I'm seeking a Senior Fullstack or AI Engineering role where I can apply my experience with AI integration, React, Node.js, and Python to build innovative, user-focused products. I excel in environments that value both technical excellence and product impact.
Cyprian Aarons
@cyprianaarons
Senior Applied AI Engineer building Python/FastAPI services, API integrations and retrieval-based AI workflows.
What I'm looking for
I build Python backend services, API integrations, and retrieval-based AI workflows. My experience combines hands-on client delivery with engineering leadership, including CTO work at AfricAI (2023–2025) and independent applied AI consulting since 2025.
At CST, my work covered a mobile operations application and FastAPI service integrations connecting reception, deliveries, passes, and device workflows. My portfolio also includes a built support workflow using retrieval and human handoff, and an implementation-ready healthcare recovery design. Each case study states the project’s status and my contribution.
My technical focus includes Python, FastAPI, PostgreSQL, Redis, LangGraph, LangChain, and practical evaluation. I care about how a system behaves when an integration fails, information is missing, or a person needs to take over. I’m looking for a hands-on senior engineering role in applied AI or backend services, based in Harare, Zimbabwe (UTC+2) and open to remote work or relocation.
Selected work: https://cyprian.topiax.xyz/case-studies
Experience
Work history, roles, and key accomplishments
Senior AI Engineer (Independent)
Independent Consultant
Feb 2025 - Present (1 year 8 months)
Built a retrieval-based insurance-enquiry workflow for Zimnat (LangGraph, FastAPI). Designed a healthcare debt-recovery workflow with protected tool services, identity checks, audit records and human handoff. Developed Python/FastAPI services on AWS for a psychometric assessment platform (PSC Zimbabwe).
Chief Technology Officer
AfricAI.xyz
Jan 2023 - Feb 2025 (2 years 1 month)
Technical owner of an AI platform with a three-developer team: set the architecture, release planning and CI/CD while writing production Python. Integrated OpenAI and Stability.ai generation into product workflows and the backend services that served them. Reduced API response times with Redis caching, query optimisation and asynchronous Python refactoring.
Full Stack Engineer
CST Ltd
Dec 2023 - Sep 2024 (9 months)
Built a React Native/Expo operations app and FastAPI services for reception, deliveries, visitor passes and device workflows; integrated HaloPSA, live updates, staff notifications, authentication and health checks. Shipped to production.
Full Stack Engineer
Coindraw.io
Jan 2022 - Sep 2024 (2 years 8 months)
Developed backend functionality for a Web3 competition platform covering payment, draw and prize workflows.
Lead Engineer
Freshideas
Dec 2019 - Dec 2021 (2 years)
Joined as Senior Frontend Developer and progressed to Lead Engineer. Led a cross-functional team delivering eCommerce and SaaS products; owned engineering coordination and releases.
Education
Degrees, certifications, and relevant coursework
Harare Institute of Technology
Bachelor of Technology, Technology
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Website
cyprian.topiax.xyzPortfolio
cyprian.topiax.xyzSalary expectations
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