Owen Thomas | B Corp™

Forward Deployed Engineer (Python / Go) | Production Agentic AI | B2C Start-up, Series A | £100k-£200k + Equity | London (5 Days) | Visa Sponsorship + Relocation

London On-site 2-5 yrs exp Staffing and Recruiting 9 employees£100k – £200k / year

PythonGoBackend EngineeringLLM ApplicationsAgentic AI

Requirements

Requires at least three years of commercial software engineering experience, strong backend skills in Python or Go, and hands-on experience deploying LLM-powered or agentic AI systems to production. Candidates should have strong engineering fundamentals, product and commercial awareness, stakeholder communication skills, and the ability to independently own ambiguous problems.

Job Description

The Opportunity

We're working with a well-funded, high-growth technology start-up with a global presence that's making a significant investment into its engineering team in London.

They're looking for exceptional Forward Deployed Engineers with strong backend experience who thrive at the intersection of Software Engineering, Product Ownership and AI.

The business is already generating revenue, has an established product in production and is now entering an exciting period of growth.

This is an opportunity to join a small, ambitious engineering team, work closely with stakeholders to understand real-world problems, and take full ownership of designing, building and deploying AI-powered solutions.

£100k–£200k + Equity – Highly competitive compensation with meaningful long-term upside. Exceptional benefits too.
Production AI – Work on real-world AI systems, not experimental proof-of-concepts or another basic LLM wrapper.
End-to-end ownership – Work directly with stakeholders to identify problems, design solutions, build the technology and measure its impact in production.
Strong engineering culture – Work alongside experienced engineers who care about building excellent products and solving difficult problems.
Early-stage opportunity – Join while the engineering team is still relatively small, with significant room for personal and technical growth.
Career progression – Opportunity to grow into Staff, Principal or Engineering Leadership positions as the business scales.

We're looking for strong, commercially minded Forward Deployed Engineers who enjoy working closely with people, understanding complex problems and building sophisticated AI-powered products.

You'll operate at the intersection of engineering, product and business, taking ownership of problems from initial discovery through to production deployment.

This isn't a role where you'll simply be handed technical specifications or tickets to complete.

You'll be expected to engage directly with stakeholders, challenge assumptions, identify opportunities for AI and independently design and deliver solutions that create measurable value.

Working directly with technical and non-technical stakeholders to understand problems, gather requirements and identify opportunities for AI.
Designing, building and scaling backend services using Python, with opportunities to work in Go.
Developing and deploying production-grade AI applications, agent workflows and LLM integrations.
Translating ambiguous business requirements into practical, scalable technical solutions.
Building and improving APIs, asynchronous processing systems and data pipelines.
Working on agent orchestration, retrieval systems and AI infrastructure.
Taking ownership of solutions from initial discovery and prototyping through to deployment, iteration and production.
Measuring the impact of what you've built and continuously improving solutions based on feedback and real-world usage.

3+ years of commercial software engineering experience.
Strong backend engineering experience with Python, ideally Django, or Go with a willingness to work extensively in Python.
Hands-on experience building and deploying LLM-powered applications or agentic AI systems into production.
Strong engineering fundamentals across APIs, SQL, system design and performance.
Experience taking ownership of technical solutions from initial problem discovery through to production.
Comfortable working directly with non-technical stakeholders, understanding their challenges and translating them into engineering solutions.
Experience working in a start-up or fast-paced product engineering environment.
A genuine product and commercial mindset, with an interest in understanding the measurable impact of what you're building.
Excellent communication skills, strong ownership and the ability to operate independently in ambiguous environments.

Nice to have: Go, Django, GCP, Terraform, Celery, RAG, multi-agent systems and LLM evaluation frameworks.

£100,000–£200,000 base salary + meaningful equity.
Opportunity to join a well-funded technology start-up at an exciting stage of growth.
Significant technical ownership and influence over product direction and architecture.
Work on sophisticated AI systems operating in production.
Direct exposure to stakeholders and the opportunity to see the commercial impact of your work.
Clear progression opportunities as the engineering team expands.
Comprehensive benefits and professional development support.
Visa sponsorship and relocation support available.
London-based engineering team, working predominantly in person.

If you're an experienced Software / Product / Forward Deployed Engineer with strong Python or Go experience, who's been building real AI products and enjoys owning problems from discovery through to delivery, I'd love to hear from you.

Apply here with a Product Engineering-focused CV – we want to see your ownership, measurable impact on end-to-end AI products, examples of working directly with stakeholders and how successful the solutions you've built have been!

We will get back to you if this is a good fit for the client. :)

Skills

PythonGoBackend EngineeringLLM ApplicationsAgentic AIAPI DevelopmentSQLSystem DesignPerformance OptimizationStakeholder EngagementProduct OwnershipAsynchronous ProcessingData PipelinesAgent OrchestrationRetrieval-Augmented GenerationCloud Infrastructure

About Owen Thomas | B Corp™

We are a relationship-driven recruitment partner, specialising in Software Engineering across Contract and Permanent roles in the UK & Europe. But we’d like to think there’s a little more to us than that. We're a B Corp™ and have pledged a commitment to 1% Of All Sales. Our mission is to go beyond recruitment and actively improve the world around us. Our community is the reason we love what we do and we are committed to fostering a diverse and inclusive one. For us, ‘fostering diversity’ is not a blanket approach or a buzzword; it is a nuanced practice that requires a commitment to empathy, transparency and authenticity. It involves understanding and valuing the unique perspectives and experiences that each individual brings to the table. We make a meaningful impact by genuinely caring for the people we represent and the careers we help shape. While we do not claim* to change the world, we will do our very best to leave it in a better place than we found it. *we do claim to make the best cup of tea. Part of the OT Group.