Simbarashe Nyagweta

Building robust,
production-grade
Python systems.

Senior Python Software Engineer delivering production-grade backend systems. Specializing in scalable Django architectures, applied AI integration, and infrastructure that supports real user growth and revenue.

Simbarashe Nyagweta - Senior Developer

Technical Strengths

Core capabilities focused on delivering production-ready, scalable software.

Backend Engineering

Building resilient Python/Django systems with clean RESTful APIs, asynchronous task queues (Celery), and robust security practices (OAuth, RLS).

AI & Data Solutions

Integrating LLMs and ML models into production workflows. Experience with RAG pipelines, data analysis automation, and vectorized search.

Infrastructure & Delivery

End-to-end deployment ownership using Docker, CI/CD pipelines (GitHub Actions), and AWS cloud services. Focus on monitoring and reliability.

Selected Case Studies

Deep dives into complex systems I've architected and delivered.

Caregraphy
Lead Developer & System Architect
DjangoPostgreSQLDockerAWSSentiment Analysis

Caregraphy

Multi-tenant care management system for compliant case recording.

The Challenge

Care organizations needed a secure, GDPR-compliant system to manage sensitive data for young people, requiring strict multi-tenancy and audit trails.

Technical Approach

Architected a Django backend with strict Row-Level Security (RLS) for data isolation. Integrated AI-driven sentiment analysis for risk detection and deployed on AWS with Docker for scalability.

Impact

Successfully commercialized with over £30k in revenue. Adopted by multiple organizations to ensure regulatory compliance and improve care outcomes.

UKNavigator
Full Stack Engineer
DjangoReactElasticsearchPostgreSQL

UKNavigator

Comprehensive digital directory and navigation platform for UK services.

The Challenge

Aggregating and categorizing vast amounts of service data into a user-friendly, searchable interface with minimal latency.

Technical Approach

Implemented efficient search indexing using Elasticsearch integration with Django. Designed a responsive frontend for seamless accessible navigation across devices.

Impact

Streamlined access to essential UK services, improving user discovery and engagement rates.

Kurira
Senior Backend Engineer
PythonVoIPPayment GatewaysCeleryRedis

Kurira

Fintech VoIP and remittance platform for the Zimbabwean diaspora.

The Challenge

Users needed a reliable, low-latency way to make international calls and purchase essential utilities (electricity/airtime) for family abroad.

Technical Approach

Built a high-performance VoIP integration and a secure payment gateway. Implemented transactional integrity patterns to ensure reliable credit dispatch and top-up mechanisms.

Impact

Stabilized critical remittance flows for thousands of users. Enabled seamless cross-border utility payments, keeping families connected.

Zimuntu
Lead Developer
DjangoReal-time WebSocketsRedisCloud Deployment

Zimuntu

Community-focused digital platform fostering connection and resource sharing.

The Challenge

Building a scalable community platform that handles dynamic content, user interactions, and real-time updates efficiently.

Technical Approach

Leveraged Django Channels for real-time features and a modular architecture to support growing community modules. Optimized database queries for feed generation.

Impact

Created a robust digital space for community engagement, supporting consistent user growth and interaction.

Competitive Engineering

Pushing boundaries with AI and emerging technologies. Participated in multiple hackathons under LabLab.ai.

2025IBM Granite Hackathon

Maxima Hub

A platform that evaluates business ideas using AI, assessing feasibility, market demand, risks, human capital, timelines, and required investment.

2024Doge AI Hackathon (xAI / Grok)

Lincoln

A tool that simplifies global visa research using intelligent search and summarisation of official government sources.

2024Lokahi Innovation in Healthcare

Remote Care

An AI-assisted note-analysis system for identifying mental health and safety concerns among elderly patients in Hawaii.

Why I Lead Technical Teams.

I don't just write code; I own the lifecycle. From architectures that scale to deployment monitoring that ensures reliability, I build systems for the real world.

My strength lies in translating complex domain requirements from stakeholders into clean, maintainable software architectures that drive revenue and user satisfaction.

Innovation

Pioneering AI integration in niche care sectors to solve real regulatory challenges.

Mentorship

Leading code reviews and establishing clean architecture standards for agile teams.

System Design

Trusted with blank-canvas architectural decisions for revenue-generating products.

Get In Touch

I'm currently looking for new opportunities. Whether you have a question or just want to say hi, I'll try my best to get back to you!