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DavidInnocent/README.md

👋 Hi, I'm Innocent David

🚀 Senior Backend Engineer | Java | Kotlin | Spring Boot | Distributed Systems 📍 Nairobi, Kenya 🇰🇪 | 🌏 Willing to Relocate – Bangkok, Thailand

🧠 About Me

I’m a backend software engineer with 8+ years of experience designing and scaling fintech and payment systems using Java, Kotlin, and Spring Boot. I’m passionate about building reliable, high-performance APIs, optimizing distributed systems, and applying metrics-driven engineering to improve performance and reliability.

💡 Currently exploring how interoperable digital health systems (FHIR, OpenHIE, OpenMRS) can transform healthcare delivery in Africa.

⚙️ Tech Stack

💬 Languages & Frameworks

Java Kotlin Spring Boot TypeScript Python

🧩 Databases & Messaging

PostgreSQL MySQL MongoDB Redis RabbitMQ

🧠 DevOps & Tools

Docker Kubernetes GitLab CI/CD Jenkins Grafana Prometheus Azure GCP

🧩 Notable Projects

  • Open Banking APIs – Designed APIs handling 3K+ RPS with <100 ms latency and 99.9% uptime.
  • Payment Gateways – Integrated M-Pesa B2C/B2B and Cybersource for real-time transactions.
  • Observability Dashboards – Built Grafana + Prometheus stack to monitor SLIs/SLOs and incident response.
  • Microservices Migration – Containerized services with Docker & Kubernetes, improving deployment velocity.

📊 GitHub Stats

🌍 What I’m Currently Doing

  • 🛠 Building fintech microservices at Firefy.africa
  • 🔬 Experimenting with HL7 FHIR APIs and OpenHIE architecture
  • 📈 Learning more about digital health data exchange and reliability engineering

💬 Let’s Connect

📧 davidinnocent@live.com 🔗 LinkedIn 🐙 GitHub

⭐ “Engineering for performance, reliability, and impact.”

Pinned Loading

  1. Agoda-Search-Angular-UX Agoda-Search-Angular-UX Public

    Sample Properties viewer in calendar.

    1

  2. Agoda-Search-UX-Improvement Agoda-Search-UX-Improvement Public

    This project demonstrates a customer-first approach to travel bookings, inspired by Agoda’s platform.

    Java 1

  3. ffmpeg_minio_storage_video_service ffmpeg_minio_storage_video_service Public

    Simple FFMPEG video thumbnail generator with minio as storage with S3 compatibilty.

    Java 1

  4. kafka-with-spring kafka-with-spring Public

    Kafka re-learning sample

    Java

  5. lendsqr lendsqr Public

    Knex ORM+Typescript+Mysql wallet sample

    TypeScript 1