Full Stack Engineer

Open to full-time
Bio

Ebenezer C H is a highly skilled AI Engineer and Senior Backend Developer with extensive experience in creating advanced AI-driven systems and robust backend solutions. At Andela, he developed state-of-the-art retrieval-augmented generation systems using vector embeddings and engineered 'Codesmell,' an AI tool for identifying and refactoring Python anti-patterns. His proficiency with Python, Next.js, OpenAI SDK, and PostgreSQL, among others, has enabled him to architect multi-agent frameworks and automate complex planning tasks. Previously at Givelify, he enhanced user onboarding by engineering backend APIs for deep linking and created tools to centralize engineering workflows. His tenure at Collective[i] saw him developing microservices for high-load analytics platforms, optimizing API performance, and automating testing with Jest/Supertest. Ebenezer holds an MSc in Information Technology and a BSc in Computer Science, grounding his innovative solutions in solid academic knowledge. His technical arsenal also includes expertise in Node.js, Express.js, Nest.js, Kubernetes, MongoDB, and Docker, making him a versatile asset in software engineering and AI development.

Video Intro
Assessments

General Coding and Video Assessment

Great score on Find the Length of the Longest Substring Without Repeating Characters, Difficulty Easy · Great score on Optimize Product Page Load Time, Difficulty Medium · Great score on Sharing Authenticated User Data Across the App, Difficulty Medium

Experience
  1. AI ENGINEER

    Andela - United States, Remote· AI/MLOct 2025Present
    • Developed robust retrieval-augmented generation systems utilizing vector embeddings for high-precision context-aware AI responses
    • Engineered 'Codesmell,' an AI-driven diagnostic tool that identifies Python anti-patterns and provides automated refactoring solutions, enhancing code quality.
    • Architected multi-agent frameworks in Python to automate complex planning tasks, streamlining workflows
    Python, Next.js, OpenAI SDK, LangChain, LangGraph, PostgreSQL, FastAPI
  2. SENIOR BACKEND DEVELOPER

    Givelify· Enterprise & SaaSNov 2023Sep 2025
    • Engineered backend APIs for deep linking and deferred deep linking in Givelify mobile app, enhancing user onboarding and client attribution.
    • Architected custom URL routing encoders to facilitate seamless traffic transitions between native mobile apps and web fallbacks.
    • Developed "Services Panel" tool to centralize engineering workflows, tracking pull requests, merge statuses, and deployment health
  3. SENIOR SOFTWARE ENGINEER

    Collective[i]· Enterprise & SaaSFeb 2021Jul 2023
    • Engineered microservices to support analytics platforms capable of handling thousands of API calls per second.
    • Enhanced API performance through query optimization and effective caching strategies.
    • Automated API testing with Jest/Supertest, significantly reducing production bugs.
    • Proposed and implemented infrastructure improvements adopted company-wide, enhancing system reliability.
    Node.js, Express.js, Nest.js, Kubernetes, MongoDB, Docker
Education
  1. MSc. Information Technology

    Kwame Nkrumah University of Science and TechnologyKumasi, Ghana2022 — 2024
  2. Bsc. Computer Science

    University of Cape CoastCape Coast, Ghana2008 — 2012
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