Principal Back End Engineer (Ruby / AWS / Postgres / Redis)
Hybrid (UK – Remote-first with London office)
£95k - £120k + Benefits
Albany Growth are partnering with a high-growth UK-based SaaS company backed by recent investment and now ready to scale their engineering team with 2 senior hires.
They are now hiring a Principal Engineer to drive backend excellence across a complex, high-availability platform used by global customers.
This is a hands-on senior leadership role with significant influence across engineering standards, architecture, and mentorship. You'll work across a modern Ruby-based stack, and play a key role in scaling platform infrastructure and guiding technical decisions that impact millions.
Key Responsibilities
* Lead the design and development of backend services in a mission-critical platform
* Set and uphold engineering best practices across performance, testing, security, and delivery
* Mentor peers and contribute to the technical and professional growth of the wider team
* Own features from concept to production, balancing architectural integrity with delivery pace
* Collaborate closely with product and engineering leadership on roadmap planning and system evolution
* Contribute to compliance-focused, change-controlled deployments with high DORA metrics (elite-level performance)
* Continuously improve tooling, observability, and infrastructure to support scalable growth
Key Requirements
* Proven experience as a Principal / Lead / Staff level Engineer, ideally in SaaS or platform environments
* Expertise in Ruby on Rails and strong understanding of distributed backend systems
* Experience with infrastructure at scale—ideally across AWS, Terraform, Kubernetes, Postgres, Redis
* Comfortable working in fast-paced, collaborative, remote-first environments
* Strong communication and mentoring skills with a product-oriented mindset
📍 Remote-first (UK-based)
💵 £95k - £120k base + 5% pension + private healthcare + benefits
🎯 Mission-led product with complex real-time challenges
🔁 Modern stack: Ruby on Rails / AWS / Terraform / Kubernetes / Go (for performance-critical paths)
If you're ready to shape backend systems that underpin global infrastructure, apply using the link and we’ll be in touch with further details.
Principal Back End Engineer (Ruby / AWS / Postgres / Redis)
Hybrid (UK – Remote-first with London office)
£95k - £120k + Benefits