Software Engineer II (Java) - Financial Products

Software Careers; Amsterdam; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Adyen is seeking a software engineer to work on complex, distributed systems that power our financial products. You will implement APIs, services, and tooling that scale for merchants worldwide, collaborating across teams and time zones to deliver robust solutions.

You should be proficient in Java, REST APIs, and Webhooks, with strong SQL/PostgreSQL skills and a passion for quality software practices. This role would suit someone who enjoys fast iteration and thoughtful engineering.

Qualifications

• Experience with Java, Web Services, REST APIs, and Webhooks.
• Strong SQL/PostgreSQL knowledge and data modeling skills.
• Familiarity with large-scale distributed systems and performance concepts.

Responsibilities

• Develop APIs and tooling with quality, performance, and scalability in mind.
• Collaborate across teams to deliver end-to-end features for merchants and platforms.
• Contribute to design and implementation from requirements through production.

Skills

Java

REST APIs

Web Services

Webhooks

SQL/PostgreSQL

Distributed systems

Job description

Adyen provides payments, data, and financial products in a single solution for customers like Facebook, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. The people of Adyen are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. The Financial Products solution is responsible for all financial products that we offer on top of payments processing to our customers. Examples of these are our Banking, Issuing, Fx, and Capital products. Whether we work with large partner platforms, medium sized local merchants, or major international enterprise businesses, our products need to meet our clients expectations and seamlessly fit into their systems.

What you’ll do:

Work on complex technical projects from requirements analysis through design, implementation, testing and launch into production. Be hands‑on and contribute to the implementation. Identify and improve parts of the platform to make it more robust and scalable. Bring your own point of view on best engineering practices. Your code will be used at scale and you are expected to think in that mindset when building features. We launch fast and iterate often. Concretely, this means that within your first few weeks, you will bring live functionalities that impact many merchants and shoppers. Build APIs and tooling according to quality principles such as performance and code quality. Collaborate across teams and time zones to get projects over the finish line.

Who you are:

Familiar with complex large scale distributed systems. You have experience with Java, Web Services, REST Apis, Webhooks and SQL/PostgreSql. You have a good understanding of Software Engineering practices and interest in product knowledge. You enjoy working in a cross‑functional team with roles like Data Science, Frontend, and Product. You value involving other people to hear different perspectives. You have an experimental mindset with a launch fast and iterate mentality.