Languages
- Python · expert
- JavaScript
- SQL
- Node.js
- Java
- C / C++
Mohammad Safwan Athar · New Delhi · open to remote & freelance
I products.
Solo, end to end.
Senior software engineer and project lead. I take a product from the first pixel to production, then keep it running and bring it traffic.
Running now
Selected work
Four of the products I can show in public. Tap one for the case study.
Dozens more
These four are public. I have designed and built many more products for clients and companies, under agreements that keep them private, so they are not shown here. I am happy to walk you through that work on a call.
Ask about them →One person, the whole pipeline
Pick a layer to see which products prove it.
FastAPI and Django, clean API design, data modelling, real performance.
Proof
Skills
A dot marks a skill used in one of the four public products. The rest come from client work.
Backend & data
- FastAPI
- Django
- Flask
- Express
- PostgreSQL
- MongoDB
- Redis
- Celery
- Payments · Razorpay, Stripe, Cashfree
Frontend & design
- React
- Next.js
- Tailwind CSS
- UI / UX design
- Technical SEO
- PWA
Cloud & DevOps
- Docker
- Kubernetes
- CI/CD · GitHub Actions
- Cloudflare
- Google Cloud
- AWS
- Huawei Cloud
- Nginx
- Linux
- Jenkins · Ansible · OpenShift
AI & security
- Machine learning
- LLMs & RAG
- AI agents
- Agent guardrails
- LangChain · CrewAI
- OCR
- Pentesting
- Reverse engineering
Product & leadership
- System design
- Solo, end to end
- Project lead
- Client delivery
- Mentoring · 3+ juniors
Experience
2022 → present
RailTC
Founded and lead RailTC, an independent product I designed, built, and run solo, now serving thousands of daily users across India.
Bottrion Systems Pvt Ltd
Project lead and technical architect across multiple international platforms. I run several projects at once, end to end and largely on my own, spanning design, backend, frontend, DevOps, and AI. I own architecture, system optimization, and the full production lifecycle from infrastructure automation to high-availability release.
- Senior Software Engineer · Project LeadSep 2025 – Present
Leading and managing multiple projects concurrently across the full stack: backend architecture, frontend delivery, DevOps, and AI features, while guiding associates and enforcing security-first engineering practices.
- Software Development EngineerJan 2025 – Sep 2025
Spearheaded backend development as both team member and solo developer, managing the entire DevOps lifecycle plus production operations, monitoring, and troubleshooting.
- Full Stack DeveloperMar 2024 – Dec 2024
Led backend for an e-commerce platform (Django REST), integrated the frontend, and deployed production on Huawei Cloud, leading a GCP-to-Huawei data migration with OBS + CDN.
- Full Stack DeveloperDec 2023 – Feb 2024
Built foundational APIs for product management and authentication, collaborated on frontend integration, and set up containerized dev environments on GCP with Docker.
DjangoFastAPIFlaskPostgreSQLMongoDBRedisDockerKubernetesGitHub CI/CDNginxCeleryHuawei CloudAWSGCP
Catalyst Institute of Science
Supported institutional administration and operations while building the foundation for a full-time engineering career.
Writing
All posts →- Oct 30, 2026Starting a blogWhy I'm writing here, and what you can expect: notes on backend, DevOps, AI, and shipping products solo.1 min read
- Oct 29, 2026How this blog worksThe blog is just Markdown files in my repo. I write a file, push it, and Cloudflare rebuilds the site. Here is the whole setup.2 min read