Joseph Maina

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Featured Projects

Creative Industry B to B Platform - Image 1
Fintech / Enterprise Platform

Creative Industry B to B Platform

Led the backend architecture for CANEX, a large-scale creative industry marketplace. Designed and implemented distributed microservices handling user ...

Key Highlights

  • Architected scalable microservices architecture
  • Implemented AI recommendation engine
  • Integrated payment processing systems
  • Redis-based caching for performance optimization
  • Kafka-driven asynchronous workflows
  • Production monitoring with Prometheus and Grafana

Technologies

JavaSpring BootMicroservicesPostgreSQLRedisKafka+5

Impact

50K+ active users, AI-driven personalization, production-grade fintech infrastructure

African Trade Gateway Platform - Image 1
B2B / Fintech

African Trade Gateway Platform

Developed and maintained backend services for the IATF platform, enabling secure B2B interactions across multiple African markets. Implemented event-d...

Key Highlights

  • PCI DSS and GDPR compliance implementation
  • Event-driven architecture using Kafka
  • Redis-based caching for performance and scalability
  • Kubernetes-based production deployments
  • End-to-end monitoring using Grafana

Technologies

JavaSpring BootPostgreSQLKeycloakKafkaRedis+4

Impact

Securely enabled cross-border trade and investment across Africa

Education

In Progress

MSc in Electrical and Computer Engineering

Carnegie Mellon University Africa
Aug 2025 - May 2027
Focus: Advanced AI, Cloud Computing, Security, and Architecture

Advanced studies in AI systems, cloud-native architectures, distributed systems, and security engineering.

Completed

Bachelor of Science in Mechatronic Engineering

Dedan Kimathi University of Technology
May 2018 - Apr 2023
Second Class Honors, Upper Division

Specialized in industrial automation, IoT systems, embedded systems, and data-driven engineering solutions.

Certifications

Spring Boot 3 & Spring Hibernate

2024
Professional Certification

Advanced Java backend development with the Spring ecosystem

Mastering Microservices

2024
Professional Certification

Microservices architecture using Java, Spring Boot, Docker, Kubernetes, Helm, and security best practices

Building AI-based Recommendation Algorithms

2024
Professional Certification

Design and implementation of personalization engines at scale

Deep Learning Specialization

2021
NVIDIA Deep Learning Institute

Computer vision and deep learning on Jetson Nano, real-time object detection

✓NVIDIA Certified Instructor

Siemens Mechatronic System Associate

2021
Siemens

Industrial automation systems (Levels 1 & 2)

Technical Skills

Backend Languages & Frameworks

JavaSpring BootNode.jsPython

Distributed Systems & Messaging

KafkaEvent-Driven ArchitectureRedisCaching Strategies

Cloud, DevOps & Observability

DockerKubernetesCI/CDAWSAzurePrometheusGrafana

Databases & Data Engineering

PostgreSQLMongoDBData ModelingETL Pipelines

AI & Machine Learning

Machine LearningDeep LearningComputer VisionRAGAI Recommendation SystemsPyTorch

Fintech & Payments

Safaricom M-Pesa APIsPayment IntegrationsTransaction ProcessingPCI DSS Compliance

IoT & Systems Integration

IoT Device CommunicationLocation TrackingRemote Device ControlTamper Detection

Engineering Practices & Leadership

System DesignTechnical DocumentationAgile MethodologiesTeam Leadership

Get in Touch

Let's Connect

I'm always open to discussing new opportunities, collaborations, or just having a chat about technology and innovation.