Joseph L. - Senior Go Backend Developer

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Accra, Ghana

Experience

Sep 2023 - Present

2 years 2 months

Accra, Ghana

Senior Go Backend Developer

MTN Ghana

Architect and maintain scalable microservices using Golang, Docker, and Kubernetes for fintech applications serving 10+ million users daily
Implement comprehensive unit testing strategies achieving 95% code coverage and reducing production bugs by 70%
Design Redis caching solutions improving application performance by 60% and reducing response times from 500ms to 200ms
Configure Linux-based containerized environments in AWS and GCP, maintaining 99.9% uptime
Implement monitoring using Prometheus, Grafana, ELK, and OpenTelemetry, reducing incident response time by 50%
Architect event-driven systems using Apache Kafka processing 100,000+ daily transactions
Lead cross-functional teams improving project delivery timelines by 30% and deployment time by 45%
Conduct code reviews and mentor junior developers, improving team code quality scores by 40%
Ensure security compliance developing applications for isolated infrastructure following fintech standards
Participate in Scrum ceremonies and drive knowledge sharing sessions

Nov 2021 - Sep 2023

1 year 11 months

Accra, Ghana

Go Full Stack Engineer

Solar Taxi Ltd

Led frontend architecture of an EV fleet management platform, scaling to support 20,000+ vehicle interactions daily with big data processing capabilities
Designed and implemented real-time vehicle monitoring dashboards with React and WebSocket integrations, providing analytics for 500+ fleet operators
Created a modular design system standardizing UI across multiple web portals, reducing development time by 40% and improving consistency by 90%
Designed unit testing frameworks achieving 90% test coverage and 60% reduction in production issues
Optimized page performance by 35% through lazy loading, dynamic imports, and refactored state management, improving user engagement by 28%
Developed SQL-based analytics dashboards for fleet performance metrics, processing 1M+ data points daily
Supported backend API development using Node.js and PostgreSQL, handling complex data warehouse queries
Resolved critical production issues with 99.5% SLA maintenance, ensuring minimal downtime for fleet operations

Feb 2020 - Nov 2021

1 year 10 months

Accra, Ghana

Product Engineer & Technical Lead

Ripple Influence

Spearheaded UI/UX implementation for social impact campaigns, integrating rich text editors, collaborative canvases, and dynamic content scheduling tools used by 10,000+ creators
Developed and maintained multiple responsive, accessible interfaces with React, TypeScript, and Redux, achieving WCAG 2.1 AA compliance
Led code reviews and mentored 5 junior developers in frontend best practices and testing strategies, improving team productivity by 45%
Built content publishing workflow tool with autosave, image handling, and AI-assisted copywriting support, reducing content creation time by 50%
Created internal design system increasing UI consistency by 80% and reducing developer onboarding time from 2 weeks to 3 days
Managed cross-team initiatives improving frontend build pipelines and deployment workflows, implementing rapid shipping processes and cutting deployment time by 65%
Implemented comprehensive analytics tracking and SQL-based reporting for campaign performance, processing 5M+ data points monthly
Collaborated with data analysts to optimize platform algorithms, improving influencer-brand matching accuracy by 30%

Nov 2017 - Feb 2020

2 years 4 months

Accra, Ghana

Frontend Developer

Kanero

Built reusable and modular UI components using React.js for multiple internal tools, serving 1,000+ daily active users
Collaborated with accessibility team ensuring all components met WCAG standards, achieving 100% compliance across 50+ components
Contributed to frontend testing and debugging processes maintaining 99.8% product stability through comprehensive test coverage
Participated in agile sprints providing input on UI/UX improvements and feature planning, contributing to 25+ successful product releases
Implemented performance monitoring and analytics tracking, identifying and resolving 15+ critical performance bottlenecks
Developed responsive designs supporting mobile-first approach, increasing mobile user engagement by 40%

Summary

Senior Golang and Python Backend Developer with 5 years specialized Golang experience and 8 years overall software engineering experience in telecom, AI, fintech and digital assets systems.

Expert in building robust, scalable microservices using Kubernetes, Docker, and event-driven architectures serving 10+ million users.