MEAN Stack Developer

About AiSensy

AiSensy is a cutting-edge WhatsApp-based Marketing & Engagement platform that helps businesses like Skullcandy, Vivo, Rentomojo, Physicswallah, and Cosco grow their revenues via WhatsApp.

• 100,000+ Businesses Empowered with WhatsApp Engagement & Marketing
• 400Cr+ WhatsApp Messages processed annually
• Partnering with top brands to drive 25-80% business revenue growth
• Backed by leading investors like Marsshot.vc, Bluelotus.vc & 50+ Angel Investors

Role Overview

We are looking for a Team Lead – Software Development who can drive high-performing teams, build scalable applications, and contribute to AiSensy's mission of reshaping WhatsApp marketing. If you’re a tech enthusiast with leadership skills and expertise in the MERN stack, this role is for you!

Key Responsibilities

• Technical Leadership – Lead and mentor a team of software engineers, fostering a collaborative and high-performance development culture.
• Scalable Architecture – Design and implement robust, scalable systems to handle millions of messages daily.
• Feature Development – Work closely with product managers, designers, and engineers to define, develop, and enhance new features.
• Code Excellence – Write clean, maintainable, and efficient code while enforcing best practices through code reviews.
• Performance Optimization – Identify and resolve bottlenecks to enhance the performance, security, and reliability of our applications.
• DevOps Collaboration – Work with DevOps to streamline CI/CD, deployment, and monitoring processes.
• Innovation & Learning – Stay updated with the latest industry trends, frameworks, and emerging technologies to keep AiSensy at the forefront of tech.

Qualifications & Skills

• 5+ years of overall experience in software development, with at least 3+ years in a leadership role.
• Expertise in the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Strong JavaScript, TypeScript, and modern frameworks experience.
• Hands-on experience with RESTful API design, database management (MongoDB), and cloud platforms (AWS preferred).
• Deep understanding of software architecture, Agile methodologies, and CI/CD processes.
• Familiarity with containerization tools like Docker & Kubernetes is a plus.
• Strong problem-solving, analytical thinking, and excellent communication skills to work cross-functionally.

Why Join AiSensy?

• Be part of a high-growth startup transforming WhatsApp marketing
• Lead and build next-gen scalable applications
• Work with cutting-edge tech and solve complex challenges
• Ownership & Growth – Take full ownership of projects and scale your leadership impact

If you're a passionate Tech Leader ready to take ownership and build something game-changing, we’d love to hear from you!

key skills : mern

Requirements:

• Academics (10th, 12th and Bachelors) > 80%
• Highly proficient in JS (EReactJS, NodexpressJS)
• Basic knowledge of PostgreSQL/MongoDB is a plus
• Should have expertise in developing data driven, responsive, modern web applications
• Aptitude to continuously learn new languages/concepts. Breadth of knowledge is required
• Strong fundamentals in programming concepts
• Knowledge of web development concepts and databases
• A really strong passion to towards technology
• Entrepreneurial attitude

Roles and Responsibilities:

• Develop, deploy and maintain IIoT platform used by the whole of Company
• Roll out similar IoT systems across the globe
• Understanding the functional domain deeply.

About Us

Zentosys Solutions Pvt. Ltd. is a technology-driven IT services company specializing in modern web and mobile application development. We empower businesses worldwide with innovative, scalable, and efficient software solutions. Be a part of our dynamic team and contribute to building impactful digital products.

Responsibilities

• Develop, maintain, and optimize full-stack applications using modern technologies.
• Implement backend logic using Node.js, TypeScript, and frameworks like Express.js or NestJS.
• Build intuitive, responsive, and high-performance frontend applications using React.js, Next.js, or similar frameworks.
• Design and integrate RESTful APIs and ensure seamless communication between front-end and back-end systems.
• Utilize CI/CD pipelines for automated deployment and continuous integration.
• Manage and optimize cloud infrastructure using AWS services.
• Debug, troubleshoot, and ensure application reliability and performance across the stack.
• Design database schemas and manage MongoDB for efficient data handling.
• Collaborate with cross-functional teams, including DevOps, designers, and product managers, to deliver high-quality solutions.
• Stay updated with the latest technologies, frameworks, and best practices in software development.

Requirements

• Experience: 2+ years in full-stack development.
• Strong expertise in Node.js, TypeScript, and backend frameworks like Express.js, NestJS, or Fastify.
• Proficiency in frontend technologies like React.js, Next.js, HTML5, CSS3, and JavaScript (ES6+).
• Hands-on experience with CI/CD pipelines and tools such as Jenkins, GitHub Actions, GitLab CI, or similar.
• Practical knowledge of AWS services, including EC2, S3, RDS, Lambda, and IAM.
• Experience with database schema design and management using MongoDB.
• Strong problem-solving skills with a logical and analytical approach to challenges.
• Familiarity with Git for version control and collaboration in a team environment.
• Excellent communication and teamwork skills to contribute effectively in a collaborative setting.

Preferred Skills

• Exposure to GraphQL for API development.
• Knowledge of Docker and container orchestration.
• Familiarity with Serverless Framework for deploying cloud-native applications.
• Experience with testing frameworks like Jest, Mocha, or Cypress.
• Understanding of state management libraries like Redux, Zustand, or similar.
• Hands-on experience with Terraform or other infrastructure-as-code tools.

What We Value

• Problem Solvers: Professionals who can tackle challenges with creativity and precision.
• Team Players: Individuals who thrive in a collaborative, dynamic environment.
• Growth Mindset: Developers who are eager to learn, adapt, and grow with the organization.

What We Offer

• Competitive salary in the range of ₹6 LPA to ₹15 LPA based on skills and experience.
• Work on diverse and impactful projects for a global clientele.
• A culture that encourages innovation, professional growth, and skill enhancement.
• Flexible working hours and a healthy work-life balance.
• Exposure to cutting-edge technologies and tools.

Job Type: Full-time

Pay: ₹600,000.00 - ₹1,500,000.00 per year

Benefits:

• Provident Fund

Schedule:

• Monday to Friday

Education:

• Bachelor's (Required)

Experience:

• Full-stack development: 2 years (Required)

Work Location: In person

Expected Start Date: 05/02/2025

Get to Know our Team:

In our Full stack Engineering department, we build the scalable, fault-tolerant systems and APIs that host our core business logic. Our systems cover all major areas of our business: such as TAM SAM, calculator, lead generation, campaign execution & data modeling. Most importantly though, we hire great people and empower them to be successful. Whether it’s building new projects or reimagining our existing business, you’ll make a big impact as part of the Full stack Engineering team.

The Opportunity: 

Swabhav is looking for developers to work on mission critical systems that deal with the designing and development of APIs.

In this Role, you’ll get to

• Lead development of features, experiments, technical projects and complex systems.
• Be a technical architect, mentor, and driver towards the right technology.
• Continue to evolve our architecture and build better software.
• Be a major contributor to our agile and scrum practices. 
• Get involved with software engineering and collaborate with server, other client, and infrastructure technical team members to build the best solution.
• Constantly look for ways to improve our products, codebase and development practices. 
• Write great code and help others write great code.
• Drive Technical decisions in the organization.

What You’ll Need to Succeed

• 3-6 years’ experience under your belt developing performance-critical applications that run in a production environment using Node Js, React Js or Next Js, PostgreSQL.
• Experience in full ownership of the systems involved.
• Hands on experience working with CRM platforms, Third party app integrations or Heavy file processing & Restful APIs.
• You understand that different applications have different data requirements.
• Good understanding of algorithms and data structures
• Strong coding ability.
• You are passionate about the craft of software development and constantly work to improve your knowledge and skills.
• Excellent communication skills.

It’s Great If You Have

• Experience with Scrum/Agile development methodologies.
• Experience building products.
• Core engineering infrastructure tools like Git for source control.

What is Hitwicket?

Hitwicket is a strategy-based cricket game played by over 3 million diverse groups of players across the world!! Our mission is to build the world’s best cricket game & be the first mobile Esports IP from India!!  

We’re a Series A funded Technology startup based in Hyderabad and co-founded by VIT alumni. We are backed by Prime Venture Partners, one of India’s oldest and most successful venture funds - https://primevp.in/">https://primevp.in/

Hitwicket Superstars won the First prize in Prime Minister’s AatmaNirbhar Bharat App Innovation Challenge, a nation-wide contest to identify the top homegrown startups who are building for the Global market; Made in India, for India & the World!

What is next?

With the phenomenal success of our Cricket Game, we are now entering into the world of Football, NFTs & Blockchain gaming! We are assembling a team to join us on our mission to make something as massive as PUBG or Clash of Clans from India. - 

How are we unique?

• 1st Place (Gaming) - Prime Minister’s Atma Nirbhar App Challenge
• Selected among the 'Top Gaming Startups in Asia' for the inaugural batch of Google Games Accelerator program 2018 in Singapore
• Selected among the 'Global Top 10 Startups in Sports Innovation' by the HYPE, UK, competition was held at the University Olympic Games in Taiwan
• "Best App" Award presented by the IT Minister at HYSEA Annual Product Sumit

Our work culture is driven by speed, innovation and passion, not by hierarchy. Our work philosophy is centered around building a company like a 'Sports Team' where each member has an important role to play in the success of the company as a whole.

It doesn't matter if you are not a cricket fan, or a gamer, what matters to us are your Problem-solving skills and your Creativity.

Join us on this EPIC journey and make memories for a lifetime!

Watch us:

https://youtu.be/Q3arlzDf2KY">Hitwicket Superstars Launch - IGDC 2022 - https://yourstory.com/2022/10/keerti-singh-kashyap-reddy--india-cricket-web3-hitwicket">YourStory -  https://play.google.com/console/about/weareplay/">Hitwicket Story - https://youtu.be/K16vvQt6sAM">Ms Keerti Interview on NDTV

https://discord.gg/aTnZswv9">Hitwicket Discord Global Community - https://youtube.com/channel/UCQ_0a_kBzap0nJySx668Ekg">Youtube - https://www.linkedin.com/company/metasports-media/">Linkedin - https://twitter.com/HitwicketGame">Twitter - https://instagram.com/hitwicketsuperstars">Instagram - https://m.facebook.com/HitwicketSuperstarsCricketGame">Facebook - https://www.reddit.com/r/hitwicketsuperstars?utm_medium=android_app&;utm_source=share">Reddit - https://superstars-35181.medium.com/">Medium

• Proven 4+ years of experience in MEAN or MERN stack frameworks
• In-depth knowledge of NodeJS, React Js Express.JS along with the
• JavaScript Development frameworks on both client and server-side
• Skilled in Web App development (React + Redux) with Frameworks like Bootstrap / Material
• Deep understanding of HTML DOM objects, CSS & JavaScript events, and experience in various build tools like NPM / Webpack.
• Proficiency with both consuming, designing, and integrating APIs (RESTful and SOAP) using redux/thunk
• Designing database for a scalable and secure system using NoSQL (MongoDB) or RDBMS (MySQL or PostgreSQL)
• Thorough understanding and relatable experience of Git, repository management, and related workflows.
• Excellent communication and customer interfacing skills
• Should have problem-solving, prioritizing tasks, multitasking abilities
• Experience with CI/CD, DevOps practices

About Tweeny:
We are a team of passionate software Ninjas who design scalable software solutions.

We solve some of the interesting problems for our clients in a variety of sectors. We are also developing our own products where we are seeking bright minds with creative thinking.
We are a fast-paced and young team of fun-loving engineers. For us, work is not just a job but it's a way to grow & learn together while doing what we love.

We are looking to hire on MERN stack position (full stack engineering profile) although if you have worked only on either ReactJS/Native or NodeJS stack, please do apply as well.

We are hiring for a few specific teams at our organization that is building utility and functional web application experiences (as marketplace applications) that solving some interesting problems for remote workforce management.

Requirements:

• 2-5 years of experience working with React JS, Node JS, and other advanced JavaScript libraries and frameworks.
• Ability to understand business requirements and translate them into technical requirements.
• Strong software engineering skills with the proven ability to build, deploy, and maintain a scalable codebase.
• Experience working with remote data using RESTful APIs and JSON.
• Strong understanding of development tools and technologies like ES6, Redux, Immutable, JSX Components, Bootstrap, HTML, CSS, Git, NPM, Express.
• Strong understanding of any build tool like Webpack, Babel, Gulp, or similar.
• Strong affinity for benchmarking and performance optimization.
• Experience deploying applications to the cloud and setting up CI/CD is a plus.
• Experience building container images using tools like Docker is a plus.
• Ability to learn new languages and technologies.
• B.E/B.Tech in Computer Science, Engineering, or a related field.

• Produce clean, efficient code based on specifications
• Integrate software components and third-party programs
• Verify and deploy programs and systems
• Troubleshoot, debug and upgrade existing software
• Recommend and execute improvements for the software development and software delivery life cycle
• Ensure the highest standard of performance, quality, and responsiveness of the applications.

Skills & Qualifications

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. PHP, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Knowledge of AWS Cloud (EC2,S3,Lambda,SES) 
• Familiarity with databases (e.g. MySQL, DynamoDB, MongoDB), web servers (e.g. Apache, Nginx, Tomcat) and UI/UX design
  Knowledge of code versioning tools (such as Git, SVN).
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, or relevant field

• Benefits
• Being part of a startup that’s turning out to be a game-changer, you will be blessed with:
• Freedom to try new things.
• 2 Saturday’s off.
• Dress code – Casual.
• Take-it-when-you-need-it vacation.
• No. of working days:- 05

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