
We are seeking a skilled MERN Stack Developer to join our dynamic development team. The ideal candidate will be proficient in MongoDB, Express.js, React.js, and Node.js, and will play a key role in building and maintaining web applications.
Key Responsibilities:
• Frontend Development: Develop user-facing features using React.js, ensuring appealing and responsive user interfaces.
• Backend Development: Build efficient and scalable server-side systems using Node.js and Express.js.
• Integration: Integrate front-end components with server-side logic, ensuring seamless communication between the two.
• Data Management: Implement data storage solutions using MongoDB and other relevant technologies.
• Troubleshooting: Identify and address bugs, glitches, and performance issues to maintain application functionality.
• Collaboration: Work closely with cross-functional teams to conceptualize, define, and implement new features.
• Innovation: Keep abreast of emerging technologies and trends to contribute to continuous improvement.
Required Skills and Qualifications:
• React Proficiency: In-depth knowledge of React.js and its core concepts for building dynamic user interfaces.
• Node.js and Express: Strong expertise in Node.js and Express.js to create efficient and scalable backend systems.
• MongoDB: Experience with MongoDB for data storage and management.
• Full-Stack Development: Ability to work on both frontend and backend development.
• Problem-Solving: Strong analytical and problem-solving skills.
• Communication: Excellent communication and teamwork skills.
Preferred Qualifications:
• Experience with RESTful APIs and GraphQL.
• Familiarity with version control systems like Git.
• Understanding of Agile methodologies.

About Codewinglet Private Limited
About
We are a trusted name in the field of technology outsourcing services. we respond to changing market demands through disruptive innovation and high-end technical advancements.
We are on a mission to solve intricate software engineering challenges. Established in 2018, we have successfully assisted a diverse range of organizations, including startups that have gone public, Enterprise companies, and forward-thinking enterprises worldwide.
Codewinglet is your premier destination for cutting-edge software solutions. Specializing in strategic planning, designing, and developing world-class software across diverse industries, we're the trusted choice of leading engineers and companies globally. Our innovative approach leverages state-of-the-art technologies to engineer solutions that drive tangible business outcomes. Let's collaborate and unlock the full potential of your business with Codewinglet's expertise
- 40+ in-house IT experts trained in emerging technology
- 150+ Satisfied Clients across the globe
- 7+ years in the IT business
Tech stack
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Mandatory Skills
- Efficiently able to design and implement software features.
- Expertise in at least one Object Oriented Programming language (Python, typescript, Java, Node.js, Angular, react.js C#, C++).
- Good knowledge on Data Structure and their correct usage.
- Open to learn any new software development skill if needed for the project.
- Alignment and utilisation of the core enterprise technology stacks and integration capabilities throughout the transition states.
- Participate in planning, definition, and high-level design of the solution and exploration of solution alternatives.
- Identify bottlenecks and bugs, and devise appropriate solutions.
- Define, explore, and support the implementation of enablers to evolve solution intent, working directly with Agile teams to implement them.
- Good knowledge on the implications of Cyber Security on the production.
- Experience architecting & estimating deep technical custom solutions & integrations.
- 6+ years of experience in software development with strong expertise in Java (8+), JavaScript, HTML, CSS, PL/SQL.
- Hands-on expertise in frameworks and tools: Spring Boot, ReactJS, NodeJS, REST, SOAP.
- Version Control: Proficient in Git.
- Backend & Databases: Experience with Oracle and Postgres DB (Shining Stars).
- CI/CD Tools: Skilled in Jenkins, GitHub, TDD/BDD.
- Testing Tools: Practical experience with ReadyAPI, Postman, Jest, JUnit.
- Cloud Technologies: Exposure to OCI, Azure, AWS.
- AI Tools: Familiar with GitHub Copilot.
- Containerization & Architecture: Proficient in Docker, Kubernetes (K8s), Microservices, Microfrontend.
- Nice to Have: Test automation experience with Selenium, Java Cucumber, and Kafka
Engineer the Future of AI-Powered Recruitment Applications
About Us:
At PyjamaHR, we're creating recruitment software so intuitive you could use it in your pajamas. We integrate cutting-edge LLMs and Generative AI technologies into practical, powerful applications that are transforming how 525+ companies hire talent. While others are still talking about AI potential, we're shipping AI-powered features that deliver real value. As we scale from Bangalore to the US market, we need exceptional full-stack talent who can turn advanced AI capabilities into elegant, user-friendly experiences.
The Role:
As a Senior Full-Stack Engineer at PyjamaHR, you'll build the applications and interfaces that bring our AI capabilities to life. This isn't about training models—it's about implementing, integrating, and optimizing Generative AI within robust full-stack applications. You'll work across our entire technology ecosystem to create seamless experiences that leverage AI to solve real recruitment challenges. Your code will directly impact how companies discover, evaluate, and hire talent.
What You'll Do:
- Implement AI-Powered Features - Integrate Generative AI capabilities into practical, user-facing applications
- Build End-to-End Solutions - Develop both frontend experiences and backend services that leverage AI capabilities
- Create Scalable Architectures - Design systems that grow with our rapidly expanding user base
- Optimize Performance - Ensure our applications remain responsive even when processing complex AI operations
- Enhance User Experiences - Translate advanced AI capabilities into intuitive, accessible interfaces
- Drive Technical Excellence - Set standards for code quality and engineering practices across the team
- Collaborate Across Functions - Work with product, design, and data teams to deliver cohesive solutions
- Solve Complex Challenges - Apply your technical creativity to the unique problems of AI-powered recruitment
Who We're Looking For:
- 3-5 years of full-stack development experience building production applications
- Experience implementing and integrating Generative AI into web applications
- Expertise with either Django/React or Node.js/React technology stacks
- Strong experience with cloud platforms (Azure preferred, AWS acceptable)
- Proven ability to build performant, scalable web applications
- Excellence in modern JavaScript/TypeScript and frontend development
- Solid understanding of software architecture principles
- Product-minded approach to engineering decisions
- Ability to thrive in fast-paced environments with evolving priorities
- Bachelor's or higher in Computer Science or equivalent practical experience
The Rewards:
- Salary range of ₹30-40 LPA for exceptional talent (with room to negotiate for truly outstanding candidates)
- Equity package with significant growth potential
- Minimal bureaucracy and maximum impact
- Autonomy to make important technical decisions
- The opportunity to shape an industry-leading product
- Collaborative, innovation-focused work environment
Location: Bangalore (Koramangala 8th Block)
This role is perfect for engineers who want to apply their full-stack expertise to implement cutting-edge AI technologies in real-world applications. If you're excited about building the interfaces and systems that make advanced AI accessible and valuable to users, we want to talk to you.
The Role
This role is anything but conventional- It is an opportunity to define and execute our plans and make an impact on the development of millions of children.
As our tech lead, you will work closely with the founders to crystallize and own the product roadmap and then, to bring the product vision to life through simple, elegant design & code that delights users.
You will be the key architect of the product and will help the engineering team build and maintain the product across mobile and web.
You will own development and delivery of the code- including analysis, optimization and debugging.
Key Skills
3-6 years of experience with backend and frontend web-based application development
2+ years of experience with React / Redux + HTML/CSS
2+ years of experience with Python
Have some experience with databases (SQL, MongoDB)
Have created meaningful APIs and models that are flexible and scalable
About You
You will thrive in this role at KinderPass if you:
- Have a passion for our mission to re-imagine child health and development
- Have the drive to be part of building something new - to learn, to work hard, to be your best self and to adapt to the constant change and evolution of a start-up.
- Enjoy autonomy and flexibility but can work well in a team
- Count Ownership and Reliability as your key strengths
- Can communicate effectively
We are looking for passionate, talented, and motivated Developers to join our team and help deliver high-quality technical solutions. If you’re excited about working on the newest technologies and delivering value with a sense of ownership, then you should join us.
What you will do:
- Write clean code that follows industry standards and best practices.
- Participate in architectural discussions to improve our technology stack.
- Innovate ideas to promote best practices.
- Work closely with cross-functional stakeholders to make collaboration better between teams.
- Deliver high-quality and maintainable code using test-driven methodologies.
- Participate and contribute towards improving the development process and practices within the team and across the organization.
Qualifications:
- You will have a minimum of 3 years of industry experience developing on the FullStack
- Experience with CSS, HTML, Javascript
- Experience with RESTful services
- Knowledge and experience in building scalable Node.js applications
- Continuous integration/continuous deployment experience
- Experience with building tools such as Webpack, grunt, gulp, babel etc.
- Strong desire to learn and share knowledge with others
Desired Skills:
- Strong understanding of data structures and design patterns
- Experience with one or more front-end Javascript frameworks is a BIG plus
- Full understanding of the complete web technology stack including how to architect highly scalable solutions
- Experience with Relational or NoSQL databases
- Working knowledge of AWS services.
Role- Javascript Technical Lead
Job Responsibilities:
● Architect and design solutions and lead a team of 5-6 JS developers
● Interact with client understand requirements
● Able to convert business requirements to sizable tasks for developers to implement
● Provide technical expertise and mentor team in latest technologies
● Ensure and apprise stakeholders of technical feasibility, effort and impact of
implementations
● Create and present demos POCs
Skills Required:
1. Hand on experience with Node.js + React.js
2. Good understanding of Node.js frameworks (Express, Koa, Sails, Hapi) and good hands-on experience in at least one.
3. Strong understanding of Core JS Concepts including the ability to write unit tests.
4. Working knowledge in ES6 + JavaScript.
5. Experience in API Design (REST concepts) and API modeling.
6. Knowledge of WebSocket’s (Socket IO).
7. Hands on experience Typescript.
8. Experience with build tools (Webpack).
9. Experience with NoSql Databases (Mongo, Dynamo).
10. Good communicator with good client engagement skills.
11. Hand on experience with version control systems(git). Self-motivated and driven to
deliver, with and ability to be detail-oriented while able to see and define the overall
strategy.
12. Demonstrated ability to stay on top of new concepts and tools in the ever-evolving area
13. Ability to collaborate in a fast-paced, results-focused culture.
Good to have:
1. Knowledge of Docker and hands-on experience
2. Worked with AWS and similar cloud service providers
3. Experience with building applications using microservices
The ideal candidate should be a proactive individual with strong communication skills and a team player. He or she should have experience of at least 5+ years in MEAN stack development.
Should have hands-on experience in the following:
- Hands-on experience in designing and developing applications using MEAN stack and have at
- least 5+ years experience on the same.
- Should have excellent in-depth knowledge of Nodejs and Mongo DB.
- Working knowledge of RESTful web services.
- Working knowledge of Angular js.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Integration of user-facing elements developed by front-end developers with server-side logic
- Design and implementation of low-latency, high-availability, and performant applications
- Proficient understanding of code versioning tools, such as Git
- Good communication skills.
- Experience in working effectively within a team
Purpose of the Role
To design and implement the Peak AI System - a new system of intelligence that allows companies to quickly harness the power of AI.
The Opportunity
Peak is a Decision Intelligence company - we are on a mission to help organisations use AI to make great commercial decisions, all the time. Just as importantly, we are also focused on building an amazing company - one where we truly value our people & culture, and strive to make an amazing and diverse place to work. Our recent Best Companies award & 3 star accreditation for being one of the top companies to work for is a testament to this.
We have ambitious plans over the coming years; to launch and lead a new category of technology (Decision Intelligence), expand our operations and create the best working culture possible. This is a great time to join Peak and the Engineering team, as we start the next stage of our global growth.
The Role
Based in Jaipur or Pune, you will be working in a collaborative team on cutting edge technologies in a supportive and dynamic environment. Ultimately you are responsible for building the CODI and on-boarding new clients - this involves:
- Developing a good understanding of the solutions which Peak delivers, and how these link to Peak’s overall strategy.
- Making suggestions towards shaping the strategy for a feature and engineering design.
- Managing own workload and usually delivering unsupervised. Accountable for their own workstream or the work of a small team.
- Understanding Engineering priorities and is able to focus on these, helping others to remain focussed too
- Acting as the Lead Engineer on a project. Helps ensure others follow Peak processes, such as release and version control.
- An active member of the team, through useful contributions to projects and in team meetings.
- Supervising others. Deputising for a Lead and/or support them with tasks. Mentoring new joiners/interns and Masters students. Sharing knowledge and learnings with the team.
Required Skills and Experience
We are building a team of world class engineers in Jaipur / Pune, essentially we are looking for bright, talented engineers looking to work at the cutting edge of practical AI.
- Acquired strong proven professional programming experience.
- Strong command of Algorithms, Data structures, Design patterns, and Product Architectural Design.
- Good understanding of DevOps, Cloud technologies, CI/CD, Serverless and Docker, preferable AWS
- Proven track record and expert in one of the field - DevOps/Frontend/Backend
- Excellent coding and debugging skills in any language with command on any one programming paradigm, preferred Javascript/Python/Go
- Experience with at least one of the Database systems - RDBMS and NoSQL
- Ability to document requirements and specifications.
- A naturally inquisitive and problem-solving mindset.
- Strong experience in using AGILE or SCRUM techniques to build quality software.
- Advantage: experience in React js, AWS, Nodejs, Golang, Apache Spark, ETL tool, data integration system, certification in AWS, worked in a Product company and involved in making it from scratch, Good communication skills, open-source contributions, proven competitive coding pro
As well as doing great work we have created an award-winning, fun and exciting workplace that people love to be, we are looking for people to join us who share our values and are:
- Open - Always up for new ideas and able to take and give feedback in a positive way.
- Driven - sets high goals, doesn’t give up, and make sacrifices to ensure that their job gets done on time and meets/exceeds expectations.
- Curious - Aware of new technologies and uses them to make new improvements in the Engineering ecosystem.
- Smart - Innovative and thinks out of the box, in difficult situations finds a way to succeed no matter what
- Responsible - takes ownership of tasks given and has a strong work ethic.
About Peak
In an age when becoming AI and data-driven is one of the most important things businesses must do, it can also be one of the most challenging. That’s where Peak comes in; our CODI system sits at the heart of our client’s businesses, enabling the rapid unification, modelling and - most importantly - use of data - helping decision makers make great commercial decisions, powered by AI. All supported by our world-class data science team.
Founded in 2014, Peak has grown rapidly, in line with the world’s fastest growing SaaS companies, winning numerous awards and attracted significant funding to support the company’s ongoing investment in machine learning and AI technologies. All to further our mission to become the world’s leading AI System business.
Headquartered in Manchester, Peak also has offices in London, Edinburgh, Jaipur and Brisbane. Our clients include some of the world's leading retailers, manufacturers and well-known brands alongside highly innovative and tech-savvy businesses. Peak is an Amazon Web Services (AWS) Partner, and holds Machine Learning Competency and Retail Competency status.
What will I be doing?
- Design and develop solutions to complex technical problems spanning the development of product features, quality validation, and deployment to customers
- Build highly scalable web applications that are designed for high performance
- Lead design and code reviews
- Work closely with senior management, Product Manager, and our team of developers.
- Contribute visibly to product quality, innovation, and customer-centric design across the engineering organization
- Lead, motivate and direct team members to build high-quality software in a fast-paced agile environment
- Actively hire the engineering & product team, & develop the existing team
- Share experiences and skills to aid team members in enhancing their professional skills and career
What skills do I need?
- 4+ years of experience building large scalable systems
- Strong experience in agile methodologies and test-driven development (TDD)
- Experience in software development using open source technologies
- Knowledge in domain-driven design, design patterns, and enterprise integration patterns
- Must have experience in delivering software via complete Continuous Integration and Continuous Delivery (CI/CD) pipeline
Plus Points:
- A history of working on side/hobby projects or contributing to open source projects is a plus
- You have worked in a startup before
Most importantly: Be excited to learn what you don’t already know!












