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Staff Engineer - Web Platform

London, England💼 Full-time🗓 2026-09-04 → 2026-09-26

Core

Shape the technical direction and architectural evolution of Fin's web platform and systems, acting as a technical leader across marketing and growth web surfaces.

Role type

Staff Engineer (Web Platform & Technical Leadership)

Builds

Fin's websites (fin.ai), MarTech systems for event tracking, attribution, funnel reporting, and A/B testing infrastructure.

Domain

SaaS / Customer Support / Web Platforms

Deliverable

product features

Required skills

Next.js, React ecosystem, headless CMS (Contentful, Sanity), infrastructure-as-code (Terraform), cloud platforms (AWS, CloudFront, S3), deployment platforms (Vercel), experimentation infrastructure (A/B testing, Eppo), web analytics and data instrumentation, full-stack codebase management, continuous delivery.

Preferred skills

High-scale growth-focused web environment experience, cross-functional leadership, mentorship mindset.

Technologies

Next.js, React, Contentful, Sanity, Terraform, AWS, CloudFront, S3, Vercel, Eppo, Google Tag Manager.

Responsibilities

Own and evolve the architecture of the web platform; define long-term technical strategy focusing on scalability, performance, and developer productivity; lead the design and implementation of MarTech systems; mentor and elevate engineers across the team; provide technical leadership to Engineering Managers and executive stakeholders; contribute hands-on to the codebase.

Seniority

Staff, strategic technical leadership with hands-on contribution

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