Senior Applied Engineer (Full-Stack & Systems) – UK

🚀 We’re Hiring: Applied Engineer | UK 🇬🇧

We’re looking for 4 Applied Engineers to join a fast-growing, well-funded team building and shipping software at high speed.

This is a highly hands-on role for engineers who enjoy owning customer projects end-to-end, solving complex problems, and turning one-off solutions into scalable products.

🔧 What you’ll do

• Own customer projects from discovery and design through development, deployment, and verification.
• Build migration and integration pipelines using Temporal or similar durable workflow orchestration tools.
• Work with customer accounting data in PostgreSQL, including data reconciliation and production migrations.
• Build internal tools that transform recurring solutions into scalable systems.
• Integrate third-party APIs and work with webhooks and rate limits.
• Identify recurring patterns and help turn them into core product capabilities.
• Work closely with customers and non-technical finance stakeholders to translate business needs into technical solutions.
• Help shorten the path from customer request → shipped product.

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💻 Must-have experience

• 5+ years shipping production software end-to-end.
• Proven experience delivering directly with customers.
• Django + Django REST Framework (DRF).
• Advanced PostgreSQL knowledge beyond standard ORM usage.
• Experience reading query plans.
• Experience performing migrations against live production/customer data.
• Next.js, React + TypeScript.
• Durable workflow orchestration — Temporal preferred; Celery or equivalent accepted.
• Third-party APIs and webhooks.
• Experience working with rate limits.

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• Experience reconciling data across different systems.
• Strong ownership, autonomy, communication, and problem-solving skills.

⭐ Nice to have

• Accounting, ERP, or fintech experience.
• Knowledge of double-entry accounting, chart of accounts, financial close, AP/AR, or revenue recognition.
• Previous forward-deployed, applied, or special-projects engineering experience.
• Strong judgment around when to build a quick script vs. a complete system.
• Comfortable working in ambiguous, rapidly changing environments.

🌎 What’s offered

📍 Location: United Kingdom

💰 Base salary: USD 150,000 – 280,000/year

🏠 Home internet, coworking space & equipment

🌴 27 days PTO, including public holidays

🤖 Unlimited AI token usage

📚 Learning & development budget

🇺🇸 Potential US sponsorship & relocation after 2 years

🤝 In-person meetups across Europe

This is an opportunity to join a fast-paced engineering culture with strong funding and significant room for impact, where you’ll have the opportunity to ship quickly, own solutions end-to-end, and help shape a new product surface.

📩 Interested? Apply now or send your CV + desired salary to [email protected]

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