Elmus W.

Systems & Software Engineer

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Portfolio

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Elmus Wangudi here. I engineer production-ready backend systems, develop clean web applications, and build automation tools that bridge digital systems with physical infrastructure.

About

I am a Systems Engineer and Software Developer with a background in Telecommunications and Information Engineering. I specialize in backend development with Python and FastAPI, full-stack applications using Next.js, and data-focused solutions built on PostgreSQL.

I build systems that are reliable, efficient, and grounded in real engineering principles. This includes everything from software and automation to hands-on work with networking, solar power systems, and security infrastructure.

In 2022, I co-founded Invata Engineering. Here we deliver sustainable power systems alongside modern software solutions. My approach always prioritizes scalability, integration, performance, and durability.

Outside of work, I enjoy reading, exploring networks, watching tech documentaries, and working in the Linux terminal.

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Years Experience
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Projects Built
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Technologies
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Skills & Technologies

The tools and technologies I use to build scalable systems.

Languages

PythonJavaScriptTypeScriptBashSQL

Backend

FastAPIFlaskNode.jsRESTWebSockets

Frontend

Next.jsReactTailwind CSSFramer Motion

Databases

PostgreSQLRedisSQLiteMongoDB

DevOps & Tools

DockerLinuxNginxPrometheusGit

Cloud & Infra

KubernetesRenderDigitalOceanKafkaCI/CD

Systems & Networks

TCP/IPRoutingFirewallsSCADAIoT Protocols

Shell & Automation

Bash ScriptingCronSystemdMakefiles

What I Build

Backend Systems & APIs

Production-grade backend services using Python, FastAPI, and PostgreSQL, designed for reliability, scalability, and long-term maintainability.

Full-Stack Web Applications

Modern web applications built with Next.js and Tailwind, focusing on clean architecture, performance, and developer-friendly codebases.

Automation & Data Pipelines

Automation tools for analytics, reporting, monitoring, and data processing pipelines that turn raw data into structured insights.

Systems Integration

Software that integrates with physical and operational systems including solar infrastructure, security systems, and enterprise networks.

Infrastructure & Reliability

Efficient Linux-based infrastructure using Docker and observability tooling to ensure uptime, performance, and operational clarity.

Security & Performance

Secure, performant digital systems with attention to access control, data protection, and long-term operational resilience.

Projects

Journey through development and tools built for scale & maintained for longevity.

7 projects • 3 years
Fashion Image Scraper: Large-Scale Dataset Collection
2023

Fashion Image Scraper: Large-Scale Dataset Collection

Python-based web scraper that collected over 50,000 high-quality product images from premium fashion retailers for computer vision applications.

PythonBeautifulSoupSeleniumGeckoDriver (Firefox)requests+3
Project details
AutiCare: Real-Time Stress Monitoring for Children with ASD
2024

AutiCare: Real-Time Stress Monitoring for Children with ASD

Comprehensive full-stack system using wearable sensors, WebSockets, and machine learning to monitor and predict stress levels in children with Autism Spectrum Disorder.

Next.jsReactTailwind CSSFastAPISQLAlchemy+6
Project details
Gymas Agencies Limited: Corporate Website
2024

Gymas Agencies Limited: Corporate Website

Professional informational website showcasing marine chemicals, water treatment solutions, and industrial supplies for a Mombasa-based agency.

Next.jsTailwind CSSResponsive Design
Project details
NaraSystems: Multi-Tenant SaaS Invoicing Platform (In Development)
2025

NaraSystems: Multi-Tenant SaaS Invoicing Platform (In Development)

Enterprise-grade multi-tenant SaaS platform for professional invoicing, quotations, document management, and AI-assisted reporting with full tenant isolation and branding.

Next.jsTailwind CSSFastAPIPostgreSQLSQLAlchemy+6
Project details
Courier Verification System (CVS)
2025

Courier Verification System (CVS)

Self-hosted full-stack verification system for courier outlets to import, manage, and bulk-verify pickup codes using customer name and phone last-4 digits, with full Chinese/English UI support.

Next.jsJavaScriptTailwind CSSFastAPIPostgreSQL+4
Project details
Best Overall Code
EFH Innovation Sprint: Multimodal RAG System
2025

EFH Innovation Sprint: Multimodal RAG System

Team-built Retrieval-Augmented Generation system for accessing scientific evidence on climate, biodiversity, food systems, and public health during the EFH Hackathon.

PythonLangChainTogether AIunstructuredLlama-3-Vision+3
Project details
Showing 6 of 6 featured projects

Experience

A connected journey across infrastructure, networks, and systems.

Systems Engineer & Software Developer

Invata EngineeringNairobi, Kenya2023 - Present
  • Built backend systems with Python/FastAPI and PostgreSQL
  • Developed full-stack dashboards using Next.js/TailwindCSS
  • Designed automation pipelines for reporting and monitoring
  • Designed and Installed 30+ Power Backup Systems
  • Led database architecture, optimization, and deployments

Network Engineer Intern

Texlar SolutionsNairobi, KenyaJune-September, 2023
  • Configured enterprise routers, switches, and firewalls
  • Resolved LAN/WAN connectivity issues
  • Implemented monitoring on Linux-based systems
  • Improved uptime through proactive maintenance

Systems & Network Engineering Intern

LITES (CPF Subsidiary Co.)Langa'ta (FH), Nairobi, KenyaJune-September, 2023
  • Integrated servers into Prometheus + Grafana
  • Automated log parsing and alerting with Python
  • Assisted in server administration and troubleshooting
  • Documented configurations and SOPs

Electrical Engineering Intern

Kenya PowerParklands (Stima Plaza), Nairobi, KenyaMay-July, 2022
  • Installed structured cabling and IP telephony systems
  • Performed fiber splicing, testing, and termination
  • Worked with SCADA systems for grid monitoring
  • Supported electrical and network infrastructure

Let's Work Together

I'm always open to discussing new projects, ideas, or opportunities to be part of your vision.