Tina User
@tinauser4
Full-Stack Engineer with expertise in scalable systems and microservices.
What I'm looking for
As a Full-Stack Engineer with over 6 years of experience, I have a proven track record of building scalable systems that serve millions of users. My specialization in Node.js and TypeScript microservices on AWS and GCP has enabled me to achieve a transaction success rate of over 95%. I thrive in dynamic environments where I can leverage my technical skills to solve complex problems and deliver high-quality solutions.
In my recent role as a Senior Software Engineer at Awabah, I led a team of engineers in designing a robust microservices architecture. I successfully architected the PenPay payment gateway, which streamlined payment processing and significantly reduced response times. My commitment to mentoring junior developers and conducting thorough code reviews has fostered a culture of excellence within my team. I am passionate about continuous learning and staying updated with the latest industry trends to enhance my contributions.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Awabah
Jul 2021 - Apr 2025 (3 years 9 months)
Led backend and DevOps teams of 5 engineers designing scalable microservices architecture on AWS and GCP. Architected PenPay payment gateway with bulk/single payments, secure PIN validation, and real-time notifications.
Fullstack Engineer
Tizeti Inc
Jan 2019 - May 2021 (2 years 4 months)
Developed Tizeti OS CRM system with automated workflows improving operational efficiency by 30%. Engineered secure customer-facing and internal web applications with role-based access control across 100,000+ active users in 5 countries.
Fullstack Engineer & DevOps
FastShorts
Architected scalable AI-powered video automation platform using Node.js, TypeScript, Next.js with MongoDB. Integrated ElevenLabs and Runway APIs with end-to-end automated video generation pipeline processing high-volume content requests.
Backend & DevOps Engineer
Treepz
Architected scalable Node.js/TypeScript microservices platform facilitating over 6 million customer journeys across 25 cities in 6 countries. Engineered comprehensive booking system for events, vacations, car rentals, and airport transfers with 1,500+ vehicles.
Education
Degrees, certifications, and relevant coursework
University of Westminster
MSc Cybersecurity & Forensics, Cybersecurity & Forensics
Currently pursuing a Master of Science in Cybersecurity & Forensics. The program focuses on advanced topics in cybersecurity, digital forensics, and information security.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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