Staff Software Engineer at Pleo | Capital Region of Denmark, DK | Rezi

Staff Software Engineer at Pleo

Staff Software Engineer

Pleo · Capital Region of Denmark, DK

2 weeks ago

Staff Software Engineer

Pleo · Capital Region of Denmark, DK

17 days ago
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About the Role

As a Staff Backend Engineer, you'll take technical ownership of complex business domains, designing, building, and evolving scalable, reliable backend services for our enterprise spend management platform. This is an 80/20 hands-on technical leadership role, combining deep engineering work with architectural ownership and influence across teams.

Responsibilities

  • Designing and operating distributed systems, event-driven architectures, and cloud-native services.
  • Applying Domain-Driven Design (DDD) to model complex business domains and define clear service boundaries.
  • Building maintainable systems following Clean Architecture, Hexagonal Architecture, and similar architectural principles.
  • Designing APIs, service integrations, and reliable asynchronous workflows using technologies such as Temporal.
  • Designing secure authentication and authorization solutions, applying standards such as OAuth 2.0, OIDC, and WebAuthn, as well as fine-grained authorization models.
  • Ensuring scalability, security, observability, and resilience in production.
  • Continuously improving shared libraries, project structure, development tooling, and automated quality assurance practices to promote consistency, reusability, and maintainability across services.
  • Driving architectural decisions, evaluating trade-offs, and mentoring other engineers.
  • Leveraging AI extensively but responsibly, including developing guardrails, agent harnesses, and tooling to maintain engineering quality in a fast-paced environment.

Requirements

  • Strong engineering fundamentals matter more than experience with a particular language.
  • English first. Since it's our company language, please submit your application in English.
  • You’ll be using it a lot if you join us.
  • We encourage people from all backgrounds and experiences to join us.
  • If you have any accessibility requirements or need a specific format, email belonging@pleo.io.
  • We’ll design a process that works for you.
  • When you apply, we process your personal data as a data processor.
  • If you’re applying for the same role again, please wait six months from your last decision before hitting submit.

Skills

  • Node.js
  • TypeScript
  • Temporal
  • SpiceDB
  • PostgreSQL
  • Kafka
  • Redis
  • Domain-Driven Design (DDD)
  • Clean Architecture
  • Hexagonal Architecture
  • OAuth 2.0
  • OIDC
  • WebAuthn

Location

  • Remote

Work Type

  • Remote
  • Full-time

Experience Level

  • Staff

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
  • Wellbeing days
  • Access to MyndUp for free mental health and wellbeing support
  • Access to LinkedIn Learning
  • Paid parental leave

About the Company

  • Messy spend management is tricky business. And tedious processes are a lose-lose situation for all involved, not just finance. At Pleo, we're changing that. We build spend solutions that make managing money seamless, empowering, and surprisingly effective for finance teams and employees alike - with a vision to help all businesses ‘go beyond’.
  • The word ‘Pleo’ actually means ‘more than you’d expect’, and living by that mantra has been the secret to our success over the last 10 years.
  • Now, we’re at a pivotal moment in our journey; every move we make has a direct impact on our 40,000+ customers, our business, and our collective success.
  • We need people who take pride in uncovering customer needs, who turn complex problems into simple solutions, challenge the way things are done (respectfully), and always aim high.
  • With great ambitions driving us forward, we can’t say we’ve got this whole thing figured out. And frankly, that’s half the fun!
  • What we can say is that we’re a driven, progressive, and, importantly, a kind bunch of 850+ people from over 100 nationalities, all committed to delivering the future of business spending, together.

Equal Opportunity

  • A fair look for everyone. Our talent team reads every single application to ensure the process is fair.
  • Diversity drives us. We can only reach our goals if our team reflects the world around us. That starts with you hitting apply, even if you don't tick every single box.
  • Your data is safe. When you apply, we process your personal data as a data processor.