
Building web application front end & backend
React
Spring Core, Spring MVC
Spring Boot
Spring Webflux/Reactive
Mongo DB/Cassandra
HTML, CSS, Javascript,
Cloud Basics (AWS/GCP/Azure)
Cloud Functions (AWS/GCP/Azure)

About Kloud9 Technologies
About
Kloud9 was founded with the vision of enabling our customers to transform into an intelligent enterprise with our “AI-First” approach. We help our customers in their data transformation and insights transformation journeys and enable them to make smart business decisions.
At Kloud9, we know AI & ML is one of the key technologies that can help organizations to significantly improve their customer experiences and transform their business operations to enable them to survive & thrive in this global competitive market.
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Job Title : Generalist Fullstack Engineer (Java / Node.js / React / AI-Driven Engineering)
Experience : 5 to 12 Years
Location : Bengaluru (Koramangala) – Hybrid (3 Days WFO)
Employment Model : C2H
Joining : Immediate to 20 Days Notice Only
Open Positions : 4
About the Role :
We are hiring a hands-on Generalist Fullstack Engineer for a high-impact engineering team. This is a 90% coding role focused on building scalable products across frontend, backend, cloud, and modern AI-enabled engineering practices.
Mandatory Skills :
Full Stack Development (Frontend + Backend), JavaScript / Java / Node.js / Python / Go, ReactJS or modern UI frameworks, Microservices, AWS, Docker, Kubernetes, SQL/NoSQL, CI/CD, Terraform (IaC), Automated Testing (TDD), AI-enabled software delivery, and strong hands-on coding experience.
Key Requirements :
- 5 to 12 years of software development experience.
- Strong expertise in JavaScript, Java, Node.js, Python, or Go.
- Hands-on experience with ReactJS / modern frontend frameworks.
- Strong backend depth with microservices & event-driven architecture.
- Experience with AWS, Docker, Kubernetes.
- Exposure to AI tools/frameworks in software delivery.
- Strong understanding of SQL/NoSQL databases & data modelling.
- Experience with CI/CD, automated testing, Terraform (IaC).
- Working knowledge of TDD, pair programming, continuous integration, security best practices.
Roles & Responsibilities :
- Develop and own production-grade full-stack applications.
- Build AI-first engineering workflows to improve delivery efficiency.
- Drive architecture decisions and engineering best practices.
- Deliver scalable cloud-native solutions.
- Collaborate across product, QA, design, and architecture teams.
- Improve system reliability through monitoring, automation, and testing.
Ideal Candidate :
✔ Strong end-to-end ownership (Frontend + Backend).
✔ Deep hands-on coding mindset (not people-management focused).
✔ Strong AWS + SQL exposure.
✔ Experience building and managing UI state and frontend components.
✔ Stable career progression (avoid frequent job changes).
Interview Process :
- Technical Round – GT (Assemble)
- Technical Round – Client
- Technical Round – Client
- HR Discussion & Offer
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/
Hiring for the position of Full Stack Developer / Senior Full Stack Developer responsible for managing back-end services and 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 frontend elements built by your co-workers into the application. Therefore, a basic understanding of frontend technologies is necessary as well.
We are looking to recruit a candidate for a role that will require:
- Create and consume restful APIs
- Design, develop, and maintain internal and external applications
- Build efficient, testable, and reusable modules
- Write high quality, structured application/interface code and documentation
- Identify solutions through research and collaboration that resolves the root of problems as they arise
- Define functional and technical requirements for application software to develop skills and knowledge
- Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
- Contribute in all phases of the development lifecycle
Requirement
∙ Proficient in Node.JS and ReactJS development stack
∙ 2+ years’ experience designing, querying, and updating databases in MySQL/nosql
∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.
∙ Passion for best design and coding practices and a desire to develop new bold ideas
∙ Good to have knowledge of AWS, Redis, ElasticSearch
Education: Min. Graduate in related discipline
Work experience: 2 years relevant experience
Compensation: Based on Industry StandardsInterview Mode : Face to Face
About the Role
We’re looking for a skilled Full Stack Developer with around 2 years of hands-on experience in building and deploying modern web applications. You’ll work closely with cross-functional teams to develop scalable solutions using the latest technologies.
Key Responsibilities
- Develop, test, and deploy responsive web applications using modern frameworks.
- Collaborate with designers to turn UI/UX concepts into functional products.
- Build and integrate RESTful APIs and backend services.
- Write clean, maintainable, and efficient code.
- Debug, optimize, and improve application performance.
- Manage containerized deployments and CI/CD workflows.
Required Skills
- Must be a B.Tech graduate. (Computer science or IT )
- Only Pune Candidate Preferred.
- Strong proficiency in JavaScript, TypeScript, React.js, and Node.js.
- Experience with Express.js, MongoDB / MySQL, and REST APIs.
- Hands-on experience with Docker and cloud platforms (AWS, Azure or GCP).
- Familiarity with Git, CI/CD pipelines, and basic DevOps practices.
- Working knowledge of Next.js is a plus.
- Excellent problem-solving and communication skills.
- Immediate joiner Preffered.
Nice to Have
- Exposure to React Native or mobile app development.
- Exposure to GraphQL
- Experience with cloud infrastructure automation or serverless deployments.
- Prior experience working in IT services or client delivery projects.
Perks
- Hybrid work model (2–3 days in office, Pune)
- Exposure to global client projects
- Collaborative, fast-paced learning environment
Note: WE USE AN ATS, SO PLEASE MAKE YOUR CV CLEAR, WELL-STRUCTURED, AND INCLUDE RELEVANT SKILLS TO IMPROVE YOUR CHANCES OF BEING SHORTLISTED.
Job Title: Java Full Stack Developer
Experience: 6+ Years
Locations: Bangalore, Mumbai, Pune, Gurgaon
Work Mode: Hybrid
Notice Period: Immediate Joiners Preferred / Candidates Who Have Completed Their Notice Period
About the Role
We are looking for a highly skilled and experienced Java Full Stack Developer with a strong command over backend technologies and modern frontend frameworks. The ideal candidate will have deep experience with Java, ReactJS, and DevOps tools like Jenkins, Docker, and basic Kubernetes knowledge. You’ll be contributing to complex software solutions across industries, collaborating with cross-functional teams, and deploying production-grade systems in a cloud-native, CI/CD-driven environment.
Key Responsibilities
- Design and develop scalable web applications using Java (Spring Boot) and ReactJS
- Collaborate with UX/UI designers and backend developers to implement robust, efficient front-end interfaces
- Develop and maintain CI/CD pipelines using Jenkins, ensuring high-quality software delivery
- Containerize applications using Docker and ensure smooth deployment and orchestration using Kubernetes (basic level)
- Write clean, modular, and testable code and participate in code reviews
- Troubleshoot and resolve performance, reliability, and functional issues in production
- Work in Agile teams and participate in daily stand-ups, sprint planning, and retrospective meetings
- Ensure all security, compliance, and performance standards are met in the development lifecycle
Mandatory Skills
- Backend: Java, Spring Boot
- Frontend: ReactJS
- DevOps Tools: Jenkins, Docker
- Containers & Orchestration: Basic knowledge of Kubernetes
- Strong understanding of RESTful services and APIs
- Familiarity with Git and version control workflows
- Good understanding of SDLC, Agile/Scrum methodologies
Job role : Java full stack developer
Experience : 3-7yrs
Location : Chennai
Must have
6+ total years of experience
Primarily frontend - 65% (4+ years of very strong relevant experience with Java script and ReactJS) - mandate
Backend - 35% (2.5+ years of very strong relevant experience with Java, Spring Boot
Database - very very mandate (Relational Database - MySQL, PostgreSQL, MongoDB).
Mainly looking for a candidate who has a very strong hands on, great exposure to the above mentioned skills.
Chennai(Daily to be reported to office)
Requirements
Strong expertise in front-end technologies such as HTML, CSS, JavaScript, and modern frameworks like
ReactJS
Solid understanding of server-side languages and frameworks such as Java/Spring Boot.
Experience with relational and non-relational databases (e.g., MySQL, PostgreSQL, MongoDB) and data
modeling principles.
Excellent problem-solving skills, attention to detail, and ability to thrive in a fast-paced, collaborative
environment.
Effective communication skills and ability to articulate technical concepts to both technical and non-
technical stakeholders
Full-stack Developer
CAST is the market leader in Software Intelligence. Its unique technology thoroughly examines the structure of complex software systems, with MRI-like precision. It delivers accurate, actionable, and automated views of software architecture, critical flaws, quality grades, sizing metrics, open source usage, and cloud readiness levels. Hundreds of companies rely on CAST for greater objectivity in crucial business decisions, faster application modernization for Cloud, raising the quality and security of their custom software. CAST operates globally with offices in North America, Europe, India, China.
Title: Software Developer
Location: Bangalore
Job definition
Working at CAST R&D means being an important part of a highly-talented, fast-paced, multicultural and Agile team based in Paris (France) and Bangalore (India). The team builds sophisticated source code analysis platform leveraging parsing, control flow, data flow and others mechanisms to fully understand the inner structure of the complex IT Systems developed and used by the Fortune 500 companies.
You, working as individual contributor, will be integrated in Dashboard Teams working on web portals of CAST AIP. Your teammates will be located in India and in France and you will have the opportunity to travel to France every year.
You will collaborate to writing and designing new features and improve existing ones. You will write unit tests and drive code reviews. You will participate into best practices definition and technology watch. Depending on will, skills and experience, you will have the opportunity to take technical lead on topics or projects.
While the domain of CAST is a niche, the position will propose you to work on software that dedicate to company Dashboards and control software, focusing on technical and creative skills.
Profile
- Experience : 3-6 years
- Experience in developing front-end/full stack applications at scale
- Should have experience in any of the front-end framework like React, Angular, BackboneJS, Ext etc and HTML/CSS/Bootstrap .
- Experience in backend technologies like GOLANG, NodeJS, Python, REST web services and Java(OOPS, Collections, DB Access) or any other technology.
- Hands on experience in JavaScript Concepts (OO-JS, Closures, Unit Testing, Module Patterns etc)
- Good to have skills like REST, Bootstrap, UI Components, CI/CD, NoSQL based DB is added advantage.
- Experience with advanced CSS programming using LESS or SASS is a plus.
- Expertise in of server side technologies and SQL/NoSQL is a plus.
- Experience of JavaScript testing frameworks like Karma, Mocha, Jest etc.
- It involves design the software system, Select algorithms, theories or technologies that will be used for BUSINESS Applications
- Contribute to software development design discussions for new features and new product development
- Strong Problem solving skills and ability to troubleshoot applications & environment issues.
- Adaptability, ability to learn faster, Independent, responsible and diligent.
- Good team spirit and interpersonal skills, Excellent Written, Verbal, communication skills, Analytical skills & Business Thinking.
The candidate should have a passion for technology and a flexible, creative approach to problem solving. You are autonomous and take responsibility for your work.
Ideally, you know how to write unit tests and maybe even better write them in TDD. You have knowledge in agile methodologies such as Scrum. You know about GIT and the use of continuous integration tools. You have developed single page JS applications end to end.
Candidate should have a bachelor or Master technical degree or equivalent experience. Strong knowledge in software engineering. Proactive Self Starter, creative thinker in designing, developing and supporting applications. Work as part of cross functional, passionate agile project teams to ensure quality is driven into the heart of the development process.
They are backed by some of the world’s top marquee funds in our journey to create transparency and standardization to an otherwise opaque industry.
Your responsibilities:
● Understand the business context and build high-quality code using proven design and
architectural patterns
● Develop, test and deploy integrations required to meet business requirements
● Carry out unit tests and other quality control mechanisms to inform and validate the code and design
● Utilizing and monitoring cloud infrastructure resources (such as AWS, Azure) efficiently
● Participate in a highly fluid environment applying agile software development principles
● Ensure the coding standards are on-par with the best in the industry
Educational Qualifications:
● Bachelor's or Master’s degree in a quantitative field (e.g. Mathematics, Engineering, Computer Science)
Must have skills:
● 3+ years of experience with React.js, React Native, and Node.js/Java/Go
● Experience in building and deploying a mobile application using React Native.
● Strong proficiency in JavaScript/TypeScript, including DOM manipulation and the JavaScript object model
● A sound understanding of Redux/Flux, Webpack, ES6, Jest.
● Must have hands-on experience in Restful APIs
● Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems
● Ability to ship features on a weekly basis: should be good at time management and
prioritization
● Hands-on experience in CI/CD principles and TDD
● Strong written and verbal English communication skills
Good to have skills:
● Experience in event-driven & asynchronous I/O frameworks
● Exposure to business process and workflow automation
● Working experience in process-driven and data-intensive business applications
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
















