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Full-time
Posted 62d ago
~40 hrs/week
Responsibilities
The engineer will build and deploy LLM-powered autonomous testing agents and manage the full stack from commit to production. They will collaborate with founders to shape the product roadmap and turn prototypes into production-ready features.
Requirements
Candidates should have a strong background in full-stack development and fluency with AI/LLM tools like LangChain and vector stores. A mindset of high ownership and experience shipping products in fast-paced startup environments is essential.
Full job description
What You’ll Do
Ship fast, learn faster : We deploy daily, not monthly
Talk to users, shape the roadmap : Sit in the trenches with founders on calls that define what we build
Train AI agents: Design LLM-powered testers that explore, learn, and adapt in real time
Own the stack :Python, TypeScript, cloud infra, from commit to production
Turn prototypes into production : Run real experiments on models, embeddings, and retrieval pipelines
What We’re Looking For
Relentless drive: You execute fast, adapt faster
Startup scar tissue : You’ve shipped product with no safety net
Fluency with AI/LLMs : LangChain, vector stores, prompt engineering
Full-stack firepower : Frontend, backend, infra, no silos
Product obsession : You care more about outcomes than outputs
Experimental instinct: You build → test → learn → repeat
Ideal Background
There’s no perfect pedigree. We hire for mindset, not credentials. That said, you might have:
Shipped AI features in prod
Built something from 0 to 1
Thrived in chaos with high ownership
Why This Matters
Software is accelerating. QA hasn’t kept up. Autonomous testing is inevitable, and we’re building it.
Five years from now, every high-velocity team will rely on AI agents like ours to ship faster, safer, and smarter.
Join now, and help make that future real, before someone else does.
Duku continuously simulates your users so you can trust every release. Before it ships.
Industry
Technology, Information and Internet
Company size
11-50 employees
Founded
2025
Headquarters
London, England
LinkedIn followers
2,542
Total funding
$163K
As AI commoditises code generation, the bottleneck moves from writing software to trusting it. Verification is the layer that determines whether AI-generated code ships to production or stalls in review.
Code-level tests rot every time the implementation changes.
Product-level verification does not care how the code was written, only whether the product still does what users came to do.
Duku continuously simulates your users so you can trust every release, before it ships.
Offices: 15-19 Bloomsbury Way, London, England WC1A 2TH, GB
How many Technology jobs are open in Johannesburg, South Africa right now?
There are currently 413 open technology positions in Johannesburg, South Africa listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Technology roles in Johannesburg, South Africa?
Companies currently hiring include Nedbank Private Wealth South Africa, NTT DATA, Inc., Optimal Growth Technologies, FirstRand Bank India, Osiris Trading, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Technology jobs in Johannesburg, South Africa?
Yes — 213 of the 413 open technology positions offer remote or hybrid work (84 remote, 129 hybrid).
How do I apply for Technology jobs in Johannesburg, South Africa?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.