Vetrivel D R
Chennai
Summary
Accomplished Software Engineer with 2.5 years of experience, specializing in frontend and backend development using Angular and Node.js. Proven track record in building responsive, high-performance applications, and optimizing database operations. Dedicated to delivering robust solutions, fostering team collaboration, and enhancing user experiences in both fintech and healthcare domains.
Overview
2
2
years of professional experience
Work History
Software Engineer
Kriyatec IT Systems
Chennai
01.2023 - Current
- Developed and maintained responsive web applications using HTML, CSS, JavaScript, and Angular, and built APIs with Node.js and NestJS for seamless backend integration.
- Proficient in MySQL and MongoDB, designing and optimizing relational and NoSQL databases for efficient data storage and retrieval.
- Contributed as a client resource for Credopay Pvt. Ltd., working on multiple fintech projects, including payment services, and merchant onboarding.
- Built a modular Angular and Node.js application for onboarding banks, terminals, merchants, and aggregators, implementing role-based access control, and integrating with backend services for KYC and compliance workflows.
- Engineered a POS transaction system parsing ISO 8583 messages (including DE55 EMV data) and handling transaction types like pre-auth, reversal, void, and sale.
- Employed CI/CD practices to automate testing and deployments, ensuring faster and more reliable releases.
- Integrated POS terminals with transaction switch infrastructure, ensuring low-latency communication, and effective error handling.
- Managed end-to-end data flow across UI, APIs, and databases, ensuring secure transaction state tracking, and logging.
- Frontend developer on a healthcare ticketing system, building a responsive Angular portal for managing ticket flows, with real-time updates via SSE between kiosks and the central server.
- Developed a cross-platform Ionic app for a TAFE tractor company's sales and marketing team, enabling lead capture, CRM integration (Zoho), and sales workflow automation.
- Deployed applications to AWS/Azure, ensuring scalability, and high availability.
Education
Bachelor of Engineering - Computer Science
Sir Sai Ram Institute of Technology
Chennai05-2019
Skills
- Frontend development: HTML, CSS, JavaScript, Angular
- Backend development: Nodejs, NestJS
- Database management: MySQL, MongoDB, PostgreSQL
- Version control: Git
- CI/CD tools: GitHub Actions, Docker, Azure
- RESTful services, WebSocket, Server-Sent Events (SSE), Ionic Framework
Languages
Tamil
First Language
English
Advanced (C1)
C1
Affiliations
- Interested in Music Production
- Sound design
Timeline
Software Engineer
Kriyatec IT Systems
01.2023 - Current
Bachelor of Engineering - Computer Science
Sir Sai Ram Institute of Technology
Similar Profiles
Nathan GottNathan Gott
Material Planner Senior at BAE Systems - Space and Mission SystemsMaterial Planner Senior at BAE Systems - Space and Mission Systems
Barbara VogtBarbara Vogt
Office Manager at Residential Waste Systems & Residential Fuel SystemsOffice Manager at Residential Waste Systems & Residential Fuel Systems
Venu Gopal BollepalliVenu Gopal Bollepalli
Associate Team Lead at CAMP Systems Pvt. Ltd. (MOTOR Information Systems)Associate Team Lead at CAMP Systems Pvt. Ltd. (MOTOR Information Systems)
Sankara SubbuSankara Subbu
Associate Technical Analyst at Cratio Software Pvt LtdAssociate Technical Analyst at Cratio Software Pvt Ltd
Kalairani KKalairani K
Supply Chain Analyst / Buyer / Configuration Analyst (Team Lead) at HCL TechSupply Chain Analyst / Buyer / Configuration Analyst (Team Lead) at HCL Tech