App LogoApp name
KZ

Karen Ziboh

Open to work5 years experience

Senior Frontend Engineer

Lagos, NigeriaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Senior Frontend Engineer | Frontend Engineering & Architecture | AI Integration | Cloud & DevOps

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

29 skills
reactnext.jstypescriptjavascriptredux toolkithtml5css3scsstailwind cssnode.jsrestful apisgraphqlpostgresqlmongodbchart.jslangchainopenai apisragprompt engineeringvector databasesoauth 2.0jwtmfaawsdockerjestreact testing librarygitfigma

GitHub Activity Evidence

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Work Experience

Full Stack Engineer

Co-Creation Hub (CcHUB)

Jan 2023 - Present Lagos|Rwanda|Kenya|Namibia|UK
  • Built and launched Pemi (askpemi.org) , an AI chat assistant for creatives to navigate policy information in Nigeria and Kenya; backend in Python + LangChain with RAG pipelines, PostgreSQL + PgVector for semantic retrieval, and a Next.js frontend; now used as a go-to resource for creative industry policy education.
  • Owned end-to-end development of a multi-hub SaaS booking platform, scaling to 200+ users across 5 locations in Africa
  • Led the localization and optimization of 50 startup products under the Bill & Melinda Gates X Edo Innovates Program, achieving an 80% success rate.
  • Led the Frontend Engineering Team, establishing team-wide best practices in performance optimization and code quality.

Full Stack Engineer

Institute for Development Impact (I4DI)

Feb 2022 - Dec 2022 Washington DC, US
  • Python/Django Data pipeline Built to fetch, clean, and prepare 30,000+ USAID publication files from the USAID website for ML processing, handling document ingestion, text extraction, normalization, and structured output for downstream model training.
  • Developed interactive React dashboards with D3.js and Chart.js, enabling project managers across 6 Western Balkans countries to visualize COVID-19 impact metrics in real time.
  • Zen-O Contributed to a MERL program management solution for social impact projects, using Spring Boot and JavaScript, improving project tracking and evaluation workflows.

Frontend Engineer

Novustack

Mar 2021 - Feb 2022 Boston, US
  • Contributed to a talent management portal handling 300+ applicant records, implementing skill-based and sector-preference matching logic.
  • Introduced automated testing with Jest + React Testing Library and containerized applications with Docker, lowering production defects by 60% and cutting deployment failures by 40%.

Projects

Brevet AI Saas Sales Assistant

  • Delivered a research engine used by 2+ US companies that boosted conversion rates and shortened sales cycles by 35%, evaluated for conversational accuracy, and tone appropriateness.

CP Compass by Commercio Partners

  • Revamped the user interface of CP Compass by migrating the frontend from React to Next.js 13+ with App Router. This upgrade delivered significantly improved performance, faster load times, and a superior overall user experience.

Leaderboard Standings

Leaderboard Position Pending

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Assessment Highlights

Assessments Not Completed

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AI Collaboration Score

AI Collaboration Score Pending

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Role Compatibility Profile

Role Compatibility Analysis Pending

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Achievements

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About Details

Professional Bio

Senior Frontend Engineer with 5+ years of experience designing and scaling enterprise-grade applications using React, Next.js, and TypeScript. Proven track record of leading frontend modernization and AI-driven solutions. Expertise in fintech, healthcare, and enterprise SaaS.

HND in Computer Science

Yaba College of Technology ( - Present)

Languages: English, Hindi
Email: Locked