Hi, I'm Ryan

Software Engineer passionate about solving problems and crafting systems.

Currently diving deep into DevOps, Kubernetes, and distributed systems.

Available for freelance or full-time roles. Contact me via the links below.

Experience

HNG TechSoftware Engineer

Feb 2026 - May 2026
  • ●Engineered a zero-knowledge encrypted messaging platform implementing RSA-OAEP/AES-GCM client-side encryption for secure communication.
  • ●Built secure backend systems integrating OAuth 2.0, RBAC, API versioning, and rate limiting.
  • ●Developed an AI-powered Chrome Extension for content summarization.

NCBA GroupSystem Application Developer

Jul 2025 - Dec 2025
  • ●Developed CoreXchange, a dynamic, provider-agnostic integration platform that serves as a single middleware gateway for connecting core banking infrastructure with external mobile money and financial networks.
  • ●Eliminated vendor-specific code bottlenecks by designing a scalable, plug-and-play architecture that utilizes pipe-delimited data mapping and unified TCP socket communication, allowing the bank to seamlessly onboard any external provider without rebuilding integration.
  • ●Developed middleware services that improved reliability of communication between financial systems.

Things I've Built

Skills

Programming Languages

Node.jsJavaTypeScriptJavaScript

Backend & Cloud Infrastructure

RESTful Web ServicesSpring BootNestJSRabbitMQDockerKubernetesMicroservices

Databases

PostgreSQLSQLMSSQL ServerMySQLMongoDBData Modeling

Frontend & Frameworks

ReactNext.jsTailwind CSSReact Native

Sharing What I Learn

© 2026 Ryan Malawa.