Senior Backend Engineer (Remote, UK)
(Remote — Americas or Europe)
At Nango (YC W23), we’re building the modern way for developers to build product integrations. Companies run on an ever-growing stack of software, and meaningful automations require these tools to work seamlessly together. That only happens through integrations.
We’re the leading open-source platform for product integrations. More than 100 paying customers — including Linux, Contentful, Semgrep — already rely on Nango. We’ve passed $1M ARR with just 6 people, growing fast through inbound, product-led adoption.
We’re backed by YC and executives from Cloudflare, Retool, Notion. Adoption is especially strong among fast-growing AI companies (e.g. Exa, Vapi, Tennr, Motion), where integrations are the first step to connecting AI agents with the real world.
What You’ll Do
Design and scale backend systems, APIs, and services for our open-source platform.
Build world-class developer interfaces: APIs, SDKs, UIs, and a runtime that delights developers.
Collaborate directly with customers to solve integration challenges.
Optimize performance, scalability, and reliability across backend services.
Shape the roadmap and company strategy with high ownership of key decisions.
Engage with the open-source community, owning and maintaining our repo.
Who you are
5+ years of backend engineering experience, with proven ability to scale high-traffic systems.
Deep experience with developer infrastructure, APIs, databases, and performance-critical systems.
Passion for developer tools, best practices, and building outstanding DX.
Comfortable with Node.js and modern backend stacks.
Strong communicator, proactive, and reliable in a remote-first environment.
Product mindset and developer empathy: you optimize for DX.
Pragmatic, positive, and low ego: you step up in incidents and unblock teammates.
Startup-ready: autonomous, ownership-driven, and able to navigate ambiguity.
If you’re a seasoned backend engineer who loves developer infrastructure, thrives on ownership, and wants to shape the future of integrations — we’d love to hear from you.
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Nango's mission is to make it simple for engineers to integrate with any external API. For HR, ATS, CRM APIs, and other applications use Nango's pre-built aggregations and unified data models.
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