Justice Nefe

Engineering Manager | Senior Backend & Infrastructure Engineer

Nairobi, KE.

About

Engineering Manager currently based in Kilimani, Nairobi County, Kenya with extensive experience in backend development, distributed systems, Golang, Kubernetes, product delivery leadership, and infrastructure engineering across global startups and fintech companies.

Work

Blindspot Technologies

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Head of Product Delivery & Golang Engineer

Prague, Prague, Czechia

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Summary

Led product delivery operations and backend development using Golang in a cybersecurity-focused startup, ensuring infrastructure robustness and feature delivery.

Highlights

Led cross-functional product delivery efforts

Developed and maintained backend services and infrastructure with Golang

Chimoney

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Tech Lead & Senior Backend/Infrastructure Engineer

Toronto, Canada

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Summary

Led backend development and cloud infrastructure at a global payment API and payout platform.

Highlights

Designed and built multi-currency wallet systems, card issuing infrastructure, and payout orchestration APIs.

Managed cloud infrastructure on Google Cloud Platform (GCP) and AWS using Kubernetes, Docker, and Terraform.

Led a cross-functional engineering team, establishing CI/CD pipelines, system monitoring (Prometheus/Grafana), and testing standards.

Optimized high-throughput database operations and API response latencies, supporting global financial transactions.

Sendchamp

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Senior Software Engineer & Tech Lead

Lagos, Nigeria

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Summary

Engineered scalable communications infrastructure enabling businesses to send SMS, WhatsApp, Email, and Voice messages.

Highlights

Built and scaled the core messaging API gateway handling millions of notifications daily using Golang and PHP.

Architected robust queue systems using RabbitMQ and Redis to handle asynchronous message processing and retry mechanisms.

Integrated with multiple international and local telecommunication providers to ensure 99.9% uptime and low latency delivery.

Patricia Technologies

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Backend Engineer

Lagos, Nigeria

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Summary

Developed payment solutions and cryptocurrency wallet systems for one of Africa's largest digital asset platforms.

Highlights

Designed and implemented secure, high-performance cryptocurrency transaction processing systems and multi-signature wallet integrations.

Optimized backend Go microservices and PHP legacy systems to handle high spikes in user traffic during market peaks.

Collaborated with product and security teams to implement robust fraud-detection systems and KYC compliance flows.

Appzone Group

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Software Engineer

Lagos, Nigeria

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Summary

Built banking software and payment infrastructure modules.

Highlights

Developed core banking application modules and digital banking APIs using C# .NET and Golang.

Integrated payment gateways and commercial bank web services, improving transfer success rates.

GigaLayer

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Junior Software Engineer

Lagos, Nigeria

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Summary

Developed web applications and web hosting billing automation modules.

Highlights

Maintained and upgraded domain registration and hosting billing automation services using PHP and JavaScript.

Worked on frontend interfaces and integrated local payment processing APIs.

Education

ProductDive

London, England, United Kingdom of Great Britain and Northern Ireland
Coursework Management

Udacity

Mountain View, California, United States of America
Coursework Design

Udemy Academy

New York, New York, United States of America
Coursework

University of Lagos

Lagos, Lagos, Nigeria
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Bachelor’s Degree Mathematics

Skills

Golang

backend development, distributed systems.

Kubernetes

infrastructure, orchestration.

Distributed Systems

microservices, scalability.

Product Delivery

cross-functional leadership, project management.

Web Development

HTML, CSS, JavaScript.

Cloud Platforms

Google Cloud Platform, DevOps.