Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a Senior Backend Engineer with over 10 years of experience building scalable fintech systems using Python and Django REST Framework. I design high-performance REST APIs that handle hundreds of thousands of users, optimize databases and implement robust testing with TDD. I specialize in PostgreSQL optimization, microservices, and end-to-end delivery with CI/CD, Docker, and Kubernetes. I’ve led cross-functional teams, mentored engineers, and collaborated closely with product and frontend teams to deliver reliable financial transaction platforms. I’m fully remote-ready, comfortable coordinating across time zones, and focused on clean, testable code and strong documentation.…I am a Senior Backend Engineer with over 10 years of experience building scalable fintech systems using Python and Django REST Framework. I design high-performance REST APIs that handle hundreds of thousands of users, optimize databases and implement robust testing with TDD. I specialize in PostgreSQL optimization, microservices, and end-to-end delivery with CI/CD, Docker, and Kubernetes. I’ve led cross-functional teams, mentored engineers, and collaborated closely with product and frontend teams to deliver reliable financial transaction platforms. I’m fully remote-ready, comfortable coordinating across time zones, and focused on clean, testable code and strong documentation.

Salim Yakub Alhassan

Back-End Developer, Web Developer, Programmer, +4





I am a Senior Backend Engineer with over 10 years of experience building scalable fintech systems using Python and Django REST Framework. I design high-performance REST APIs that handle hundreds of thousands of users, optimize databases and implement robust testing with TDD. I specialize in PostgreSQL optimization, microservices, and end-to-end delivery with CI/CD, Docker, and Kubernetes. I’ve led cross-functional teams, mentored engineers, and collaborated closely with product and frontend teams to deliver reliable financial transaction platforms. I’m fully remote-ready, comfortable coordinating across time zones, and focused on clean, testable code and strong documentation.…I am a Senior Backend Engineer with over 10 years of experience building scalable fintech systems using Python and Django REST Framework. I design high-performance REST APIs that handle hundreds of thousands of users, optimize databases and implement robust testing with TDD. I specialize in PostgreSQL optimization, microservices, and end-to-end delivery with CI/CD, Docker, and Kubernetes. I’ve led cross-functional teams, mentored engineers, and collaborated closely with product and frontend teams to deliver reliable financial transaction platforms. I’m fully remote-ready, comfortable coordinating across time zones, and focused on clean, testable code and strong documentation.

Available to hire

I am a Senior Backend Engineer with over 10 years of experience building scalable fintech systems using Python and Django REST Framework. I design high-performance REST APIs that handle hundreds of thousands of users, optimize databases and implement robust testing with TDD. I specialize in PostgreSQL optimization, microservices, and end-to-end delivery with CI/CD, Docker, and Kubernetes.

I’ve led cross-functional teams, mentored engineers, and collaborated closely with product and frontend teams to deliver reliable financial transaction platforms. I’m fully remote-ready, comfortable coordinating across time zones, and focused on clean, testable code and strong documentation.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Hausa

Fluent

French

Beginner

Work Experience

Senior Backend Engineer (Django/DRF Specialist) at Xchangebox Technologies

July 1, 2019 - Present

Led backend engineering for fintech platform serving 200K+ users; architected scalable Django REST Framework APIs; established TDD culture with 85%+ test coverage; achieved 99.9% uptime and sub-200ms response times. Optimized PostgreSQL with table partitioning and indexing; built Celery+Redis for 500K+ daily background jobs; led development of PAYREP agency banking and Shinobi core banking apps; implemented CI/CD pipelines on AWS; enforced code quality and API documentation.

Backend Engineer (Django/Python) at Right Click IT Solutions Ltd.

January 1, 2020 - December 1, 2022

Developed enterprise Django REST Framework APIs for Electronic Material Management System (EMMS) serving NAPIMS; implemented complex business logic, role-based permissions, and workflow orchestration. Built tests with pytest achieving 80%+ coverage; optimized PostgreSQL queries and schema; deployed with Docker + GitLab CI/CD achieving 99.95% uptime; mentored junior developers on Django/testing practices.

Team Lead – NCC Benchmarking Project at HD Technologies Ltd.

January 1, 2018 - January 1, 2019

Led planning and execution of nationwide Quality of Service benchmarking project for the Nigerian Communications Commission; managed cross-functional team overseeing back office operations, field activities, and technical administration.

Field Maintenance Engineer at Huawei Technologies Co. Nig. Ltd

January 1, 2015 - January 1, 2018

Maintained 99.99% network availability for MTN, Airtel, and 9Mobile; configured and optimized IP RAN/TDM transmission systems; troubleshot network alarms at NOC level.

Django Developer at Flexisaf Nigeria Ltd.

January 1, 2014 - January 1, 2015

Developed HR management system using Django; implemented RESTful endpoints, business logic, and RBAC; optimized ORM queries and deployed with Docker; coached teammates and ensured maintainable code.

Freelance Developer at Self-Employed

January 1, 2012 - January 1, 2014

Built food delivery application and school management systems using Python and Django; migrated client infrastructure to AWS with monitoring and deployment practices.