Experience
- Designed and built software products end to end, owning system architecture, backend, and deployment
- Built backend services and REST APIs on PostgreSQL and Redis, adding caching and automated background jobs for reliability
- Containerized and shipped services with Docker, managing source, releases, and CI-style workflows through Git and GitHub
- Automated data indexing, metadata handling, and operational tasks to reduce manual effort and keep systems consistent
- Leveraged AI-assisted development tools, including Cursor, Claude, and Codex, to accelerate prototyping, testing, and feature delivery
- Built a Flask and Pandas automation tool that cut Vahan issue resolution from ~30 minutes to under 1 minute, earning the company "Tech Titan" award
- Designed and ran ETL pipelines processing ~50M records/day, keeping downstream reporting accurate and timely
- Automated MoEngage customer notifications through real-time stored procedures for policy-renewal detection, eliminating redundant alerts
- Versioned PostgreSQL schemas by extracting DDL into Git, making deployments traceable, reviewable, and reproducible
- Implemented PII classification and secure credential storage to keep data handling compliant
- Delivered ETL pipelines and schemas for the Bima Satrak regulatory reporting service
- Resolved 4000+ production issues, cutting the open backlog from ~600 to under 70
- Automated recurring credit-update and Excel-to-database ingestion with SQL and Pandas, replacing manual runs
- Built and maintained Oracle SQL and PL/SQL solutions, including stored procedures and reports, for banking and insurance production systems
- Owned incident response for live banking and insurance systems, diagnosing root causes and deploying fixes to production
- Tuned slow queries and stored procedures to improve database performance under high-usage production workloads
- Managed deployments and database maintenance and recovery across client production environments
- Founded and ran a construction business delivering residential and commercial projects end to end
- Managed vendors, clients, budgets, and schedules across concurrent projects
- Led site teams and daily operations, owning quality and on-time delivery
Projects
Valipokkann
A full-stack publishing platform built on a custom CMS, with dynamic content management, media handling, and page rendering across a self-designed architecture. Live site: valipokkann.in | GitHub: github.com/innovinitylabs/valipokkann_in
Hard Copy
A native iPad note-taking app built for fast, structured capture and document organization, with a data model designed for quick entry and retrieval. GitHub: github.com/innovinitylabs/free-notes
Onchain Rugs
An on-chain generative art system that solves deterministic asset generation, on-chain metadata, and event indexing so every minted asset stays verifiable and reproducible. Live site: onchainrugs.xyz | GitHub: github.com/innovinitylabs/onchain-rug
Madraschecks
A browser-based procedural generator that recreates Madras check textiles from seeded algorithms, so each pattern is unique yet historically accurate, paired with a research site on the textile's history. Live site: www.madraschecks.com | Generator: madras-generator.madraschecks.com | GitHub: github.com/innovinitylabs/checks-of-time-beta
Awards
Tech Titan Award - Digit Insurance
Recognized for building a Flask + Pandas automation tool that reduced Vahan issue resolution from approximately 30 minutes to under one minute.
Skills
- Languages: SQL, PL/SQL, Python, Shell
- Databases: PostgreSQL, Oracle, Redis, DB2
- Backend: Flask, REST API, Stored Procedures, Database Design, Performance Optimisation
- Data Engineering: ETL, Data Modelling, Data Warehousing, Pandas, Automation
- DevOps: Docker, Git, Linux, GitHub Workflows
- Cloud & Big Data: PySpark, ClickHouse, Databricks
- Developer Tools: Xcode, Selenium, MoEngage
- AI Development: Cursor, Claude, Codex
Education
- B.E. - RMK Engineering College - CGPA: 7.17
- HSC - Infant Jesus MHSS - 87.4%
- SSLC - St. Mary's Matriculation - 86.5%
Portfolio: rajasekar.work | Creative: valipokkann.in