Summary
Overview
Work History
Education
Skills
Projects
Open Source Contribution
Certification
Timeline
Generic

Emmanuel Elegbede

Abuja

Summary

Software Engineer (Fullstack) with strong front-end expertise and experience building documentation sites and content management systems. Contributed to open-source projects with a focus on modernization and testing. Experienced in creating clear technical documentation and working with distributed teams, with a strong passion for creating products and tools that enhance developers' productivity.

Overview

6
6
years of professional experience
1
1
Certification

Work History

Freelance Fullstack Developer

Upwork
04.2020 - Current
  • Built 20+ web applications, including internal documentation sites and knowledge bases for client teams
  • Developed multiple CMS-driven websites enabling non-technical clients to manage their own content
  • Created developer documentation portals with organized API references and usage guides
  • Maintained 100% Job Success Score and Top-Rated Plus status through consistent quality delivery

Backend Engineer (Contract)

Kas Foods
Budapest
12.2022 - 04.2023
  • Built backend services for cross-platform mobile and web applications using NodeJS, ExpressJS, and Supabase.
  • Created admin dashboards to streamline admin management tasks and enable auditing.
  • Authored API documentation with Redocly, conforming to OpenAPI 3.0 standards to support seamless integration by the frontend.

Fullstack Developer

Sinapis Technologies
Bnei Brak
06.2021 - 11.2022
  • Developed an interactive data visualization platform using React and TypeScript
  • Designed and implemented an internal CLI tool for managing i18n translations across multiple applications.
  • Built high-performance 2D animation workflows using ReactJS, Typescript, PixiJS, GSAP, and GLSL.
  • Managed infrastructure on Google Cloud Platform, scaling compute resources to meet usage demands.

Frontend Engineer Intern (Microsoft SkillsLab)

Sidmach Technologies
Lagos
02.2021 - 05.2021
  • Led the complete rebuild of the company's client portal using ReactJS, improving performance and UX.
  • Earned both Microsoft Azure Developer Associate (AZ-204) and Microsoft Azure Fundamentals (AZ-900) certifications during the course of apprenticeship.

Education

Higher National Diploma - Building Technology

Lagos State Polytechnic
Lagos, Nigeria
07-2019

Skills

  • JavaScript
  • TypeScript
  • ReactJS
  • NextJS
  • TailwindCSS
  • PayloadCMS
  • NodeJS
  • ExpressJS
  • NestJS
  • Strapi
  • HTML
  • CSS
  • Rust
  • GLSL
  • Firebase
  • Supabase
  • PostgreSQL
  • Docker
  • GCP
  • AWS
  • DigitalOcean
  • Git
  • Retool
  • Stripe Payments

Projects

Janus Vision - AI-powered PDF Parser | Full-Stack Engineer

Built an insertion order form parser that uses Google's Document AI to extract specific fields from user-uploaded files and allows the user to connect their Google Drive and Sheets accounts to enable them to export the parsed data to an Excel sheet and also save the uploaded file to a preselected Drive folder. It comes with a tiered subscription system powered by Stripe. 

Tech Stack: NextJS, Supabase (Auth, Edge Functions, PostgreSQL Storage), TypeScript, Google Drive API, Google Sheets API, Stripe, Vercel.

Kolect Mailer - Gmail-Powered Email Outreach Platform | Full-Stack Engineer

Built an email outreach SaaS enabling bulk campaigns and real-time reply tracking. Designed a resilient event-driven system with Postmark webhooks and Redis pub/sub for <1s SSE notifications on replies, eliminating the need for restricted Gmail API scopes. Implemented AES-256-GCM encryption, QStash job queue processing, and deployed on Google Cloud Run with zero-downtime Docker deployments

Tech Stack: NestJS, TypeScript, Supabase (PostgreSQL), DrizzleORM, Redis (Upstash), QStash, Postmark, Gmail API, Docker, Google Cloud Run

Kolect Ads - Multi-Platform Advertising Management System | Full-Stack Engineer

Developed an enterprise ad platform that centralizes Google Ads, Meta Ads, and TikTok campaign management with real-time analytics. Built comprehensive Google Ads API v21 integration with OAuth 2.0, campaign CRUD operations, GAQL reporting, and batch job processing. Implemented incremental sync with ChangeEventService, Redis caching, and Bull queue for async operations.

Tech Stack: NestJS 10.x, TypeScript 5.x, PostgreSQL 15, DrizzleORM, Redis, Bull, Google Ads API, Meta API, TikTok API, Docker

Open Source Contribution

Sequenceserver

Upgraded legacy frontend React codebase from v0.13 to v18, refactored core class-based components to align with modern standards, and implemented comprehensive Jest test coverage.

Certification

Decagon Institute - Software Engineering & Leadership Training Program (October 2021)

Timeline

Backend Engineer (Contract)

Kas Foods
12.2022 - 04.2023

Fullstack Developer

Sinapis Technologies
06.2021 - 11.2022

Frontend Engineer Intern (Microsoft SkillsLab)

Sidmach Technologies
02.2021 - 05.2021

Freelance Fullstack Developer

Upwork
04.2020 - Current

Higher National Diploma - Building Technology

Lagos State Polytechnic
Emmanuel Elegbede