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Your Opportunity: At Mollie, we’re on a mission to make payments and money management effortless for every business in Europe. Serving more than 250,000 businesses across the continent, we aim to cut through financial bureaucracy that hinders great ideas from growing. Our belief is that accepting payments, driving revenue, accessing capital, and managing money should be seamless for our merchants. 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. What You will Be Doing: Building Large-Scale Systems: Designing and engineering systems that can scale to handle high volumes of transactions. Developing Products Our Customers Love: Iterating from an idea to the final solution, shaping, building, testing, and measuring the performance of the features our customers love. Mentorship: Providing guidance and support to junior team members, fostering their growth through mentoring, knowledge-sharing, and hands-on collaboration. Tech Leadership: Leading technical initiatives from architecture design to implementation, ensuring engineering excellence. Problem-Solving: Utilising 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: Creating comprehensive documentation to facilitate domain knowledge sharing and set up optimised processes. Engineering Excellence: Owning 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. Experience in mentoring junior developers and implementing strategies to drive team growth and skill development. 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.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.