Software Engineer II - APIs & Scalable Systems

EngineersOfAI; Amsterdam; Hybrid; EUR 85,000 - 110,000; Full time

Job summary

Adyen is seeking a software engineer to work on complex, large‑scale distributed systems. You will contribute to Java services, APIs, and data workflows that merchants rely on daily, while embracing robust engineering practices and scalable design.

You will join an office‑first team in Amsterdam, collaborating across Data Science, Frontend, and Product to deliver fast, quality features. 3+ years of experience and English proficiency are required.

Qualifications

• 3+ years of experience in software development in a fast paced tech environment.
• Full professional proficiency in English
• This role is based out of our Amsterdam office. We are an office‑first company and value in‑person collaboration (3 days in the office); we do not offer remote‑only roles.

Responsibilities

• 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.

Skills

Distributed systems

Java

Web Services

REST APIs

Webhooks

SQL/PostgreSQL

English proficiency

Job description

Adyen is seeking a software engineer to work on complex, large‑scale distributed systems. You will contribute to Java services, APIs, and data workflows that merchants rely on daily, while embracing robust engineering practices and scalable design.

You will join an office‑first team in Amsterdam, collaborating across Data Science, Frontend, and Product to deliver fast, quality features. 3+ years of experience and English proficiency are required.