Joseph Lamptey-Senior Go Backend Developer
Check rate
Experience
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
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
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%
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%
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Telecommunication, Automotive, Energy, and Advertising.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Business Intelligence, and Project Management.
Summary
Senior Golang Backend Developer with 5 years specialized Golang experience and 8 years overall software engineering experience in telecom, fintech and digital assets systems.
Expert in building robust, scalable microservices using Kubernetes, Docker, and event-driven architectures serving 10+ million users.
Skills
- Backend: Node.Js, Express.Js, Go, Graphql (Apollo), Rest, Mongodb, Postgresql, Sql Queries, Black, Redis
- Frontend: Next.Js, Typescript, Javascript (Es6+), Radix Ui, Tailwind Css, Html5, Css Modules, Styled Components, Ant Design, Eslint
- Testing: Jest, React Testing Library, Playwright, Automated Testing Pipelines
- Infrastructure: Aws, Docker, Kubernetes, Github Actions, Ci/Cd
- Ai Integration: Ai-Assisted Workflows, Prompt Engineering, Openai Api, Gemini Ai Api, Machine Learning
Languages
Education
University of Ghana
MSc Data Science · Data Science · Accra, Ghana
University of Cape Coast
BSc Psychology · Psychology · Cape Coast, Ghana
Certifications & licenses
All In Open Source Contributor
Kubernetes And Cloud Native Essentials
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Joseph is based in Accra, Ghana and can operate in on-site, hybrid, and remote work models.
Joseph speaks the following languages: English (Native), German (Elementary).
Joseph has at least 9 years of experience. During this time, Joseph has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 2 months. Note that Joseph may not have shared all experience and actually has more experience.
Based on recent experience, Joseph would be well-suited for roles such as: Senior Go Backend Developer, Go Full Stack Engineer, Product Engineer & Technical Lead.
Joseph's most recent position is Senior Go Backend Developer at MTN Ghana.
In recent years, Joseph has worked for MTN Ghana, Solar Taxi Ltd, and Ripple Influence.
Joseph is most experienced in industries like Information Technology, Telecommunication, and Automotive. Joseph also has some experience in Energy and Advertising.
Joseph is most experienced in business areas like Information Technology, Product Development, and Business Intelligence. Joseph also has some experience in Project Management.
Joseph has recently worked in industries like Telecommunication, Automotive, and Energy.
Joseph has recently worked in business areas like Information Technology, Business Intelligence, and Project Management.
Joseph holds a Master in Data Science from University of Ghana and a Bachelor in Psychology from University of Cape Coast.
Joseph has 2 certificates. These include: All In Open Source Contributor and Kubernetes And Cloud Native Essentials.
The availability of Joseph needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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