React.js 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.

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.

We are seeking a skilled Senior Software Development Engineer (SDE-3) proficient in MERN stack technologies to join our dynamic team.

Responsibilities:

• Design, develop, and maintain scalable web applications and services using MERN stack technologies (MongoDB, Express.js, React.js, Node.js) and Nest.js.
• Implement frontend components and user interfaces using React.js and Next.js.
• Develop and integrate server-side logic using Node.js, Express.js, and Nest.js.
• Utilize MongoDB and SQL databases to manage and optimize data storage solutions.
• Implement real-time communication and event-driven architectures using technologies like Socket.io.
• Deploy applications on AWS cloud infrastructure, leveraging services such as EC2, S3, Lambda, DynamoDB, and others as required.
• Ensure code quality, performance, and adherence to best practices through code reviews and automated tests.
• Collaborate effectively with cross-functional teams including product managers, designers, and other developers.
• Stay updated with emerging technologies and industry trends to continuously improve development practices and tools.

Requirements:

• Bachelor’s degree in Computer Science, Engineering, or a related field (preferred).
• 5+ years of experience in software development with expertise in MERN stack technologies.
• Proficiency in Node.js, Next.js, React.js, Express.js, Nest.js, JavaScript, and TypeScript.
• Strong understanding of MongoDB and SQL databases, including database design and optimization.
• Experience building and deploying applications on AWS cloud infrastructure (EC2, S3, Lambda, DynamoDB).
• Familiarity with real-time web applications and event-driven architectures using technologies like Socket.io.
• Solid understanding of software development principles, design patterns, and best practices.
• Excellent problem-solving skills and ability to troubleshoot complex issues.
• Effective communication and collaboration skills, with the ability to work both independently and as part of a team in a fast-paced environment.

Full Stack Developer

This position would design scalable, efficient and maintainable software architectures using Node.js

We are building a online platform for millennial and gen z moms and parents to surround them with support at every step of their parenting journey, right from planning a baby to 12 years of child. We would like to be their trusted 24*7 parenting guide, prepare for every new moment just in time and make every need available at a click of a button. With 90k+ babies born every day and increasing number of working mothers in urban nuclear India, our vision is to create a world of healthy pregnancies, thriving children and confident parents.

Founded by ex-3M, Gillette, Cargill folks, we have are moving fast now :-

·      50K installations in last 6 weeks

·      > 2 Million hits on the content site since going live in early 2021

·      Raised 2 rounds of investment

About the Role

Technical:-

·      Architect and Design: Collaborate with cross-functional teams to design scalable, efficient, and maintainable software architectures using Node.js.

·      Backend Development: Develop and maintain server-side applications and APIs using Node.js, ensuring high performance, responsiveness, and security.

·      Code Implementation: Write clean, well-organized, and documented code that aligns with best practices and coding standards.

·      Database Management: Hands-on experience, with MongoDB

·      Troubleshooting and Bug Fixing: Identify and resolve technical issues, bugs, and performance bottlenecks promptly.

·      Code Reviews: Conduct thorough code reviews to ensure code quality, maintainability, and adherence to architectural guidelines.

·      Performance Optimization: Analyse and optimize application performance through profiling, tuning, and implementing best practices.

·      Technology Evaluation: Stay up-to-date with the latest trends and advancements in Node.js and related technologies, and make recommendations for technology adoption

Non-Technical:-

·      Collaboration: Collaborate with frontend engineers, product managers, and other stakeholders to deliver seamless end-to-end features and enhancements.

·      Mentorship: Provide guidance and mentorship to junior developers, sharing your knowledge and expertise in Node.js development.

What you have to offer

Must-Have:-

·      Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent work experience).

·      Minimum of 4-5 years of professional experience in backend development, with at least 2-3 years focused on Node.js.

·      Strong proficiency in Node.js and JavaScript, including asynchronous programming, event-driven architecture, and familiarity with frameworks like Express.js.

·      Experience working with databases such as MySQL, MongoDB, or PostgreSQL, including database design and optimization.

·      Proficiency in version control tools (e.g. Git) and collaborative development workflows.

·      Solid understanding of RESTful API design principles and best practices.

·      Excellent problem-solving skills and the ability to debug complex issues.

Good To Have :-

·      Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform.

·      Prior experience with frontend technologies (HTML, CSS, React, etc.) is a bonus.

·      Contributions to open-source projects, tech blogs, or relevant certifications are advantageous.

·      Experience with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.

Srijan is hiring for the position of Senior JavaScript Developer (React & Node)

with a remote working option.

Skills Required:

• Minimum 3-5 years of experience as a Front-end Developer

• Possess Responsive/Mobile Design Skills

• Knowledge of Cross-Browser Development

• Knowledge of JavaScript frameworks like NodeJS, ReactJS etc.

• Worked on Front End Frameworks like Bootstrap

• Worked on markup languages like HTML, HTML5

• Worked on JavaScript, CSS, and jQuery

• Excellent knowledge of browser troubleshooting and debugging practices and techniques

• Knowledge of some SEO principles

• Knowledge of graphics software such as Adobe Suite, Photoshop, etc.

• Sense of ownership and pride in your performance and its impact on the company’s success

• Critical thinker and problem-solving skills

• Team player

• Good time-management skills

• Good interpersonal and communication skills

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

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
• Creating APIs and backend systems
• Scraping sites and creating backend dashboards for data management
• Experience with React.js and native is a plus but not required
• Backend infrastructure management and deployment
• Experience with MongoDB, Express is a plus.