Backend engineer in fintech

About Lemon.markets 🍋 We enable anyone to be an investor. Our mission is to grow investing opportunities for all European customers and businesses. By empowering FinTechs, banks, and wealth managers to offer investment products, we help create financial well-being for their customers. lemon.markets is a Brokerage-as-a-Service platform: simple digital access to capital markets through a single API.

• designing the backend services and architecture of our brokerage API platform that allows other companies to easily embed investing into their product.
• independently build and deliver high-quality features and services within a cross-functional team, from implementation through production.
• take ownership of your team’s deliverables, make thoughtful implementation choices based on product context and customer needs, and help ensure that the systems you work on are reliable, maintainable and ready to scale.
• helping us maintain and improve the Core Platform & Systems around them.
• make a meaningful contribution to the development of our core Platform & Systems and to the technical decisions within your team.
• guide other engineers to do the same via code reviews.

• You write well-structured, maintainable and well-tested code in at least one modern programming language, such as Python, Go, Java, Ruby, JavaScript or TypeScript.
• You have experience in designing and implementing highly scalable architecture and reliable REST APIs and bring the desire to make them world-class.
• You’ve gained good experience with software in a cloud environment (AWS, GCP, Azure) and the architectural patterns for this environment.
• You have a good understanding of any of these document-based or relational database technology such as MySQL/PostgreSQL.
• You know how to write high-quality code that is understandable, maintainable and well tested
• you're embracing AI tooling and are actively incorporating it into your daily workflow
• You have good problem-solving skills and the ability to provide in-depth evaluations and analyses of unique and complex technological issues.
• You have a track record of designing, building and operating reliable and scalable backend systems as part of a cross-functional team.
• You see yourself as a product engineer. That means, you are excited by solving customer problems and strive to become an expert in the domain area you are working in.
• You enjoy building from scratch. This means high involvement in the product development process itself while advocating for the best engineering practices. It also means that you enjoy taking technical decisions.
• You are ready and willing to take ownership of problems and act on them decisively with no supervision.
• You are a team player. Working together as a team, sharing knowledge & providing mentorship comes naturally to you.
• You have no problem with learning new technologies on the go.
• You understand what working in a startup or a similar lean organisation is like. You are able to work with a small team in a lean environment, can move quickly and focus on what's truly important.
• Будет плюсом: We operate in a highly regulated environment and therefore having worked prior in a Fintech or financial Service provider would give you a head start, but is not a must; Long term - you consider becoming a team lead

• We offer you a competitive salary, based on your experience and the value-add you bring to lemon.markets.
• We trust people to choose when they work best and avoid a rigid 9 to 5 mindset. You decide on the rhythm that helps you do your best work, with only shared core hours from 12:00 to 16:00 to support collaboration.
• You can work from anywhere in Germany within a hybrid model. At the same time, in-person collaboration is a key part of our culture. That being said, individual contributor lemoneers work 4 days or more per month on-site in our Berlin office, spending quality time together with the team at events, onsites/offsites or over team dinners.
• You’ll get regular mentorship and stretch opportunities, plus a clear career development framework with frequent feedback conversations so you always know where you stand, and what to do to level up.
• We sponsor a Deutschlandticket for employees on unlimited contracts, plus 50% off on Beatvest - our partner for financial education and investing.
• At lemon.markets you can work remotely from anywhere in the EU for up to 10 consecutive days at a time, and up to 60 days per year in total.