Principal Fullstack Developer

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.

We are seeking a highly skilled and experienced MERN (MongoDB, Express.js, React, Node.js) Stack Developer to join our dynamic development team. As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining scalable web applications using the MERN stack framework.

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Expertise in backend programming with Node.js and MongoDB.
• Experience with React.js and redux.
• Material UI and 3rd party libraries.
• Experience with clean code writing practices like avoiding callback hell like promises, async.
• Thorough understanding of Node.js and its core principles.
• Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of ECMAScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Familiarity with modern front-end builds pipelines and tools.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

Responsibilities:

• Build Node.js APIs using microservices.
• Rewriting backend code with microservices architecture & Unit tests.
• Developing new user-facing features using React.js.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• 
  

If you are a passionate MERN Stack Developer looking for an exciting opportunity to work on challenging projects and be part of a talented team, we would love to hear from you. Please submit your application, including your resume and portfolio, highlighting your relevant experience and projects.

Job Description: Principal Engineer (Full Stack Architect)

Job Title: Full Stack Architect

Location: Hyderabad, India

Experience: 15Years to 20 years (4+ years in Enterprise Architecture)

Technology Stack: MERN (MongoDB, Express, React, Node.js), Distributed Systems, Cloud (GCP/Azure), Neo4j, Vector Databases, SQL and NoSQL Databases, Knowledge Graphs.

Industry: Enterprise Software, Large-Scale Distributed Systems, Machine Learning

Job Summary

As a Full Stack Architect, you will play a pivotal role in designing and architecting large-scale distributed systems with a strong focus on the MERN stack (MongoDB, Express.js, React, Node.js). You will lead the design and implementation of enterprise-grade software solutions that leverage cloud infrastructure (GCP/Azure), knowledge graphs (Neo4j), vector databases, and machine learning at scale. In this role, you will work closely with cross-functional teams including data scientists, cloud engineers, and front-end developers to deliver high-performance, secure, and scalable applications.

This role requires a deep understanding of distributed systems architecture, graph databases, machine learning systems, and cloud computing, with a strong focus on building solutions that meet business and technical needs. The ideal candidate will have 12+ years of experience with a proven track record of architecting full-stack systems and leading engineering teams in a fast-paced, innovative environment.

Roles and Responsibilities

Full Stack Architecture: Design, develop, and maintain highly scalable, distributed, and fault-tolerant enterprise applications using the MERN stack (MongoDB, Express.js,

React, Node.js).

Distributed Systems: Architect and design large-scale distributed systems that handle high- volume, low-latency data processing.

Cloud Engineering: Implement and maintain cloud infrastructure solutions on GCP or AWS,ensuring high availability, scalability, and performance.

Knowledge Graphs and Databases: Design and optimize complex data models using Neo4j, vector databases, and other NoSQL solutions to manage interconnected data efficiently.

Enterprise Solutions: Architect and deliver cloud-native enterprise software solutions that meet enterprise-grade security, compliance, and performance requirements.

Data Structure & Algorithms (DSA): Lead by example in writing efficient, high-performance code and optimize software with a strong focus on algorithms, data structures, and system design principles.

Collaboration: Work with engineering, data science, and product teams to translate business requirements into scalable technical solutions.

Mentorship: Mentor junior engineers and foster a collaborative team environment.

Performance Optimization: Ensure system performance, scalability, and reliability throughcode reviews, optimizations, and best engineering practices.

Documentation & Best Practices: Maintain comprehensive architecture documentation and promote engineering best practices across teams.

Mandatory Requirements

Experience: 12+ years of full-stack development experience, with significant expertise

in building and architecting applications using the MERN stack (MongoDB, Express.js,

React, Node.js).

 Distributed Systems: Proven track record of architecting and implementing large-scale

distributed systems with a focus on reliability, scalability, and performance.

 Cloud Expertise: Extensive hands-on experience with cloud infrastructure (GCP or AWS),

with a deep understanding of cloud services such as compute, storage, networking, and

security.

 Database Systems: Expertise in NoSQL databases like MongoDB and graph databases like

Neo4j. Experience with vector databases for high-dimensional data processing.

 Knowledge Graphs: Hands-on experience in designing and working with knowledge graphs

for solving complex data relationships.

 Data Structures & Algorithms: Strong knowledge of DSA with practical experience in

solving complex technical challenges.

 Microservices Architecture: Experience in designing and developing microservices-based

architectures and ensuring high availability.

 DevOps ; Automation: Knowledge of DevOps practices (CI/CD), containerization (Docker), and orchestration (Kubernetes).

 Agile Methodologies: Experience with Agile development methodologies, including SCRUM, TDD, and iterative development.

Nice-to-Have Requirements

 Front-End Expertise: Advanced experience with React.js, with knowledge of modern front- end technologies (Next.js, Redux, TypeScript).

 Cloud Certifications: Google Cloud Professional Architect or Azure Certified Solutions Architect certifications.

 Data Engineering: Hands-on experience with data pipelines, ETL processes, and big data technologies (e.g., Apache Spark, Kafka).

 AI/ML Ops: Experience in deploying machine learning models using MLOps frameworks and automating ML pipelines.

 Graph Analytics: Experience in graph algorithms and analytics, with the ability to model and query complex relationships in a graph database.

 System Design: Experience in conducting system design reviews, providing insights into performance bottlenecks, scalability, and trade-offs.

 Security & Compliance: Knowledge of enterprise-level security protocols and data privacy compliance frameworks (e.g., SOC2, GDPR).

Leadership: Proven experience in leading cross-functional teams, setting technical roadmaps, and ensuring alignment between business and technical goals.

Key Responsibilities:

• Frontend Development: Build responsive, modern, and engaging user interfaces using React.js, ensuring a seamless user experience across all devices.
• Backend Development: Design and implement RESTful APIs, manage databases, and handle business logic using Node.js and Express.js.
• Database Management: Build and manage MongoDB databases, including schema design, data modeling, and query optimization.
• Cross-functional Collaboration: Work closely with UX/UI designers, product managers, and other developers to deliver high-quality, performant web portals.
• Performance Optimization: Implement best practices for performance tuning, scalability, and reliability across both frontend and backend.
• Code Quality: Write clean, maintainable, and efficient code, adhering to best practices, and conduct code reviews for your peers.
• Testing and Debugging: Write unit and integration tests, and debug issues to ensure stability, security, and quality in production.

Qualifications:

• Proven experience (3+ years) in full-stack web development using the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Strong understanding of HTML5, CSS3, and JavaScript (ES6+), along with modern JavaScript frameworks and libraries.
• Experience with state management in React (e.g., Redux, Context API).
• Solid understanding of RESTful API design, asynchronous programming, and Node.js server-side development.
• Hands-on experience with MongoDB and integrating databases with Node.js.
• Familiarity with modern development tools and workflows such as Git, CI/CD pipelines, and containerization (Docker).
• Strong problem-solving abilities and an eye for detail.
• Ability to work in an agile development environment, with a focus on continuous delivery and iterative improvement.
• Excellent communication skills and the ability to collaborate effectively with cross-functional teams.

Preferred Qualifications:

• Familiarity with additional frontend technologies such as TypeScript, GraphQL, or Next.js.
• Experience with cloud platforms (AWS, Azure, GCP) and serverless architectures.
• Knowledge of performance optimization techniques and scalability best practices.
• Understanding of DevOps processes, containerization, and microservices architecture.

Why Join Us?

• Innovative Projects: Work on cutting-edge, high-impact projects that challenge your technical skills and creativity.
• Collaborative Culture: Join a team of talented professionals who are passionate about technology, learning, and continuous improvement.
• Career Growth: We offer opportunities for mentorship, skill development, and career advancement.
• Flexible Work Environment: Enjoy a healthy work-life balance with options for remote work, flexible hours, and more.

Job description:

Red Ant Media helps its clients in building digital creative solutions to help them achieve their business goals. As an outsourced product development company, we embrace the crossroads of Creative design, Web development, Web design, and Digital Marketing.

We are a data-driven agency, who bring together data-driven insights, user objective, brand, technology, content, and creative vision.

Experience: 1 -2 years

Location: Chennai

Roles and Responsibilities:

• Integration of user-facing elements developed by front-end developers with server-side logic
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection
• Integration of data storage solutions ( MySQL, MongoDB)
• Creating database schemas that represent and support business processes.
• Understanding the nature of asynchronous programming and its quirks and workarounds

Skills Required:

• Knowledge of Node.js and framework available for it (such as express).
• Familiarity with Progressive Web Applications and Single Page Applications and frameworks (Vue, React, Angular with Typescript, etc).
• Hand on and implement complex Angular applications, directives, pipes, interceptors, services, etc.
• Node-based module loaders and task runners (Webpack, Gulp, or Grunt), creating npm modules.
• Proficient understating of code versioning tools, such as GIT.
• Basic understanding of front-end technologies, such as HTML5, SCSS, and CSS3.

What you must have: