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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer, Payments - **Company:** Airwallex - **Location:** Amsterdam, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Cloud Computing, Software Quality, Distributed Data Store, Distributed Systems, Hazelcast, Oracle (Applications), Prometheus, Software Engineering, Datadog, Statsd, ReactJS, Spring-boot, Reliability of Systems, Technical Debt, Backend, Kotlin, Event Driven Architecture, Build Management, Cassandra, Apache Kafka, Front End Software Development, Restful APIs, New Relic (SaaS), Docker, Microservices - **Published:** September 3, 2026 - **Apply:** https://nl.indeed.com/viewjob?jk=7d6ae7d7dfa2a66a ## About the Role * 10+ years of software engineering experience, including Staff-level technical leadership or equivalent ownership of complex backend systems. * Strong experience designing and operating high-volume distributed systems, preferably in payments, fintech, commerce, or financial infrastructure. * Recent hands-on experience with Java or Kotlin and Spring / Spring Boot. * Expertise building REST APIs, backend microservices, Kafka-based event streams, and distributed data stores such as Cassandra, Hazelcast, Oracle Coherence, or similar. * Experience with cloud platforms such as GCP or AWS, plus Docker and Kubernetes. * Strong familiarity with observability and operational tooling such as New Relic, StatsD, ELK, Datadog, Prometheus, or similar. * Proven ability to lead projects from concept to production with a focus on quality, testing, reliability, and maintainability. * Excellent communication skills and ability to influence across engineering, product, and business stakeholders., * Experience building payment gateways, acquiring platforms, issuing platforms, or payment acceptance infrastructure. * Experience integrating major card networks such as Visa and Mastercard. * Experience with local payment methods such as iDEAL, Klarna, Trustly, or similar. * Familiarity with authorization, capture, refunds, chargebacks, settlement, reconciliation, fraud, risk, or PCI/compliance workflows. * Experience mentoring senior engineers and leading cross-team technical initiatives. ## Description We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you're motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero-to-one ideas into real products, and you "get stuff done" end-to-end. You use AI to work smarter and solve problems faster. Here, you'll tackle complex, high-visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let's build what's next. About the team In our Payments Team, your responsibilities extend beyond delivering product features to achieving business outcomes. Your tasks will involve developing various REST services and integration components within a backend microservices architecture, connecting with our React frontend., We're looking for a Staff Software Engineer to help define the technical direction of our Payments platform, lead complex architecture decisions, and build highly reliable, high-volume distributed systems that directly impact merchant experience and business outcomes., * Lead the architecture and evolution of next-generation Payment Acceptance infrastructure. * Design and build scalable backend services, REST APIs, event-driven systems, and integration components within a microservices architecture. * Drive complex initiatives across payment gateways, acquiring, issuing, card networks, and local payment methods. * Partner with product, business, infrastructure, and external engineering teams to translate merchant needs into technical solutions. * Conduct architectural reviews, address technical debt, and improve system reliability, scalability, and operational effectiveness. * Raise the engineering bar through strong design practices, code quality, testing, observability, and mentorship. ## Related Videos - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) ## Related Articles - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023)