Pleo

Staff Software Engineer

Pleo
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9 hours ago
Copenhagen, Denmark +3 moreStaff+

Responsibilities

  • Design and operate distributed systems, event-driven architectures, and cloud-native backend services.
  • Model complex business domains and define clear service boundaries using Domain-Driven Design.
  • Build maintainable systems using Clean Architecture, Hexagonal Architecture, and similar principles.
  • Design APIs, integrations, and reliable asynchronous workflows using technologies such as Temporal.
  • Design authentication and authorization solutions using OAuth 2.0, OIDC, WebAuthn, and fine-grained authorization models.
  • Ensure scalability, security, observability, and resilience in production.
  • Improve shared libraries, project structure, development tooling, and automated quality assurance practices across services.
  • Drive architectural decisions, evaluate trade-offs, mentor engineers, and provide technical leadership across teams.
  • Develop responsible AI guardrails, agent harnesses, and engineering-quality tooling.

Requirements

  • Strong backend engineering fundamentals and experience designing scalable, reliable services.
  • Experience with complex business domains, distributed systems, event-driven architectures, and cloud-native services.
  • Ability to make architectural decisions, define service boundaries, and lead technical work across teams.
  • Experience with secure authentication and authorization concepts and standards such as OAuth 2.0, OIDC, and WebAuthn.
  • Ability to mentor and coach other engineers and communicate decisions clearly.
  • Experience with Node.js and TypeScript is relevant, though the company values strong engineering fundamentals over a specific language.
  • Commitment to pragmatic, maintainable, high-quality engineering practices.

Benefits

  • Remote work, with occasional requested travel to Amsterdam or other European offsite meetings.
  • Pleo card for work-related spending without out-of-pocket costs.
  • Catered lunches in Lisbon, Copenhagen, and London offices, or a monthly lunch allowance in other markets.
  • Private health insurance.
  • Fully paid wellbeing days.
  • Free mental health and wellbeing support through MyndUp.
  • Access to LinkedIn Learning.
  • Paid parental leave.
Pleo

About Pleo

501-1,000 employees

Pleo builds a spend management platform for businesses, combining corporate cards with software for expenses, reimbursements, invoices, and budgeting. It sells a subscription-based SaaS product that integrates with popular accounting systems and supports physical and virtual cards for teams. Founded in 2015 and headquartered in Copenhagen, Pleo operates across multiple European markets and serves companies seeking to control and automate day-to-day spending.

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