India
Ayyan Sameer Shaikh
Software Engineer Backend Systems & Distributed Infrastructure
➜ whoami
ayyan-sameer-shaikh
➜ cat focus.txt
backend systems · REST APIs · LLM-powered infra
➜ git log -1 --oneline
founding engineer @ grexa-ai
Impact
By the numbers
2+
Years shipping production backend systems
3
Engineering teams shipped for
8
Merged PRs across public OSS projects
40%
Recurring efficiency & latency gains delivered
About
Backend-focused, systems-minded
Software Engineer with 2+ years building backend services, RESTful/internal APIs, and automation pipelines in Python — with hands-on experience integrating third-party services, optimizing data pipelines, and improving system reliability and latency. Comfortable working with containerized environments, distributed data flows, and LLM-powered systems, currently building in Go and Rust with a strong sense of ownership across globally distributed teams.
{ "name": "Ayyan Sameer Shaikh", "role": "Backend Engineer", "languages": ["Python","Go","Rust"], "location": "India", "open_source": true }
Currently building in Go and Rust — shipping backend systems, APIs, and LLM-powered infrastructure that hold up under real load.
Experience
Where I've worked
Founding Engineer
Grexa AI · Mumbai, India
- →Built and maintained RESTful API integrations and reusable backend content modules in Payload CMS, cutting manual content-update effort by 40% and improving onsite SEO performance by 18%.
- →Designed and shipped 10+ responsive, production-grade UIs using reusable Next.js components, standardizing the frontend architecture and reducing development time for new feature pages.
- →Collaborated cross-functionally with marketing and SEO teams to translate requirements into scalable technical modules, increasing overall user engagement by 25%.
Software Trainee
MiddlewareHQ · San Francisco, CA (Remote)
- →Contributed to backend services in Python for a B2B SaaS engineering-productivity platform, collaborating with senior engineers to improve software integration and lift client satisfaction by 25%.
- →Applied scalability techniques to middleware components, improving solution performance by 30% to support growing client load.
- →Engineered backend ETL pipelines to compute and validate DORA metrics with 100% accuracy, strengthening data reliability for downstream reporting.
- →Built TypeScript integrations across middleware services, improving code maintainability by 40% and cutting debugging time by 50%.
Junior Software Engineer
Acumen Cognitive Engineering · Mumbai, India
- →Refactored a production AI chatbot codebase and optimized API call sequencing, cutting response latency by 33% and reducing total code volume by 30% while improving maintainability.
- →Integrated third-party RESTful and JSON-based APIs, improving data processing throughput by 25% over six months; used Postman for systematic API testing and debugging.
- →Designed and implemented RAG data pipelines using Apache Airflow and Pandas, automating ingestion and transformation workflows and cutting processing time by 40% within three months.
- →Worked directly with LLM-backed systems in production, gaining practical exposure to prompt constraints and the challenges of testing and validating non-deterministic model outputs.
Projects
Selected work
Juspay Hyperswitch Plugin
Custom MedusaJS plugin integrating the Juspay Hyperswitch payment ecosystem via RESTful APIs — winner of the Juspay Hackathon.
- •Cut merchant integration time by 25%
- •Modular architecture compatible with 95%+ of MedusaJS stores
- •Reduced latency by 20% and increased transaction success rates by 15%
- •Streamlined onboarding UI cut payment-gateway setup time by 40%
BookChat
Full-stack MERN book marketplace with secure Razorpay payment integration.
- •Achieved 100% uptime with secure Razorpay payment integration
- •Drove a 24% increase in organic traffic and a 50% reduction in bounce rate
Open Source
Contributions
➜ gh pr list --author ayyanaruto --state merged
8 merged pull requests across 6 public repositories

middlewarehq/middleware

starship/starship

ToolJet/ToolJet

PrunaAI/pruna

juspay/hyperswitch-medusajs-plugin
Skills
Toolbox
Languages
Backend & APIs
Infrastructure & Data
AI / LLM Ecosystem
Education
Academic background
2025
Bachelor of Engineering
New Horizon Institute of Technology and Management, Thane, MH
2022
Diploma in Computer Engineering
Government Polytechnic Thane, Thane, MH
