Available to hire
I’m Henry Chizoba Udeh, a Backend Software Engineer with 5+ years of experience building scalable, secure systems across fintech, logistics, and SaaS. I own services end-to-end—from design and data modeling to deployment, observability, and incident response—and I enjoy translating complex requirements into reliable, business-focused solutions for cross-functional teams. I’m currently deepening my AWS cloud expertise and am passionate about robust architectures, performance optimization, and secure data handling. I value collaboration with non-technical stakeholders and clear technical documentation to guide decision-making.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Full-Stack Developer at Tech Pet Engineering Global
February 1, 2022 - August 1, 2022Developed reusable React.js components across projects, boosting development speed and enabling rapid feature rollout. Spearheaded end-to-end tests on backend and frontend using Cypress and Jest, ensuring coverage of key scenarios and improved reliability.
Backend Developer at Purs Cliq
December 1, 2022 - August 1, 2023Designed an efficient invoicing and receipt-generation system using Node.js, automating billing and reducing administrative overhead by over 60%. Implemented personalized SMS transactional messages via external API for sign-up confirmations and promotions, improving customer communication. Built a wallet microservice using RabbitMQ; led the packaged delivery module with real-time tracking and flexible scheduling.
Lead Backend Developer at Mr Delivery
August 1, 2023 - February 1, 2024Engineered a robust shopping and order-processing system to optimize performance and deliver a seamless user experience. Implemented a secure payment gateway with First Atlantic Bank (Ghana) and designed a geospatial solution featuring a sophisticated search algorithm, real-time socket updates for location tracking, and scalable backend infrastructure. Led the development of a packaged delivery module to boost reliability and customer satisfaction.
Backend Engineer at EnsuredNg
July 1, 2024 - January 1, 2025Built a barcode/QR scanning pipeline linking physical product seals to authenticated product records on an AWS serverless stack (Lambda, DynamoDB, S3). Enabled real-time product verification at scale, secure image ingestion with S3 and base64 for in-app display, and storage lifecycle policies. Integrated CloudWatch for structured logging and observability, improving incident diagnosis. Contributed to CI/CD (GitHub Actions), linting standards, and API input validation, improving test coverage and preventing regressions across new and existing features.
Lead Backend Engineer at Mr Delivery
August 1, 2023 - February 1, 2024Led backend architecture for the core shopping and order processing system (cart, orders, fulfilment) with reliable consistency guarantees. Designed a geospatial rider-tracking system using WebSockets and a proximity-based rider matching algorithm. Implemented Redis caching for hot data to reduce DB load and improve API response times. Built a package delivery module with real-time tracking, flexible scheduling, and customer notifications. Integrated First Atlantic Bank Ghana payment gateway for initiation, webhooks, and reconciliation.
Backend Engineer at PursCliq
December 1, 2022 - August 1, 2023Created a wallet microservice with RabbitMQ-based event messaging, ensuring transactional balance mutations and using idempotency keys to prevent double-processing. Implemented automated invoicing and receipt generation pipelines, reducing manual billing overhead. Integrated Sematext for APM and logs, surfacing wallet health issues early. Built bulk and personalized SMS notifications via an external API for transactional alerts and campaigns.
Full Stack Engineer at TechPet Engineering Global
February 1, 2022 - August 1, 2022Developed a shared React component library used across multiple client projects, accelerating UI delivery. Implemented end-to-end testing for backend and frontend with Cypress and Jest, significantly reducing production regressions.
Backend Engineer at Carrotsuite
January 1, 2025 - PresentLed a major system redesign by transforming a monolithic file management system into a modular, entity-agnostic service. This enabled concurrent multi-file uploads, instant file access, and 100% backward compatibility, while reducing feature integration time by ~80%. Architected enterprise modules across contract management, inspection workflows, medical appointment scheduling, project planning with dependency tracking, and multi-stage performance appraisal with full audit trails. Established team-wide standards (repository pattern, service layer architecture, JSDoc + TypeScript interfaces) that reduced code duplication by ~60% and accelerated delivery. Designed a comprehensive error-handling framework with standardized API responses and layered input validation, dramatically reducing invalid submissions. Applied targeted indexing and cursor-based pagination to high-read endpoints, removing full-table scans and lowering latency for paginated views.
Full Stack Engineer at TechPet Engineering Global
February 1, 2021 - August 1, 2022Built task and goal tracking modules for a Learning Management System, contributing to platform information architecture improvements and reducing user friction. Developed a shared React component library adopted across multiple client projects, ensuring UI consistency and accelerating feature delivery. Implemented authentication for a client platform using Django REST Framework, Simple JWT, and Djoser, covering registration, login, token refresh, and permission-scoped access control. Implemented end-to-end testing (Cypress, Jest) across backend and frontend, systematically validating failure scenarios and reducing production regressions.
Education
Bachelor of Applied Science in Software Development at Brigham Young University – Idaho (BYU-Idaho)
January 11, 2030 - April 6, 2026Qualifications
Industry Experience
Software & Internet, Professional Services, Education, Financial Services, Transportation & Logistics
The Hearts and Hands Humanitarian Foundation (3HF) is a non-profit, non-political, and non-governmental organization based in Nigeria. It is dedicated to protecting vulnerable populations—particularly children and youth—and providing humanitarian aid to the less privileged.
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