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For Companies At a Glance
- Tasks: Build and scale AI systems that revolutionise customer conversations in healthcare.
- Company: Exciting pre-seed AI startup with a focus on innovation and growth.
- Benefits: Competitive salary, equity options, and the chance to shape an AI product.
- Why this job: Join a founding team and make a real impact in the AI healthcare space.
- Qualifications: 3-5 years of software engineering experience, especially in Python and AWS.
- Other info: Work in a dynamic environment with high autonomy and ownership.
The predicted salary is between 72000 - 84000 £ per year.
Do you want to be a founding engineer building production AI agents that handle real customer conversations? Have you ever owned a system end-to-end, from backend design to live deployment? Are you ready to help scale an AI product already live with real users in healthcare?
A high-growth, pre-seed AI startup in healthcare is hiring a Founding Senior Software AI Engineer to help scale its AI platform. The product is already live in sites across the UK. This is a true founding-level role: you'll work directly with the founding team, own major systems end-to-end alongside the CTO, and help define how AI agents are designed, deployed, and iterated in production.
Role summary
You’ll be a senior, hands-on engineer responsible for building scalable backend systems and deploying applied AI capabilities (LLMs, agentic workflows, voice + messaging). You’ll operate with high autonomy and strong product ownership.
Key responsibilities
- Build and scale backend services in Python (AWS)
- Own production integrations (telephony/voice, WhatsApp, email)
- Develop and improve LLM agent workflows (frameworks a plus)
- Implement reliability, monitoring, evaluation and QA practices
- Work end-to-end: scoping, delivery, deployment and iteration
- Collaborate directly with founders on product and technical direction
Requirements
- 3-5+ years software engineering experience in industry (Python)
- Strong AWS experience (production systems)
- Real exposure to AI/LLM systems in industry (not purely academic)
- Independent, proactive, high ownership mindset
- Strong communication and stakeholder skills
- Computer science degree preferred
Nice to have
- Experience with LangGraph / agent frameworks
- Twilio / voice systems / communications tooling
- WhatsApp / messaging platform integrations
- Start-up experience or strong side projects showing 'spikes'
Key details
- Salary: up to £120,000 + equity
- Location: Central London
- Working model: On-site 5 days/week
- Tech: Python, AWS, TypeScript/React, LLM frameworks
- Visa sponsorship: Not available
Interested? Please apply below.
Founding Engineer - Agentic AI in Slough employer: Harnham
Contact Detail:
Harnham Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Founding Engineer - Agentic AI in Slough
✨Tip Number 1
Network like a pro! Reach out to people in the AI and healthcare sectors on LinkedIn or at meetups. We can’t stress enough how personal connections can lead to job opportunities, so don’t be shy!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving Python and AWS. We love seeing real-world applications of your work, so make sure to highlight any AI systems you've built or contributed to.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design. We recommend practicing with mock interviews or coding challenges to get comfortable with the types of questions you might face.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team and being part of something exciting from the ground up.
We think you need these skills to ace Founding Engineer - Agentic AI in Slough
Some tips for your application 🫡
Show Your Passion for AI: When you're writing your application, let your enthusiasm for AI and its potential in healthcare shine through. We want to see that you’re not just looking for a job, but that you’re genuinely excited about building AI agents that can make a difference.
Highlight Your End-to-End Experience: Make sure to emphasise any experience you have owning systems from backend design to live deployment. We’re looking for someone who can take charge of projects, so share specific examples that showcase your ability to manage the entire process.
Tailor Your Application: Don’t just send a generic application! Tailor your CV and cover letter to reflect the skills and experiences mentioned in the job description. We appreciate when candidates take the time to connect their background with what we’re looking for.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at Harnham
✨Know Your Tech Inside Out
Make sure you’re well-versed in Python and AWS, as these are crucial for the role. Brush up on your experience with AI/LLM systems and be ready to discuss specific projects where you've built scalable backend services.
✨Showcase Your Ownership Mindset
This is a founding-level role, so demonstrate your proactive approach. Prepare examples of how you've owned systems end-to-end in previous roles, highlighting your ability to take initiative and drive projects forward.
✨Communicate Clearly and Confidently
Strong communication skills are key, especially when collaborating with founders. Practice articulating your thoughts on technical direction and product development, ensuring you can convey complex ideas simply and effectively.
✨Prepare for Real-World Scenarios
Expect questions that test your problem-solving skills in real customer conversations. Think about how you would handle various scenarios involving AI agents in healthcare, and be ready to discuss your thought process and solutions.
