Pleo Technologies ApS logo

Backend Engineer

Job Overview

Location

Madrid, Lisbon,

Job Type

Full-time

Category

Backend Engineer

Date Posted

March 11, 2026

Full Job Description

📋 Description

  • Join Pleo Technologies ApS as a Backend Engineer and play a pivotal role in shaping the future of business spend management. Pleo is revolutionizing how companies handle their finances, moving beyond tedious processes to create seamless, empowering, and effective solutions for finance teams and employees alike. With a vision to help all businesses ‘go beyond’, Pleo lives by its name, meaning ‘more than you’d expect’, a mantra that has driven our success over the last decade.
  • As a Backend Engineer, you will be instrumental in building and scaling our robust backend systems. This is a unique opportunity to contribute to exciting projects that directly impact our 40,000+ customers and fuel our continued growth. You will be part of a dynamic, progressive, and kind team of over 850 individuals from more than 100 nationalities, all united by a commitment to delivering the future of business spending.
  • Your primary responsibility will involve designing, building, and maintaining scalable microservices, with a strong emphasis on using Kotlin. You will collaborate closely with cross-functional teams across various domains, including Platform, Services, SMB, and others, to develop innovative solutions that address complex business needs and enhance our product offerings.
  • A key aspect of this role is ensuring the high reliability and scalability of our systems. You will be tasked with analyzing system performance, identifying bottlenecks, and implementing strategic optimizations. This proactive approach to system health is crucial as Pleo continues its rapid expansion.
  • You will actively participate in code reviews, contributing to a culture of high-quality code and continuous improvement. Engaging in post-mortems will allow you to learn from incidents and implement preventative measures. Furthermore, you will have the opportunity to mentor other engineers, sharing your expertise and helping to upskill the team, fostering a collaborative and growth-oriented environment.
  • Addressing technical debt is a significant part of this role. You will proactively identify areas for improvement, guide the team through technical challenges, and lead migrations to ensure our technology stack remains modern, efficient, and maintainable. Your insights will be invaluable in navigating the complexities of a growing scale-up.
  • You will work under the guidance of our Engineering Manager and collaborate extensively with product teams. While the specific team assignment will be determined later, your work will contribute to critical areas such as Credit, Platform, Partnerships, and SMB. This cross-functional collaboration is key to our success in building world-class solutions.
  • In your first six months, you are expected to take the lead on backend initiatives aimed at enhancing system performance and scalability. You will actively contribute to driving innovation within both product development and infrastructure. This period will also focus on deepening your expertise in Kotlin and distributed systems, while simultaneously mentoring junior engineers and contributing to the overall technical direction of Pleo.
  • Pleo is committed to your professional development. This role offers ample opportunities to grow by taking on larger, more impactful projects, stepping into leadership positions, and expanding your technical skill set within a fast-paced, innovative environment. You will be at the forefront of solving challenging problems and building reusable components that define the future of our product.
  • This role is ideal for an engineer who thrives on solving complex technical challenges, values transparency and collaboration, and is driven by a passion for innovation. If you are eager to make a tangible impact in a rapidly growing fintech company, this is the perfect opportunity to advance your career and contribute to a product that truly makes a difference.

Skills & Technologies

Go
Kotlin
PostgreSQL
AWS
Kubernetes
Backend
Remote

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Pleo Technologies ApS logo
Pleo Technologies ApS
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About Pleo Technologies ApS

Pleo Technologies ApS is a Danish fintech company that provides smart company payment cards and expense management software for European businesses. Its platform automates expense reports, receipt capture, and real-time spending oversight while integrating with accounting systems like Xero and QuickBooks. Founded in 2015 and headquartered in Copenhagen, Pleo serves tens of thousands of companies across the UK, Ireland, Germany, Spain, Sweden, and Denmark, helping finance teams reduce administrative overhead and gain visibility into employee spending.

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