Mohammed Sagban

Professional Summary

• Full-stack Software Engineer with 9+ years of experience shipping production web and mobile products across EdTech, fintech, banking, and government sectors.
• Tech Lead on an EdTech platform that scaled from ~500 to 10,000+ active students in one year, with end-to-end ownership of architecture, delivery, and team mentorship.
• Strong across the stack: TypeScript, React, React Native, Next.js, Node.js, Hono.js, Cloudflare Workers, REST and GraphQL APIs, PostgreSQL, and AWS.
• Practical focus on system design, code quality, code review, CI/CD, Test-Driven Development (TDD), and Agile/Scrum delivery in regulated and high-availability environments.

Work Experience

1. Senior Software Engineer

   Celestify, Remote

   Mar 2023 — Aug 1, 2026

   • Delivered 6+ production web and mobile products for enterprise clients in oil, automotive, and industrial sectors, owning features from API contract to release.
   • Reduced API cold-start latency by about 60% by moving Node.js workloads to Hono.js on Cloudflare Workers.
   • Improved delivery quality across a 4-person engineering team through architecture decisions, code reviews, and CI/CD-based releases.

   Key tools and technologies used in this role: React, TypeScript, React Native, Hono.js, Cloudflare Workers.

2. Tech Lead and Full-Stack Engineer

   Eduo, Al-Qadisiyah, Iraq — Hybrid

   Jan 2025 — Jan 2026

   • Led a 5-engineer cross-functional team as enrollment grew from roughly 500 to 10,000+ students within 12 months.
   • Designed a serverless architecture on Cloudflare Workers and PostgreSQL that supported 200+ concurrent live sessions while controlling infrastructure cost.
   • Delivered one platform across React and React Native for mixed learning, exams, live video, access-code distribution, finance, reporting, and Telegram integration.

   Key tools and technologies used in this role: Technical Leadership, System Design, React, React Native, TypeScript, Cloudflare Workers, PostgreSQL.

3. Senior React Native Developer

   ScrollBites, Remote

   Jul 2023 — Jun 2024

   • Shipped 10+ React Native features across discovery, sharing, profiles, and social engagement for a global restaurant product.
   • Reduced app cold-start time by about 30% through bundle splitting and lazy navigation.
   • Integrated Node.js and NoSQL services and contributed to a CI/CD pipeline supporting weekly production releases.

   Key tools and technologies used in this role: React Native, Node.js, NoSQL, CI/CD.

4. Web and Mobile Developer

   Digital Logic, Baghdad, Iraq — On-site

   Aug 2022 — Feb 2023

   • Delivered 4 production applications for Iraqi government programs across health, defense, communications regulation, and electronic passports.
   • Owned regulated web and mobile interfaces using React, React Native, .NET, and Tailwind CSS.
   • Strengthened pre-release quality by coordinating frontend, backend, and QA review within a 6-person engineering team.

   Key tools and technologies used in this role: React, React Native, .NET, Tailwind CSS.

5. Frontend and Mobile Developer

   Qi Card, Baghdad, Iraq — On-site

   Aug 2017 — Jul 2022

   • Built and maintained banking and payment interfaces serving 3M+ cardholders on one of Iraq's largest fintech platforms.
   • Delivered 20+ transaction, account, and payment workflows across React, Vue.js, jQuery, and React Native.
   • Reduced critical post-release UI defects by about 40% through stronger validation and cross-team review.

   Key tools and technologies used in this role: React.js, Vue.js, jQuery, React Native.

Education

• Bachelor of Pharmacy

  2020 — 2025

  Al-Kafeel University, Karbala, Iraq

Technical Skills

• Languages: TypeScript, JavaScript, SQL
• Frontend: React, Next.js, Vue.js, jQuery, Tailwind CSS, Redux
• Mobile: React Native, Ionic, Capacitor, Flutter
• Backend & APIs: Node.js, Express, Laravel, Hono.js, .NET, REST APIs, GraphQL
• Cloud, DB & DevOps: AWS, AWS Lambda, Cloudflare Workers, Docker, PostgreSQL, MongoDB, Firebase, CI/CD
• Testing & Practices: Jest, Vitest, React Testing Library, Playwright, Test-Driven Development (TDD), Agile Methodologies, Scrum, Code Review, Mentorship