RajkumarMurugesan
Full Stack Software Engineer
Software Engineer with 4+ years of experience building innovative applications. Focused on AI-driven solutions, full-stack development, and cloud infrastructure. Experienced in owning the full product lifecycle, building adaptive AI agents, and automating complex business workflows.
Core Directives
Technical Capabilities & Tooling
Languages
Primary programming languages used for developing scalable backend and frontend applications.
Frameworks
Architectural frameworks utilized for building robust REST APIs and interactive user interfaces.
Databases
Relational, NoSQL, and vector database systems for efficient data storage and rapid querying.
Cloud & Infra
Cloud providers and containerization tools for deploying highly available, scalable infrastructure.
AI / Agents
Modern AI tooling and agentic workflows for building intelligent, autonomous software solutions.
Career Timeline
Zysk Technologies, Bangalore
Software Engineer
- ▹Led the complete rollout of a secure, enterprise-grade AI assessment platform from scratch.
- ▹Automated software deployments via CI/CD pipelines, significantly improving system uptime.
- ▹Proactively identified and patched critical security vulnerabilities.
- ▹Collaborated cross-functionally to define and execute agentic AI features using LangGraph.
Backend Developer
- ▹Launched an AI-powered email marketing platform to automate customer outreach workflows.
- ▹Built real-time e-commerce integrations with Shopify to seamlessly sync product catalogs.
- ▹Architected systems to smoothly handle massive spikes in user traffic using Redis queuing.
- ▹Utilized OpenAI function calling to parse and execute complex user marketing commands.
Junior Backend Developer
- ▹Sped up system response times by over 40% by completely redesigning the core database structure.
- ▹Successfully delivered critical payment processing flows via Razorpay integrations.
- ▹Developed overlapping schedule resolution algorithms for a Co-Workspace management tool.
- ▹Migrated legacy monolithic codebases to scalable microservices using NestJS.
Family Business Operations
- ▹Managed family business operations before transitioning into the IT industry.
- ▹Developed strong business acumen, client relationship management, and operational leadership skills.
Project Modules
Key Engineering Accomplishments
AI-Powered Skill Evaluation
- ▹Built adaptive AI agents: Leveraged LangChain and LangGraph to create stateful agents for mock assessments that adjust question difficulty in real time.
- ▹Built a scalable backend: Developed a highly optimized backend application and wrote efficient database queries to power a B2B scoring algorithm.
- ▹Architected AWS infrastructure: Designed a secure network configuration with AWS ECS/ECR, Load Balancers, and WAF, built for rapid auto-scaling.
AI Email Marketing Platform
- ▹Engineered AI and microservices: Built a 4-service architecture and used OpenAI function calling to automate marketing workflows and segmentation.
- ▹Built real-time integrations: Architected a plug-and-play Shopify sync and used Redis queuing to smoothly handle heavy traffic.
- ▹Managed cloud deployment: Handled the full AWS lifecycle (EC2, SES, S3) and secured the platform with AWS Cognito for enterprise OAuth.
Co-Workspace Management Tool
- ▹Developed core backend logic: Built a robust meeting room booking system that resolves overlapping schedules using atomic database transactions.
- ▹Designed management and access tools: Created a CRUD system to track workspace amenities and an RBAC system for corporate admins.
- ▹Delivered rapid updates: Shipped new features on bi-weekly sprint cycles within a high-velocity, 10 person Scrum team.
Medical Equipment Rental
- ▹Revamped the architecture: Migrated a legacy framework to NestJS and restructured the PostgreSQL database, reducing query wait times by 40%.
- ▹Integrated payments and alerts: Connected Razorpay with secure webhooks for handling orders, and added automated SMS and email notifications.
- ▹Improved code quality: Applied Object-Oriented Programming (OOP) principles to create a modular, testable backend.
Credentials & Academia
Certifications, Awards & Education
Certifications
- AWS Solutions Architect AssociateUdemy | Jul 2025
Specializing in cloud architecture and infrastructure design on AWS.
- MERN Stack DeveloperHCL GUVI
Certified Full Stack Developer specializing in MongoDB, Express.js, React.js, and Node.js.
Awards (Zynaissance)
- Empowering Aspirants (2025)
Awarded for thinking boldly, exploring freely, and creating equal opportunities that move the team forward.
- 3 Years of Excellence (2025)
Recognized for sustained impact and dedication over three years of contributions at Zysk Technologies.
- Fire Fighter Award (2024)
Recognized for handling critical issues under pressure and resolving technical challenges efficiently.
- Team Player Award (2023)
Awarded for team success contribution and strong collaboration as a Node.js backend developer.
Education
- BE / Electronics & Communication2013 – 2017Excel Engineering College / Anna University | Namakkal
CGPA: 6.56
- Higher Secondary (HSC)2012 – 2013Shri Vethathiri Vidhyalaya | Erode
Score: 83.90%
Transmission Complete
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