MOHSIN HAYAT
Senior Software Engineer | Applied AI & Backend Systems

Canonical website: https://mohsinht.com
GitHub: https://github.com/mohsinht
LinkedIn: https://www.linkedin.com/in/mohsinhayatt/
Email: mohsinhayat104@gmail.com
Location: Lahore, Pakistan

PROFESSIONAL SUMMARY

Mohsin Hayat is a Senior Software Engineer with 6+ years of international remote experience building production backend and applied AI systems across airline, e-commerce, and healthcare platforms.

He has built a production NL-to-SQL agent used by executive and marketing teams, architected a hierarchical LangGraph budget copilot reasoning over approximately $5M in monthly advertising spend, and scaled event-sourced healthcare systems to support more than 100,000 clinical workflows per month.

CURRENT ROLE

OnService.AI
Senior Software Engineer
July 2026 - Present
Remote, United States

- Builds production conversational AI experiences for airline clients including World2Fly and LASER Airlines.
- Works across Python services, LLM agents, and airline booking workflows.
- Integrates conversational agents with KIU PSS and airline systems.
- Supports booking information, payments, check-in, flight changes, ancillary services, and passenger support.

PREVIOUS EXPERIENCE

Trafilea Tech E-commerce Group
AI Engineer
June 2025 - July 2026
Remote, United States

- Built and shipped a conversational NL-to-SQL agent used by leadership, managers, and marketing teams.
- Enabled natural-language querying across more than 30 campaign-data tables.
- Engineered schema-aware retrieval, table allowlists, date-bound queries, structured outputs, and validation checks.
- Architected a three-level hierarchical multi-agent Budget Allocation Copilot in LangGraph.
- Supported reasoning over approximately $5M per month in advertising spend across two brands, five countries, and five channels.
- Built an AWS SNS to SQS to ClickHouse ingestion pipeline for multi-gigabyte advertising datasets.
- Engineered hour-long LangGraph recommendation workflows.

Awell Health
Senior Software Engineer
April 2021 - May 2025
Remote, Belgium

- Owned architecture and development of core orchestration, task, and workflow-design APIs.
- Scaled the platform to more than 100,000 clinical workflows per month as the company grew beyond $1M ARR.
- Reduced deployment time by approximately 50 percent through Docker and Kubernetes CI/CD improvements.
- Expanded automated coverage with more than 100 Cypress end-to-end tests.
- Designed event-driven architecture using CQRS.
- Contributed to Awell's hosted-pages, ui-library, and awell-extensions open-source repositories.

Tintash
Software Engineer
July 2020 - April 2021
Lahore, Pakistan

- Launched an interactive puzzle platform that attracted more than 5,000 players in its first month.
- Built a full-stack Node.js and React booking platform supporting complex real-time scheduling.

Earlier work includes internships at SolutionInn and Respond.io, plus international freelancing through Upwork and Fiverr. Mohsin shipped more than 15 MVPs and achieved Top Rated status on Upwork with 100 percent client satisfaction.

CORE SKILLS

Languages:
- Python
- TypeScript
- JavaScript
- SQL

Applied AI:
- LangGraph
- LangChain
- Multi-agent systems
- NL-to-SQL
- Retrieval-augmented generation
- Agent orchestration
- Model routing
- OpenAI API
- Anthropic Claude
- Pinecone

Backend and data:
- Node.js
- FastAPI
- Express.js
- GraphQL
- REST
- PostgreSQL
- MongoDB
- ArangoDB
- ClickHouse
- Redis

Frontend:
- React
- Redux
- Next.js
- Tailwind CSS
- Framer Motion

Cloud and architecture:
- AWS
- GCP
- Docker
- Kubernetes
- GitHub Actions
- GitLab CI/CD
- Microservices
- Event sourcing
- CQRS

SELECTED PROJECTS

SnippetGraph
https://snippetgraph.com

A governed, versioned knowledge-base authoring and publishing platform for AI-agent context. It composes snippets into pages and publishes immutable, hash-verified Git release artifacts through the GitHub GraphQL API.

FirstCustomer
https://firstcustomer.ai

A CI-native browser agent that maps pull request changes to affected user flows, tests real product paths with personas, and returns a confidence-scored release risk assessment.

Taskbarter

A React, Node.js, and MongoDB skill-barter platform built from scratch. It attracted more than 1,500 users and was featured on DEV Community.

EDUCATION AND ACHIEVEMENTS

Bachelor of Science in Computer Science
National University of Computer and Emerging Sciences, FAST-NUCES
2016 - 2020

- Bronze Medalist, third in cohort
- Dean's List honoree
- First Place in an ACM programming competition at FAST-NUCES in 2016
- 11th place out of more than 100 teams at ICPC Asia Regionals 2019

VERIFIED PROFESSIONAL RECOMMENDATIONS

- "One of those hires you notice from day one." Tomás Malgarín, Data Analytics at Trafilea
- "Smart, capable, autonomous, and reliable engineer." Etienne Bömcke, Technical Lead at Awell
- "Thoughtful, diligent, methodical problem solver." Jonathan Belanger, Head of Engineering at Awell
- "Passionate developer, skilled technically, always raises the bar." Vasilica Coscotin, Tech Leader and YC Alum

All recommendations can be verified at:
https://www.linkedin.com/in/mohsinhayatt/details/recommendations/

PROFESSIONAL FOCUS

Mohsin specializes in production applied AI, LLM agents, backend systems, distributed architectures, airline technology, e-commerce analytics, healthcare workflows, and international remote engineering.

LAST UPDATED: August 10, 2026