Tech Lead - Full Stack (MERN)

About Intro

Intro is a dating app where LGBTQ South Asians find love. Built by Queer Desis in New York for the 100 million queer South Asians around the globe who deserve a space of their own. Our mission: help 1 million Queer Desis find love by the end of 2026. We’re creating a safer, more intentional, and community-driven dating experience — one that celebrates identity, culture, and connection.

The Role

We’re looking for a Founding Full-Stack Engineer who thrives in 0→1 environments. You’ll take ownership of architecture, design, and execution across backend, web, and mobile (iOS/Android) — helping shape both the product and the culture of the company.

You’ll be joining at the earliest stage — working directly with the founding team on everything from feature development to infrastructure decisions and product strategy.

Responsibilities

• Architect and build scalable backend systems (APIs, data models, authentication, messaging, matching).
• Lead development across web and mobile clients (React, React Native, Swift/Kotlin).
• Collaborate on product design and iterate quickly on user feedback.
• Set up CI/CD, testing, and monitoring pipelines.
• Help define the tech culture, best practices, and early engineering team standards.
• Contribute to early hiring and mentorship as we grow.

You Might Be a Great Fit If You

• Care deeply about building for LGBTQ and South Asian communities.
• Are motivated by impact and ownership, not just code.
• Thrive in ambiguity and love solving real user problems fast.
• Want to help define the technical and cultural DNA of a mission-driven company.

Interview Process

1. AI Screen – Initial automated technical and culture-fit assessment.
2. Web Challenge – Build a small feature for the web app to demonstrate frontend and full-stack skills.
3. iOS Challenge – Build a small feature for the iOS app to showcase mobile development and design sense.
4. Android Challenge – Build a small feature for the Android app to highlight cross-platform depth.
5. Founder Chat – Meet with the Founder to discuss vision, values, and long-term fit.

What We Offer

• Competitive salary.
• Full-time (40 hours/week) with flexible hours.
• Opportunity to shape a product with global cultural impact.
• Work directly with the founding team building something that truly matters.

We are looking for a Full Stack Web Developer with 4-6 years’ experience as a web developer in the latest of technologies. As a Full Stack Developer, you will be responsible for designing and implementing web applications that deliver a seamless user experience. You will work on both the front-end and back-end development, ensuring the entire application functions effectively.

Skills Required:

• Good communication and client interfacing skills.
• Solid fundamentals in core JavaScript concepts while working on web projects for 4-6 years.
• Proficient with Frameworks like Node.js/Nest.js, Angular/React/Vue.js/Next.js along with related technologies & frameworks like HTML, CSS, Bootstrap, Material UI.
•  Good experience with Relational and/or NoSQL databases.
•  Hands-on experience in building high-quality Web applications.
• Good knowledge of at least one major cloud service provider (AWS, Azure, Google Cloud).
• Good knowledge of Docker, Docker Compose.
•  Basic Understanding of Kubernetes.
•  Good experience with Git and branching strategy (preferably GitFlow)
•  Good architectural & design skills.
•  Strong analytical, problem solving, debugging and troubleshooting skills.
•  Strong understanding of emerging technologies, standards, and best practices for development.
•  Software development experience with significant time spent working on Cloud technologies preferred.
• Agile/Scrum methodology experience.

Role & Responsibilities:

• Go to the person of the Project lead for complex feature implementations.
• Understand requirements on its own and implement them.
• Create efficient, reusable, and scalable code for both front-end and back-end.
• Optimize applications for maximum performance and responsiveness.
•  Troubleshoot and debug issues in a timely manner.
• Write and maintain technical documentation.
•  Stay up to date with the latest industry trends and best practices in web development.
•  Participate in code reviews to maintain code quality and enhance team collaboration.
• Guide junior members in the team to help them improve their skills.

Who Should apply?

Only for Serious job seekers

Technically Strong Candidates who are willing to take up challenging roles and want to raise their Career graph.

Why Think n Solutions Software?

Exposure to latest Technology. Opportunity working in different platforms Direct client interaction

Rapid Career Growth

Friendly Knowledge sharing Environment

• Must have experience in either of JavaScript frameworks: Angular  /ReactJS (Preferred)
• Must have experience in either of backend software development [J2EE, Spring Boot, Spring core, JPA] or Node.Js
• Must have experience in designing/implementing Hibernate/ORM, Restful web services, Micro Services using Java or Node Js
• Knowledge with relational/ NoSQL databases (e.g., Oracle, MySQL, MongoDB)
• Knowledge with versioning (Git or SVN) /build tools (Maven/Ant/Gradle/Junit), Unit testing & code coverage tools is desired
• Knowledge of App / Web servers (NGINX / Tomcat / Jboss Wildfly)
• Understands the process of new application development and has the ability to apply these concepts with minimal mentoring and supervision.
• Advanced knowledge experience using any of IDE (e.g., Eclipse, SonarQube, STS, VS Code)
• Knowledge on Cloud platform, technologies & deployments is an added advantage
• Resolves technical issues through debugging, research, and
• Must have experience with Agile tools

• Good knowledge in product development domains
• Knowledge in Finance and Insurance domain preferred
• Maintain quality and ensure responsiveness of
• Complete application development by coordinating requirements, schedules, and activities contributing to team meetings;
• Troubleshooting development and production problems across multiple environments and operating platforms.
• Collaborate with the rest of the engineering team to design and launch new features
• Understanding and implementation of security and data
• Ensure designs are in compliance with specifications and standards and best industry
• Usage of Process tools – JIRA, TFS, HP QC or any other agile tools, also knowledge of CMM Level 3 development process.
• Self-motivated & working independently with minimal
• Maintain code integrity and
• Experience working with graphic designers and converting designs to visual
• Follow the coding standards for java/node and angular

• Usage of troubleshooting tools like J Profiler, J Meter or application performance tuning
• Exposure to Non-web-based developments, for both mobile and
• Development experience using Docker, Kubernetes, Containerization etc in AWS or other cloud platforms
• Willing to take up proof of concepts and showcase the technical capability
• Usage of design tools Visio or draw io
• Usage of CI/CD pipeline

Responsibilities

• Use latest processes and technology in order to build scalable, distributed, and

fault-tolerant site/software systems.

• Research and evaluate new methodologies and technologies that improve the quality,

reliability, and performance of the frontend engineering’s site/software development

systems and processes

• Apply usability principles and procedures and optimize builds. Reuse through

documenting common frontend components that save the business time in executing

future projects.

• Emphasize a consumer-focused approach in building sites/software and works with both

senior and junior frontend teams in determining the prioritization and estimation of new

features and improvements.

Requirements/Qualification

• Minimum 6 years experience in software engineering. At least 3 years of frontend

experience working in React with Redux Framework

• Highly proficient in CSS3, HTML5, Javascript. Also proficient in tools like Bootstrap and

Webpack for building products across multiple screen resolutions and browsers.

• Familiarity with cross-browser compatibility issues and demonstrate design and user

interface/user experience skills.

• Excellent time management, multi-tasking and communication skills

We are looking for ambitious hands-on coders who love building web based applications from the ground up and have a special affection for all things JavaScript.

Responsibilities:

• Develop robust, web-based applications interacting with database filesystems and APIs
• Obsess about code quality and readability
• Remain updated on new and evolving client-side technologies, their application to our functionality or architecture goals
• Work closely in a multi-disciplinary structure to deliver world class solutions across web, mobile, and tablets
• Identify and establish best practices and frameworks keeping in mind parameters of performance, responsiveness, security, maintainability, extensibility, and reuse

Must have:

• At least 3 years of experience in developing web based applications with experience in Node.Js
• Skilled at Object Oriented JavaScript and having a working knowledge of at least one of the following MVC Frameworks (Angular, Backbone, Ember, React etc.).
• Knowledge of database, preferably some NoSQL DB like Mongo.
• Familiar with Git version control system

Role Description:

• Design, build, and maintain applications using Node.JS
• Hands-on working on various Azure PAAS services.
• Good problem solving abilities along with strong understanding of Data structures, various design patterns & algorithms.
• Enhance existing services and applications to increase availability, reliability, and scalability in a microservices environment
• Work across the engineering team to build new features and services at scale
• Improve engineering tooling, process, and standards to enable faster, more consistent, more reliable, and highly repeatable application delivery
• Remain engaged with latest technology trends and understand operational challenges to continually evolve application delivery processes and platform components
• Support platform technology decisions based on performance metrics and operational SLAs
• Provide guidance and best practices around security for applications and platform infrastructure

Qualifications:

• 3+ years software development experience using Node.JS
• Must have experience & understanding of working on Azure PAAS services.
• Strong understanding of Azure PAAS services like Services, Service Bus, etc.
• Exposure/understanding of JavaScript frameworks like Angular.JS/React.JS is added advantage.
• Experience with database and cloud technologies
• Understand the benefits of microservices, but also understand the challenges they bring and current trends on how to address those challenges
• Strong written and verbal communication skills
• BS degree in Computer Science or equivalent, Master’s degree preferred.