Owen Thomas | B Corp™
Mid & Senior Backend Engineers | Python, TypeScript, AI | High-Growth US FinTech Scale-Up | New London Team | 5 Days On-Site | Visa Sponsorship | Up to £130k + Equity
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Mid & Senior Backend Engineers | Python, TypeScript, AI | High-Growth US FinTech Scale-Up | New London Team | 5 Days On-Site | Visa Sponsorship | Up to £130k + Equity
The Company
We’re partnering with a commercially successful, rapidly growing technology company building sophisticated AI-powered software for global enterprise customers.
Its platform helps organisations complete complex, business-critical work more quickly and accurately by combining modern AI capabilities, proprietary data and intelligent automation.
The company has already achieved significant commercial traction and is now investing heavily in its engineering function. You’ll join at a stage where you can meaningfully influence the product, technical architecture and engineering culture while building systems used daily by demanding, paying customers.
The Role
You’ll build and scale backend systems supporting the company’s customer-facing products and wider internal operations.
This is a systems-focused role for an engineer who enjoys thinking about data flows, performance, reliability and the way different technologies work together.
You’ll take ownership of technically challenging projects from initial discovery and architecture through to production, working closely with product, engineering and commercial stakeholders.
What You’ll Be Doing
- Designing and building scalable backend services
- Improving the performance and reliability of data-intensive systems
- Developing APIs, integrations and automated workflows
- Building internal platforms that help teams operate more efficiently
- Designing reliable data models and processing pipelines
- Integrating third-party technologies into production systems
- Taking technical projects from initial concept through to production
- Improving engineering practices as the platform and team scale
- Contributing to architectural and infrastructure decisions
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Tech Stack
- Python and/or TypeScript
- PostgreSQL
- Modern cloud infrastructure
- APIs and integrations
- Distributed systems
- Data processing and workflow automation
- AI-enabled product infrastructure
You don’t need experience with every technology listed, but you should be comfortable learning quickly and making pragmatic technical decisions.
What They’re Looking For
- Strong backend software engineering experience
- Production experience with Python or TypeScript
- Experience owning technical projects end-to-end
- Strong knowledge of PostgreSQL, data modelling and system design
- Comfortable building APIs, integrations and internal tooling
- Experience translating complicated problems into clean technical systems
- A strong understanding of reliability, performance and engineering quality
- Comfortable working in a fast-moving technology environment
- A collaborative approach and clear communication style
- Based in or able to commute regularly to London
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Nice to have:
- Experience building data-intensive products
- Internal platform or developer-tooling experience
- Knowledge of data pipelines and workflow orchestration
- Experience with event-driven or distributed systems
- Exposure to production AI or machine-learning systems
- Experience integrating several external services into a cohesive platform
Why Join
- Join a commercially successful technology company experiencing significant growth
- Build complex systems used by major enterprise customers
- Work on modern AI, data and backend-engineering challenges
- Take meaningful ownership from architecture through to production
- Join a growing engineering function at an influential stage
- Work closely with highly technical founders and senior engineers
- Influence the architecture, product and engineering culture
- Receive a competitive salary, equity and comprehensive benefits
If you’re a Backend or Full stack engineer who enjoys building complex systems, improving how businesses operate and working with modern AI and data infrastructure, we’d love to hear from you. Apply with your CV and we’ll be in touch if there’s alignment.
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