Summary
Overview
Work History
Education
Skills
Websites
Certification
References
Languages
Timeline
Generic

KELVIN FREDERICK KERIMU

Lagos,Nigeria

Summary

Innovative Lead Developer known for high productivity and efficient task completion. Skilled in software architecture design, agile project management, and cross-platform development. Excel in problem-solving, team collaboration, and adaptability to rapidly changing technologies. Committed to delivering quality solutions on time while fostering positive team dynamics.

Overview

8
8
years of professional experience
2024
2024
years of post-secondary education
1
1
Certification

Work History

Lead Developer

GravId
San Francisco, USA
04.2025 - Current
  • Developed and optimized APIs using TypeScript/Node.js, PostgreSQL, and MongoDB, improving response times by 25%.
  • Member of the core bug-fix team, resolving production issues and reducing downtime by 40%.
  • Collaborated on React + TypeScript frontend, improving UI rendering efficiency and memory usage.
  • Translated Figma designs into production-ready mobile applications with smooth UI/UX.
  • Integrated real-time synchronization, push notifications, and secure authentication flows.
  • Automated CI/CD pipelines with GitHub Actions for reliable builds and deployments.
  • Designed scalable backend systems and implemented AI-driven performance monitoring to maintain system health.

Software Engineer

Snapbrillia
San Francisco, USA
04.2023 - 03.2025
  • Collaborated on React + TypeScript frontend, improving UI rendering efficiency and memory usage.
  • Designed scalable backend pipelines and implemented AI-driven performance monitoring to maintain system health.
  • Worked cross-functionally with design and product teams to deliver seamless user-facing features.
  • Contributed to continuous product improvements, enhancing system reliability and developer workflow.

Mobile Application Developer (Fullstack Developer)

Punch Group
Lagos, Nigeria
02.2024 - 12.2024
  • Worked on 2 large-scale client apps and desktop projects (Zwilt, Looking2Hire,) including health & medical applications and trading/financial platforms.
  • Built and deployed apps on Google Play Store and Apple App Store, delivering secure and scalable solutions.
  • Developed trading analysis features and implemented custom Pine Script strategies for a client's trading platform.
  • Translated Figma designs into production-ready mobile applications with smooth UI/UX.
  • Integrated real-time sync, push notifications, and secure authentication flows.
  • Automated CI/CD pipelines with GitHub Actions for reliable build & deployment.
  • Designed scalable backend pipelines and implemented AI-driven performance monitoring to maintain system health.

Mobile Application Developer (Senior Software Engineer)

Leedsmode
01.2023 - 06.2024
  • Developed and launched 4+ (Protraina, WangaPay, and more) cross-platform mobile applications for different clients using Flutter, Kotlin, and TypeScript APIs, all published on App Store & Play Store.
  • Implemented real-time synchronization, push notifications, and secure authentication with JSON-based APIs.
  • Set up CI/CD pipelines with GitHub Actions for automated builds and seamless deployments.
  • Worked extensively with Supabase and Firebase for authentication, cloud functions, and data synchronization.
  • Collaborated with client teams to translate Figma designs into production-ready apps, ensuring smooth UI/UX delivery.

Software Engineer

Jumia
Lagos, Nigeria
04.2019 - 07.2020
  • Developed customer reordering feature, increasing retention by 20%.
  • Streamlined review moderation tool, reducing review processing time by 50%.
  • Worked on mobile apps using up-to-date technologies.

Backend Developer

Ebilite
Lagos, Nigeria
05.2018 - 04.2019
  • Designed and maintained backend systems for a cryptocurrency exchange platform.
  • Implemented payment gateway functionality for secure crypto-fiat transactions.
  • Optimized data workflows, resulting in a 30% increase in processing efficiency.

Education

B.Eng. - Electrical/Electronics Engineering

Federal University of Petroleum Resources Effurun (FUPRE)

Certificate - Computer Applications

Green Value Computer College
Lagos

Certificate - Software Engineering

Green Value Computer College Advanced
Lagos

Skills

  • Flutter
  • Kotlin
  • React Native
  • Reactjs
  • Nodejs
  • TypeScript
  • Python
  • PHP
  • Rust
  • PostgreSQL
  • MongoDB
  • MySQL
  • Redis
  • Git
  • GitHub Actions
  • Jenkins
  • Docker
  • Firebase
  • Figma
  • GraphQL
  • REST APIs
  • JSON/YAML
  • CI/CD pipelines
  • Analytical thinking
  • C
  • Mobile app development
  • Javascript
  • Machine learning
  • Web application development
  • SQL
  • Development lifecycle management
  • Library design
  • API integration
  • JavaScript expert

Certification

  • Microsoft Office Specialist (Word & PowerPoint), 2017
  • Data Analysis with Excel, 2017, LinkedIn Learning
  • Basic MS-DOS Operations, 2017, Self-Study

References

  • Ninh Tran, Founder, CEO, GravId, Ninh@grav.id
  • Goodswill J. Babatude, Team Lead, Ebilite, Godswillbabatude30@gmail.com
  • Beatrice Thelisma, Co Founder, CTO, GravId, beatricethelisma@grav.id
  • Oluwatomisin Adeyinka Tomori, Team Lead, Punch, oluwatomisin@punch.agency
  • Jesutobi Joseph, Team Lead, Leadsmode, jesutobidev@gmail.com

Languages

English
First Language

Timeline

Lead Developer

GravId
04.2025 - Current

Mobile Application Developer (Fullstack Developer)

Punch Group
02.2024 - 12.2024

Software Engineer

Snapbrillia
04.2023 - 03.2025

Mobile Application Developer (Senior Software Engineer)

Leedsmode
01.2023 - 06.2024

Software Engineer

Jumia
04.2019 - 07.2020

Backend Developer

Ebilite
05.2018 - 04.2019

B.Eng. - Electrical/Electronics Engineering

Federal University of Petroleum Resources Effurun (FUPRE)

Certificate - Computer Applications

Green Value Computer College

Certificate - Software Engineering

Green Value Computer College Advanced
KELVIN FREDERICK KERIMU