Khalid Mahmood

Available to hire

I'm Khalid Mahmood, a Senior Full Stack Developer experienced in building scalable web and mobile applications using JavaScript/TypeScript, Python, PHP, and modern frameworks.

About

I’m Khalid Mahmood, a Senior Full Stack Developer experienced in building scalable web and mobile applications using JavaScript/TypeScript, Python, PHP, and modern frameworks. I enjoy turning complex problems into robust, maintainable solutions and have helped fast-growing companies deliver high-quality web and mobile solutions, often deploying on AWS and designing RESTful services. I am comfortable working across the full stack and collaborating with cross-functional teams to deliver impactful products.

I love meeting clients in real time to understand their needs and provide long-term technical support and maintenance as part of after-sales service. I’m a strong communicator who can work remotely across different time zones and lead both front-end and back-end efforts to boost business outcomes with technology-driven solutions.

  • 12 years' experience
  • Joined May 2026

Industry experience

  • Software & Internet
  • Financial Services
  • Professional Services
  • Media & Entertainment

More experts in Washington, United States

Work experience· 7 roles

Full Stack Developer (Freelance)Oct 2020 – Present · 6 yrs 2 mos

Freelance work on custom programming languages and technologies (Drupal, JavaScript, TypeScript, PHP, ASP.NET & Ruby on Rails); built REST APIs; created real-time websites and mobile apps; provided long-term remote technical support and maintenance.

Full-Stack Developer / Senior Full Stack Engineer (Web & Mobile) · FreelancerOct 2020 – Present · 6 yrs 2 mos

Led full-stack development for Drupal-based web and mobile projects; built front-end interfaces with JavaScript frameworks; implemented REST APIs; deployed apps on AWS; ensured maintainable, scalable solutions and provided ongoing support.

Senior Full Stack Engineer (Web & Mobile) · Baron Tech (Private) LimitedSep 2017 – Oct 2019 · 2 yrs 2 mos

Led end-to-end development across Drupal, eCommerce, and AWS; led front-end development and implemented a reusable front-end permissions library; performed code reviews; steered agile sprints; delivered scalable web applications.

Lead Full Stack Developer · Innowise GroupNov 2015 – Apr 2017 · 1 yr 6 mos
Lead Developer · Innowise GroupNov 2015 – Apr 2017 · 1 yr 6 mos
Full Stack DeveloperFeb 2013 – Nov 2015 · 2 yrs 10 mos
Web Developer · BrainhubFeb 2013 – Nov 2015 · 2 yrs 10 mos

Education

Software Engineer (Full-Stack) · University of Wollongong2008 – 2013
Bachelor of Software Engineering · University of Wollongong2008 – 2013

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