Full stack Deveoper at iONHealth · Remote only · 6 - 13 years · ₹30L - ₹50L / yr (ESOP available) · Raised funding · Remote only · Posted 18 Jul 2025

🌟 About Us:
We create AI solutions for hospitals, combining scientific rigor with startup agility.
iON Health's SmartAI is an AI-powered tool developed to help clinicians interact with a patient's medical record using natural language, transforming how healthcare providers access and synthesize clinical data
Founded by serial entrepreneurs with more than 15 successful exits, we offer the opportunity to work alongside elite engineers, clinicians, and product innovators to improve the health of millions of patients each year.
🎯 What We’re Looking For:
- 7+ years of experience with React.js (front-end) and Node.js/Express (back-end).
- Solid understanding of relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
- Experience with cloud platforms (AWS/GCP/Azure) and CI/CD pipelines.
- Comfort working in fast-paced, ambiguous environments with high ownership.
- Prior experience in AI/ML, healthcare, or enterprise software.
- Must Have: Bachelors in Engineering from IIT/NIT/IIIT or similar institutions.
- Good to have: Experience in AI focused startups, early-stage teams, or as a founding engineer.
🛠 What You’ll Do:
- Design, develop, and deploy scalable web applications across the stack (front-end + back-end).
- Collaborate with founders, designers, and other engineers to take features from concept to production.
- Write clean, maintainable, and efficient code using [React.js, Node.js, TypeScript, or your tech stack].
- Work on database design and API development (REST/GraphQL).
- Optimize applications for maximum speed and scalability.
- Contribute to architectural decisions and set up best practices for the team.
- Be hands-on with debugging, testing, and performance tuning.
💡 Why Join Us?
- Work alongside elite engineers, clinicians, and product innovators
- Competitive salary + equity options (you’ll grow as the company grows)
- Fast decision-making and zero bureaucracy
- Shape the future of AI in healthcare

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Job Summary:
We are looking for a Senior Full Stack Engineer with 8+ years of experience in designing, developing, and maintaining scalable web applications. The candidate should have strong experience in Java, Node.js, AWS, React, and Angular, with the ability to work across both frontend and backend technologies.
Roles & Responsibilities:
- Design, develop, and maintain scalable full-stack applications.
- Develop backend services and APIs using Java and Node.js.
- Build responsive and user-friendly web applications using React and Angular.
- Design and integrate RESTful APIs and backend services.
- Deploy, manage, and troubleshoot applications on AWS cloud services.
- Work with databases and ensure efficient data management.
- Collaborate with product, QA, and other engineering teams.
- Perform code reviews and ensure coding standards and best practices.
- Troubleshoot production issues and provide effective solutions.
- Participate in Agile development, sprint planning, and technical discussions.
- Contribute to application performance, scalability, security, and reliability.
Mandatory Skills:
- 8+ years of experience in software/full-stack development.
- Strong hands-on experience in Java and Node.js.
- Strong experience in React and Angular.
- Good hands-on experience with AWS.
- Experience in developing and integrating REST APIs.
- Strong understanding of full-stack application development.
- Good problem-solving and communication skills.
Role Overview
We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.
Key Responsibilities
• Full Stack Development: Build and maintain end-to-end features using the PERN stack
(PostgreSQL, Express.js, React, Node.js).
• Database Optimization: Design complex relational models and optimize SQL queries to
handle high-volume financial data and audit trails.
• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data
encryption) and ensure the platform adheres to fintech standards like PCI-DSS.
• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,
payment processors (Stripe/Plaid), and KYC providers.
Technical Requirements
• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)
and modern CSS (Tailwind/Styled Components).
• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous
programming and secure API design.
• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and
migrations).
Additional skills
• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).
• Familiarity with SOC2 or ISO 27001 compliance frameworks.
• Cloud (AWS): Proven experience with:
- RDS/Aurora for managed databases.
- IAM for secure access management.
- AWS Lambda & API Gateway for serverless architecture.
- CloudWatch for monitoring and alerting.
• Tools: Git, Docker, and experience with CI/CD workflows.
About US
RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.
We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.
Why Work With Us?
1. Build the Foundation, Not Just Features
You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.
2. Solve Problems That Matter
Fintech is one of the few industries where code has a direct, measurable impact on people's lives.
Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.
Job Overview
We are hiring a Senior Full-Stack Engineer to design and scale high-performance web applications. You will drive technical decisions using React, Node.js, and TypeScript while building event-driven cloud architectures.
Key Responsibilities
- Develop scalable frontend features using React and robust backend APIs with Node.js/TypeScript.
- Architect and deploy cloud-native microservices on AWS.
- Implement asynchronous communication using messaging tools like Kafka, RabbitMQ, SQS, or SNS.
- Optimize SQL/NoSQL databases and maintain automated CI/CD pipelines.
- Mentor junior developers and lead code reviews.
Required Skills
- 6+ years in full-stack software development.
- Mastery of TypeScript, React.js, and Node.js.
- Hands-on experience with AWS and modern messaging queues.
- Strong problem-solving and communication skills.
Location: Hyderabad
We are looking for a Senior Full-Stack Developer with strong experience in modern web and mobile application development.
Requirements:
* 4+ years of full-stack development experience
* Strong Node.js, TypeScript and React.js
* Hands-on React Native experience
* Strong PostgreSQL, Redis and REST API knowledge
* Experience with WebSockets and real-time systems
* Good knowledge of AWS, Docker and CI/CD
* Experience with third-party API integrations
* Strong understanding of scalable architecture and application security
* Experience with GPS/geolocation or real-time applications is a plus
* Strong problem-solving and debugging skills
* Ability to work independently and deliver within tight timelines
* Experience taking applications from development to production
Preferred: Experience in taxi, logistics, delivery, marketplace or booking platforms.
We are looking for an experienced Full Stack Developer to join our in-office engineering team in Hyderabad. You will build and maintain scalable, secure, multilingual web and mobile-facing products end to end — from intuitive front-end interfaces to robust back-end services and APIs.
Key Responsibilities
- Design, develop, and maintain front-end (React.js) and back-end (Node.js/Express.js) components.
- Build and integrate secure REST APIs and manage databases (MongoDB / SQL).
- Write clean, testable, well-documented code and participate in code reviews.
- Collaborate with product, design, and QA teams to ship features on schedule.
- Optimise applications for performance, scalability, and security.
- Troubleshoot, debug, and resolve production issues.
Requirements
- 3–10 years of hands-on full-stack development experience.
- Strong proficiency in React.js, Node.js, JavaScript/TypeScript, and REST APIs.
- Solid experience with databases (MongoDB and/or SQL) and version control (Git).
- Good understanding of responsive design, security best practices, and cloud deployment.
- Strong problem-solving skills and the ability to work on-site in a collaborative team.
What We Offer
- Competitive salary
- Opportunity to work on a fast-growing, cross-border product.
- A collaborative, in-office team environment in Hyderabad.
Full Stack Engineer
About the Company
We are building an AI-powered platform that transforms credit origination by automating manual bottlenecks and enabling lenders to process more loans with greater accuracy and lower risk. Our mission is to revolutionize the $3 trillion+ asset-based finance market through advanced AI technology, deep industry expertise, and strategic partnerships.
The Opportunity
Join us at an exciting stage of growth as we build and scale an enterprise-grade financial technology platform. As a Full Stack Engineer, you will play a key role in developing core platform features, including a proprietary decisioning system, robust data security for AI applications, and advanced document-processing tools.
Your work will help automate document verification, data extraction, and decision-support workflows. You will collaborate with experienced engineers in a fast-paced, product-focused environment, working with technologies such as Node.js, PostgreSQL, Python, and React.
This is an opportunity to contribute to a high-growth startup, solve real-world financial challenges, and build scalable AI-powered solutions.
Key Responsibilities
1. Full Stack Development
- Design, develop, and maintain full-stack web applications using Node.js, Python, PostgreSQL, GraphQL, and React.
- Build scalable, reliable, and maintainable application features.
- Develop responsive and efficient user interfaces integrated with robust backend services.
2. AI and Document Processing
- Build Python-based AI pipelines to automate document processing and underwriting workflows.
- Contribute to document verification, data extraction, and decision-support capabilities.
- Support the integration of AI-powered features into the core platform.
3. Collaboration and Product Development
- Collaborate with product and engineering teams to translate user requirements into scalable and efficient code.
- Participate in technical discussions and contribute to feature planning and implementation.
- Work closely with team members to deliver high-quality product features.
4. Performance and Scalability
- Optimize application performance and ensure efficient data flow and real-time functionality.
- Identify and resolve technical issues across the application stack.
- Contribute to architectural decisions that support platform scalability and long-term growth.
5. Code Quality and Deployment
- Participate in code reviews, testing, debugging, and deployment.
- Follow software development best practices to ensure code quality, reliability, and maintainability.
- Contribute to CI/CD pipelines and application deployment processes.
Required Qualifications
- 3+ years of professional experience as a Full Stack Engineer.
- Strong proficiency in Node.js and PostgreSQL, with experience in Python and hands-on experience with React.
- Experience developing and maintain
Job Description: React + Node.js Full Stack Developer
Experience: 4+ Years
Location: HP, Bellandur Office, Bangalore
Joining: Immediate Joiners Only
Job Overview
We are looking for an experienced React + Node.js Full Stack Developer to build scalable, responsive, and high-performance web applications. The ideal candidate should have strong hands-on experience in React.js for frontend development and Node.js with Express.js for backend development.
Mandatory Skills
- React.js
- Node.js
- Express.js
- JavaScript (ES6+)
- REST API development and integration
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js.
- Build scalable backend services and APIs using Node.js and Express.js.
- Design, develop, and integrate RESTful APIs.
- Integrate frontend and backend systems.
- Work with databases such as MongoDB, MySQL, or PostgreSQL.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and Agile development activities.
- Implement authentication and authorization mechanisms.
Preferred Skills
- Redux or Context API
- MongoDB, MySQL, or PostgreSQL
- Git version control
- JWT / OAuth authentication
- Basic knowledge of AWS, Azure, or GCP
Candidate Requirements
- Minimum 4 years of relevant development experience.
- Strong hands-on experience in both React.js and Node.js.
- Good understanding of full-stack application development.
- Immediate joiners only, due to urgent project requirements.
- Must be comfortable working from the HP Bellandur office in Bangalore.
About Vijay Sales
Vijay Sales is a consumer electronics and appliances retailer, selling through its stores across India, its website and its app.
Our technology team builds the software the business runs on: order management, customer support automation over WhatsApp, reviews and ratings, and the dashboards our operations teams use every day.
The role
We are hiring full stack engineers who can take a feature from spec to production across React, Node.js and MongoDB.
You will work on customer-facing and internal products, often both in the same week. One sprint may be a review submission page used by customers on their phones. The next may be an API that pulls order status from our order management system for the support bot.
We are looking for engineers with 3 to 6 years of experience who are comfortable owning both the front end and the back end of what they ship.
What you'll do
- Build responsive, mobile-first interfaces in React using our in-house UI component libraries.
- Design and build REST APIs and background services in Node.js.
- Model data in MongoDB and keep queries fast as collections grow.
- Integrate with the systems the business runs on: order management, ERP, point of sale and ticketing.
- Build messaging flows over WhatsApp, email and SMS, including delivery tracking, retries and fallbacks.
- Work with the conversational AI team to expose order, invoice and support actions to the customer support bot.
- Write tests, review code and own your features in production, including monitoring and fixing what breaks.
- Work directly with product and operations teams to turn a business problem into a working release.
Our stack
React, Node.js and MongoDB are the core. Everything else in the table is what you will connect to or build alongside.
- Front end: React, with Vijay Sales' in-house UI component libraries
- Back end: Node.js services and REST APIs
- Database: MongoDB
- Messaging: WhatsApp Business, Amazon SES for email, RCS and SMS as fallback
- Conversational AI: LangChain and Rasa, behind the customer support bot
- Business systems: Order management (OMS), ERP, POS, Ticketing Systems
What we're looking for
- 3 to 6 years of professional experience building and shipping web applications.
- Strong JavaScript and TypeScript fundamentals: async patterns, the event loop, modules, error handling.
- Solid React skills: hooks, state management, component design, performance on low-end mobile devices.
- Hands-on Node.js experience: building REST APIs, authentication with JWT, role-based access, input validation.
- Working knowledge of MongoDB: schema design, indexing, aggregation pipelines.
- Experience integrating third-party APIs and webhooks, and handling their failures gracefully.
- Comfort with Git, code review, automated tests and CI/CD.
- Clear written and spoken communication. You will talk to operations and business teams, not only engineers.
Nice to have
- Experience with the WhatsApp Business API, Gupshup or similar messaging platforms.
- Exposure to LLM application development: LangChain, retrieval, tool calling, or bot frameworks such as Rasa.
- Background in retail, e-commerce or order management systems.
- Experience integrating with ERP or POS systems.
- Familiarity with AWS, Redis and message queues.
- React Native or other mobile app experience.
Why join and how to apply
- Your work reaches real customers and store teams quickly. There is very little distance between a release and the people who use it.
- You own features end to end, from the first conversation with the business team to production.
- You get hands-on exposure to conversational AI and LLM-based products alongside core full stack work.
Job Description:
We are looking for an experienced Senior Full Stack Engineer with strong expertise in Java, Node.js, frontend technologies, AWS cloud services, and basic AI integration.
Required Skills:
- Java, Spring Boot, Node.js
- React / Angular / Vue.js
- REST APIs, SOA, Microservices
- AWS EC2, Lambda, EKS, CloudWatch
- AWS CDK, CloudFormation
- Docker, CI/CD
- MongoDB, AWS Architecture
- Basic experience with Amazon Bedrock / AI Integration
Important Requirements:
- 7–12 years of relevant experience.
- Must be currently based in Bangalore.
- Immediate joiners or candidates serving notice up to 25 days only.
- No relocation candidates.













