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Hi, I’m Deborah Okeke, a backend engineer based in Lekki, Lagos State, Nigeria. I design and implement robust web backends, translating business requirements into reliable APIs and services, and collaborating with product and frontend teams to deliver scalable, maintainable systems. My experience spans building and refining backend systems for web and mobile apps, securing data flows, enabling real-time features, and crafting efficient data architectures. I’m passionate about turning complex problems into clean, elegant solutions and continuously learning new technologies.…Hi, I’m Deborah Okeke, a backend engineer based in Lekki, Lagos State, Nigeria. I design and implement robust web backends, translating business requirements into reliable APIs and services, and collaborating with product and frontend teams to deliver scalable, maintainable systems. My experience spans building and refining backend systems for web and mobile apps, securing data flows, enabling real-time features, and crafting efficient data architectures. I’m passionate about turning complex problems into clean, elegant solutions and continuously learning new technologies.

Deborah Okeke

Back-End Developer, Web Developer, Full Stack Developer, +3

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Hi, I’m Deborah Okeke, a backend engineer based in Lekki, Lagos State, Nigeria. I design and implement robust web backends, translating business requirements into reliable APIs and services, and collaborating with product and frontend teams to deliver scalable, maintainable systems. My experience spans building and refining backend systems for web and mobile apps, securing data flows, enabling real-time features, and crafting efficient data architectures. I’m passionate about turning complex problems into clean, elegant solutions and continuously learning new technologies.…Hi, I’m Deborah Okeke, a backend engineer based in Lekki, Lagos State, Nigeria. I design and implement robust web backends, translating business requirements into reliable APIs and services, and collaborating with product and frontend teams to deliver scalable, maintainable systems. My experience spans building and refining backend systems for web and mobile apps, securing data flows, enabling real-time features, and crafting efficient data architectures. I’m passionate about turning complex problems into clean, elegant solutions and continuously learning new technologies.

Available to hire

Hi, I’m Deborah Okeke, a backend engineer based in Lekki, Lagos State, Nigeria. I design and implement robust web backends, translating business requirements into reliable APIs and services, and collaborating with product and frontend teams to deliver scalable, maintainable systems.

My experience spans building and refining backend systems for web and mobile apps, securing data flows, enabling real-time features, and crafting efficient data architectures. I’m passionate about turning complex problems into clean, elegant solutions and continuously learning new technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Backend Engineer at GOTEDO

February 1, 2024 - Present

Backend Engineer at GOTEDO focusing on building and improving a church management software and social media mobile app. Responsibilities included designing a Markdown-based documentation system with custom plugins, implementing web/mobile push notifications, creating a real-time notification feed, building posts/feeds/mentions features with personalized content delivery, and developing a robust search using PostgreSQL full-text search with trigram similarity. Led moderation tooling, created public church claims views with AdonisJS Edge, and re-engineered SMS infrastructure across providers to enable personalized and bulk messaging. Also involved in refactoring modules for performance and maintainability and writing extensive unit, functional, and end-to-end tests. Tech stack: Node.js, Adonis.js, SQL, TypeScript.

Backend Engineer at GOTEDO (Church Management Software and Social Media Mobile Application)

February 1, 2024 - Present

Backend Engineer responsible for designing and implementing backend features for GOTEDO, including a Markdown-based documentation system with plugins, a cross-platform push notification system, a real-time notification feed, and a posts/feed/mentions system with personalized content algorithms. Implemented a robust search using PostgreSQL full-text search and trigram similarity, built moderation tools, public church-claims views, and an encrypted document export/delivery pipeline for Gotedo Impress. Also re-engineered SMS delivery across regions, integrated multiple providers, and authored extensive tests to ensure stability and security. End-to-end work spanned performance optimization and maintainability improvements.

Project Engineer at Vault-ZIP Encrypted File Distribution System

January 1, 2026 - February 1, 2026

Engineered a high-performance streaming pipeline using Node.js streams to encrypt files on-the-fly via AES-256-GCM, reducing server memory overhead while enabling secure large-file distribution. Architected a two-step envelope encryption process, wrapping unique data encryption keys with a master key to protect assets at rest. Integrated MinIO via Docker for S3-compatible local development and built a custom Ace CLI tool for multi-step 'pre-flight' upload handshakes. Developed a decryption lifecycle CLI that uses authentication tags to verify file integrity and prevent tampering. Implemented a comprehensive test suite with 100% command coverage, validating against header overflows, metadata injection, and AES-GCM authentication failures.

Course Author at The Typescript Course

July 1, 2025 - October 1, 2025

Authored a comprehensive 19k-word TypeScript course (with code samples) that explains modern type features and simplifies advanced concepts such as generics, utility types, and type constraints for beginner and intermediate developers.

Backend Developer at FLOWEASE Pipeops Hackathon

January 1, 2024 - January 31, 2024

Built the backend for a project management and productivity app, enabling authenticated users to create projects, add collaborators, assign milestones, and track progress, while implementing real-time notifications for project updates using Socket.io.

Hackathon Contributor at TRUSTBALLOT WIBA Hackathon

November 1, 2023 - December 1, 2023

Contributed to a blockchain-based voting platform to enhance election transparency and integrity by developing and deploying the smart contract for election creation, vote casting, and result retrieval.

Backend Developer at APHIA E-Commerce Marketplace

October 1, 2023 - November 1, 2023

Collaborated on the backend system of a multi-vendor e-commerce platform; implemented core backend features including JWT auth, RBAC, payments (Flutterwave), file uploads, and product and order management.