KeyStep

Senior Software Engineer (Java)

Adyen
Madrid, Spain
about 1 month ago
full-time

Skills & Technologies

JavaAPIScalabilitySaaSComplianceOnboardingCoachingMentoring

Job Description

This is Adyen

Adyen provides payments, data, and financial products in a single solution for customers like Meta, 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. We 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.

Financial Products

Adyen is expanding beyond payments by building an entire suite of embedded financial services tailored for platforms, marketplaces, SaaS businesses, on-demand platforms, and crowdfunding platforms. Our team’s mission is to enable these platforms to manage their global payments and financial services seamlessly through API integrations or hosted solutions.

With our solutions, platforms can

Run onboarding, verification, and compliance processes across multiple markets.

Manage payments and trigger faster payouts and bank transfers in all preferred currencies.

Offer value-added services like capital lending and the issuing of payment cards and bank accounts.

Our team is responsible for developing the technology behind this unified platform, focused on several different areas.

Your role

You will build and maintain our distributed high-performance platform.

You will contribute to architectural design decisions and ensure the scalability of our platform.

You will help develop teammates, mentoring and coaching junior engineers and peers while maintaining a feedback loop to foster both your and their continuous growth.

You will be part of a diverse and inclusive team.

We launch fast and iterate often. Concretely, this means that within your first few weeks, you will bring code live that impacts many businesses and

Company & Role Analysis

JobSeeker+
Likely perks
Private MedicalPension25+ Days HolidayStock OptionsLearning BudgetFlexible Hours
Culture & working style

Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.

Market salary range

£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)

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