Summary
✨ AI‑Generated
A mid-to-senior backend engineering opportunity within a fast-growing technology company building sophisticated AI-powered enterprise software. You will develop backend systems using Python and TypeScript, contribute to architecture and technical direction, and help build reliable solutions for complex business workflows. The role is fully onsite in London and offers visa sponsorship, competitive compensation and equity.
Highlights
Up to £130,000 plus equity, visa sponsorship, and the chance to join a rapidly growing engineering organization where you can influence product direction, architecture and engineering culture.
Description
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 | 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
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 servicesImproving the performance and reliability of data-intensive systemsDeveloping APIs, integrations and automated workflowsBuilding internal platforms that help teams operate more efficientlyDesigning reliable data models and processing pipelinesIntegrating third-party technologies into production systemsTaking technical projects from initial concept through to productionImproving engineering practices as the platform and team scaleContributing to architectural and infrastructure decisions
Tech Stack | 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
Python and/or TypeScriptPostgreSQLModern cloud infrastructureAPIs and integrationsDistributed systemsData processing and workflow automationAI-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 experienceProduction experience with Python or TypeScriptExperience owning technical projects end-to-endStrong knowledge of PostgreSQL, data modelling and system designComfortable building APIs, integrations and internal toolingExperience translating complicated problems into clean technical systemsA strong understanding of reliability, performance and engineering qualityComfortable working in a fast-moving technology environmentA collaborative approach and clear communication styleBased in or able to commute regularly to London
Nice to have:
Experience building data-intensive productsInternal platform or developer-tooling experienceKnowledge of data pipelines and workflow orchestrationExperience with event-driven or distributed systemsExposure to production AI or machine-learning systemsExperience integrating several external services into a cohesive platform
Why Join | 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
Join a commercially successful technology company experiencing significant growthBuild complex systems used by major enterprise customersWork on modern AI, data and backend-engineering challengesTake meaningful ownership from architecture through to productionJoin a growing engineering function at an influential stageWork closely with highly technical founders and senior engineersInfluence the architecture, product and engineering cultureReceive 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.
