Open to opportunities

M Abubakar

@mabubakar

Message

Senior Ruby on Rails full-stack engineer focused on scalable, high-performance web applications.

Pakistan

Message

What I'm looking for

I seek remote-friendly roles building scalable backend systems and microservices with strong engineering culture, observability, and growth opportunities.

I am a senior full-stack developer with six years of experience building scalable web applications, specializing in Ruby on Rails backends, microservices, and React/Next.js frontends. I deliver high-performance solutions and optimize systems for large-scale traffic.

At International Showtimes I optimized high-traffic Rails APIs, introduced Redis caching and indexing to reduce response times by ~35%, built NestJS microservices, and improved data import performance and observability with Grafana and Prometheus.

I thrive in remote-first and collaborative environments, have deployed services with Docker and Kubernetes, and enjoy solving performance, reliability, and integration challenges while continuously learning cloud, data, and AI technologies.

Experience

Work history, roles, and key accomplishments

Current

Senior Backend Developer

Current

International Showtimes

Nov 2022 - Present (3 years 2 months)

Optimized high-traffic Ruby on Rails APIs serving millions of daily requests, reducing response times ~35% via Redis caching and indexing; built scalable microservices in NestJS and improved large-scale data import performance with asynchronous processing.

Ruby on Rails Redis NestJS TypeScript Kubernetes Docker PostgreSQL MongoDB Grafana Prometheus

Software Engineer

Virtual Force Inc

Jan 2022 - Dec 2022 (11 months)

Developed and maintained Ruby on Rails applications with React frontends, implemented Sidekiq background processing and optimized PostgreSQL and MongoDB queries to improve performance for client-facing features.

Ruby on Rails React Sidekiq PostgreSQL MongoDB REST APIs Git Heroku CI CD Agile

Software Engineer

Intagleo Systems

Mar 2021 - Jan 2022 (10 months)

Enhanced SaaS products using Ruby on Rails and ReactJS, designed RESTful APIs and improved application performance through query optimization; deployed and maintained applications on Heroku.

Ruby on Rails React REST APIs PostgreSQL Query Optimization Heroku Git JavaScript Agile Testing

Full-Stack Developer

Cyber Nest Pvt Ltd

Nov 2020 - Mar 2021 (4 months)

Worked as a full-stack developer on Ruby on Rails and ReactJS applications, developing secure scalable backend services and integrating Electron-based desktop features.

Ruby on Rails React Electron JavaScript REST APIs PostgreSQL Git Testing Deployment & Security

Associate Software Engineer

LOGICON

Aug 2019 - Nov 2020 (1 year 3 months)

Started professional career as a full-stack developer using Ruby on Rails and ReactJS, collaborating with senior engineers on feature development and bug fixes to deliver client projects.

Ruby on Rails React JavaScript PostgreSQL Git Debugging Agile Heroku

Education

Degrees, certifications, and relevant coursework

Government College University Lahore

Bachelor of Science, Computer Sciences

2015 - 2019

Bachelor of Science in Computer Sciences with coursework in object oriented programming, data structures, algorithms, databases, and software engineering.