Web Developer

Position: Full Stack Developer (React.js + Node.js)

Experience: 2–5 Years

Location: Mumbai – Chembur West (Onsite)

Job Summary

We are looking for a Full Stack Developer with strong hands-on experience in React.js and Node.js to build scalable, secure, and high-performance web applications. The ideal candidate should be comfortable owning features end-to-end, developing responsive UI, building REST APIs, integrating databases, and supporting production systems.

Key Responsibilities

• Build responsive UI using React.js, HTML5, CSS3, JavaScript (ES6+)
• Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS)
• Work with MongoDB and MySQL (schema design, indexing, query optimization)
• Implement authentication & authorization using JWT , RBAC , Oauth
• Integrate third-party APIs, Webhooks
• Build real-time features using Socket.io / WebSockets
• Ensure performance, scalability, and security (validation, sanitization)
• Implement caching using Redis (if applicable) and optimize API response times
• Support API testing (Postman/Supertest)
• Maintain API documentation using Swagger / OpenAPI
• Debug and resolve defects, handle RCA, and support production troubleshooting with logs/monitoring
• Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery

Mandatory Skills

• React.js, Node.js, JavaScript (ES6+)
• MongoDB (must), MySQL
• REST API development & integration
• Socket.io / WebSockets, Webhooks
• HTML5, CSS3
• Git
• Typescript, Express.js / NestJS
• jQuery / AJAX (basic / legacy support)

Good to Have

• Redis, Swagger/OpenAPI
• Docker, CI/CD (GitHub Actions/Jenkins)
• Cloud exposure (AWS/Azure/GCP)

Qualification

BE / BTech / MCA / MSc IT / BSc IT with 2–5 years relevant experience.

CTC: As per industry std.

About the Role:

We are looking for a skilled Full-Stack Developer with expertise in Python, JavaScript, and No-Code AI tools to join our dynamic team. The ideal candidate should be proficient in both backend and frontend development, capable of working with modern frameworks, and have experience in LLM prompt engineering, data extraction, and response formatting.

Key Responsibilities:

• Develop and maintain scalable backend services using FastAPI / Flask / Django.
• Build dynamic front-end applications using React / Next.js.
• Implement LLM-based solutions for data extraction and response formatting.
• Design and optimize databases using Milvus / Weaviate / Pinecone for vector storage and MongoDB / MySQL for structured data.
• Collaborate with cross-functional teams to deliver high-quality AI-driven applications.
• Ensure application performance, security, and scalability.
• Communicate technical ideas effectively through written and verbal communication.

Required Skills & Qualifications:

Technical Skills:

• Programming: Proficiency in Python and JavaScript.
• Backend: Experience with FastAPI / Flask / Django.
• Frontend: Strong understanding of React / Next.js.
• Database: Knowledge of at least one vector database (Milvus / Weaviate / Pinecone) and one relational or NoSQL database (MongoDB / MySQL).
• No-Code AI & LLM:
• Expertise in LLM Prompt Engineering.
• Experience with data extraction from context and response formatting.

Soft Skills:

• Strong written and verbal communication skills.
• Ability to collaborate effectively with teams and clients.
• Problem-solving mindset with a focus on innovation and efficiency.

Join the Team! Full Stack Developer | 3-4 yrs experience | Remote

Do you want first-hand experience in building a startup with a small and growing team? Do you think data and tech can be a game changer?

Welcome to Co.labx: Co.labx is a tech-enabled, leadership consulting firm. At Co.labx, we are challenging the status quo & helping organisations become a force for good. We are a gender-neutral company, work remotely, partner on challenging projects with our clients, and strive to create a balance between people, planet, & profit. We now wish to enhance the role that technology plays in our work. And we have identified some exciting problem statements to push our boundaries in the next 1 year.

About the Role: At Co.labx, we’re proud to build products that accelerate the growth of organisations. To this end, we are looking to onboard a full-stack developer with previous experience working with early-stage startups. We’re looking for a candidate with 3-4 years of experience building, testing, and deploying web or mobile based applications. This individual would possess a strong product mindset, be user-centric, and be willing to experiment and build tools that enable teams to thrive.

Competencies

3-4 years of experience in the software development sector (service / product)

Experience with backend development using Ruby on Rails, Python Django, Java Spring or any other server side framework

Experience with Javascript, CSS and HTML and some frontend frameworks like React.js, Angular.js or equivalent

Experience working with relational databases (eg. MySQL or PostgreSQL)

Familiarity with RES APIs and developing endpoints in a RESTful manner

Experience writing industry-grade, well-tested code for a web-based product or service

Ability to work with uncertainty and rapidly adapting to changes

Strong leadership skills and ability to collaborate with multiple stakeholders to see a product to completion

Excellent communication skills

Expectations

Help plan and develop new software products for the organisation

Write clean, maintainable and scalable code that is production ready and well-tested

Gather requirements and understand need of new products from various teams

Use basic analytics tools and techniques to understand user behaviour and suggest changes to existing products (or enable other team members to do so)

Our pay scale for this role is between 12-15 lacs

Still here? Great, these are the next steps & an overview of the selection process:

Reach out: We love talking about our work, so drop us an email if you want to know more. And if this opportunity excites you, apply with your resume.

Showcase your work: We will share 2 short pre-works with you. We love original, well thought out work. Insider Tip - Work speaks louder than words!

Interview & Selection

If interested, reach out right away and we’re excited to get to know you!

Hello, 

We are looking to hire a Full-Stack developer - Team Lead with expertise in PHP-Laravel. 

Designation: Team Lead - Full Stack Developer

Experience: Minimum 5 years

Website: http://www.itlh.in">www.itlh.in

Location: Belapur, Navi Mumbai (Work from Home temporary, soon office will start)

Job Responsibilities:

• Build efficient, testable, and reusable PHP modules.
• Manage Laravel web framework to design and build web applications, services, sites, and tools.
• Troubleshooting issues in the implementation and debug builds. 
• Working with front-end and back-end developers on projects. 
• Testing functionality for users and the backend. 
• Ensuring that integrations run smoothly.
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design
•  

Skills Required:

• Minimum 5 years experience working with PHP, Laravel, performing unit testing, and managing APIs such as REST.
• A solid understanding of application design using Laravel.
• Knowledge of database design and querying using SQL.
• Proficiency in HTML and JavaScript.
• Practical experience using the MVC architecture.
• Problem-solving skills and critical mindset.
• Good communication skills & Team management.

Regards,

Team HR

We're looking to hire expert Laravel developers with strong command over database concepts and preferably, ability to work as a full stack developer utilising Angular/Laravel or Vue as a frontend tech stack. Minimum 4 years experience is required.

As a senior software developer, we expect the following qualifications:

• Has a longer IT technical training in computer science or similar
• Have proven experience JavaScript
• Have proven experience of developing REST-based services
• Have proven experience in PHP and JAVA
• Have proven experience in Laravel, Symfony, and Composer
• Have proven experience with CSS, SASS, and HTML
• Proven experience with Vue.js, Angular or React

Personal qualifications:

• You are quick to put you into new tasks and get an overview.
• As a person manages to get support for your suggestions and solutions.
• Your efforts are focused and you take pride in having completed your tasks, which include seen by you adhere to deadlines.
• Your work is characterised by being both structured and systematic which for example is seen in your documentation.

• Key Result Areas

1. End to end ownership in the consumer facing B2C tech team and deliver solutions to solve business problems.

1. Advanced Javascript, CSS, HTML 5, D/XHTML, XML, JSON, DOM Concepts

1. Must have worked on a SPA framework: ReactJS, Node JS, AngularJS or InfernoJS

1. Own the development methodology. Align with the executive team to improve the development process, prioritize projects and manage multiple work streams

1. Extensive Work with open-source technologies and built services architecture as this will prove to be an invaluable asset in building solutions.

1. Lead a team of Software Developers, Server Engineers and QA Engineers, establishing development practices and standards

1. Extensive skill on React JS, Node JS

1. Experience on various PHP frameworks like Cakephp, Laravel, CI etc would be plus

1. Work with scrum teams and product managers using agile methodologies to deliver high quality solutions on time
2. Jumping on a call with clients to understand the requirement and profile them the right solution, helping formulate an effective solution and turning it into a working application
3. Conducting website performance and unit tests
4. Heavy involvement in the requirements gathering, development and operational stages of new projects
5. Troubleshoot and debug related application defects with existing and new applications
6. Work collaboratively with the frontend team and other team members, train other members and get trained if required

• Should have expert level knowledge to Design, Develop and test Web Apps with Angular versions 6 and above.
• Primary Skills – Angular6+, HTML, CSS3, JavaScript.
• Node JS as backend will be advantage
• Knowledge of Mongo, MySql will be advantage
• Highly skilled at front-end engineering using Object-Oriented JavaScript, TypeScript, various JavaScript,TypeScript patterns and frameworks.
• Should have experience in publishing and consuming Services using REST API
• Excellent time-management, multi-tasking, and communication skills. Capable of handling multiple projects and related complexities at the same time.