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Onyekachi Nathaniel James is a software engineer with hands-on experience building scalable web and mobile applications, managing IT infrastructure, and leading technical teams. He has developed products across industries—from cross-platform mobile apps at Aza, to performance-driven web platforms at Primeries and PaperWallet, to overseeing IT systems and automation at Kotab Systems. With strong skills in JavaScript, TypeScript, React, Next.js, and React Native, he blends technical execution with strategic problem-solving. Beyond code, he has led engineering competitions and hackathons that brought together students, industry, and innovation, showing his passion for both technology and community impact.…Onyekachi Nathaniel James is a software engineer with hands-on experience building scalable web and mobile applications, managing IT infrastructure, and leading technical teams. He has developed products across industries—from cross-platform mobile apps at Aza, to performance-driven web platforms at Primeries and PaperWallet, to overseeing IT systems and automation at Kotab Systems. With strong skills in JavaScript, TypeScript, React, Next.js, and React Native, he blends technical execution with strategic problem-solving. Beyond code, he has led engineering competitions and hackathons that brought together students, industry, and innovation, showing his passion for both technology and community impact.

Onyekachi James

Front-End Developer, Back-End Developer, AI Developer

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Onyekachi Nathaniel James is a software engineer with hands-on experience building scalable web and mobile applications, managing IT infrastructure, and leading technical teams. He has developed products across industries—from cross-platform mobile apps at Aza, to performance-driven web platforms at Primeries and PaperWallet, to overseeing IT systems and automation at Kotab Systems. With strong skills in JavaScript, TypeScript, React, Next.js, and React Native, he blends technical execution with strategic problem-solving. Beyond code, he has led engineering competitions and hackathons that brought together students, industry, and innovation, showing his passion for both technology and community impact.…Onyekachi Nathaniel James is a software engineer with hands-on experience building scalable web and mobile applications, managing IT infrastructure, and leading technical teams. He has developed products across industries—from cross-platform mobile apps at Aza, to performance-driven web platforms at Primeries and PaperWallet, to overseeing IT systems and automation at Kotab Systems. With strong skills in JavaScript, TypeScript, React, Next.js, and React Native, he blends technical execution with strategic problem-solving. Beyond code, he has led engineering competitions and hackathons that brought together students, industry, and innovation, showing his passion for both technology and community impact.

Available to hire

Onyekachi Nathaniel James is a software engineer with hands-on experience building scalable web and mobile applications, managing IT infrastructure, and leading technical teams. He has developed products across industries—from cross-platform mobile apps at Aza, to performance-driven web platforms at Primeries and PaperWallet, to overseeing IT systems and automation at Kotab Systems. With strong skills in JavaScript, TypeScript, React, Next.js, and React Native, he blends technical execution with strategic problem-solving. Beyond code, he has led engineering competitions and hackathons that brought together students, industry, and innovation, showing his passion for both technology and community impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

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Expert

Intermediate

Language

Afar

Intermediate

Work Experience

Software Engineer at Kotab Systems

April 1, 2024 - Present

Manage full IT operations including website maintenance, IT systems, email server, and infrastructure administration. Oversee network and security management, ensuring seamless and secure digital operations. Lead system upgrades and implement automation workflows to improve efficiency and reduce downtime. Apply data analysis to evaluate IT workflows, providing actionable recommendations that enhance productivity and system reliability. Blend software engineering with IT strategy to deliver robust digital infrastructure and continuous improvement.

Frontend Developer at Aza

March 1, 2024 - September 7, 2025

Built and maintained cross-platform mobile applications using React Native and TypeScript. Implemented Redux state management and integrated RESTful APIs for real-time app performance. Collaborated with UI/UX designers to deliver intuitive, user-centered interfaces. Participated in Agile sprints, retrospectives, and daily standups to improve team delivery.

Co-Chief Technology Officer at Primeries

March 1, 2024 - September 7, 2025

Developed web platforms using React, Next.js, and TypeScript. Improved performance with API caching and optimized frontend infrastructure. Collaborated with cross-functional teams to ensure scalable and responsive designs.

Lead Software Developer at PaperWallet NG

October 1, 2023 - September 7, 2025

Supervised developer hiring and managed frontend application development. Coordinated frontend and backend teams for seamless product delivery. Recommended frameworks and optimized technology stacks for better performance.

Subsea Engineer (Intern) at Chevron Nigeria Ltd

October 1, 2023 - September 7, 2025

Supported subsea engineering team in Acid Stimulation Campaign and ROV operations. Assisted in Turnaround Maintenance (TAM) planning and pressure calculations.

Piping & Process Design Engineer (Intern) at Dobel Engineering

September 1, 2022 - September 7, 2025

Designed GA drawings, P&IDs, and isometric diagrams for engineering projects. Drafted Material Take-Offs for procurement and planning.

Engineering Intern at Emze Energy Services Ltd

September 1, 2021 - September 7, 2025

Used FLIR T-Series thermal cameras for early detection of electrical faults. Calibrated gas detectors with CC-Vision software. Produced P&ID designs for firewater distribution systems using AutoCAD.

Software Engineer at Kotab Systems

April 1, 2024 - Present

Manage full IT operations including website maintenance, IT systems, email server, and infrastructure administration; oversee network and security management; lead system upgrades and automate workflows to improve efficiency; apply data analysis to evaluate IT workflows and provide actionable recommendations; blend software engineering with IT strategy to deliver robust digital infrastructure and continuous improvement.

Frontend Developer at Aza

March 1, 2024 - September 7, 2025

Built and maintained cross-platform mobile applications using React Native and TypeScript; implemented Redux state management and integrated RESTful APIs for real-time app performance; collaborated with UI/UX designers to deliver intuitive interfaces; participated in Agile sprints and daily standups to improve team delivery.

Co-Chief Technology Officer at Primeries

March 1, 2024 - September 7, 2025

Developed web platforms using React, Next.js, and TypeScript; improved performance with API caching and optimized frontend infrastructure; collaborated with cross-functional teams to ensure scalable and responsive designs.

Lead Software Developer at PaperWallet NG

October 1, 2023 - September 7, 2025

Supervised developer hiring and managed frontend application development; coordinated frontend and backend teams for seamless product delivery; recommended frameworks and optimized technology stacks for better performance.

Subsea Engineer (Intern) at Chevron Nigeria Ltd

October 1, 2023 - September 7, 2025

Supported subsea engineering team in Acid Stimulation Campaign and ROV operations; assisted in Turnaround Maintenance (TAM) planning and pressure calculations.

Piping & Process Design Engineer (Intern) at Dobel Engineering

September 1, 2022 - September 7, 2025

Designed GA drawings, P&IDs, and isometric diagrams for engineering projects; drafted Material Take-Offs for procurement and planning.

Engineering Intern at Emze Energy Services Ltd

September 1, 2021 - September 7, 2025

Used FLIR T-Series thermal cameras for early detection of electrical faults; calibrated gas detectors with CC-Vision software; produced P&ID designs for firewater distribution systems using AutoCAD.