Demo

Senior Software Engineer, Security

Adyen
Chicago, IL Full Time
POSTED ON 12/16/2025
AVAILABLE BEFORE 3/2/2026
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.

Security at Adyen

We took an unobvious approach to starting a payments company, building a platform from scratch. Today, we're the payments platform of choice for the world's brightest companies. Our unobvious approach is a product of our diverse perspectives. This diversity, of backgrounds, cultures, and perspectives, is essential in helping us maintain our momentum. Our business challenges are unique, we need as many different voices as possible to join us in solving them - voices like yours. So no matter where you’re from, who you love, or what you believe in, we welcome you to be your true self at Adyen.

At Adyen security is paramount. That's why we're building a new Software Security Engineering team dedicated to empowering our product developers. This team will own mission-critical, security-first frameworks and products, making it straightforward and efficient for our teams to build inherently secure and compliant financial technology on the Adyen platform. You and your team will be responsible for the execution of the Security engineering roadmap and vision. All Adyen engineers will use the frameworks your team builds and maintains- a great opportunity to make an impact on the Adyen platform.

What You'll Do

  • Collaborate across teams and time zones to get projects over the finish line.
  • Lead complex technical projects from requirements analysis through design, implementation, testing and launching into production.
  • Be a builder and advisor; contribute to the implementation of our engineering solutions and offer technical guidance/mentorship to other engineers.
  • Identify and improve parts of our platform to make it more robust and scalable.
  • Build engineering features and solutions with scalability and availability at the forefront.
  • We launch fast and iterate often. Within your first few weeks, you will bring live functionalities that impact many merchants and shoppers.

Who You Are

  • You have between 3-8 years of professional experience as an engineer and are currently working as a Software Engineer or at a similar level, with strong, object-oriented design and coding skills in Java.
  • You have a demonstrable passion for security. Experience in security engineering (e.g. the building of input validation frameworks; file upload frameworks; rate limiting standards) is preferred.
  • You have a strong sense of ownership, helping you move projects forward independently and make a meaningful impact.
  • You have great communication skills and the ability to articulate complex technical concepts in front of different stakeholders.
  • You are familiar with complex and large scale distributed systems.
  • You are flexible, a team player and someone with an eye for detail.
  • You are experienced in leading technical projects in a fast paced environment.
  • Open to some domestic and international travel.

Our Diversity, Equity and Inclusion commitments

Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen.

Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application!

What’s next?

Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility.

Adyen is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status.

All your information will be kept confidential according to EEO guidelines.

The annual base salary range for this role is $154,000 - $200,000; to learn more about our compensation philosophy, please click here.

This role is based out of our Chicago office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.

This is a full time position and does require working the occasional holiday and/or weekend to ensure business continuity.

Salary : $154,000 - $200,000

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