Senior Fullstack Developer

🚀Urgent Hiring : MERN Stack Developer

Location : Gurgaon

Work Mode : Work From Office (5 Days a Week)

Experience : 3 to 6 Years

Joining : Immediate Joiners Preferred

Job Description :

We are looking for a skilled and enthusiastic MERN Stack Developer to join our growing team in Gurgaon.

The ideal candidate will be responsible for developing robust web applications using MongoDB, Express.js, React.js, and Node.js.

You will work on both front-end and back-end components, ensuring high performance and responsiveness.

Key Responsibilities :

• Design, develop, and maintain scalable web applications using the MERN stack.
• Collaborate with UI/UX designers and backend developers to implement features.
• Write clean, modular, and reusable code.
• Integrate RESTful APIs and third-party services.
• Optimize applications for speed and scalability.
• Participate in code reviews, testing, and bug fixing.
• Manage version control using Git.

Required Skills :

• Strong proficiency in MongoDB, Express.js, React.js, and Node.js.
• Good understanding of JavaScript ES6+, HTML5, CSS3.
• Experience with Redux, React Hooks, and modern React ecosystem.
• Familiarity with RESTful APIs and JSON data exchange.
• Knowledge of Agile/Scrum methodologies.
• Experience with Git and version control tools.

Good to Have:

• Knowledge of TypeScript and Next.js.
• Experience with CI/CD pipelines and cloud services (AWS/Azure).
• Familiarity with unit testing frameworks like Jest or Mocha.

Job Description

Position -   Full stack Developer

Location - Mumbai

    Experience - 2-5 Years 

Who are we

Based out of IIT Bombay, HaystackAnalytics is a HealthTech company creating clinical genomics products, which enable diagnostic labs and hospitals to offer accurate and personalized diagnostics. Supported by India's most respected science agencies (DST, BIRAC, DBT), we created and launched a portfolio of products to offer genomics in infectious diseases. Our genomics based diagnostic solution for Tuberculosis was recognized as one of top innovations supported by BIRAC in the past 10 years, and was launched by the Prime Minister of India in the BIRAC Showcase event in Delhi, 2022.

Objectives of this Role:

• Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth
• Ideate and develop new product features in collaboration with domain experts in healthcare and genomics 
• Develop state of the art enterprise standard front-end and backend services
• Develop cloud platform services based on container orchestration platform 
• Continuously embrace automation  for repetitive tasks
• Ensure application performance, uptime, and scale, maintaining high standards of code quality  by using clean coding principles and solid design patterns 
• Build robust tech modules  that are Unit Testable, Automating recurring tasks and processes  
• Engage effectively with team members and collaborate to upskill and unblock each other

Frontend Skills 

• HTML 5  
• CSS framework  (  LESS/ SASS / Tailwind ) 
• Es6 / Typescript 
• Electron app /Tauri)
• Component library  ( Bootstrap , material UI, Lit ) 
• Responsive web layout ( Flex layout , Grid layout ) 
• Package manager --> yarn-/ npm / turbo
• Build tools - > (Vite/Webpack/Parcel)
• Frameworks -- > React  with Redux of Mobx / Next JS
• Design patterns 
• Testing - JEST / MOCHA / JASMINE / Cypress)
• Functional  Programming concepts  
• Scripting  ( powershell , bash , python )

Backend Skills 

• Nodejs - Express / NEST JS 
• Python /  Rust
• REST API 
• SOLID Design Principles
• Database (postgresql / mysql / redis /  cassandra / mongodb ) 
• Caching  ( Redis ) 
• Container Technology  ( Docker / Kubernetes )  
• Cloud ( azure , aws , openshift, google cloud) 
• Version  Control - GIT 
• GITOPS 
• Automation ( terraform , ansible ) 

Cloud  Skills 

• Object storage
• VPC   concepts 
• Containerize Deployment
• Serverless architecture 

Other  Skills 

• Innovation and thought leadership
• UI - UX design skills  
• Interest in in learning new tools, languages, workflows, and philosophies to grow
• Communication 

To know more about us- https://haystackanalytics.in/

Full Stack Developer Internship – (Remote)

Pay: ₹20,000 - ₹30,000/month | Duration: 3 months

We’re building Pitchline - a voice based conversational sales AI agent, an ambitious AI-powered web app aimed at solving meaningful problems in the B2B space. It’s currently in MVP stage and has strong early demand. I’m looking for a hands-on an Full Stack Developer Intern who can work closely with me to bring this to life.

You’ll be one of the first people to touch the codebase — shaping the foundation and solving problems across AI integration, backend APIs, and a bit of frontend work.

What you'll be doing

• Build and maintain backend APIs (Python)
• Integrate AI models (OpenAI, LangChain, Pinecone/Weaviate etc.) for core workflows
• Design DB schemas and manage basic infra (Postgres)
• Support frontend development (basic UI integration in React or similar)
• Rapidly iterate on product ideas and ship working features
• Collaborate closely with me (Founder) to shape the MVP

What we're looking for

• Curiosity to learn new things. You don’t wait for someone to unblock you and take full ownership and get things done by yourself.
• Strong foundation in backend development
• Experience working with APIs, databases, and deploying backend services
• Curious about or experienced in AI/LLM tools like OpenAI APIs, LangChain, vector databases, etc.
• Comfortable working with version control and basic dev workflows
• Worked on real projects or shipped anything end-to-end (Even if it is a personal project)

Why join us?

You’ll be a core member of the team. What we’re building is one of a kind and being a part of the successful founding team will fast track your personal and professional growth.

You’ll work on a real product with potential, witnessing in real time the impact your hard work brings.

You’ll get ownership and be part of early decisions.

You'll learn how design, tech, and business come together in early-stage product building

Flexible working hours

Opportunity to convert to full-time upon successful conversion.

We’re a fast paced team, working hard to deploy the MVP as soon as possible. If you're excited about AI, startup building, and getting your hands dirty with real development then our company is a great place to grow.

We Anju Siima Technologies Private Limited are looking for a Node JS developer with knowledge on Mongo DB, Angular basically who is proficient with backend programming language. Your primary focus will be on developing API components and workflows.

Job Skills & Responsibilities:

- Experience with Node.js (Loopback Express)

- Experience working with Docker, Redis, MySQL, MongoDB

- Understanding design principles behind a scalable application

- Basic understanding of web markup, including HTML5 and CSS3

- Write, debug, and deploy code to production

- Strong experience with object-oriented programming

- Strong fundamentals in Data Structures and Algorithms

- We are sensitive for timely delivery of different sprint development milestones.

- Proficient knowledge of cross-browser compatibility issues and ways to work around such issues

- Proficient understanding of code versioning tools, such as Git(Bitbucket), Mercurial, or SVN.

- Be willing to help your teammates, share your knowledge with them, and learn from them.

Skills that will help you in the role:

- Recent previous working experience as a React developer.

- Very strong knowledge of the fundamentals of Javascript and React, Redux

- Hands on experience with SASS, HTML and integration with RESTGraphQL APIs.

• We indulge in all things that would excite you!!
• Work on large-scale, custom distributed software systems using Java, Scala, Node
• MongoDB, JavaScript (AngularJS, ReactJS), and the likes
• We work almost exclusively on customer site providing a mix of delivery and consulting
• services, so you'll be flexible about travel
• Employ Agile development including task estimation, test automation, deployment automation
• and Continuous Integration to improve overall execution speed and product quality
• Work in a dynamic, collaborative, transparent, non-hierarchical, and ego-free culture where
• your talent is valued over a designation or title
• Spread the word about best practices in software development inside and outside Equal Experts community like Expert Talks

• Hands-on development and delivery experience with HTML5, CSS3, JavaScript, bootstrap,
• Hands-on experience in ReactJS & related tech stack
• A strong Javascript foundation and clear understanding of Javascript classes, prototype-based inheritance, modules, etc.
• Ability to convert the UI designs into fully functional interactive prototypes.
• Experience in PSD to Html Conversion with Responsive design
• Knowledge in developing UI software interacting/interfacing with Browsers
• Good understanding of Agile methodologies
• Awareness of current trends and best practices in the front-end community.
• Passion for software engineering and craftsman-like coding prowess
• Great OO skills, including strong design patterns knowledge
• Experience working with Agile, TDD, Lean, and/or Continuous Delivery approaches and best practices, such as Extreme Programming (XP)
• Enthusiastic to work collaboratively with people and sharing your ideas to solve real business

We are looking for a Ruby on Rails developer responsible for managing existing ruby on rail projects and any future interchange of data between the server and the users. Your primary focus will be 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 and building the front-end elements required by our team into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities

• Design, build, and maintain efficient, reusable, and reliable Ruby code
• Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)
• Integration of user-facing elements developed by front-end developers with server side logic
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization and automatization.
• Be an individual contributor and a team player.
• Be able to lead a development project from scratch to execution.
• Maintaining and troubleshooting existing web applications.
• Creating back-end components.
• Connecting applications with additional web servers.
• Maintaining APIs.

Skills

• Experience with Ruby on Rails, along with other common libraries such as RSpec and Resque
• Good understanding of the syntax of Ruby and its nuances
• Solid understanding of object-oriented programming
• Good understanding of server-side templating languages such as Liquid, Slim, etc which will keep on changing based on our technology stack.
• Good understanding of server-side CSS pre-processors such as Sass, based on project requirements
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Familiarity with concepts of MVC, Mocking, ORM, and RESTful
• A knack for writing clean, readable Ruby code
• Ability to integrate multiple data sources and databases into one system
• Understanding of fundamental design principles behind a scalable application
• Able to create database schemas that represent and support business processes
• Able to implement automated testing platforms and unit tests
• Proficient understanding of code versioning tools e.g. Git, Mercurial or SVN
• Familiarity with development aiding tools such as Bower, Bundler, Rake, etc.
• Familiarity with continuous integration, CICD pipeline.
• Familiarity with Graphql and React framework is a bonus.
• Familiarity with testing tools.

• Bachelor’s degree in Computer Science, Computer Engineering, or related field.

Key Responsibilities:

• The Laravel/CodeIgniter (HMVC) Developer is expected to be able to perform all aspects of the development tasks, including front- end, back- end, and database development.
• Develop web sites, applications and rich multi- media experiences according to the brief and technical specifications.
• Must have experience and knowledge in Laravel/CodeIgniter (HMVC)/Symphony Framework.
• The applicant is expected to possess strong problem-solving skills programming, testing and troubleshooting skills.
• Proficiency in Laravel/CodeIgniter (HMVC)/Symphony framework(s), jQuery, JavaScript, AJAX, CSS, HTML, MySQL/Postgre SQL/Mongo DB.
• Eagerness to contribute to a team-oriented environment.
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality.
• Knowledge of object-oriented programming using HMVC framework.
• Good knowledge of the common Laravel/CodeIgniter (HMVC)/Symphony framework(s) or web server exploits and their solutions.
• Develop, record and maintain cutting edge web-based PHP applications on portal plus premium service platforms.
• Familiar with REST API's and Integration with third-party API's.
• Hands on Experience in an e-commerce environment would be an added advantage.
• Adhering to project coding standards and recommending improvements.
• Modifying existing software to correct errors, allowing it to function in new operating environments.
• Additional Technical skill set:

• AWS/Azure deployments and architecture.
• Knowledge of Web RTC.
• API
• Financial and Accounting related product knowledge.

Mandatory Skills :

• Laravel/CodeIgniter (HMVC)/Symphony framework(s), CSS, HTML, MySQL/Postgre SQL/Mongo DB, JavaScript, jQuery, AJAX

Education

UG: B.Sc. in Any Specialization, B.Tech/B.E. in Any Specialization, BCA in Computers

PG: Any Postgraduate in Any Specialization

Doctorate: Doctorate Not Required.

Job Type: Full-time