The Role
As a Principal Engineer, you’ll be leading the technical direction for a recently kickstarted greenfield initiative, designing and building systems from the ground up. This is an opportunity to shape the foundations of something new, modern, and built the right way. You’ll set the architectural vision, make high‑impact technical decisions, and guide multiple squads towards building scalable, well‑engineered software. This is a hands‑on role, where you’ll be designing, coding, and solving the toughest technical challenges. With a modern cloud‑native stack and the freedom to approach problems with fresh thinking, you’ll be working at the cutting edge—embedding AI, automation, and best‑in‑class engineering practices into everything we build.
Key Responsibilities
* Own the technical strategy for your pillar, guiding multiple squads towards high‑quality, scalable, and well‑architected solutions.
* Lead the design and development of complex, high‑scale systems, writing real code, building proof‑of‑concepts, and diving into problem‑solving.
* Ensure teams within your initiative follow engineering best practices, write clean and maintainable code, and maintain high standards in security, performance, and observability.
* Support and upskill Lead Engineers and squad engineers, helping them grow into their full potential.
* Champion SOLID principles, automated testing, and CI/CD best practices, ensuring deployments are fast, safe, and seamless.
* Help teams build highly observable systems using DataDog and other tools, making sure we can see and fix issues before they impact users.
* Work closely with Product Managers, Senior Product Directors, Delivery Managers, and Engineering Managers to ensure our technical approach aligns with business needs.
* Be comfortable working with GitHub Actions, Terraform, Kubernetes, and AWS to ensure our systems are resilient and scalable.
* Embed AI into our engineering processes—if you have ideas on how to push the boundaries of AI‑driven development, you’ll have the space to explore them.
Knowledge, Skills and Experience Required
* Proven experience designing large, distributed, data‑driven systems in the cloud, and you’ve run an engineering team/squad previously.
* Very familiar with testing frameworks such as Jest and Pact.
* Can architect a system that scales, handles high throughput, and integrates seamlessly with a complex ecosystem.
* Deployed production systems using Terraform and Helm, and have experience with GitHub Actions as a CI/CD platform.
* Believe in measuring everything—worked with DataDog (or similar) to ensure teams have visibility into system health.
* Mentored engineers at all levels, providing guidance, reviewing designs, and ensuring teams stay on the right track.
Equal Opportunity Employer Statement
Collinson is an equal opportunity employer and welcomes differences in all their forms including: colour, race, ethnicity, gender identity, sexual orientation, neurodivergence, family status, age, individuals with disabilities and people from all backgrounds, cultures and experiences as we strongly believe this contributes to our on‑going success.
We are focused on continually evolving our purpose‑driven, high‑performing culture, providing an environment where our people have the opportunity to achieve their full potential and do interesting and meaningful work. Our company values are: Act smarter, Do the right thing, One team and Be insight‑led. These help guide everything we do internally in terms of how we think, act and interact, right through to how we deliver value to our customers and clients.
In your application, please feel free to note which pronouns you use (For example - she/her/hers, he/him/his, they/them/theirs, etc).
We also have our very own Beacons (Domestic Abuse Advisors) supporting within each of our global offices. Our Beacons will be your point of contact if you or someone you know needs support.
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