Technical Support Specialist

Mollie; Maastricht; On-site; EUR 45,000 - 65,000; Full time

Job summary

Mollie is looking for a technical support specialist for its Maastricht office. You will be the definitive technical voice for customers, handling complex API integration issues and plugin support. You will work closely with Product, Engineering, and Customer Success to deliver reliable Mollie integrations.

Join a fast-growing fintech with a global platform, and help merchants run their businesses smoothly by providing expert guidance and clear technical assistance.

Qualifications

• Analytical mindset with ability to troubleshoot complex technical issues.
• Experience applying problem solving to technical support in API integrations.
• Clear, concise communication for diverse audiences.

Responsibilities

• Deliver direct technical support for custom API integrations and plugins through email and phone.
• Advise customers and partners on the best technical implementation of Mollie for their unique systems.
• Act as the primary point of contact and escalation for complex technical questions from internal teams.

Skills

Analytical thinking

Problem solving

Strong communication

English + another language

Tools

Postman

PHP basics

Job description

Build with us

Businesses deserve better from finance. Less friction, more freedom. Since 2004, Mollie has been on a mission to make payments and money management effortless for every business in Europe.

Today, more than 250,000 companies trust our all-in-one platform to get paid, manage money and grow on their terms. Simple, scalable and built with real businesses in mind.

We're one of Europe's fastest-growing fintechs, with 900+ Mollies across 12+ locations. Our people make this growth possible. We move fast, build with purpose and care deeply about our customers. Whether you're solving problems, building market-leading products or exploring how AI can make work smarter, you'll have the freedom to create and the trust to deliver.

If you're ready to grow, shape the future of fintech and join an ambitious, high-performing team, this is the place for you.

Your impact

Join our small, high-impact technical support team in our Maastricht office and be the definitive technical voice for our customers and partners. The goal of this role is simple: make sure our customers can run their business effectively by resolving the most complex technical matters, primarily focused on the integration of Mollie products and services. You are the critical link between our customers, internal customer representatives, and our Engineering teams.

You’ll deliver technical expertise for custom API integrations and plugins, helping customers implement Mollie optimally for their specific setup. This role has high visibility across Product, Engineering, and Customer teams, giving you meaningful ownership and autonomy to solve problems and drive improvements to the technical product and merchant experience. This is a chance to move fast in fintech, solve real integration challenges, and grow your career within a great team environment.

What you’ll ship

• Deliver direct technical support for custom API integrations and plugins through email and phone.
• Advise customers and partners on the best technical implementation of Mollie for their unique systems.
• Act as the primary point of contact and escalation for complex technical questions coming from internal teams (Sales, Customer Success, and Customer Support).
• Drive continuous improvement by actively providing feedback to the business via Subject Matter Expert (SME) channels to enhance our technical products.
• Develop and deliver internal technical training and documentation to upskill other teams and departments.
• Quickly prioritize tasks and make sound decisions based on urgency and stakeholder needs to resolve critical issues fast.

What you’ll bring

• Proven ability to apply strong analytical and effective problem-solving skills in a technical support context.
• Proficiency in interacting with RESTful APIs, including hands-on experience with request/response debugging using tools like Postman.
• Basic familiarity with reading and interpreting PHP code for troubleshooting and issue analysis.
• Required knowledge of Webshop Technologies or Prebuilt Integrations, such as Woocommerce, Magento and Shopware.
• Excellent communication skills, capable of distilling complex technical issues into clear, easy-to-understand messages for diverse audiences.
• Fluency in English plus one other language (NL, FR, DE, ES, or PT).

Grow your way

At Mollie, growth is personal. We believe everyone should have the chance to develop their skills, explore new challenges and shape their career on their own terms.

You’ll get regular feedback and performance reviews to support your development, with fair and transparent salary reviews along the way. Many Mollies move into new roles or take on new projects to stretch themselves, and we actively hire from within to help you take the next step.

No matter if you’re aiming for promotion, exploring a different career path or building new skills, you’ll be supported with the tools, trust and opportunities to grow your way.

Unlock your full potential and join us to eliminate financial bureaucracy

Want a peek behind the scenes? Check out what life at Mollie is really like.

AI at Mollie

We believe in Always Be Shipping, and AI brings that philosophy to life across every team, every role, every day

AI is core to how we build. It helps us move faster, simplify work and make smarter decisions, creating real impact for the businesses we serve. We're looking for people who are excited to use AI to shape the future of finance with us.