
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.

About Immersive Infotech Private Limited
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Mission
Own architecture across web + backend, ship reliably, and establish patterns the team can scale on.
Responsibilities
- Lead system architecture for Next.js (web) and FastAPI (backend); own code quality, reviews, and release cadence.
- Build and maintain the web app (marketing, auth, dashboard) and a shared TS SDK (@revilo/contracts, @revilo/sdk).
- Integrate Stripe, Maps, analytics; enforce accessibility and performance baselines.
- Define CI/CD (GitHub Actions), containerization (Docker), env/promotions (staging → prod).
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Requirements
- 6–10+ years; expert TypeScript, strong Python.
- Next.js (App Router), TanStack Query, shadcn/ui; FastAPI, Postgres, pydantic/SQLModel.
- Auth (OTP/JWT/OAuth), payments, caching, pagination, API versioning.
- Practical CI/CD and observability (logs/metrics/traces).
Nice-to-haves
- OpenAPI typegen (Zod), feature flags, background jobs/queues, Vercel/EAS.
Key Outcomes (ongoing)
- Stable architecture with typed contracts; <2% crash/error on web, p95 API latency in budget, reliable weekly releases.
● Strong in data structure and algorithms
● Experience in Node.js, Express, API Design & DOM
● Understanding of component based design or other design patterns
● Experience with unit testing, integration testing & continuous integration
● RDBMS and NoSQL databases preferably PostgreSQL, MongoDB
● Good to have passion for investing
Position Responsibilities
● Be honest, reliable & consistent
● Write efficient & clean code
● Have a strong sense of ownership
● Be a part of development & maintenance of our company web app, Operations dashboard and
other 3rd party products we own
● Contribute to improving the quality of engineering process & engineering culture
Software Engineer/ Associate Software Engineer Full stack/ Java track/ UI/ Android
Skills required: -
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Strong knowhow of data-structures and algorithms. -
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Strong core server-side technologies experience (Java/ other) and / or having any of front end/UI skills (Angular, JS, HTML).
Knowledge of Android is a huge plus. - -
Strong understanding of OO/ design and good software development practices.
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Strong database skills and good knowhow of databases. -
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Exposure to configuration management, testing, deployment. -
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Hands on development across technologies.
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Exp - 2-4 years
B.E/ B.Tech (Computer Science/ Equivalent) from a reputed institute.
Alternately: -
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Excellent front end/UI skills (JS, HTML, Angular, Flutter) and OR Android skills.
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Understanding of nodeJS, server-side technologies, exposure to databases.
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Deep knowhow of data structures, algorithms. -
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Hands on development across technologies.
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Exp- 2-4yrs
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Grad- B.E/ B.Tech (Computer Science/ Equivalent) from a reputed institute
- 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.

We're looking to hire expert Laravel developers with strong command over database concepts and preferably, ability to work as a full stack developer utilising Angular/Laravel or Vue as a frontend tech stack. Minimum 4 years experience is required.
As a senior software developer, we expect the following qualifications:
- Has a longer IT technical training in computer science or similar
- Have proven experience JavaScript
- Have proven experience of developing REST-based services
- Have proven experience in PHP and JAVA
- Have proven experience in Laravel, Symfony, and Composer
- Have proven experience with CSS, SASS, and HTML
- Proven experience with Vue.js, Angular or React
Personal qualifications:
- You are quick to put you into new tasks and get an overview.
- As a person manages to get support for your suggestions and solutions.
- Your efforts are focused and you take pride in having completed your tasks, which include seen by you adhere to deadlines.
- Your work is characterised by being both structured and systematic which for example is seen in your documentation.
Job location : Noida / Gurugram
• ReactJS, Service Workers, RestAPIs, Web Pack, React Hooks, State Management
• Completely Amazon Web Services (AWS) Cloud Environment (S3, API Gateway, CloudFront, AWS Lambda) with a strong focus towards Serverless
• Experience developing native applications for Android and iOS
• Experience in microservices
• Previous experience as a scrum master
• Experience with Terraform
• Experience in GraphQL
Skills & Qualifications: -
➢ 03 – 08 years of experience / proficiency in JavaScript and Python
➢ Experience in ReactJS and Redux, ES6, React Native
➢ Jest / experience in writing tests and test-driven development (Jest or Enzyme)
➢ Experience with AWS Lambda, DynamoDB and development of serverless applications
➢ Familiarity with Git and CI
➢ Familiar with DevOps processes, tools and processes (Cloud formation, Code Pipeline, Jenkins)
➢ Familiar with release pipeline on Android and iOS.
- Our FinTech MNC client is looking for young full-stack developers who are passionate about technology, and who have the thirst to learn new technologies and update themselves to find new solutions to meet the needs of our constantly growing business.
- Our technology consists of node.js with StrongLoop loopback, Angular 5, MySQL, MongoDB, Redis and ElasticSearch and a lot of experimentation apart from this.
Candidates who can join immediately will be preferred
Responsibilities :
- Build reusable code and libraries for future use.
- Own & build new modules/features end-to-end independently.
- Collaborate with other team members and stakeholders.
Required Skills :
- Thorough understanding of Node.js, JavaScript, its quirks, and workarounds.
- Excellence in at least one framework like StrongLoop loopback, express.js, sails.js
- Experience with the javascript framework Angular 2+.(Optional)
- Deep architectural understanding of modern-day web applications
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- Must be good with git and git workflow
- Experience with external integrations is a plus
- Working knowledge of AWS
- Expertise with Linux-based systems
- Experience with CI/CD tools like Jenkins is a plus.
- Experience with testing and automation frameworks is a plus.
- Extensive understanding of RDBMS systems
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Job Perks :
- Get to work with a highly passionate team of engineers.
- Open and embracing the culture for the latest hot technologies.
- A high level of freedom, experimentation and responsibility.
Roles and Responsibilities
1. Computer science graduates would be preferred
2. Should have at least 1 year of experience as a software developer in ReactJS
3. Should be a contributor to the software development process and part of an software team
4. Can keep up to date with developments in (open source) frontend libraries, frameworks, and software development practices
5. In-depth knowledge of ReactJS, Redux, Flux, and JavaScript (ES6)
6. In-depth knowledge of Express.js and Node.js
7. Should have been working on React for at least 12 months (90% of the time)
8. Good problem-solving skills
9. Experience in Mongoose & MongoDB is a plus
10. Experience with the testing frameworks for JavaScript is a plus
11. Experience with JS module bundlers like Web Pack & Rollup
12. Experience with Babel as a compiler
13. Experience with agile software development techniques is a plus
Desired Candidate Profile
Computer science graduates preferred
Role description:
We are looking for Senior Software Engineer with expertise and experience in designing and developing
applications including new developments, enhancements, maintenance and support. The role involves continuous collaboration with team, partners.
Candidate description:
Should have:
Passion for technology and financial domain with demonstrated ability to learn quickly
Delivery focus with ability to take full ownership
Strong commitment to quality and delivery
Strong communication skills
Skills/Knowledge and experience:
Object oriented design and development skill
Webservices - Node JS/Express JS, Rest API
Frontend – Angular (Javascript and Typescript), React
Unix and Shell scripting
SQL Proficiency, good to know MongoDB








