← Back
Markian Mumba
Fullstack Developer · Backend Engineer · Nairobi, Kenya
mumbamarkian@gmail.com ·
+254 798 169 252 ·
GitHub ·
LinkedIn ·
markian.fit
Experience
Fullstack Engineer — Cloud IT (August 2025 – Present)
- Designed and deployed backend services and REST APIs with Java (Spring Boot) for scalable e-commerce and MIS platforms.
- Implemented CI/CD pipelines via GitLab CI/CD, automating deployments to GCP and Azure.
- Containerised distributed microservices with Docker.
- Integrated Angular frontends via versioned APIs.
- Authored technical docs with Docusaurus, improving team onboarding.
Backend Engineer Intern — Kyosk (January 2025 – April 2025)
- Developed microservices for payment processing and transaction workflows with Spring Boot.
- Maintained over 80% test coverage with JUnit and Mockito.
- Wrote Technical Requirements Documents for payment integrations.
- Participated in code reviews and system design discussions.
Freelance Developer (2023)
- Built web applications for independent clients — e-commerce, corporate sites.
Projects
Spring Boot · Next.js · PostgreSQL · gRPC · OAuth2
- Machinery rental marketplace across four independently deployable microservices.
- gRPC inter-service communication with Eureka service discovery and load balancing.
- Dedicated OAuth2/OIDC authorisation server with RBAC.
- Shared infrastructure module for auth, error handling, service comms.
Spring Boot · Next.js · M-Pesa · PostgreSQL
- Barbershop management system for Kenyan shops.
- REST APIs for transactions, commissions, loyalty, role-based dashboards.
- M-Pesa STK Push with automated reconciliation and receipt generation.
Spring Boot · Next.js · MTN MoMo · Docker
- Smart waste management platform — real-time APIs for scheduling, billing, collections.
- MTN MoMo integration for automated billing and transaction verification.
- Containerised, deployed to VPS with CI/CD.
Education
Bachelor of Computer Science — Riara University (Graduated 2025)
Web Development Certificate — Moringa School (2020)
Skills
Languages: Java, TypeScript, JavaScript, Python
Frameworks: Spring Boot, Next.js, React, Tailwind CSS
Databases: PostgreSQL, MongoDB
Tools: Docker, Git, GitLab CI/CD, Azure, GCP, Nginx, Linux
Concepts: REST APIs, Microservices, CI/CD, System Design, Security, gRPC, OAuth2/OIDC, DDD, Event-Driven Architecture, Testing (JUnit, Mockito)
← Back · mumbamarkian@gmail.com