Summary
A senior backend engineering role focused on designing scalable services, integrating AI capabilities, mentoring engineers, and shaping long-term technical architecture using modern cloud and software development practices.
Highlights
Join a growing engineering team building scalable backend systems with opportunities for architecture ownership, mentoring, and AI-focused development.
Description
🚀 We're hiring: Senior Backend Engineer @ Narwhal Labs
📍 Bristol, UK | Full-time (must be able to commit to 4 days per week in the office)
Narwhal Labs is building DeepBlue OS — autonomous revenue infrastructure that helps businesses answer every call, follow up every lead, and log every interaction across Voice, SMS, Email and WhatsApp.
We're an NVIDIA Inception Program Member and Google Partner, a 38-person team that launched our platform in May 2026.
We're looking for a Senior Backend Developer to help architect and scale the systems behind it — and to help grow the engineers around them.
What you'll do:
🔧 Design, build and maintain scalable backend services and APIs (primarily Python)
🧠 Integrate AI and LLM-powered features into our platform
👥 Mentor junior developers through code review and pair programming
🏗️ Shape our system architecture and long-term technical roadmap 🤝 Work closely with product, design and engineering to ship high-impact features
What you'll bring:
✅ 5+ years backend development experience (Python, .NET/C#, PHP)
✅ Strong RESTful APIs, microservices, auth, and database design (SQL/NoSQL)
✅ Cloud experience (AWS, Azure, or GCP)
✅ Experience mentoring developers or leading small teams
✅ Familiarity with AI/ML frameworks, LLMs, or data pipelines
Bonus points for:
⭐ Docker/Kubernetes experience
⭐ CI/CD and DevOps exposure
⭐ MLOps or model deployment knowledge
⭐ Frontend chops (Next.js, Node.js, TypeScript, React)
⭐ Distributed systems / event-driven architecture experience
If you want to build the infrastructure layer powering real revenue operations — and help level up a team while you do it — we'd love to hear from you.
Diversity and Inclusion
We're building something global at Narwhal, and we mean that in every sense.
The work we do requires different ways of thinking and different ways of thinking come from different people.
At Narwhal, we're committed to building a diverse and inclusive team.
We welcome applications from people of all backgrounds, identities, and experiences, and we actively work to ensure our hiring process is fair and accessible for everyone.
Reasonable adjustments are available at every stage, just reach out and we'll make it happen.
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