Principal Software Engineer Contract
Principal Software Engineer Contract
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Job Description
Company
Collinson is a global loyalty and benefits company.
We use our expertise and products to craft customer experiences which enable some of the worlds best known brands to acquire engage and retain the most demanding and choicerich customers. In particular our unique expertise and insight into high earning frequent travellers allows us to create products and solutions for our clients that inspire greater customer engagement to drive more profitable relationships enrich their travel experiences protect what matters and assist in in times of need.
While specialising in Financial Services Travel and Retail we also support clients in multiple sectors. We have worked with over 90 airlines 20 hotel groups and more than 600 financial institutions and banks with clients including Accor Hotels Air France KLM American Express British Airways Cathay Pacific Diners Club Mandarin Oriental Mastercard Radisson Hotel Group Sephora Visa and Vhi.
We take our 30 years experience working with these kinds of household names in over 170 countries and help our clients to deliver the smarter experiences it takes to differentiate their propositions and help them win deeper devotion with their customers.
Collinson is a privatelyowned entrepreneurial business with 2000 passionate people working in 20 locations worldwide. Our solutions include Priority Pass the worlds best known airport experiences programme while we are also the trusted partner behind many of the leading financial services airline and hotel brands reward programmes and loyalty initiatives.
The Role
As a Principal Engineer youll 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.
Youll set the architectural vision make highimpact technical decisions and guide multiple squads towards building scalable wellengineered software. This is a handson role where youll be designing coding and solving the toughest technical challenges.
With a modern cloudnative stack and the freedom to approach problems with fresh thinking youll be working at the cutting edge embedding AI automation and bestinclass engineering practices into everything we build.
If you enjoy building new things defining technical strategy and working with highly capable teams this role offers the space and responsibility to do just that.
Key Responsibilities
- Technical Leadership Own the technical strategy for your pillar guiding multiple squads towards highquality scalable and wellarchitected solutions.
- HandsOn Architecture & Development Lead the design and development of complex highscale systems. This means writing real code building proofofconcepts and diving into problemsolving.
- Engineering Consistency Ensure teams within your initiative follow engineering best practices write clean and maintainable code and maintain high standards in security performance and observability.
- Mentorship & Coaching Support and upskill Lead Engineers and squad engineers helping them grow into their full potential.
- Modern Software Practices Champion SOLID principles automated testing and CI/CD best practices ensuring deployments are fast safe and seamless.
- Observability & Performance Help teams build highly observable systems using DataDog and other tools making sure we can see and fix issues before they impact users.
- Collaboration Work closely with Product Managers Senior Product Directors Delivery Managers and Engineering Managers to ensure our technical approach aligns with business needs.
- Infrastructure & Deployment Be comfortable working with GitHub Actions Terraform Kubernetes and AWS to ensure our systems are resilient and scalable.
- AI & Future Tech We want to push the boundaries of AIdriven development if you have ideas on how to embed AI into our engineering processes youll have the space to explore them.
Knowledge skills and experience required
- Tech stack We use TypeScript (Node.js & React) AWS (EKS Lambda Aurora RDS) Kubernetes and GraphQL. Youre comfortable with all of these and have extensive knowledge of JavaScript more generally the AWS ecosystem and running containerised applications.
- Past Experience You have proven experience designing large distributed datadriven systems in the cloud and youve ran an engineering team/squad previously.
- TestDriven Development Youre very familiar with testing frameworks such as Jest and Pact.
- Architecture & Problem Solving You can architect a system that scales handles high throughput and integrates seamlessly with a complex ecosystem.
- CI/CD & Infrastructure as Code Youve deployed production systems using Terraform and Helm and have experience with GitHub Actions as a CI/CD platform.
- Observability Mindset You believe in measuring everything. Youve worked with DataDog (or similar) to ensure teams have visibility into system health.
- Software Craftsmanship You write highquality maintainable code champion SOLID principles and understand when to be pragmatic vs. when to be purist.
- Mentorship & Leadership Youve mentored engineers at all levels providing guidance reviewing designs and ensuring teams stay on the right track.
Interview Process
We want our process to be fair and transparent so its only right that we tell you what the various interview stages are:
Stage 1 Well do a screener call with our recruitment team where you can learn a bit more about Collinson our values and we can confirm what youre looking for in a new role.
Stage 2 Well do a short call with the VP of Software Engineering for around 30 minutes who will tell you more about the team our projects and ask questions about your career history and suitability for the role.
Stage 3 Well ask you to do a tech test at home. It will take around an hour.
Stage 4 This is final and main stage where well meet you for around 2 hours and youll get to spend time with different members of the engineering team. Well talk through your technical test and ask questions about your solution alongside more jobspecific scenarios.
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 ongoing 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).
If you need any extra support throughout the interview process then please email us at
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.
Employment Type
Full Time
