Fullstack Lead Developer

Responsibilities:

• Design and develop scalable web application architecture

• Build and maintain robust services and RESTful APIs

• Develop reusable, secure, and high-quality code

• Optimize applications for performance, speed, and scalability

• Implement security and data protection best practices

• Translate UI/UX wireframes into responsive user interfaces

• Integrate front-end and back-end components seamlessly

Skills & Qualifications:

• Software Engineering degree with 3–5 years of experience

• Strong expertise in JavaScript and Node.js

• Good working knowledge of Angular

• Experience with testing frameworks (Jest, Mocha)

• Hands-on experience with Docker and containerization

• Exposure to Cloud platforms (AWS / Azure)

• Understanding of CI/CD pipelines and DevOps practices

• Experience building cloud-based SaaS applications

• Ability to work effectively in cross-functional teams

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

Location: Mumbai

Experience Required: 2+ Years

Job Type: Full-Time

Notice Period: Immediate Joiners

About the Role

We are seeking a skilled and experienced Full Stack (MERN) Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.

Mandatory Criteria

• Candidate must be currently working or have prior experience in a product-based software development company
• Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)

Key Responsibilities

• Develop and maintain scalable web applications using MongoDB, Express.js, React.js, and Node.js
• Translate UI/UX designs into high-quality front-end code
• Build and integrate RESTful APIs
• Ensure performance, quality, and responsiveness of applications
• Participate in design discussions, code reviews, and contribute to technical documentation
• Work in a collaborative, agile development environment

Required Skills

• Strong proficiency in JavaScript, React.js, Node.js, and Express.js
• Hands-on experience with MongoDB or other NoSQL databases
• Solid understanding of RESTful APIs and architectural patterns
• Knowledge of version control systems like Git
• Understanding of CI/CD and cloud-based deployment practices
• Good grasp of performance optimization, caching, and security practices

• Understand platform requirements & coordinate with the development agency for smooth development of our platform
• Make incremental design or developmental changes on the platform on a regular basis
• Ideate & develop new features on our platform
• Conduct regular testing of website performance & fixing bugs (either through agency or by self, whatever applicable)
• Work with UI/UX designer to implement design systems & user experiences

• Proven experience of 2-3 years as a full-stack developer or similar roles
• Experience in developing scalable desktop and mobile applications
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Hands on experience with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache)

• You are self-driven, scrappy and entrepreneurial
• You enjoy challenges and are excited to find simple solutions to complex problems
• You put users first
• You're a forever learner
• You want to work in a fast paced (read:messy) startup environment
• You're usually more aware of the hidden hacks & tools of a phone or a computer than most other people
• You like challenges & don't get bogged down by failure easily
• You are firm believer of the quote "if you're not a part of the solution, you're part of the problem"

We are looking for a Prestashop/Full Stack Software Developer to be our primary source of development for our Prestashop-based e-commerce website. In addition to connecting external sources to our website using APIs, this role ensures all requirements and functionalities are met.

As part of the role, you will need proficient knowledge of PHP, .NET, SQL, and other web-based design/development techniques.

Key Responsibilities:
● Build the (under construction) PrestaShop site according to the requirements and mockups
provided.
● Customize e-commerce sites using CMS, HTML, and other technologies to suit.
● Build APIs to connect external platforms to PrestaShop's e-commerce platform.
● On the website, manage product lines using MySQL/SQL.
● Create virtual copies of data pulled from the server using AJAX/JSON.
● Scrape data from numerous websites to extract, transform and reuse the information.
● Develop client-based or web-based tools to automate or improve business processes.

Here's what we're looking for
● About 3-5 years of working experience building e-commerce websites in PrestaShop.
● A diploma, degree, or background in IT, engineering, or similar is preferred.
● Experience working and designing layouts with PrestaShop's Smarty templates.
● Solid PHP programming skills for backend development and troubleshooting.
● Must know how to efficiently code in ASP.Net, HTML, Javascript, CSS, jQuery
● Must know how to use effectively.NET-based restful web API.
● Good working experience with MySQL database and MySQL queries.
● Excellent PHP knowledge and basic Git knowledge would be an advantage
● Knowledge of module development and functionality enhancement
● Ability to work independently on strategic issues with clients and manage reasonably complex projects.
● Commercial & business awareness
We recognize that asking you to give 100% of yourself daily requires us to show you love.

PERKS: What can we offer you?
● Bi-Yearly performance audits and appraisals
● The flexibility of working hours and days
● Complimentary Health Insurance
● A plethora of industry exposure and self-growth opportunities

About Us

We have grown over 1400% in revenues in the last year.

Interface.ai provides an Intelligent Virtual Assistant (IVA) to FIs to automate calls and customer inquiries across multiple channels and engage their customers with financial insights and upsell/cross-sell.

Our IVA is transforming financial institutions’ call centers from a cost to a revenue center.

Our core technology is built 100% in-house with several breakthroughs in Natural Language Understanding. Our parser is built based on zero-shot learning that helps us to launch industry-specific IVA that can achieve over 90% accuracy on Day-1. 

We are 45 people strong with employees spread across India and US locations. Many of them come from ML teams at Apple, Microsoft, and Salesforce in the US along with enterprise architects with over 20+ years of experience building large-scale systems. Our India team consists of people from ISB, IIMs, and many who have been previously part of early-stage startups. 

We are a fully remote team.

Founders come from Banking and Enterprise Technology backgrounds with previous experience scaling companies from scratch to $50M+ in revenues.

As a SDE III, you will be :

1. Designing and implementing FullStack applications of interface.ai’s conversational AI platform and playing a significant role in evolving them.
2. Working with a team of driven and passionate engineers working on cutting edge technology, who take pride in solving complex problems.
3. Engaging in cross-functional team discussions on Product, design, QA, deployment and maintenance,  in a fast-moving collaborative set up.
4. Building reusable code and libraries for future use
5. Analyzing high level requirements, breaking it down into workable/demoable tasks, estimating them and delivering with high quality.
6. Contributing to improve our engineering processes, tooling, and standards.

1. Are extremely self motivated
2. Have ability to learn quickly
3. Have a growth Mindset (read this if you don't know what it means - https://www.amazon.com/Mindset-Psychology-Carol-S-Dweck/dp/0345472322" target="_blank">link)
4. Have Emotional Maturity (read this if you don't know what it means - https://medium.com/@krisgage/15-signs-of-emotional-maturity-38b1a2ab9766" target="_blank">link)
5. Are Passionate about the possibilities at the intersection of AI + Banking
6. Have worked in a startup of 5 to 30 employees
7. Have outstanding problem-solving abilities
8. Have proactive outlook for ways to make the solution better
9. Have 5+ years of experience in delivering scalable complex technical products
10. Have Good knowledge of distributed technologies, low latency, and highly scalable systems. 
11. Have Expertise in JavaScript and Node.js
12. Have Hands-on experience in Node.JS / Express.JS / Hapi.js / Koa.js (or any other Web Framework), and Relational Databases (preferably PostgreSQL)
13. Have Expertise with unit testing & Test Driven Development (TDD)
14. Have Hands-on experience in Mocha or other Javascript testing frameworks
15. Have experience working with react, python (Nice to have)
16. Have hands-on experience in developing applications using microservices, container technologies, container management systems such as Kubernetes
17. Have a strong understanding of systems using real-time interactions (web sockets, long-polling, server-sent events)
18. Have hands-on experience in the Implementation of security and data protection
19. Are eager to learn new technologies
20. Have excellent written and verbal communication skills, including the ability to write detailed technical documents.
21. Are passionate about helping teams grow by inspiring and mentoring engineers

Job brief

We are looking for a Full Stack Developer to produce scalable software solutions. Youll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.

Responsibilities

• Work with development team and product managers to ideate software solutions.
• Design client-side and server-side architecture.
• Build the front-end of applications through appealing visual design.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test software to ensure responsiveness and efficiency.
• Troubleshoot, debug and upgrade software.
• Create security and data protection settings.
• Build features and applications with a mobile responsive design in mind.
• Write technical documentation.

Requirements

• B.E./B.Tech. in Computer Science or a degree in Computer Science background.
• Experience as a Full Stack Developer or similar role (Institute or Organization level).
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, jQuery)
• Knowledge of back-end languages and JavaScript frameworks (e.g. React and Node.js)
• Familiarity with MongoDB, web servers, and UI/UX design.
• Excellent communication and teamwork skills.
• Great attention to detail.
• Organizational skills.
• An analytical mind.
• Knowledge of Cloud Platforms like AWS or GCP is a plus.

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full Stack Developer will responsible for developing and designing front end web architecture, ensuring the responsiveness of applications and working alongside graphic designers for web design features, among other duties.Full Stack Developer will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

Responsibilities

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Qualifications

• Bachelor's degree
• 1-5 years of experience in programming
• Strong communication, conceptual thinking, typography skills and design skills
• Portfolio of work