Senior Engineer

Your opportunity

At Mollie, we’re on a mission to make payments and money management effortless for every business in Europe.

We started 20 years ago when we launched a more direct, affordable way for companies to get paid. That provided an alternative to the frustrating, overpriced solutions that banks offered at the time.

Today, we serve more than 250,000 businesses across Europe with an all-in-one solution that simplifies payments and money management. And we’re a 850-strong team of product, finance, support, commerce, and engineering specialists working across Europe – from Lisbon to London.

As a Senior Engineer, you'll be at the forefront of developing financial products that will shape the future of how businesses manage their finances. Along with expanding into new markets and handling an increasing volume of transactions, Mollie has recently introduced exciting new products to broaden our offering. You’ll have the opportunity to bring your ideas to life and contribute to these impactful projects. Mollie Capital offers easy access to flexible financing, providing funding to support growth and cash flow management. In-person payments, allows merchants to accept payments at their physical stores through our terminal and mobile app. These innovations are just the beginning, enabling Mollie to offer a seamless, all-in-one payment solution and money management platform.

Our Lisbon hub

Situated in the heart of Lisbon at Marques de Pombal, our team of 50+ engineers from 8 different nationalities, are all contributing to Mollie’s mission of delivering an outstanding Merchant Experience through our web and mobile app at the same time that we are scaling and enhancing our Payment Processing and Orchestration Platform This enables the launch of innovative Payments and Financial Products.

We take pride in our diverse, English-speaking culture that brings open minds to collaborate and solve financial challenges for our customers.

What You will Be Doing

• Building Large-Scale Systems: Help us design and engineer systems that can scale to handle high volumes of transactions.

• API and Service Development: Design, build, and maintain APIs, services, and systems across Mollie’s engineering teams.

• Tech Leadership: Lead technical initiatives from architecture design to implementation, ensuring engineering excellence.

• Problem-Solving: Utilize your creative problem-solving skills and analytical abilities to resolve complex issues and contribute to our mission of making financial processes effortless.

• Documentation and Knowledge Sharing: Create comprehensive documentation to facilitate domain knowledge sharing and set up optimised processes.

• Engineering Excellence: Own the code quality and engineering excellence and best practices of our systems. 

What You’ll Bring

• Always Be Shipping Mindset: It’s about consistently delivering value to customers, where speed and quality go hand in hand.

• 6+ years of experience in developing large-scale applications, preferably with PHP or Java. Experience with Go, C#, or Python is also valued but you are willing to work with PHP or Java.

• Proven experience in leading architectural decisions and technical initiatives, delivering end-to-end solutions, and optimising processes.

• Excellent communication skills, with experience working effectively with various stakeholders. Can explain complex problems and solutions in simple terms. 

• Creative problem-solving skills and the ability to shape ideas with a product-first approach, as well as analyse and resolve complex issues.

• Ability to hold yourself accountable for your tasks, and show a willingness to proactively identify and improve things, whether technical or business related. 

*Kindly note that relocation support is not offered for candidates outside of Europe for this role.