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Full-Stack Engineer & ML Specialist  ·  Nairobi, Kenya

Systems
that scale.
Products that ship.

Hi there. I'm Jackson, a software engineer focused on building production-grade SaaS platforms, distributed systems, and ML-integrated applications across geospatial, education, fintechs, and business management sectors.

View my work Download CV ↗
Career snapshot
15+
Production projects delivered
4+
Years in production
5+
Locations on SaaS
Who I am

Full-Stack Engineer.
ML Specialist.
Systems thinker.

Full-Stack Engineer based in Nairobi, Kenya with 4+ years building production-grade applications that deliver measurable impact across geospatial, education, travel, and SaaS industries.

Expert in JavaScript/TypeScript, Python/Django, and Go with a strong focus on scalable multi-tenant architecture. Launched two multi-tenant SaaS platforms currently operating across 5+ locations with 99.9% uptime.

Comfortable at every layer — from database indexing and Redis caching to Kubernetes autoscaling, GitOps workflows, and ML models (TensorFlow, scikit-learn, PyTorch) shipped into production.

Technical stack
LanguagesJS/TS · Python · Go · SQL
FrontendReact · Next.js · Vue · Tailwind
BackendDjango · FastAPI · Node · Express
DatabasesPostgreSQL · MongoDB · Redis
DevOps & CloudDocker · K8s · Terraform · AWS
Machine LearningTensorFlow · PyTorch · sklearn
GeospatialPostGIS · Mapbox · Leaflet
ObservabilityPrometheus · Grafana · Datadog
Selected projects

What I've shipped.

Multi-Tenant SaaS
ByteReach
Full marketing SaaS platform for Kenyan SMBs — schema-per-tenant PostgreSQL isolation, M-PESA subscription billing, Africa's Talking SMS & USSD integration, and a complete analytics dashboard. Architected across 14 backend epics from zero to production.
Django 5.2 django-tenants React / TypeScript PostgreSQL Celery + Redis M-PESA Daraja Africa's Talking
↗
Featured Project
E-Commerce
OneTech Computers KE
Full-featured e-commerce for a Kenyan computer retailer. Resolved a production-only 404 bug traced to a CloudLinux path resolution edge case on cPanel. Custom seeding engine with full test suites.
DjangoReact PostgreSQLCloudLinux
↗
Print-on-Demand
ByteWear
Design platform with a Fabric.js canvas editor — layered rendering, community design loading, CORS-compliant asset serving. Debugging the canvas-to-order pipeline was a journey in itself.
React / TSFabric.js ViteCanvas API
↗
SaaS Platform
School Management Platform
Multi-tenant SaaS serving 5+ institutions with 1,000+ daily users. RBAC, inventory, CRM, accounting, HR modules. 99.9% uptime with sub-200ms API response times.
DjangoPostgreSQL RedisKubernetesAWS
↗
Distributed Systems
High-Perf E-Commerce Engine
Order processing system handling 10K+ orders/minute at 99.99% accuracy. Distributed transactions using Saga pattern. Built in Go for maximum throughput.
GoPostgreSQL RedisKubernetes
↗
Document Generation
Invoice & Quotes Platform
White-label document generation SaaS. Dynamic PDF generation with custom branding, multi-currency support. Sub-2-second generation with 99.95% reliability.
Next.jsFastAPI PostgreSQLAWS S3
↗
ML / Geospatial
Trato
Location-intelligence platform combining PostGIS spatial queries with ML-based demand forecasting. Real-time mapping and predictive analytics for logistics and trade route optimisation.
PythonPostGIS MapboxTensorFlowFastAPI
↗
ML / AI
Predictive Analytics Engine
ML engine for demand forecasting, anomaly detection, and automated decision-making integrated into production SaaS workloads. 45% operational efficiency gain.
TensorFlowscikit-learn FastAPIPostgreSQL
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More on
GitHub ↗
Where I've worked

Experience.

Mar 2021
— Present
Aptech Kenya
Senior Full-Stack Developer & ML Engineer
  • Architected and delivered 15+ production applications across education, geospatial, travel, and business sectors serving 2,000+ daily active users.
  • Optimised database performance achieving 80% reduction in query execution times via advanced indexing, connection pooling, and read replicas.
  • Implemented Redis-based distributed caching reducing database load by 70% and improving response times by 50%.
  • Built auto-scaling infrastructure using Kubernetes HPA and VPA, handling traffic spikes up to 10× normal load.
  • Established GitOps workflows with ArgoCD and Terraform achieving zero-downtime deployments, reducing deployment time by 85%.
  • Mentored 4 developers in full-stack development, Go best practices, and system design.
Aug 2020
— Dec 2020
NSSF Kenya
Software Developer — Intern
  • Built automated reporting systems saving 20+ hours of manual work weekly.
  • Developed data validation procedures ensuring 99.9% data accuracy across financial records.
  • Implemented SSL/TLS, firewall configuration, and security audit procedures.
  • Automated deployment scripts reducing manual infrastructure operations by 70%.
Certifications
  • AWS Certified Developer AssociateAmazon Web Services · 2023
  • TensorFlow Developer CertificateGoogle · 2023
  • Machine Learning SpecializationCoursera / Stanford · 2022
  • Python Advanced LevelHackerRank · 2022
  • SQL Expert LevelHackerRank · 2022
Education
  • BSc. Information TechnologyKabarak University · 2018–2021
  • Final Year Project: Distributed Systems with Predictive Maintenance — highest distinction for fault-tolerant microservices with ML-based anomaly detection.
Community
  • Space Ya Tech FoundationActive member · Lead coding workshops & mentorship
Let's work together

Interested in collaborating or hiring?

Whether you're scaling a SaaS platform, need distributed systems expertise, or want ML integrated into your product — I'm open to the right conversation. I respond within 24 hours.

Emailjackwise179@gmail.com Phone+254 798 969 800 LinkedInlinkedin.com/in/jacksonwesanza ↗ GitHubgithub.com/wesanza ↗

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