JavaScript Engineer (London Area)

Staff to Principal JavaScript Engineer | £110,000–£150,000 + Equity | TypeScript | React | Node.js | Hybrid (3 Days in Victoria)

A high-growth, VC-backed SaaS startup is redefining how modern businesses manage spend—streamlining everything from software requests to supplier approvals. With enterprise customers already onboard and 10x growth on the horizon, they’re looking for exceptional full-stack engineers to scale the next generation of their platform.

Series A: $25M raised from world-class investors.

Leadership: Proven operators who built one of Europe’s most successful B2B scaleups.

Trajectory: From early product-market fit to 200+ enterprise customers in the next 2–3 years.

Why You Should Join

• Shape a modern, cloud-native, no-code platform that handles the entire purchasing lifecycle
• Collaborate in a high-trust, high-performance engineering culture with full product ownership
• Work across React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge), Hasura, CDK & SST
• Ship multiple times per day via a robust continuous delivery pipeline
• Drive architecture, scalability, and technical direction across core features and new domains

‍ What You’ll Do

• Build end-to-end product features from idea to deployment and impact measurement
• Design scalable, observable systems ready to serve hundreds of enterprise customers
• Lead technical initiatives or set engineering direction depending on your level (Staff/Principal)
• Collaborate with product, design, and leadership on roadmap, UX, and feasibility
• Embrace deep ownership—from infra to UI, DevOps to customer impact

Ideal Background

• 6–10+ years of software engineering experience (flexible if you’ve delivered real impact fast)
• Strong full-stack skills in TypeScript, React, and Node.js
• Experience with AWS serverless tools (Lambda, DynamoDB, CDK, etc.)
• Passion for product, customers, and shipping fast without cutting corners
• High standards for quality, observability, reliability, and performance
• Bonus : experience in scaling early-stage products or leading in top-tier engineering teams

You’ll Fit If You…

• Thrive in ambiguous, fast-moving environments and make good decisions quickly
• Gravitate toward ownership-heavy work, not just implementation tickets
• Push yourself and others to build better, faster, and smarter
• Take pride in clean code, smooth user experiences, and solving real customer problems
• Have a history of excellence in any domain—tech, academia, sport, or side projects

Compensation & Equity

• Senior Engineer £90,000 - £110,000
• Staff Engineer : £110,000 – £135,000
• Principal Engineer : £135,000 – £150,000
• Equity Options

✨ Benefits

• Hybrid working: 3 days/week in a brand-new Victoria office (Tues–Thurs)
• Visa sponsorship and relocation support for senior-level candidates
• Equity with meaningful upside in a high-growth environment
• Work closely with a newly hired Head of Engineering from a top European scaleup
• Join a team of high-performing engineers scaling from 18 → 35+ this year

⚡ Hiring Process (Fast, Friendly, and Efficient – 2 to 3 Weeks)

1. Intro Chat with Hiring Manager
2. Technical Screen
3. Pair Programming (TypeScript)
4. Final Interview with Leadership

This is a rare opportunity to build from the ground up, own the product you work on, and help define a category. You’ll work with ambitious, curious, and kind engineers in one of Europe’s most promising early-stage teams.

Apply now — or message Sam Barcia for a confidential chat.