Sajib Hossain
Software Engineer | Python, Django
Salary / Daily rate
Yangzhou, Jiangsu, China
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Backend developer with 4+ years building scalable systems and APIs serving 500K+ users. Proven expertise in reducing response times by 40%, implementing real-time features with WebSockets, and maintaining 99.9% uptime. Specialized in Python/Django development with AWS infrastructure for high-performance applications.
Work experience
Software Engineer
Progressay
Oct 2023 - Present
3 years 1 month
London, UK
Developed and optimized RESTful APIs for an LMS, reducing system response time by 40% and handling 10,000+ daily requests. Implemented WebSockets for real-time chatbot and notifications, improving engagement by 25%. Built an AI-based grading system, reducing manual workload by 60% and improving accuracy. Deployed scalable server infrastructure, ensuring 99.9% uptime and high availability. Collaborated with frontend teams to enhance user experience and ensure seamless API integration.
Software Engineer
Tiger Park Limited
Aug 2020 - Mar 2022
1 year 8 months
Dhaka, Bangladesh
Developed backend services and APIs for large-scale web applications and MyTeletalk, an app serving 500K+ users. Optimized database queries, reducing system response time by 35%. Implemented caching solutions using Redis, improving data retrieval speed. Worked in cross-functional teams to ensure timely project delivery and seamless integration.
Education
Yangzhou University
Bachelor of Software Engineering
2021 - 2025
3 years 11 months
Jessore Polytechnic Institute
Diploma In Engineering
2015 - 2019
4 years