Backend Engineer

About the role

As a Backend Engineer at lemon.markets you will play a key role in designing the backend services and architecture of our brokerage API platform that allows other companies to easily embed investing into their product. You will take ownership of features and services end to end in cross-functional teams, ensuring they run smoothly on production.

What you'll do

• Focus on areas of the Customer Lifecycle, Investing or Banking processes - making sure our Core Platform & Systems around it are reliable & scalable.
• Design and implement highly scalable architecture and reliable REST APIs.
• Design, build and operate reliable and scalable backend systems as part of a cross-functional team.
• Write high-quality code that is understandable, maintainable and well tested, and guide other engineers to do the same via code reviews.
• Take ownership of problems and act on them decisively with no supervision.

What you'll need

• Ability to write well-structured and tested code in more than one high-level programming language like Python, Golang, Java or Ruby, plus another language such as Javascript or Typescript.
• Experience in designing and implementing highly scalable architecture and reliable REST APIs.
• Good experience with software in a cloud environment (AWS, GCP, Azure) and the architectural patterns for this environment.
• Good understanding of more than one document-based or relational database technology such as MySQL/PostgreSQL or MongoDB.
• Good problem-solving skills and the ability to provide in-depth evaluations and analyses of unique and complex technological issues.
• Track record of designing, building and operating reliable and scalable backend systems as part of a cross-functional team.

Nice to have

• Prior experience in a Fintech or financial Service provider.
• Experience working in a startup or similar lean organisation.

What they offer

• Competitive salary based on your experience and value-add.
• Flexible working hours with shared core hours from 12:00 to 16:00.
• Hybrid work setup in Germany with 4+ days per month on-site in Berlin.
• Regular mentorship, stretch opportunities, and clear career development framework.
• Deutschlandticket sponsorship and 50% off Beatvest financial education.
• Workation opportunities.