Mean Stack Developer

• Minimum 4+ years of experience building Java & React JS/Node JS applications, in a service-based architecture.
• Need hands on current experience on Java 8+, React JS/Node JS and above, Java script, Angular JS, JUnit, XML, Spring, Spring Boot, rest APIs, and SQL. 
• Hands on experience with version control, build integration and messaging technologies.
• Need to demonstrate in-depth understanding of OOO principles, design patterns and threading techniques.
• Strong web Services background required.
• Must be able to interact with all levels of personnel within the organization and be effective with both business and technical teams.
•  Ability to deal with ambiguity and define approaches to bring unfocused issues to resolution
• Excellent written and oral communication skills for managing interactions both within the team and without.
• Very strong attention to detail and organizational skills. Strong work ethic

At Intain, we fuse blockchain, analytics, and AI to power next-gen platforms for structured finance.

Join us to build on the cutting edge—smart-contract rails, real-time analytics, and AI-assisted workflows—all in one product stack.

What You’ll Do

• Own features end-to-end: design → code → test → deploy → iterate.
• Build modern web apps (React.js / Node.js, REST/GraphQL) that move real money.
• Automate quality with tests, CI/CD, and cloud (Azure).
• Use AI dev assistants to hit our “1 dev = 4 devs” productivity bar.

Our Stack

React.js · Node.js · Go · Snowflake · Azure · Kubernetes · Git Workflows · Postgres/MongoDB · Solidity

You Bring:

• Proven full-stack delivery in JS/TS (React + Node).
• Habit of shipping clean, production-ready code—fast.
• Comfort treating AI coding tools as teammates, not toys.
• Ownership mindset: measured by what you deliver, not tenure.
• Blockchain dev experience = bonus (not required).

Why Intain?

• Openings for Tech Lead and Senior Engineer — core seats on a small, high-output team.
• Compensation & ESOPs tied directly to shipped value.
• Chance to redefine capital markets with tech that actually ships.

📍 About Us

Intain is transforming structured finance using AI, blockchain, and real-time analytics to streamline transactions, improve transparency, and scale impact.

About the Role :

We are seeking a highly skilled Lead Software Developer with a strong background in SaaS product development and expertise in designing scalable, secure, and resilient systems. You will lead the technical architecture of our cloud-native platforms, manage cross-functional

engineering efforts, and implement best practices across backend, frontend, and infrastructure layers.

This is a leadership role based on-site in Jaipur and ideal for someone who enjoys solving complex system challenges and building high-impact software.

Key Responsibilities:

● Lead the design and implementation of scalable SaaS application architecture

● Architect and develop solutions using Laravel, NestJS, Node.js, and AWS

● Build and manage microservices and serverless infrastructure for high availability and maintainability

● Implement and manage asynchronous and parallel request handling for optimized system performance

● Design and scale load handling and queue management systems using BullMQ and Redis

● Develop and integrate real-time data workflows using webhooks and external APIs

● Configure and manage Node.js clusters for performance and fault tolerance

● Collaborate with frontend developers working on React and Vue.js to deliver seamless UI/backend integration

● Ensure code quality, observability, and maintainability across services

● Monitor, debug, and resolve issues in production using logs and performance tracking tools

● Drive CI/CD implementation, infrastructure automation, and DevOps practices

Required Skills & Qualifications:

● 5 - 7 years of experience in full-stack or backend software development

● Proven experience as a Lead Developer on SaaS products

● Proficient in Laravel, NestJS, and Node.js

● Deep understanding of BullMQ, Redis, and message/queue-based architectures

● Experience with asynchronous processing, parallel request handling, and load distribution

● Proficient in microservices and serverless architecture patterns

● Strong command of AWS (EC2, Lambda, RDS, S3, API Gateway, IAM, CloudWatch)

● Hands-on experience with webhooks, job queues, background tasks, and rate-limiting strategies

● Familiarity with Node.js cluster mode and scaling strategies

● Solid experience in debugging, tracing, and performance monitoring

● Frontend integration experience with React or Vue.js (please specify your exposure)

● Strong leadership, collaboration, and mentoring abilities

Preferred Skills (Nice to Have):

● Experience with Docker, Kubernetes, and CI/CD pipelines

● Exposure to event-driven architecture and multi-tenant SaaS platforms

● Familiarity with observability tools such as Grafana, Datadog, or New Relic

1. Building products that impact millions
2. Working on really tough problems that challenge you
3. Being part of a small team where you are impactful

1. 50K+ API requests/min
2. 25K+ concurrent users every second

• A team that loves coding & building exceptional quality products
• Challenges that will push you beyond your limits
• A democratic place where everyone is heard & aware
• No hierarchy, politics, bosses, managers or anything like that
• And most importantly, Happy Vibes!

Your Responsibilities:

• Own the backend stack – Node.Js based, that powers our product
• Collaborate with Backend Developers (Python), Front-end developers, DevOps, and Data Scientists to design and implement new features
• Build and maintain several REST’ful Services/Endpoints which will be used both internally and externally in a Macroservices/Distributed services environment.
• Deploy and monitor the Services/Endpoints ensuring availability and scalability(ability to handle 100X traffic)
• Work on full project lifecycle starting from requirements gathering/understanding the problem to deploying and maintaining the project.

Skills that you bring Along:

• A minimum 8+ years of extensive work experience with Node.Js and related frameworks – particularly Express.Js.
• Extensive experience in designing and maintaining REST’ful API endpoints
• Extensive experience with databases such as Postgres and Mongo.
• Extensive experience in Cloud Infrastructure (AWS based) – e.g. AWS API Gateway, Lambda Functions etc.
• Experience with cache like Redis and/or Memory cache
• Good experience in Microservices/Macroservices or Event driven Architectures
• Good experience with design patterns
• Experience in writing advanced SQL-queries, good knowledge of PL/SQL
• Good understanding of Software Design Principles and domain-driven design
• Good experience with Continuous Delivery and Containerization(Docker)
• Ideally maintaining infrastructure-as-code using Terraform
• Excellent communication skills and the ability to explain complex topics in a simple manner

We are the fastest growing SAAS platform in our segment. With offices in USA, UAE and INDIA we are focused on exponential growth over the next couple of years and we need rockstar team members who want to be part of this journey. We have over 12 positions open in tech such as Front end, Back end, Fullstack - MERN , UI/UX, ML and a lot more. 

Full Stack Developer 2+ yrs exp mandatory

Responsibilities:

• Architecting and developing backend web applications / APIs
• Backend integration with SQL/No-SQL databases, and other external services/APIs
• Integration of web application frontend and backend
• End-to-end performance and optimisation of the web/mobile application
• Frontend development of UI/UX using latest technologies and best practices
• Integrating external services to frontend for various needs
• Work with QA team to ensure test coverage and execution
• Create and automate unit test cases and conduct regular code reviews
• Work with business team to ensure application meets requirements and expectations of external and internal clients
• Work effectively in Agile environment
• Provide estimates and create user stories as part of agile methodology
• Work effectively with other members of same and external teams
• Work on multiple projects at the same time if need be

Requirements:

• Expertise in JavaScript based frontend and backend frameworks (MERN preferred)
• Expertise in AWS
• Expertise in developing full-stack JavaScript systems
• Experience in creating REST APIs
• Proficiency in working with Open source technologies is a plus
• Expertise in developing modern fluid web interfaces with latest technologies
• Experience with developing hybrid mobile apps
• Self-motivated and can work without much supervision
• Works well independently as well as in team environment
• Strong problem solving and analytical skills
• Excellent communication and interpersonal skills
• Experience working with international clients preferred
• Experience working with Git
• Experience with working on real time systems
• Experience working with SQL and non-SQL database systems
• Full Stack Development: 3 years + required

• Previous experience working as a React.js Developer.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles
• Familiarity with RESTful APIs
• Knowledge of performance testing frameworks including Mocha and Jest.
• Familiarity with code versioning tools (such as Git )
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.