part of the role will be to research latest technologies and lead implementation.
• Flexible and fun work environment focused on innovation and creativity. We work out of 91 Springboard, the biggest co-working space in India, which allows for networking and collaboration opportunities.
• Highly competitive salary.
• Opportunity to travel to USA and work closely with the Seattle team.

Full-Stack Developer

Are you a cricket enthusiast who also loves to build world-class
technology products?

CricHeroes is looking for an All Rounder Full Stack Developer, who is passionate about scaling up India's one of a kind niche B2C platform and the pulse of the nation - Cricket!

This might be a great opportunity for you if

• You are an action and result oriented highly driven person who aspires to be part of a team that is scaling up a successful B2C product.
• You are an analytical problem solver with strong Node.JS knowledge and a passion for teamwork and innovation
• You have hands-on experience in designing and developing applications and object-oriented analysis and design using common
• design patterns.

Who are we?
CricHeroes is the world's largest Cricket Network with more than 7 Million
users. It helps local cricketers showcase their talent, get recognition and
improve their game with data.

What are we looking for, in you?

• You are an ambitious problem solver who is constantly learning and
• updating yourself with the latest technology and an expert in
• technology development.
• In-depth knowledge of Node.js and used it for product development in a B2C fast-paced product company for 2-6 years
• Strong analytical skills and problem-solving aptitude
• Attention to details
• You have demonstrated a track record in delivering ambitious targets.
• You believe in teamwork.
• You have a Bachelor's degree in Computer Science (or Equivalent).
• Mandatory Technical background: Node.js, Javascript, MySQL, MongoDB, Redis
• Preferable skills in AWS, Big Data, Analytics, Google Cloud.

What are we looking for, from you?

• You will write well-designed, testable, efficient code.
• You will ensure the code and designs are in compliance with specifications as developed.
• You will prepare and produce releases of the software platform and support continuous improvement by investigating alternatives and technologies.
• Work as part of a team developing applications and services using Agile development methods
• Contribute to team and organizational improvements in process and infrastructure
• Build customer-facing UI and back-end services
• Code, test and operate node.js based services
• Effectively use tools and ingenuity to identify and fix defects before they become a problem
• A good Stackoverflow profile is a big plus.

We are made in India by the passionate cricketers for the passionate cricketers of the world!

If this excites you and you want to be part of our team to help us win the
scores by building a one-of-a-kind app for all the cricketers around the
world, please apply here.

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

The Candidate should have knowledge and experience with specified technologies:

• Great at building server-side code in NodeJs & ExpressJs
• Experience with NoSQL databases such as MongoDB
• Experience in building and consuming REST API
• Authentication and authorisation using JWT tokens
• Proficient understanding of code versioning tools, such as Git
• DevOps knowledge especially in AWS EC2 and S3
• Knowledge of headless Chrome, Puppeteer will be huge plus
• Experience in HTML, CSS
• Understanding of React will be a bonus

Rawster is the digital interface for real life sports.
An early-stage startup that's set on blurring the line between Sports and E-sports.

Position

Full Stack Engineer (MERN stack)

Eligibility Criteria

• Minimum one year of working experience
• Must have skills : Experience in working with Full Stack Applications
• Exceptions can be made if proof of skill exists.

We are looking for a Full Stack JavaScript and NoSQL Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include implementing visual elements and their behaviors with user interactions. You will work in both front-end and back-end web development to build all client-side logic. You will also be bridging the gap between the visual elements and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and functions. Build reusable code and libraries for future use

Development stack

Reactjs

React Native (Typescript)

Node.js

Koa.js/Express.js

MongoDB with Mongoose

PostGreSQL with knex

Remuneration : Based on skill and expertise,

ranging from* 5 to 11 Lakhs Per Annum*

You can expect..

• to play a role in the revolutionisation of Sports.
• a passionate and fast moving work culture; We are a tight-knit team.
• to experience the Victories and Struggles of an early-stage startup.
• to learn and grow with the team.
• competitive salaries and benefits.

Responsibilities and Duties

• Ensure the technical feasibility of UI/UX designs
• Optimize applications for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end services
• Manage server side javascript code.
• Ensure performance, security, and availability of database
• Handle common database procedures such as upgrade, backup, recovery, migration, etc.
• Profile server resource usage, and optimize and tweak as necessary
• Collaborate with other team members and stakeholders
• Adaptability, ability to learn faster, Independant, Responsible and diligent
• Good team spirit and interpersonal skills, excellent written, verbal, communication skills, analytical skills and business thinking.

Qualifications and Skills

• Strong understanding of JavaScript, its quirks, and workarounds
• Basic understanding of web markup, including HTML5 and CSS3
• Experience with advanced CSS programming using LESS or SASS.
• Strong understanding and experience in libraries React.js and React Native
• Strong understanding and experience in Node.js and other server side technologies.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Proficient understanding of cross-browser compatibility issues and ways to work around such issues
• Familiarity with front-end build tools, such as Grunt and Gulp.js
• Strong proficiency with NoSQL e.g MongoDB. Knowledge of SQL DBMS is a bonus.
• Ability to plan resource requirements from high level specifications
• Capable of troubleshooting common database issues
• Familiar with tools that can aid with profiling server resource usage and optimizing it
• Proficient understanding of code versioning tools, such as Git

Job Type: Full-time

Salary: ₹500,000.00 to ₹1,100,000.00 /year

Designing, architecting and developing the backend and APIs, primarily using the MEAN/MERN stack, for products or platforms for end-clients to consume our technology in Infrastructure Monitoring from Satellite Imagery and Robotic Process Automation in Banking and Mortgage Services.

- Interfacing with the customer, tech team members, project managers and other relevant product people for a thorough understanding of the product, use case and business objective, detailed specification and data flow for the requirement, demonstration of the solution and clarification of queries at appropriate times during the life-cycle of the product.

- Preparing test cases, setting up CI/CD and integration with logging and monitoring systems for the products or platforms 

- Seeking customer feedback to continuously optimize the product for great customer experience and high technical performance in areas such as hardware efficiency, latency and throughput

- Delivering a robust backend platform for the products and platforms by incorporating important considerations regarding minimal downtime, high availability, data redundancy, tight security, etc. into the design