
MERN Stack Developer
Location: Surat, Gujarat (No WFH )
Job Summary:
We are looking for a Full Stack Developer (MERN) with hands-on experience in building highly scalable, performance-driven applications. The ideal candidate should have a deep understanding of both front-end and back-end development, microservices, and database optimization for large-scale systems. You will be responsible for designing, developing, and maintaining applications that can handle high concurrency (1,000+ active users) while ensuring performance, reliability, and scalability.
This role involves working closely with cross-functional teams — including product managers, designers, and DevOps engineers — to deliver cutting-edge, enterprise-grade solutions.
Roles & Responsibilities:
- Design and develop scalable and distributed web applications using the MERN stack (MongoDB, Express.js, React/Next.js, Node.js).
- Build and optimize RESTful APIs for high-performance, concurrent environments.
- Architect and manage MongoDB databases, ensuring high availability, efficient query performance, and scalability.
- Implement queueing systems (e.g., BullMQ, RabbitMQ, Kafka, or Redis Queues) for background jobs and asynchronous processing.
- Optimize server and client performance to support real-time data updates and high concurrent user loads.
- Collaborate with DevOps to improve deployment pipelines, containerization (Docker), and cloud scalability.
- Conduct thorough testing, profiling, and debugging to identify performance bottlenecks and optimize both code and infrastructure.
- Participate in code reviews, architecture discussions, and sprint planning to ensure technical excellence and scalability across all layers.
Qualification / Requirements:
- Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
- 1 + years of hands-on experience in full-stack development using the MERN stack.
- Proven experience working on applications supporting 1,000+ concurrent users or large-scale distributed systems.
- Strong expertise in:
- Node.js (asynchronous programming, clustering, performance optimization)
- Next.js & React.js (SSR, CSR, and dynamic rendering)
- MongoDB (aggregation pipelines, indexing, schema design for scalability)
- Practical experience with message queues (BullMQ, RabbitMQ, Kafka, or Redis Streams).
- Familiarity with caching mechanisms (Redis, Memcached) to optimize performance.
- Experience with Docker and microservices-based architectures is a plus.
- Good understanding of API design, authentication mechanisms (JWT, OAuth), and security best practices.
- Experience working in Agile environments and using Git-based version control.
Nice to Have:
- Exposure to serverless computing (AWS Lambda).
- Experience with monitoring tools (New Relic, Datadog, ELK Stack).
- Knowledge of CI/CD pipelines and automated deployment workflows.
- Experience in real-time communication (WebSockets, Socket.io).

About Knovator Technologies
About
Knovator create IT solutions that our clients love. From handling simple to complex business challenges, we provide custom and
in-depth technical advice and solutions.
We help businesses and startups to achieve growth, efficiency and cost reduction with custom-made technology solutions. We develop
custom web and mobile solutions using a technologies on which Facebook and Google relies on. One of our speciality is best post-
sales support. Get in touch with us if you are looking for any web or mobile solution with best post-sales support.
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We’re Hiring: Senior .NET Developer
Location: Coimbatore
Experience: 7+ Years
Employment Type: Full-time
About the Role
We are looking for a highly skilled Senior .NET Developer with strong expertise in backend development using C# .NET Core and cloud platforms like Azure. The ideal candidate should have a solid understanding of modern front-end frameworks and experience building scalable, high-performance web applications.
Key Responsibilities
- Design, develop, and maintain applications using C# .NET Core.
- Build and deploy services on Azure Cloud (Web Jobs, Blob Storage, Functions, App Services).
- Work on database design, stored procedures, and SQL performance tuning.
- Develop responsive front-end components using React or Angular.
- Implement and maintain REST APIs and microservices architecture.
- Collaborate with teams using Git (GitHub/GitLab) for version control.
- Contribute to Agile development cycles and DevOps CI/CD pipelines.
Required Skills
- C# .NET Core (Strong hands-on experience)
- Azure Cloud Services – Web Jobs, Blob Storage, Functions, App Services
- SQL Server – Database design, stored procedures, performance tuning
- React or Angular – JavaScript/TypeScript
- REST API & Microservices Architecture
- Git/GitHub/GitLab
- Agile & DevOps Practices (CI/CD, Azure DevOps)
Why Join Us?
- Work with cutting-edge technologies
- Collaborative and innovative work culture
- Opportunities for continuous learning and growth
Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, Reactjs , Node.js, Typescript and Mongodb
Binding of UI elements to JavaScript object models
Creating RESTful services with Node.js
Python or PHP knowledge will be good
Architect scalable web architectures
Work in a cross-functional team to deliver a complete user experience
Create Unit and Integration tests to ensure the quality of code
Be responsive to change requests and feature requests
Write code that is cross-platform and cross-device compatible
Ability to wear many hats and learn new technologies quickly
Qualification and Work Experience
Qualification: B.E./B. Tech/BCA/MCA
Work experience: 1- 8 years
Minimum 1-8 years of experience in Designs, develops and implementation of web-based Java applications to support business requirements and projects.
Hands-on experience in Java and J2EE Ecosystem.
Hands-on experience in Spring boot, Hibernate and/or Struts frameworks.
Good familiarity with Object-Oriented Programming, Web services, REST, HTTP.
Strong experience with databases and MySQL.
Experience in Agile Development/Project Management, DevOps CI/CD process is a big plus.
1-6 years minimum in creating complex HTML based solutions
Detail oriented experience as a Web Developer creating Angular/React/Vue based solutions
1-6 years with Node.js and Express js
Ability to work both independently and in collaborative teams to communicate design and build ideas effectively
Experience using asynchronous RESTful services (JSON)
Knowledge and Hands-on experience on ASP.Net, C#, MS SQL Server, Restful, C# 3.5/4.0, MVC
Desirable Skills: Excellent written and verbal communication skills. Excellent analytical and troubleshooting abilities.
Solid understanding of best practices in web application development.
Knowledge and Hands-on experience on Java,
Exceptional attention to detail and design.
Requirements
Fluent knowledge of the latest HTML/CSS standards and best practices
Working knowledge of JavaScript, Typescript, ReactJS and Angular Working knowledge of Node.js and Express js
Solid Understanding of HTTP protocol and how server-side code is processed on the client
Understanding the nature of asynchronous programming and its quirks and workarounds Excellent hands-on experience with MongoDB , Mongo aggregation, MySQL, Ability to build REST services, Authentications, MVC applications
Excellent Object-Oriented Programming skills and ability to write modular, secure, scalable and maintainable code
Experience with Elastic search, Redis.
Some experience with Photoshop or Sketch is a plus (creating sprites, optimizing, cutting or adjusting images)
Working knowledge of front end optimization and performance techniques
Obsession with lean, clean and organized front-end code
Cross-browser development and troubleshooting
Experience building Responsive websites for web, tablet and mobile devices
Eye for details is crucial
Able to handle multiple projects and competing deadlines
Good understanding of overall web design including basic usability, accessibility, industry standards, architecture, and navigation
Passionate about learning new technologies, take pride in code quality and a self-starter.
Exposure to AngularJS, jQuery is a plus
Experience of Groovy & Grails is a big plus.
Exposure to NoSQL databases like MongoDB is a big plus.
Experience in AWS is a big plus.
Desired Skills:
Experience with Microservices and DevOps.
Benefits :
Opportunity to work on highly challenging international projects.
Opportunity to travel & work with International clients.
Flexible and friendly work environment
Great organizational culture, focus on employee's well-being.
Work-life balance.
Be part of the best place to work for certified company
Purpose
All kids have extraordinary talent & creativity, and our mission in the world is to help
nurture it. We truly believe that education needs to develop the whole being, and
exploration of broad interests is key for originality.
We are working hard to be the world's most loved extra-curricular platform
& build the future of passion. We are here to do the best work of our lives, and
together, we hope you are too. Come & help shape the future of inspiration &
passion. As an early team member, you get to shape the direction of our products,
company culture, hiring & product engineering practices.
Team
We are a team that is maniacally customer obsessed & building products that
consumers love.
The plumber in chief, Subramanya Sharma (subba), was recently CPO & CMO @
Cleartrip helping build one of the most loved consumer companies in the region. He
was also instrumental in taking Cleartrip global (8 countries) & create global high
quality products in an increasingly flat world.
We want to recreate the magic and build the same customer obsession & product
culture here.
Principal engineer
About the role
You are an exceptional engineer first, and have experience in mentoring the
engineers in the team.
Build a strong engineering team & culture, hiring great engineers along our
journey.
Engineer new products and features, improve existing products and features.
Working knowledge of Devops & Infra part of the setup.
What are we looking for?
5+ years experience across the engineering stack (both frontend & backend).
Principal engineer 2
Bachelor/Masters of engineering.
You're proficient with multiple parts of our technology stack: React/Swift,
TypeScript, Node.js, and Postgres.
We are location agnostic, but in the same time zone (India). We have a small
garden office @ Jayanagar, Bangalore (home to some of the best dosas in India)
to jam together on anything that requires space.
You are not fixated about any one programming language & can learn new tech
as needed.
You are clear that problem solving & shipping >> scaling in the 0 to 1 stage.
You are somebody who shares the same ethos.
Bonus
You have expertise in data engineering, video or audio engineering.
You contribute to open source projects.
You've an interest in education & kids.
You have interests outside of technology, such as in art, music or any performing
art.
What is our interview process?
An initial 30 min call to understand each other at a high level.
An hour long technical interview where we shall dive deep into your past
experience and your ability to solve simple yet intriguing problem statements.
Optionally, you may have to work on a small assignment to ensure a good
match. (We care about your time and hence the assignment is designed to be
completed within a couple of hours time)
Funding Status
We are backed by a top-tier VC firm
The project is for a global site that has over 50 Million users and can be a mix of WFH as well as work from the office.
As a full-time senior developer, you will be working directly with the client; Hence good communication skills will be a bonus.
Your primary roles & responsibilities will include but are not limited to the following points -
1. Build new features for the back end in PERL
2. Help clean up old code
3. Testing systems before going live
Some basics which will be appreciated -
Good analytic capabilities, ability to learn quickly and interpersonal skills, Abstraction capability, and logical thinking
Customer-focused behavior, proactive action, and initiative, and the Capability to collaborate with colleagues with responsibility and respect.
Social competence: the ability to work in teams and excellent communication skills
You must have BE / B.Tech / MCA / ME / M.Tech qualification with 6 - 10 years of experience in Maintenance roles in Software Engineering, especially in a professional software products, solid java knowledge
Powerful core java and Java/J2EE knowledge
Confirmed Knowledge or experience in J2EE, Web-Services (REST and SOAP), JPA/ORM (like hibernate/eclipse link), Database (Oracle / My SQL / PostgreSQL) with exposure towards HTML/CSS, JavaScript, or JSF
Knowledge or Experience in JSF/Vaadin, Junit, Maven, EJB, JavaScript, HTML, CSS will be an advantage
ExpressJs)
● In-depth knowledge and working experience on Restful/SOAP web services
● Working knowledge of NoSQL/SQL database technologies.
● In-depth knowledge of web technologies like React JS/Next JS, and Typescript.
● Experience in databases such as SQL Server will be preferable
● Experience with AWS Cloud (specifically API Gateway) will be preferable
● Experience with popular React.js workflows (Redux)
● Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
● Understanding of caching and third-party integration.
● Familiar with code versioning tools (such as Git, SVN).
● Knowledge of unit testing code using Jest & Enzyme.
● Knowledge of Python and Chrome extension development is a plus.
● Excellent verbal communication skills
● Good problem-solving skills
Yojito is looking for motivated self-driven full stack engineer who can lead internal modules on his own. This role is for founding team member so deserving candidate will have lot of opportunities to grow into bigger roles and carry bigger responsibilities.
Aptitude Desired
- Self Driven, Open to learning on the job
- Comfortable in fast moving environment, ready to break and fix things quickly
- Focus on getting shit done
Experience Required
- At least 1 year of Professional experience
- Must have worked and delivered application which is running in production
- Experience in Managing production application
Skills Required
- Core Java
- Javascript - Sound knowledge of Javascript Eco-system
- ReactJS
- PostgreSQL and Basic Database Administration
- AWS Cloud - EC2, Lambda, Cognito
- Basic Shell Scripting and OS Administration
- • 3+ years of web development experience using LAMP stack or Node.js or similar web technologies
- • Well-versed with front-end code in HTML5, CSS3, Javascript, React.js with familiarity in various frameworks and template languages
- • Possess strong understanding of Object-Oriented Programming, especially in PHP
- • Proficient with database design, optimization and tuning in MySQL or MongoDB
- • Experience in design patterns, unit testing, automation techniques (Selenium WebDriver)
- • Exposure to Amazon Web Services (EC2, S3, EBS, RDS, SQS, Redshift, etc.)
- • Exposure to Docker and Kubernetes
- • Exposure to collaborating tools like GitHub, JIRA, Confluence
- • Experience in frameworks such as Symfony 2, Express.js, or proven ability to learn on the job
- • Experience in Microservices and REST architecture
- • Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
- • Self-motivated, fast learner, detail-oriented, team player and a sense of humor
About the Role:
The candidate will be heading HelpNow Tech-Team and will be responsible for building web platforms and should be highly experienced in server-side development and DevOps. The individual should be self-motivated, team player, possess creative problem-solving skills and have the ability to handle multiple projects at the same time. The candidate should have developed multiple tiered web applications with familiarity in modern web-based technologies.
Job Responsibilities:
- Mandatory 5+ years hands-on experience on core Javascript, NodeJs and REST services.
- Familiarity with typescript, advanced javascript ecosystem and MVC architecture.
- Highly experienced in RDBMS (MySQL/Postgres).
- Experience with Tools like Hadoop, GraphQL etc.
- Oriented towards automating and scalable solution approaches.
- Strong technical development experience on effectively writing code, code reviews, best practices code refactoring.
- Experience with various source control tools like GIT, Jenkins CI/CD and Maven.
- Strong experience with containers and container management platforms (Dockers, Kubernetes, etc.).
- Experience working in software development with one or more of the following programming languages; Java, C/C++, C#, Python, JavaScript, and/or Go.
- Experience in Agile development lifecycle methodology.
- Proven problem solving and analytical skills.
Minimum of 5 years of work experience required.

● Design and develop software to support business practice management of current products based on the Java/Python/PHP/Node JS platforms
● Ensure design meets product requirements and structured to scale with business growth
● Ensure design comply to industry standards and interoperates with 3rd party software
● Conduct thorough design unit and integration testing with other software components
● Adhere to proper software design principles and processes with design documentations, reviews, test plans and release notes.
● Mentor/coach and guide other team members to achieve project deliverables
Skills & Competencies:
● Significant and demonstrable Java/Python/PHP/NodeJS development experience (server side).
● Significant and demonstrable experience of using Unix / Linux based Operating Systems including performing basic administrative tasks.
● Desirable experience of scripting languages e.g Ruby or Perl
● Significant and demonstrable experience of responsive websites
● Significant and demonstrable experience of integrating payment systems to websites
● Significant and demonstrable experience in any database system
● Sound problem solving skills and aptitude
● Sound communication skills and team working
● Experience of the following is highly desirable: memcache, Apache HTTPd server, Tomcat, Linux, HTTP, MySQL, PostgreSQL
● Experience in creating cloud based solutions (AWS, …)
● Experience in working with highly scalable solutions (load balancing, sharding, clustering)
● Good problem-solving skills
● Team player ● Good time-management skills
● Great interpersonal and communication skills
● Excellent documentation skills
● Proven ability to mentor, coach and guide team members.
● Proactive and take ownership of delivering best-in-class solutions that serve business outcomes.
Qualifications ● B.E/BS/Masters degree in Computer Science














