I'm a Software Engineer from πΈπ± Freetown, Sierra Leone, focused on engineering systems that are reliable, resilient, and built to scale. I specialize in backend architecture, cloud infrastructure, and securing distributed systems β from designing APIs to shipping containerized workloads to production.
- π Currently working on CoursePaddy as Lead Backend Engineer & DevOps β previously shipped KeneCare (telemedicine platform)
- π©οΈ Hands-on experience deploying systems to AWS / cloud platforms with CI/CD pipelines
- π Passionate about system security β auth workflows, secure data sharing, least-privilege infra
- ποΈ I think in systems: queues, caches, health checks, failover, and observability
- π‘ Motto: Imagination is everything β but execution is what ships
- πΌ Open to work β actively seeking Backend or DevOps Engineer roles (remote-friendly)
π CoursePaddy β E-Learning Platform
Role: Lead Backend Engineer & DevOps Β· π’ Active
A full-featured course platform where students take courses and earn certificates, instructors design and publish content, and admins audit and approve courses.
- Architected the backend API from the ground up β course lifecycle, enrollments, certification engine
- Designed the admin audit system for course approval/rejection workflows
- Integrated payment processing for course purchases and instructor payouts
- Built real-time communication and notifications β live updates and alerts
- Set up observability and monitoring with New Relic β performance tracking, error tracing, and alerting
- Handled cloud deployment, CI/CD pipelines, and server infrastructure
NodeJs PostgreSQL Docker WebSockets New Relic Payments REST API
π₯ KeneCare β Telemedicine Platform
Role: Backend Developer (Team of 5) Β· π΅ Completed
A telemedicine system enabling patients to book appointments, doctors to prescribe and follow up, medical history storage, and secure document sharing between patients and providers.
- Built core appointment scheduling and booking APIs
- Implemented secure medical document sharing with access controls
- Developed the patient medical history data model and retrieval system
- Integrated payment processing for appointment billing and consultations
- Added Redis caching to improve response times on high-frequency data queries
- Set up observability and monitoring with New Relic β distributed tracing and system health dashboards
- Integrated prescription and follow-up workflows between doctors and patients
NodeJs MySQL Redis JWT Auth New Relic Payments Secure File Sharing REST API
Backend
Databases
DevOps & Cloud
Security & Messaging
cloud-native-starterβ A production-ready microservices boilerplate (Spring Boot + Docker + K8s + CI/CD + Monitoring) that engineers can clone and ship β not just learn from.
Stay tuned π
I'm actively looking for my next opportunity as a Backend Engineer or DevOps Engineer β remote or hybrid.
If you're building something ambitious and need someone who can architect backend systems, own cloud infrastructure, and ship production-grade software, let's talk.
What I bring to the table:
- β Proven experience shipping real products used by real users
- β End-to-end ownership β from API design to cloud deployment
- β Strong grasp of system security, distributed patterns, and observability
- β Collaborative team player who has worked in cross-functional teams
| π Portfolio | your-portfolio-url.com |
| π Resume | View / Download |
| πΌ LinkedIn | linkedin.com/in/mevizcode |
| π§ Email | davidsamcole69@gmail.com |
| π GitHub | github.com/mevizcode |
I typically respond within 24 hours. Don't hesitate to reach out β whether it's a job opportunity, a collaboration, or just a conversation about systems.
"Build systems that outlive the moment they were written for."
β If something here helped you, consider starring a repo!



