Senior Fullstack Developer

Location: Mumbai or Remote

Duration: 3 to 6 months

About the Role

Websites.co.in is looking for a Full Stack Developer Intern to support our engineering team across backend and frontend development. You will work on real product features and fixes across our website builder platform used by small businesses globally. This role is designed for learners who want practical full stack exposure.

You will mainly assist, build small modules, fix bugs, and improve existing features under guidance.

What You Will Do

• Assist in building and updating features using basic PHP and Laravel
• Work on simple database queries and data handling
• Help create and modify REST API endpoints
• Build and improve basic responsive UI using HTML, CSS, and JavaScript
• Connect frontend pages with backend APIs using AJAX and JSON
• Fix minor bugs across frontend and backend code
• Support simple third party API integrations
• Use Git for basic version control tasks
• Learn and work with existing codebase and modules

Required Skills

• Basic knowledge of PHP and any MVC framework preferred
• Basic understanding of Laravel concepts is a plus
• Basic knowledge of HTML, CSS, and JavaScript
• Basic understanding of databases like MySQL
• Familiar with REST API basics
• Exposure to Git
• Has done at least one academic or personal web project
• Willingness to learn and take feedback

Perks

• Real product development exposure
• Mentored learning environment
• Fast skill growth
• PPO opportunity based on performance

Looking for a 5+ years experienced Senior Full-stack Engineer (Backend Heavy) for a research-focused, product-based, US-based Startup.

AI Assistant for Research using state-of-the-art language models (AI Agent for Academic Research)

At SciSpace, we're using language models to automate and streamline research workflows from start to finish. And the best part? We're 

already making waves in the industry, with a whopping 5 million users 

on board as of November 2025! Our users love us too, with a 40% 

MOM retention rate and 10% of them using our app more than once 

a week! We're growing by more than 50% every month, all thanks to 

our awesome users spreading the word (see it yourself on Twitter). Andwith almost weekly feature launches since our inception, we're 

constantly pushing the boundaries of what's possible. Our team of 

experts in design, frontend, fullstack engineering, and machine learning

are already in place, but we're always on the lookout for new talent to help us take things to the next level. Our user base is super engaged and always eager to provide feedback, making Scispace one of the most advanced applications of language models out there.

We are looking for insatiably curious, always learning SDE 2 Fullstack Engineers. You could get a chance to work on the most important and challenging problems at scale.

Responsibilities:

* Work in managing products as part of SciSpace product suite.

* Partner with product owners in designing software that becomes part of researchers’ lives

* Model real-world scenarios into code that can build the SciSpace platform

* Test code that you write and continuously improve practices at SciSpace

* Arrive at technology decisions after extensive debates with other engineers

* Manage large projects from conceptualisation, all the way through deployments

* Evolve an ecosystem of tools and libraries that make it possible for SciSpace to provide reliable, always-on, performant services to our users

* Partner with other engineers in developing an architecture that is resilient to changes in product requirements and usage

* Work on the user-interface side and deliver a snappy, enjoyable experience to your users

Our Ideal Candidate would:

* Strong grasp of one high-level language like Python, JavaScript, etc.

* Strong grasp of front-end HTML/CSS, non-trivial browser-side JavaScript

* General awareness of SQL and database design concepts

* Solid understanding of testing fundamentals

* Strong communication skills

* Should have prior experience in managing and executing technology products.

Bonus:

* Prior experience working with high-volume, always-available web applications

* Experience in ElasticSearch.

* Experience in distributed systems.

* Experience working with a Start-up is a plus point.

• Must have a PHP experience, a fullstack developer will also do
• Experience - 3-6 years
• No. of vacancies - 6
• Salary - 40k-70k in hand
• B.Tech/M.Tech from any college will do

Regarding the job role: 

The Senior Developer is responsible for running the day to day operations of a group of developer/s. The individual should exhibit proven experience on our technology stack and product. Our technology stack is primarily written in React, Node + Express with Apollo, GraphQL, Typescript and MySQL on AWS Cloud Services.

Responsibilities:

• Contribute at a senior level to the development process.
• Own the product development lifecycle with the team.
• Work closely with the subordinates both at the technical as well as troubleshooting and problem solving.
• Manage developer allocations on tasks to best utilise time and resources.
• Work with Product Managers and the team to ensure that commitments are met.
• Responsible for the quality of work completed.
• Ability to do code reviews and maintain the quality standards. 
• Ability to conduct manual server deployments and automate the same. 
• Mentor and stimulate team member career growth.

Qualification:

BE/ME in Computer Science, Information Technology or a related subject, MCA, MSc(IT) or equivalent degree.

Required Skills:

• 4-6 years of proven software development experience with React, Node/Express, CSS/Bootstrap, HTML5 and MySQL or any RDBMS Server.
• Experience in TypeScript, GraphQL, TypeORM, styled components.
• Familiarity with Webpack and bundling the web applications for server deployment.
• Experience using AWS Toolchain or any other public cloud providers.
• Familiarity with shell scripting to automate deployment processes. 
• Ability to write robust, maintainable applications.
• Ability to build and work with distributed, high-volume backend services.
• Have a great understanding of system design, data structures, object-oriented programming and software engineering principles.
• You should have experience in identifying, debugging and resolving complex production issues.
• Awareness of continuous deployment tools such as Jenkins or other DevOps tools will be an advantage.
• Well versed with agile methodologies and continuous development / integration approaches. 
• People management/mentoring experience is required.

This is a remote working position with preference to applicants who can start immideatly.

Mandate Strengths

1. Handsome experience in React and Typescript
2. Full Stack development
3. Passion towards Code Review
4. Strong fundamentals in data structures, algorithms, web technologies, and design patterns
5. Calm under pressure
6. Hungry to improve

Required Skills and Stack

• Expertise in Java / Typescript / ES6+
• Extensive experience with one of the following - Node.js / Spring / Serverless or Enterprise Java-based server technology
• Experience with React 16+
• Version Control - Git
• Excellent verbal and written communication skills
• Contributing to technical and implementation discussions
• Attention to detail and ability to maintain comprehensive documentation
• Ability to meet deadlines consistently and communicate status effectively.