Zia U.
Full-Stack Engineer
Experience
Dec 2024 - Present
1 yearUnited States
Full-Stack Engineer
Ecolink
- Built multi-tenant real-time communication workflows for agencies by integrating Action Cable, WebSockets, and Turbo Streams, enabling live call routing, chat, SMS, and compliance logging.
- Developed scalable Rails-based architecture supporting integrations with RingCentral and AMS360.
- Delivered responsive UX without custom JavaScript using the Hotwire stack (Turbo Frames + Turbo Streams), improving accessibility across all screens and driving 50% higher customer engagement.
- Integrated Slack bot to generate bi-weekly user reports in PDF and CSV formats, reducing the manual effort of compiling active user statistics by 80%.
- Built and delivered features in Agile teams with a TDD approach, collaborating closely with design, product, and QA to achieve sprint goals. Test Drive Development, Stimulus
Jan 2023 - Dec 2024
2 yearsUnited States
Full-Stack Engineer
Intellirent
- Refactored legacy Rails architecture using advanced metaprogramming and DRY principles, delivering a 33% performance gain and lowering server costs.
- Automated applicant screening with REST API integrations (Stripe, Experian), reducing manual work by 30%. Software Development Lifecycle, AWS Cloud Environments, Technical Troubleshooting, Code Review
- Restructured relational schemas with ActiveRecord, resolving memory issues (23% improvement) while ensuring ACID compliance.
- Accelerated debugging by 50% using structured logging and real-time monitoring tools such as Papertrail and Airbrake.
- Wrote unit tests using RSpec for critical modules, improving test coverage and reducing production bugs in legacy refactored components.
Jun 2022 - Jan 2023
8 monthsSingapore
Software Engineer
Biomark
- Reduced codebase size by 12% using hash-based metaprogramming in Ruby on Rails, achieving O(1) time complexity in key workflows.
- Developed HIPAA-compliant pipelines using HL7 APIs, enabling secure healthcare data exchange and reducing manual processing by 47%.
- Automated onboarding workflows and designed modular healthcare microservices, boosting team productivity by 70% and developer efficiency by 30%.
Jun 2021 - Jun 2022
1 year 1 monthWilmington, United States
Software Engineer
Saas LTV Growth
- Migrated REST endpoints to Shopify GraphQL API and implemented CI/CD pipelines via GitHub Actions, reducing server load by 36% and accelerating release cycles.
- Optimized background job queues with Redis batch processing, eliminating N+1 query issues and improving resource use by 43%.
- Implemented product customization features (engraving, swatches, image uploads), increasing customer engagement by 37% and boosting merchant revenue.
- Reduced LCP (Largest Contentful Paint) by 72% via Redis caching and backend query optimization in MVC architecture.
Summary
Full Stack Engineer with 4+ years of experience building secure, high-performance web applications across real estate, healthcare, and e-commerce domains. Skilled in both modern and legacy systems with a strong focus on performance optimization, database tuning, and API-driven development. Improved system speed by 33% and team efficiency by 70% through query tuning and workflow automation. Committed to clean code, scalable architecture, and remote collaboration.
Languages
English
IntermediateEducation
Namal College - Associate College of University of Bradford
Bachelor of Science · Computer Science · United Kingdom
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Similar Freelancers
Discover other experts with similar qualifications and experience
- English
- Deutsch
2025 © FRATCH.IO GmbH. All rights reserved.