Aditya Shelke
Product-Minded Full-Stack Engineer & Ex-CTO, Built Scalable Systems for 100K+ Users
Education
Savitribai Phule Pune University (SPPU)
Bachelor of Engineering in Artificial Intelligence and Data Science
Bachelor of Engineering in Artificial Intelligence and Data Science
Pune, IN
08/2021 - 07/2025
08/2021 - 07/2025
Experience
Chhatrapati Sambhajinagar
10/2025 - Present
10/2025 - Present
- Promoted to CTO within 3 months; led an 8-member engineering team across 16 repositories, owning architecture decisions, sprint planning, and code reviews, improving product ship velocity by 40%.
- Directed migration from 6 Node.js microservices to a modular TypeScript monolith, cutting cloud costs by 40% and deployment failures by 95% with zero-downtime cutover for 100K+ active users.
- Architected an ACID-compliant financial escrow ledger with MongoDB transactions; implemented a 48-hour clinical hold buffer and automated cron-driven payout sweeps processing $10K+ monthly in expert settlements.
- Built production security infrastructure: a live DB-backed RBAC engine across 9+ admin modules, a 3-tier OTP rate limiter blocking 2,000+ daily spam attacks, and AWS WAF rules, maintaining 99.9% uptime.
- Overhauled CI/CD with Google Cloud Build and EAS Build, reducing build-to-store times from days to under 3 hours for 2 production apps shipped to both App Store and Play Store.
- Built a fault-tolerant Gemini LLM translation pipeline rotating across 23 GCP projects with a custom JSON-repair lexer for truncated outputs, cutting translation costs by 50% while localizing 50,000+ content items.
Chhatrapati Sambhajinagar
07/2025 - 10/2025
07/2025 - 10/2025
- First engineering hire for a pediatric platform with 100K+ downloads; rapidly adopted React Native in 2 weeks to redesign the home screen, driving a 20% DAU increase and 35% faster screen loads.
- Designed a 3,000-day content scheduling engine with age-quantized targeting across 8+ content types, automating developmental programming for 100K+ families.
- Built a universal deep-linking platform with user-agent detection, native scheme triggers, and smart app-store fallback timers; integrated SHA-256 certificate fingerprints for verified Android App Links.
- Developed a context-aware LLM parenting chatbot using LangChain and RAG architecture, increasing in-app session duration by 25% through personalized developmental advice.
Pune
7/2024 - 12/2024
7/2024 - 12/2024
- Led development of an enterprise admin panel in React serving 3 internal teams, improving operational efficiency by 30% and reducing manual reporting workflows by 4 hours/week.
- Designed and secured 16 RESTful API endpoints with Node.js and Express; remediated 3 critical auth vulnerabilities in legacy middleware and achieved 98% test coverage with Jest.
- Built dashboards for real-time transaction analytics, user management, and order tracking across 10K+ monthly records on PostgreSQL and Google Cloud.
Remote
1/2024 - 3/2024
1/2024 - 3/2024
- Architected 11 RESTful APIs for automated GST and ITR tax analysis, integrating with government GST portals to eliminate manual data entry for 50+ business clients.
- Engineered SQL stored procedures on financial transaction tables, reducing query time by 20%; built automated filing pipelines for GSTR1A, GSTR2A, GSTR3B, and B2B invoices using Laravel.
Remote
11/2022 - 11/2023
11/2022 - 11/2023
- Core contributor to Talawa, an open-source community management platform (1,200+ GitHub stars); shipped GraphQL API optimizations improving server response times by 15%.
- Implemented a Redis caching layer and comprehensive test suites, improving query performance by 12% and boosting code coverage by 10% across the Node.js backend.
Projects
- Built a full-stack SaaS project management tool for engineering teams using Next.js 16 App Router with React Server Components, streaming pre-rendered task boards with zero client-side loading states.
- Designed a type-safe schema using Drizzle ORM on Neon PostgreSQL with compile-time query generation, eliminating runtime DB type errors across all endpoints.
- Integrated Better-Auth for cryptographic session management with refresh token rotation, CSRF protection, and GitHub OAuth — serving secure multi-tenant team workspaces.
Technologies:
Next.js
TypeScriptDrizzle ORM
PostgreSQL
Tailwind CSSBun
Vercel
- Engineered a fault-tolerant data pipeline using Celery, Playwright, and Scrapy, ingesting and deduplicating 100K+ job listings across Indeed, Glassdoor, and LinkedIn with automated schema normalization into Neon PostgreSQL.
- Fine-tuned Mixtral 7B with custom training loops for semantic candidate-job matching, achieving 85% precision on held-out evaluation sets.
- Designed an end-to-end MLOps pipeline (Docker, GitHub Actions, CRON) automating scraping → training → deployment, reducing manual intervention by 80%.
Technologies:
PythonFastAPIPyTorch
PostgreSQL
Selenium
Scrapy
Docker
Next.js
- Architected a collaborative, agentic workspace using Next.js 16 and ReactFlow 12, automating horizontal/vertical topological system layout generation in < 50ms using Dagre hierarchical algorithms.
- Implemented an asynchronous state-synchronization polling loop with optimistic UI merging (via serverless Neon PostgreSQL & Drizzle ORM) running every 8 seconds, reducing client-server state conflicts by 95%.
- Designed a typesafe service registry supporting 250+ AWS/GCP and SaaS service assets with dynamic path resolution, ensuring 100% dynamic SVG icon coverage across auto-generated system diagrams.
Technologies:
Next.js
TypeScriptReactFlowDrizzle ORM
PostgreSQL
Better-Auth
TurborepoBun
Vercel
Technical Skills
Languages:
JavaScript
TypeScript
Python
C/C++
Golang
Frontend:
React
Next.js
React Native
Expo
Redux
HTML5/CSS3
Tailwind CSS
Webpack
Backend:
Node.js
Express
MongoDB
PostgreSQL
Redis
GraphQLREST APIs
Docker
JWT
Cloud & DevOps:
GCP (Cloud Build, Cloud Run)
AWS (WAF, S3, EC2)
Firebase
Vercel
EAS Build
Linux
Tools:
Git
Figma
Postman
Jest
Cypress
VitestJSDoc
Certifications and Achievements
- Google UI/UX Design Professional Certificate: Completed 7-course specialization in user research, wireframing, and high-fidelity prototyping.
- Open Source Contributor: Contributed to Hacktoberfest 2022 & 2023 with merged pull requests across 10+ community repositories.
- Technical Team Lead: Led a 5-member development team to design and ship a college organization's website from concept to production in 10 days.