We have an opening for Sr Lead Software Engineer -Full / Mern Stack Developer.
Responsibilities :
- Responsible for writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Understanding of performance testing and optimization techniques
Requirements
- Should have the ability to translate Wireframes and PSD Designs into functional web apps using HTML5, React , Node.js, and Mongo.
- Binding of UI elements to JavaScript object models
- Creating RESTful services with Node.js
- Architect scalable web architectures
- Must have proven experience in front ( Rect.js)& back-end development (Node.js)
- Work in a cross-functional team to deliver a complete user experience
- Must know MongoDB, Express, Node.js, & React., Typescript, CSS, HTML, Bootstrap
- 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
- Must have the ability to wear many hats and learn new technologies quickly
- Candidate must have good Knowledge of Node Debugging
- Understanding & proficiency in REST APIs.
- Should know Git Repository and Jira.
- Integration of data storage solutions [RDBMS, NoSQL DB]
Qualifications
Having Expereince in MongoDB - Document DataBase,
Node.js —Express(.js) web framework -Backend
React(.js) — a client-side JavaScript framework along with Bootstrap , HTML5, CSS3 - Frontend
Education : B Tech , BCA or Equivalent
Relevant Experience : 3 to 9 years : Full Stack developer
Preferred Candidate : Immediate Joiner
Location: Kolkata only ( Onsite).

About DataSpace Security Pvt Ltd
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What you’ll do
- Take full ownership of features from problem → design → code → deploy → iterate
- Build modular, scalable APIs and frontend components using the MERN stack
- Use AI tools to write, debug, optimize code, and unblock yourself fast
- Integrate 3rd-party APIs, services, and AI capabilities where relevant
- Collaborate async with product, design, and other engineers
- Optimize performance, scalability, and dev workflows
- Own dev hygiene—documentation, tests, Git practices, CI/CD pipelines
Must-Haves:
- Bachelor’s degree in Computer Science, Engineering, or a related technical field
- 4–5 years of full-stack experience in production-grade MERN apps
- You’ve shipped products end-to-end, not just maintained features
- Strong in JavaScript/TypeScript, both on frontend and backend
- Solid foundation in system design, API design, and debugging
- Comfortable using AI-native tools to code faster and better
- GitHub is your second home. You write clean commits and structured PRs
- Cloud/infra experience (Vercel, AWS, Docker/Kubernetes)
Nice-to-Have:
- Experience in HR or Ed Tech, Experience in assessment platforms
- Experience with SSR (Next.js), GraphQL, WebSockets, or Firebase
- Familiarity with AI API integration (OpenAI, Pinecone, LangChain, etc.)
- Open-source contributions, side projects, or an active GitHub
Required a full stack Senior SDE with focus on Backend microservices/ modular monolith with 3-4+ years of experience on the following:
- Bachelor’s or Master’s degree in Computer Science or equivalent industry technical skills
- Mandatory In-depth knowledge and strong experience in Python programming language.
- Expertise and significant work experience in Python with Fastapi and Async frameworks.
- Prior experience building Microservice and/or modular monolith.
- Should be an expert Object Oriented Programming and Design Patterns.
- Has knowledge and experience with SQLAlchemy/ORM, Celery, Flower, etc.
- Has knowledge and experience with Kafka / RabbitMQ, Redis.
- Experience in Postgres/ Cockroachdb.
- Experience in MongoDB/DynamoDB and/or Cassandra are added advantages.
- Strong experience in either AWS services (e.g, EC2, ECS, Lambda, StepFunction, S3, SQS, Cognito). and/or equivalent Azure services preferred.
- Experience working with Docker required.
- Experience in socket.io added advantage
- Experience with CI/CD e.g. git actions preferred.
- Experience in version control tools Git etc.
This is one of the early positions for scaling up the Technology team. So culture-fit is really important.
- The role will require serious commitment, and someone with a similar mindset with the team would be a good fit. It's going to be a tremendous growth opportunity. There will be challenging tasks. A lot of these tasks would involve working closely with our AI & Data Science Team.
- We are looking for someone who has considerable expertise and experience on a low latency highly scaled backend / fullstack engineering stack. The role is ideal for someone who's willing to take such challenges.
- Coding Expectation – 70-80% of time.
- Has worked with enterprise solution company / client or, worked with growth/scaled startup earlier.
- Skills to work effectively in a distributed and remote team environment.
About Kloud9:
Kloud9 exists with the sole purpose of providing cloud expertise to the retail industry. Our team of cloud architects, engineers and developers help retailers launch a successful cloud initiative so you can quickly realise the benefits of cloud technology. Our standardised, proven cloud adoption methodologies reduce the cloud adoption time and effort so you can directly benefit from lower migration costs.
Kloud9 was founded with the vision of bridging the gap between E-commerce and cloud. The E-commerce of any industry is limiting and poses a huge challenge in terms of the finances spent on physical data structures.
At Kloud9, we know migrating to the cloud is the single most significant technology shift your company faces today. We are your trusted advisors in transformation and are determined to build a deep partnership along the way. Our cloud and retail experts will ease your transition to the cloud.
Our sole focus is to provide cloud expertise to retail industry giving our clients the empowerment that will take their business to the next level. Our team of proficient architects, engineers and developers have been designing, building and implementing solutions for retailers for an average of more than 20 years.
We are a cloud vendor that is both platform and technology independent. Our vendor independence not just provides us with a unique perspective into the cloud market but also ensures that we deliver the cloud solutions available that best meet our clients' requirements.
What we are looking for:
● Overall 8+ Years of Experience in Web Application development.
● 5+ Years of development experience with JAVA8 , Springboot, Microservices and middleware
● 3+ Years of Designing Middleware using Node JS platform.
● Good to have 2+ Years of Experience in using NodeJS along with AWS Serverless platform.
● Good Experience with Javascript / TypeScript, Event Loops, ExpressJS, GraphQL, SQL DB (MySQLDB), NoSQL DB(MongoDB) and YAML templates.
● Good Experience with TDD Driven Development and Automated Unit Testing.
● Good Experience with exposing and consuming Rest APIs in Java 8, Springboot platform and Swagger API contracts.
● Good Experience in building NodeJS middleware performing Transformations, Routing, Aggregation, Orchestration and
Authentication(JWT/OAUTH).
● Experience supporting and working with cross-functional teams in a dynamic environment.
● Experience working in Agile Scrum Methodology.
● Very good Problem-Solving Skills.
● Very good learner and passion for technology.
● Excellent verbal and written communication skills in English
● Ability to communicate effectively with team members and business stakeholders
Why Explore a Career at Kloud9:
With job opportunities in prime locations of US, London, Poland and Bengaluru, we help build your career paths in cutting edge technologies of AI, Machine Learning and Data Science. Be part of an inclusive and diverse workforce that's changing the face of retail technology with their creativity and innovative solutions. Our vested interest in our employees translates to delivering the best products and solutions to our customers.
- Writing well-designed, testable and efficient code.
- Gathering and evaluating user feedback.
- Providing code documentation and other inputs to technical documents.
- Supporting continuous improvement by investigating alternatives and new technologies and presenting these for architectural review.
- Troubleshooting and debugging to optimise performance.
- Building reusable code libraries for future use.
- Integration of user-facing elements developed by front-end developers with server-side logic.
What you need to have:
- Proven experience as a Full Stack Developer and familiarity with common stacks.
- Experience in Node.js, React, MongoDB, Micro service-based architecture, Domain Driven Development, AWS a must.
- Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks. Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
- Node.js, React, MongoDB, Micro service-based architecture, Domain Driven Development, AWS is a must
- Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks.
- Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/ UX design.
- Entrepreneurial with a founder mindset.
- Ambitious, willing to work hard and invest in building a great career.
- Candidates who care more about what they learn and the impact they make.
- Take ownership of all his/her tasks.
- Believe in work-life integration. passion > work-life balance.
Full Stack Developer – Java, Angular
Description
The Position holder is responsible for developing products and services based on Java & Linux systems, functions as a Senior Software developer, and assists in the entire software lifecycle. The position reports to the Project Manager.
Successful Position holders are excellent communicators, enjoy solving problems, and work well in teams.
Roles and Responsibilities
- Responsible for software development.
- Develop and implement micro services (Must-have)
- Documenting low-level design for the assigned development work.
- Help to integrate UI components using Angular with backend micro service.
- Build reusable libraries and code for future use.
- Optimize application for maximum performance and scalability.
- Interface with other teams across SLB to ensure collaboration.
- Build an effective system that adheres to automation and other engineering best practices.
Qualifications and Experience
- Degree and qualification level - B. Tech/B.E. in Engineering with 5-10 years of relevant experience.
- Strong hands on work experience in Design & Development of Responsive Web application
- Must have -> Experience on any cloud services (AWS/Azure/Google Cloud)
- Must have -> At least 5+ Years of experience in building applications using Java/J2EE
- Must have -> Knowledge of document store, Kubernetes, messaging queue
- Must have ->Strong hands on work experience in Design & Development of Responsive Web application
- Experience in Angular JS (2/4/5/6) & JavaScript
- Experienced in working in agile teams
- Knowledge of Agile methodology
- Knowledge of Secure Programming Principles
- Knowledge or Experience in any one scripting language (bash, python)
- Experienced in working in a DevOps model.
Role: Full-Stack Lead Software Developer – Building Materials Start-up
Experience: 5+ Years preferred (3+ years mandatory)
Location: Hyderabad
About the Company: AndesInfra Solutions is a Hyderabad based Building materials start-up. The founders have over 20 years’ experience in the industry having worked with reputed clientele over these years. The start-up is re-defining how products and services are offered in the construction industry by focusing on driving better efficiencies. Powered by Technology and Innovative business models, the start-up is aiming to solve the root causes of project cost and time over runs, service delivery and quality assurance.
About the Industry: The real estate sector in India is expected to reach $1Trn by 2030 and contribute to ~13% of India’s GDP by then. The industry is heavily fragmented with most players struggling for efficiencies. There is a growing trend towards product modularization and service orientation leading to greater stress on efficiencies.
Overview of the role: As the full-stack lead developer, you are part of the organization’s senior management team leading the technology team. You will work with both internal and external members to build, test, deploy and maintain high quality software products/enhancements
Job Description:
- You are expected to write high quality code for applications, database integrations, interfaces and code enhancements
- You will lead the entire cycle of software development to delivery and maintenance. You must be comfortable working with agile, lean and continuous delivery practices
- You are expected to recommend, design and implement the optimal choices on technology, tools and architecture
- You will keep sanctity of the code and structure when working with external teams
- You must ensure the overall security of the applications and the data
- You are expected to lead code reviews, cloud deployments/Dev-Ops
- You are expected to build, coach and lead the technology team to successful deliveries
- You are expected to build a tech team for the company, that works under your leadership
Skills Required:
- 4+ years’ deep experience across All of MEAN Stack
- Must be well versed with Javascript, Typescript, HTML, CSS, Angular 12, Docker
- Must have expert level data modelling skills
- Must have been involved in the launch of IOS and Android Apps or Progressive Web Apps
- Must have built and/or managed and technology team in your previous organizations
- Must be able to work cross-functionally and demonstrate business acumen and judgement
- Having an appreciation/some background in construction industry is a plus
Salary Offer:
- Competitive salaries
- Generous equity
- Flexible work hours
- Experience in web development with AngularJS
- Experience working with RDBMS such as Oracle, SQL Server, PostgreSQL.
- Experience in SOAP/RESTful web services. javaScript, CSS, HTML, JSON, JQuery, AngularJS
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
Skills and Expectations
We are looking for terrific JavaScriptFull Stack Engineers who can contribute in all the aspects ofan applicationdevelopment.You will be primarily working with the product team of ORMAE so we expect you to lead with a vision.
•Strong experience in building smooth UI/UX workflows to satisfy the business requirements.
•Should be familiar with logging and monitoring tools like Loki/EFK, Prometheus, Sentry, Grafana.
•Strong knowledge in NodeJS, Functionalprogramming, SDLC (Software development Life cycle). Should be able to write both synchronous and asynchronous code using NodeJS.
•Must be proficient in GIT.
•Experience is creating CI/CD pipelines.
•Experience with working on Linux based servers.
•Should have experience with both SQL and NoSQL databases.Experience with in-memory databases like Redis is a plus.
•Should have Angular and Reactknowledge. Experience with web workers and building drag-drop web interfaces is a bonus and calls for extra points.
•Shouldbe able to designa database schema for any given problem statement
.•Hands on experience in developing serverless architecture is a must.
•Knowledge in deployment using Docker, Docker Swarm, Kubernetesand how containerized applications work is a must.
•Experience in dealing with third party API’s.









