Praveen Kumar R

Senior Full Stack Engineer | Solution Architecture | System Design & Platform Engineering

Primary Stack: GoLang · Java · PostgreSQL · Next.js · Docker · Kubernetes

+91 9710282493  |  iamrpraveenkumar@gmail.com  |  LinkedIn  |  Profile  |  GitHub
Current Location: Bhubaneswar  |  Preferred Location: Bengaluru / Mysuru / Remote-friendly

Professional Summary

Solution architect and senior full stack engineer with 13+ years designing and shipping production platforms for government and enterprise — including 7 years at India Post / CEPT on national-scale systems. Hands-on across solution architecture and engineering: GoLang APIs, Java, PostgreSQL data models, Next.js web applications, Dockerized / Kubernetes deployments, microservices and enterprise integrations. Practices AI-assisted software engineering to accelerate design, delivery and quality. Architected multi-tenant SaaS (Spirenex) and institutional ERP / digital platforms end-to-end. Successfully delivered enterprise platforms from concept to production, combining architecture, engineering and stakeholder collaboration across government and product organizations.

Career Snapshot

13+ Years Experience
20+ Enterprise / Gov Applications
GoLang + PostgreSQL + Next.js
200+ MIS Reports · 100K+ Txns/Day
150,000+ Monthly Complaints
1–1.5M Annual Citizen Requests
12,000+ Google Workspace Users
India Post 2.0 Cloud-Native PoC
Multi-Tenant SaaS (Production)

Core Competencies

Primary Stack: GoLang, Java, PostgreSQL, Next.js (React), Docker, Kubernetes, TypeScript / JavaScript, REST APIs

Architecture: Solution Architecture, System Design, Microservices, API Design, Multi-Tenant SaaS, Enterprise Integration

Backend & Integration: Spring Boot, Python, PHP, Kafka, Cassandra, Redis, Keycloak

Frontend / Mobile: Flutter, HTML5, CSS3, Bootstrap

Data & Cloud: MySQL, MS SQL, Oracle, GCP, Linux, Nginx, CI/CD, GitLab

Platform & Security: ERP Modules, Digital Signatures, Security Audit, OWASP

Enterprise Admin: Google Workspace, Microsoft 365 Admin

AI Engineering: Cursor, ChatGPT, Gemini, AI Studio, Prompt Engineering, AI-assisted Software Engineering

Professional Experience

Indian Institute of Technology Bhubaneswar
May 2023 – Present
Platform & Solutions Lead  (Official designation: Web Developer — government grade; scope: architecture & platform delivery)
  • Led modernization of 10-year legacy institutional websites into responsive, maintainable platforms (WordPress / PHP / MySQL); estimated vendor/outsourcing savings of ₹4–5 million. Got the platforms audited by a CERT-In empanelled agency and obtained a security certificate — first time this was completed for IIT Bhubaneswar websites.
  • Designed and built an in-house digital signature tool in Python that embeds the original signature image with a cryptographic digital signature — enabling certificates and transcripts to be printed and downloaded as digitally signed documents.
  • Designed and implemented ERP Salary Module supporting institutional payroll workflows (PostgreSQL-backed).
  • Enterprise Google Workspace administration for 12,000+ users; institutional Microsoft 365 admin.
  • Member of the JEE Core Technical Team — Eastern Zone JEE examination operations and related technical systems.
  • Resource Person for OSLSM National Workshop (IIT) — delivered hands-on training for professionals from IITs, IIMs and other institutions.
  • Conducted state-level Traffic Control System security audit using Kali Linux; delivered security and analytical reports.
Centre for Excellence in Postal Technology (CEPT), Department of Posts
2016 – 2023
Solution Designer & Full Stack Engineer  (Official designation: Programmer — government grade; scope: national platforms & architecture)
  • Architected and scaled the Service Request Application handling 1–1.5 million+ requests annually.
  • Designed and delivered national-scale Complaints Management Platform handling 150,000+ complaints monthly.
  • Built mis.cept.gov.in — enterprise MIS (ASP.NET, MS SQL, IIS) with 200+ reports across multiple India Post products; powers insights from 100,000+ transactions/day, viewed regularly by thousands of users.
  • Built India Post’s first internal online Recruitment Portal for departmental promotion exams (e.g. Inspector of Posts, PS Group B), eliminating large-scale manual paperwork.
  • Implemented Pickup Service and initiated ONDC integration; SPOC for UMANG and data.gov.in.
  • Led on-prem Kubernetes, Docker & Kafka clusters for HA production services; designed scalable PostgreSQL structures and Go/Java APIs; delivered the India Post 2.0 cloud-native architecture PoC (microservices, Keycloak, Kafka, PostgreSQL, Cassandra, Next.js) — foundation for the modernization roadmap.
Department of Posts — Arni Head Post Office
2015 – 2016
Postal Assistant  (also functioned as Sub Postmaster)
  • Handled public counter operations and financial transactions across day-to-day postal services.
  • Worked across multiple branches and as Sub Postmaster — domain foundation later leveraged in national platforms at CEPT.
National Institute for Empowerment of Persons with Multiple Disabilities (NIEPMD)
2013 – 2014
Web Developer · Accessible Digital Platforms
  • Developed and maintained the institute’s STQC-certified, national award–winning website with focus on accessibility and universal design.
  • Created digital content, certificates and design assets for national-level programmes.
  • Co-authored Manual on Developing Websites with Universal Design (ISBN: 978-81-928032-8-9).

Selected Enterprise Solution — India Post 2.0

India Post 2.0 — Cloud-Native Architecture (PoC)
CEPT

Designed and developed a cloud-native Proof of Concept for the India Post 2.0 modernization initiative, demonstrating containerized microservices architecture for next-generation postal applications. The PoC established technical feasibility and served as a foundation for the India Post 2.0 initiative.

  • Designed solution architecture for containerized microservices on an on-premises Kubernetes cluster using Docker.
  • Implemented enterprise services using GoLang and Java / Spring Boot with REST APIs; web layer patterns with Next.js.
  • Designed secure authentication with Keycloak; asynchronous event-driven communication using Apache Kafka.
  • Modeled relational storage with PostgreSQL and high-volume NoSQL reporting with Cassandra.

Selected Enterprise Solution — Spirenex

Spirenex — Multi-Tenant Academy Management SaaS
Lead Product Architect & Full Stack Developer

Built and architected a cloud-native multi-tenant SaaS platform for academy management. Live in production across 7+ academies, including 2 multi-branch academies (student/parent, coach and admin portals).

  • Designed multi-tenant architecture, PostgreSQL schema and API boundaries for branch isolation and scale.
  • Built GoLang backend services and Next.js web application; Flutter clients for parent / coach mobile workflows.
  • Delivered core modules: fee collection, attendance, syllabus, chat, notifications, enquiry follow-up, feedback, and automated WhatsApp/email reminders.
  • Integrated payment gateway, WhatsApp automation, Chess.com API and Lichess API; Docker + Nginx production deployment.

Selected Product & Platform Work

Education & Languages

M.E. (Part-time) Systems Engineering & Operations Research — College of Engineering Guindy, Anna University
2013 – 2016
B.E. Computer Science & Engineering — University College of Engineering Arni, Anna University
2009 – 2013

Languages: English · Tamil · Hindi · French