Hasnain Yousuf
Principal Software Engineer | Python, FastAPI
Salary / Daily rate
Karachi, Karachi City, Sindh, Pakistan
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Full-stack engineer with 10+ years expertise in Python/Django, FastAPI, and cloud architecture. Led product teams at YC-backed startups, managed AWS deployments, and co-founded successful web applications. Specialized in scalable backend systems, DevOps automation, and cross-functional team leadership for rapid growth companies.
Work experience
Senior Software Engineer
248.AI
May 2025 - Present
1 year 6 months
Remote, OR 97458, USA
Principal Software Engineer
Sled (YC S21)
Apr 2022 - May 2025
3 years 2 months
Germany · Remote
- Led and managed the product development team at Sled - Worked on key modules written in FastAPI with ArangoDB, including feature development and optimizations - Managed weekly product releases on AWS using ECS - Conducted customer interactions for requirement gathering sessions - Collaborated with various BI tools for integration within our cataloging and bot systems"
Founder
Tookspot
Jan 2019 - May 2025
6 years 5 months
Pakistan · On-site
As a co-founder and key contributor at Tookspot, I have played a pivotal role in shaping the success of our innovative web application. I specialize in overseeing Tookspot's backend, meticulously crafted using Django, and successfully deployed on the robust AWS platform. In addition to my technical responsibilities, I actively collaborate with my co-founder to make strategic business decisions that drive Tookspot's growth and market impact. This experience has honed my skills in both technical and managerial domains, providing me with a comprehensive understanding of the dynamic intersection between technology and business in the realm of spot booking services.
Senior Software Engineer
Stellic
Nov 2021 - Aug 2022
10 months
Remote, OR 97458, USA
Software Engineer
NexDegree
Nov 2019 - Oct 2021
2 years
Pakistan · On-site
- Managing the architecture of the backend web applications in Django & Flask - Developing REST APIs for sales forecasting applications - Worked with deployments and containerization technologies. - Worked with different teams including Product, DevOps and Data.
Diya Interactive AB
Jan 2017 - Dec 2019
3 years
Remote, OR 97458, USA
Senior Software Engineer
Jan 2018 - Dec 2019
2 years
Remote, OR 97458, USA
- Managing in house development team of frontend and backend developers. - Manual server deployements on DigitalOcean and GCP - Developing REST APIs powered by Django DRF for mobile frontend targeting Swedish users. Configured native video processing softwares like FFMPEG. Working with Lua for delivering videos through nginx. ElasticSearch integration for faster retrieval of user generated content. Redis implementation for web socket communication. Configured celery for backend processes - Developing REST APIs powered by Flask for web frontends targeting Swedish users. Integrating native mobile camera libraries and played around different third party SMS services.
Software Engineer
Jan 2017 - Jan 2018
1 year 1 month
Remote, OR 97458, USA
- Developed REST APIs powered by Yii 2.0 for mobile frontends targeting Swedish users. Integrating Stripe, OpenTok among other third party libraries for authentication. - Developed web frontend powered by Yii 2.0 to render application usage and KPIs - Developed in-house attendance system with core Python and RaspberryPi3 - Developed interactive games targeting kids in c++ for Android and iOS powered by Cocos2dx
PHP Developer
Inforox Ltd
Jun 2016 - Jan 2017
8 months
United Kingdom · Remote
- Product development targeting the United Kingdom's auto-mobile industry powered by Laravel - Developing JS frontends powered by jQuery & VanillaJS - Deploying application and database servers on dedicated VPS (Cloudways/DigitalOcean)
PHP Developer
Crystallite Pakistan - (PVT) Limited
Apr 2015 - Jul 2016
1 year 4 months
Pakistan · On-site
- Developed one-click server deployment management systems through web applications including client's dashboard, payment integrations, installations of third party softwares like MySQL, PHP and supporting libraries all through single web applications - Developed security checks through web applications powered by core PHP to maintain Linux firewalls. - Developed school management systems to able to capture student's attendance via RFID which was integrated with RaspberryPi2 among other features with it. - Worked with various server monitoring open source softwares like Icinga, Nagios & Cactus
PHP Developer
Alisons Technology
Aug 2014 - May 2015
10 months
Pakistan · On-site
- Developed web applications powered by core PHP and with some advanced frameworks like Yii and Yii 2.0 Following projects were covered. - Employee Management System - Queue Management System - Inventory Management System - Pension/Query Management System
Education
Virtual University of Pakistan
Bachelor of Science (BSc)
2016 - 2019
3 years 1 month
Aptech Education Center
ACCP Pro
2012 - 2016
4 years 1 month
S.M Science College
Intermediate
2012 - 2014
2 years 1 month