Bernard Oosthuizen
Stellenbosch
Summary
I'm an AI software engineer who transforms complex business challenges into scalable, impact-driven solutions. With a proven track record spanning startup and enterprise environments, I excel at bridging technical innovation with real-world business outcomes.
I've lead technical teams across startup and enterprise environments, My unique strength combines deep technical expertise with product thinking: understanding customer problems first, then delivering scalable solutions that create lasting business value. With proven success across diverse industries (retail, mining, financial services), I excel in cross-functional environments where technical strategy meets business outcomes.
Overview
4
4
years of professional experience
Work History
AI Engineer
Tradestack
04.2025 - Current
- Contributed to a background email agent using Langgraph, Langchain and PydanticAI.
- Built end-to-end custom LLM chat application using Vercel AI. Designed the toolkits (Xero, Quickbooks), evals and iterated to improve the agent design.
- Led R&D initiatives in toolkit design, MCP, reinforcement learning and durable execution.
Solutions Engineer
Gatekeeper Technology
06.2024 - 07.2025
- Led development of cross-platform apps for enterprises.
- Managed end-to-end client delivery: scoping, development, deployment, and support.
- Designed scalable data models and business workflows across diverse industries (retail, mining, field services, financial services).
- Led the adoption of AI tools and custom tech stacks to boost team productivity.
- Mentored junior developers.
- Served as account manager for a key enterprise client, driving project management and growing account revenue.
Software Engineer
Finovate
09.2021 - 06.2024
- Architected and deployed a custom pricing system, rebuilding a pricing engine to dynamically calculate proposals and simulate updates across 400+ accounts, reducing manual effort by over 100 hours, using Python, Supabase, Weweb and Power BI.
- Led the resource management system overhaul, replacing an error-prone Excel system with an automated app, saving 20+ hours monthly, achieving adoption across 40 users through stakeholder collaboration and change management.
- Developed a web scraping bot with Python, to sync data from a third-party pricing app, eliminating 50+ hours of manual work and enabling daily operational insights.
Education
BEng - Electrical And Electronic Engineering(Informatics)
Stellenbosch University
Stellenbosch12-2021
Skills
- Python
- Django, Flask
- Langchain, PydanticAI
- Nodejs, Typescript
- Reactjs, Nextjs
- SQL, PostgreSQL
- Effective Communication
- Critical Thinking
- Product Mindset
LANGUAGES
English (Fluent)
Afrikaans (Fluent)
Timeline
AI Engineer
Tradestack
04.2025 - Current
Solutions Engineer
Gatekeeper Technology
06.2024 - 07.2025
Software Engineer
Finovate
09.2021 - 06.2024
BEng - Electrical And Electronic Engineering(Informatics)
Stellenbosch University
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