Hafeez (Ur) U.

Senior Ruby Full Stack Developer

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Stoke-on-Trent, United Kingdom

Experience

Sep 2023 - Present
2 years 4 months

Senior Ruby Full Stack Developer

Veroke

  • Led the development of scalable SaaS platforms using Ruby on Rails and React.
  • Developed and maintained high-traffic Ruby-based applications serving 500K+ active users.
  • Designed and delivered RESTful APIs, ensuring seamless frontend-backend integration.
  • Collaborated with UI/UX designers to create visually appealing and user-friendly interfaces using HTML, CSS, and JavaScript.
  • Implemented automated testing (RSpec, Capybara) achieving 90%+ coverage and reducing production bugs by 25%.
  • Established CI/CD pipelines with GitLab, reducing deployment time by 40%.
  • Mentored a team of 4 junior developers, introduced coding standards, and conducted code reviews to raise overall code quality.
  • Worked directly with stakeholders to refine requirements, ensuring the timely delivery of features in Agile Scrum sprints.
May 2022 - Aug 2023
1 year 4 months

Senior Full Stack Developer

iSOFT Studios

  • Improved database query efficiency, boosting overall system performance by 30%.
  • Implemented responsive UIs, improving page load speed by 20%.
  • Enhanced usability, reducing bounce rate significantly.
  • Integrated 10+ third-party APIs to expand product features and interoperability.
  • Partnered with product managers and UI/UX teams to deliver responsive, user-centric web interfaces.
  • Contributed to Agile ceremonies, ensuring 95% of sprints were delivered on time.
  • Provided knowledge-sharing sessions and peer training, helping upskill junior engineers on Ruby and React.
Sep 2020 - May 2022
1 year 9 months

Software Developer

AlgoRepublic

  • Contributed to 3 major web platforms (education management, healthcare, and surgery systems).
  • Designed and implemented core features in Ruby, JavaScript, and HTML, enhancing platform functionality for 10K+ users.
  • Enhanced system usability and reliability, resulting in positive client feedback and long-term partnerships.
  • Supported deployment pipelines and testing efforts, ensuring timely releases with minimal production issues.

Summary

Versatile and results-driven Senior Software Engineer with 5+ years’ experience designing and delivering scalable web applications. Proven expertise in Ruby on Rails, Node.js, React, and modern cloud-native practices, with strong leadership in mentoring teams, driving Agile delivery, and ensuring software quality.

Skills

  • Backend & Frameworks: Ruby On Rails, Node.js, Restful Apis, Microservices
  • Frontend: React, Javascript (Es6+), Html5, Css3
  • Databases: Postgresql, Mysql, Query Optimisation
  • Cloud & Devops: Docker, Ci/cd (Gitlab, Jenkins), Aws
  • Testing & Quality: Rspec, Capybara, Tdd/bdd
  • Agile Delivery: Scrum, Jira, Bitbucket, Git
  • Leadership: Mentoring, Code Reviews, Stakeholder Collaboration, Project Ownership

Languages

Urdu
Native
English
Advanced

Education

Oct 2025 - Present

University of Chester

MSc Programme & Project Management · Programme & Project Management · Chester, United Kingdom

Oct 2016 - Jun 2020

PMAS Arid University

BS Computer Science · Computer Science · Rawalpindi, Pakistan

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