
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.

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Job Title: Node.js / AI Engineer
Department: Technology
Location: Remote
Company: Mercer Talent Enterprise
Company Overview:Mercer Talent Enterprise is a leading provider of talent management solutions, dedicated to helping organizations optimize their workforce. We foster a collaborative and innovative work environment where our team members can thrive and contribute to our mission of enhancing talent strategies for our clients.
Position Overview:We are looking for a skilled Node.js / AI Engineer to join our Lighthouse Tech Team. This role is focused on application development, where you will be responsible for designing, developing, and deploying intelligent, AI-powered applications. You will leverage your expertise in Node.js and modern AI technologies to build sophisticated systems that feature Large Language Models (LLMs), AI Agents, and Retrieval-Augmented Generation (RAG) pipelines.
Key Responsibilities:
- Develop and maintain robust and scalable backend services and APIs using Node.js.
- Design, build, and integrate AI-powered features into our core applications.
- Implement and optimize Retrieval-Augmented Generation (RAG) systems to ensure accurate and context-aware responses.
- Develop and orchestrate autonomous AI agents to automate complex tasks and workflows.
- Work with third-party LLM APIs (like OpenAI, Anthropic, etc.) and open-source models, fine-tuning and adapting them for specific use cases.
- Collaborate with product managers and developers to define application requirements and deliver high-quality, AI-driven solutions.
- Ensure the performance, quality, and responsiveness of AI-powered applications.
Qualifications:
- Bachelor’s degree in Computer Science, Information Technology, or a related field.
- 5+ years of professional experience in backend application development with a strong focus on Node.js.
- 2+ years of hands-on experience in AI-related development, including building applications that integrate with Large Language Models (LLMs).
- Demonstrable experience developing AI agents and implementing RAG patterns.
- Familiarity with AI/ML frameworks and libraries relevant to application development (e.g., LangChain, LlamaIndex).
- Experience with vector databases (e.g., Pinecone, Chroma, Weaviate) is a plus.
- Excellent problem-solving and analytical skills.
- Strong communication and teamwork abilities.
Benefits:
- Competitive salary and performance-based bonuses.
- Professional development opportunities.
Skills Required: Java, HTML , CSS ,Angular,Springboot
Job Requirements:
-
Experience in Core Java and J2EE
-
Good hands-on experience in working with Spring, Hibernate Frameworks.
-
Should have working experience on Web Services, and Database design.
-
Working knowledge of HTML 5 ReactJS is needed.
-
Knowledge in NOSQL databases and analytics will be an advantage.
-
Analyze, Design & develop features in product
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Code review of team members/peers
Job Description – Full Stack Development (various levels)
"RAP - Rapid Acceleration Partners" provides practical AI solutions for digital business transformation. Intending to democratize AI, RAP has developed RAPFlow - an AI orchestration platform for building content intelligence solutions and RAPBot - an RPA tool for end-to-end automation. RAP’s vision is to provide a unified Intelligent Process Automation platform centered around Computer Vision and Natural Language Processing, combining it with RPA.
If you have the passion to be part of a fast-growing team that is geared towards redefining how IPA solutions are delivered and have that X Factor to contribute to a world class product, we have a place for you! Visit https://rapidautomation.ai/ for more details about RAP.
Position : Full Stack Developer (various levels)
Location : Chennai
Experience : 1-2 Years
Job type : Permanent
Team: You will be part of an engineering team, developing software that enables customers to automate business processes with low-code/no-code. The product(s) that you will work on have Web Applications, Web Services, AI components/services, Desktop, and Browser automation
components, Data Pipelines, Analytics, Frameworks for development/testing/CICD, and more.
Responsibilities: Full Stack Engineer, i.e.
• Work on any/all layers of existing or new products, developing end-to-end features
• Build generic or custom solutions for PoCs
• Package/deploy/support/maintain the product in production and dev/test environments
Skills - Must have:
• Full Stack Development
• React
• Node.js
• TypeScript
• Mongodb
Skills – Good to have:
• Docker
• Node-RED
• DevOps - CI/CD
• Cloud deployment, architecture, and technologies
Salary: No bar for right candidate
React JS
Node JS
Graphql
Required background:
Ideal candidate is full stack with a focus on the backend
Can work with React.JS and is comfortable with CSS
Strong Node.JS with working experience in Graphql
Worked on scaling issues and real-time distributed systems
Has experience building microservices.
Has work experience with web sockets, WebRTC and RTMP / HLS.
5.5+ years of experience after college
Ideally has past experience with Java or GoLang.
Responsibilities:
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Recommending and implementing improvements to processes and technologies.
- Designing customer-facing UI and back-end services for various business processes.
Requirements:
- 1-8 years of appropriate technical experience
- Proven experience as a Full Stack Developer or similar role preferably using MEANMERN stack.
- Good understanding of client-side and server-side architecture
- Excellent interpersonal skills and professional approach
- Ability to work in a dynamic, fast moving and growing environment
- Be determined and willing to learn new technologies
- Immediate joiners are preferred
BSc degree in Computer Science or similar relevant field with in depth knowledge of MEAN stack.
Building interactive consumer data from multiple systems and RESTfully abstract to the UI through a Node.js backend
Define code architecture decisions to support a high-performance and scalable product with a minimal footprint
Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems
Previous working experience as a MEAN Stack Developer for at least 2 years
Experience implementing applications using Angular or React
Experience creating front end applications using HTML5, Angular
Hands on experience with JavaScript Development on both client and server-side
Experience with modern frameworks and design patterns
Knowledge of the following will be considered as an advantage:
Consumer Web Development Experience for High-Traffic, Public Facing web applications
Experience with cloud technologies also a plus
Creating secure RESTful-based web services in XML and JSON, Javascript, JQuery
Version control (SVN, Git).
- 2+ years of software development experience
- Experience designing, implementing and using web services in a Microservice Architecture
- Experience and a good understanding of Node.JS
- Experience in working with any JavaScript frameworks (React, Ember, Knockout, etc.)
- Familiar with relational & non-relational databases such as Postgres, Oracle, SQL Server, MySQL, Dynamo
- Familiar with CI (Continuous Integration) and CD (Continuous Delivery)
- Nice to have - Experience with AWS
- Nice to have - Experience working in an agile development process
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