Software Engineer - Authentication and Authorization
On site
London, United Kingdom
Full Time
26-03-2025
Job Specifications
Are you a software engineer with a passion for authentication and authorization? Are you excited about things like identity and access management (IAM), permissions, access tokens, multi-factor authentication (MFA) and single sign-on (SSO)? Do you thrive on tackling complex technical challenges and building scalable systems? If this sounds like you, Pleo needs your expertise!
We are about to create a dedicated auth team that rethinks and renews how authentication and authorization are handled in Pleo with the goal to ensure the security and integrity of our systems. We intend to follow open industry standards and use third party providers. You’ll be working closely with product teams to make auth as easy to use as possible, but also with platform teams like Backend Core that provide common libraries and internal frameworks as well as with the Security team.
You know your way around:
Cloud environments / distributed systems / microservices (AWS, Google Cloud, Kubernetes)
Architecting scalable solutions and API design
Authentication & authorisation for APIs
Server-side languages (we mainly use Kotlin and TypeScript)
Testing frameworks, observability, and monitoring
DevOps culture and tools (GitHub Actions, Gradle, Terraform)
Relational databases (e.g. PostgreSQL)
Optional but beneficial: 3rd party authentication providers
Your colleagues would say you are:
Work in English with ease (it's our company language)
Never stop being curious and love learning about new languages/ frameworks/ working styles
Have experience solving complex technical challenges at scale
Ensure a high bar for quality and reliability within your team
Advocate for a more thorough code review process than a quick scroll to the bottom of the page and a “LGTM!”
You don’t just write code; you help to design the overall solution
Able to raise and describe technical debt faced by your team. And then able to propose a solution or path forward
Show Me The Benefits
Your own Pleo card (no more out-of-pocket spending!)
Lunch is on us - with catering in our Lisbon, Copenhagen and London offices or a monthly lunch allowance paid directly together with your salary in other markets
Private health insurance to ensure you’re fit in body and mind to do your best work
Option to purchase 5 additional days of holiday through a salary sacrifice
Wellbeing days - fully paid days off designed for a slower pace, allowing you to take time to recharge and prioritise self-care
We’re trialling MyndUp to give our employees access to free mental health and wellbeing support with great success so far
Access to LinkedIn Learning - acquire new skills, stay abreast of industry trends and fuel your personal and professional development continuously
Paid parental leave - we want to make sure that we're supportive of families and help you feel that you don't have to compromise your family due to work
Why join us?
Working at Pleo means you're working on something very exciting: the future of work. Our mission is to help every company go beyond the books. Pleo itself means ‘more than you’d expect’, and it’s been the secret to our success over the last 8 years. So it’s only fitting that we’d pass this philosophy onto our customers to help them make the most of their finances.
We think company spending should be delegated to all employees and teams, that it should be as automated as possible, and that it should drive a culture of responsible spending. Finance teams shouldn’t be siloed from the rest of the organisation – they should work in unity with marketing, sales, IT and everyone else.
Speaking of working in unity, our values tell the story of how we work at Pleo. We have four core values, the first of which is ‘champion the customer’, which means we address real pain points that businesses face. Next up is ‘succeed as a team’, which highlights how our strength lies in our diversity and trust in each other. We also ‘make it happen’ by taking bold decisions and following through to deliver results. Last but not least, we ‘build to scale’, creating lasting solutions that address today’s challenges and anticipate tomorrow’s needs.
So, in a nutshell, that's Pleo. Today we are a 850+ team, from over 100 nations, sitting in our Copenhagen HQ, London, Stockholm, Berlin, Madrid, Montreal and Lisbon offices —and quite a few full-time remotes in 35 other countries! Being HQ'd out of Copenhagen means we're inspired by things like a good work-life balance. If you don't work in the office with us, we'll help you set up the best remote setup possible and make sure you still have time to connect with your team.
About Your Application
Please submit your application in English; it’s our company language so you’ll be speaking lots of it if you join
We treat all candidates equally: If you are interested please apply through our application system - any correspondence should come from there! Our lovely support isn't able to pass on any calls/ emails our way - and this makes sure that the candidate experience is smooth and fair to everyone
We’re on a mission to make everyone feel valued at work. That’s only achievable if our team reflects the diversity of the world around us - and that starts with you, hitting apply, even if you are worried you might not tick all the boxes! We embrace and encourage people from all backgrounds to apply - regardless of race/ethnicity, colour, religion, nationality, gender, sex, sexual orientation, age, marital status, disability, neurodiversity, socio-economic status, culture or beliefs
When you submit an application we process your personal data as a data processor. Find out more about how your data is used in the FAQs section at the bottom of our jobs page
About the Company
Centralise your business spending for complete financial efficiency and balance the books effortlessly with Europe’s most loved and trusted spend management platform. Expenses, reimbursements, invoices, budgets... With Pleo, you can pay, manage and optimise, turning your spending into a key to business success. Just... Pleo it. Join 37,000+ happy companies and start using Pleo today for free. www.pleo.io Know more
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