Principal Backend Engineer – AI-Powered Scale-Up (Integrations Focus)

⚙️ Want to lead the backend for one of Europe’s fastest-growing AI-powered SaaS companies?

Our client is rethinking how people get hired – replacing outdated job boards and mass applications with intelligent, AI-powered matchmaking. We’re now looking for a Principal Backend Engineer to own the architecture and delivery of our growing integration platform.

This is a key technical leadership role with real autonomy, direct impact, and the chance to shape systems used by thousands across Europe and the US.

What You’ll Be Doing

• 🔧 Lead backend architecture for partner integrations – from design to deployment.

• 🧩 Build scalable, API-first systems that connect deeply with CRMs, ATSs, and HR tools.

• 🚀 Make key technical decisions across system design, infrastructure, and DevOps.

• 🤝 Collaborate closely with product and leadership teams to prioritise and deliver features.

• 🛠 Mentor engineers, foster autonomy, and drive best practices across the stack.

• 📈 Own the full SDLC – from infrastructure-as-code and CI/CD to production monitoring.

Tech Stack & Environment

• Languages: Node.js (TypeScript & JavaScript), with some Python.

• Cloud: Cloud-native (Google Cloud, AWS, or Azure – they care more about experience than provider).

• Infra: Serverless, Infrastructure-as-Code (Terraform or similar), CI/CD.

• Systems: Distributed systems, event-driven architecture, modern APIs.

• Culture: Fast-moving, low-process, and highly autonomous. We trust our engineers.

What We’re Looking For

• ✅ 8+ years backend experience (titles don’t matter – experience does).

• ✅ Strong Node.js / TypeScript / JavaScript skills; Python is a plus.

• ✅ Deep knowledge of API integrations, especially with CRMs, ATSs, or similar systems.

• ✅ Hands-on with cloud-native architecture and serverless platforms.

• ✅ Comfortable owning architecture, making strategic technical decisions, and guiding others.

• ✅ Proven track record across the full SDLC, including CI/CD and DevOps practices.

• ✅ Thrives in fast-paced, evolving environments – open-minded, pragmatic, and self-driven.

Nice-to-haves:

• 🔍 Exposure to data analytics, NoSQL, or AI-based platforms.

• 🧠 Experience in mentoring, leading projects, or growing engineering teams.

What’s in It for You

• 💰 €115k-€120k base salary DOE (up to €130k for exceptional candidates) + equity.

• 🌍 Unlimited time off, flexible hybrid working.

• 💻 MacBook Pro or your choice of setup + personal dev budget.

• 🧠 Collaborate with passionate, mission-driven founders and engineers.

• 🚀 Help shape the future of recruitment tech — meaningful problems, modern stack, high autonomy.

Interview Process

• ✨ Culture and values interview.

• 🧠 Whiteboard session (system design + integration architecture).

• 🤝 Meet the team.

Tired of process-heavy corporates and looking for a high-impact role where your decisions actually matter?
Apply now – and help this company build the infrastructure powering the next generation of hiring