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Senior Backend Developer (m/f/d)

Permanent employee, Full-time · Berlin
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Deine Mission
As a Senior Backend Developer, your mission is to design, build, and continuously improve Bling’s backend infrastructure to ensure it is robust, scalable, and future-ready. You will take ownership of driving technical excellence across our systems, enabling our product to evolve smoothly as we grow. By optimizing performance, ensuring reliability, and introducing best practices, you will empower the Product Team to deliver outstanding experiences to our users. Ultimately, your work will be a cornerstone in shaping a resilient backend foundation that supports innovation, scale, and long-term success.
Deine Aufgaben
  • You develop and maintain high-performance backend services using Node.js and TypeScript.
  • You support the technical planning, architecture design, and backend API integration.
  • You optimize database performance with MongoDB, PostgreSQL, AWS, and Redis.
  • As a Senior Backend Engineer, you lead by example in code quality, best practices, and performance optimization, conducting thorough code reviews and mentoring team members.
  • You collaborate closely with designers, product managers, and the development team to deliver innovative solutions.
  • You continuously improve the backend infrastructure to support Bling's growth and vision.
Dein Profil
  • You have at least 4 years of experience in a backend development role, with strong expertise in Node.js and TypeScript.
  • You are proficient in working with databases such as MongoDB, AWS, and Redis, ensuring scalable and efficient data management.
  • You have hands-on experience with Docker or other containerization technologies, enabling smooth deployment and operations.
  • You thrive in a collaborative environment, working closely with cross-functional teams to drive innovation in financial education for families.
  • You are passionate about fintech and excited to contribute to a company like Bling that is transforming the banking world.
  • You are a strong communicator who can effectively collaborate, articulate technical concepts to both technical and non-technical stakeholders, and foster a transparent and supportive team culture.
Was dich erwartet
  • Play a key role in shaping Europe’s first Super-App for families, making a real impact on how families connect and thrive.
  • Enjoy a flexible hybrid work model with options to work from our Berlin office, from home, or remotely within Germany.
  • Work in a vibrant, modern office in the heart of Berlin Mitte, with great transport links, diverse lunch options, and a fully stocked kitchen with drinks, breakfast, and snacks.
  • Get set up for success with a MacBook and any additional equipment you need, ensuring you have everything you need to excel.
  • Grow rapidly through hands-on projects, internal workshops, and continuous learning opportunities.
  • Connect with your team through regular events that strengthen our culture and celebrate achievements.
  • Stay connected with an exclusive Bling Mobile plan offering premium mobile services and perks.
If you've read this far, you're probably interested. That's great! Because we want to get to know you and are looking forward to your application - feel free to apply via our website.
Apply for this job
Über uns
Wir sind Bling – eine der am schnellsten wachsenden Consumer Brands Europas. Unsere Mission? Familien den Alltag zu erleichtern und Kindern den besten Start ins Finanzleben zu ermöglichen.

Gegründet 2021 in Berlin, entwickeln wir die Super-App für Familien – mit digitalen Lösungen rund um Taschengeld, Finanzen, Nachhilfe, Versicherungen, Mobilfunk und mehr. Über 200.000 Kinder und Jugendliche nutzen Bling bereits im Alltag. Zum Bezahlen, Sparen, Lernen und Wachsen. Unterstützt werden wir von renommierten Investoren wie General Catalyst, PEAK, Owl Ventures sowie Persönlichkeiten wie Verena Pausder und Lea-Sophie Cramer. Was uns ausmacht? Wir denken groß und wachsen gemeinsam – mit gegenseitigem Empowerment und dem Ziel, die junge Generation stark für die Zukunft machen und der tägliche Begleiter für Millionen Familien zu werden.

Wenn du bis hierhin gelesen hast, bist du wahrscheinlich interessiert. Das ist großartig! Denn wir möchten dich kennenlernen und freuen uns auf deine Bewerbung – gerne per E-Mail, über LinkedIn oder über unsere Website.

Wir verpflichten uns zu Chancengleichheit bei der Beschäftigung – unabhängig von Hautfarbe, Herkunft, Religion, Geschlecht, Nationalität, sexueller Orientierung, Alter, Staatsangehörigkeit, Familienstand, Behinderung oder Geschlechtsidentität.
Your Mission
As a Senior Backend Developer, your mission is to design, build, and continuously improve Bling’s backend infrastructure to ensure it is robust, scalable, and future-ready. You will take ownership of driving technical excellence across our systems, enabling our product to evolve smoothly as we grow. By optimizing performance, ensuring reliability, and introducing best practices, you will empower the Product Team to deliver outstanding experiences to our users. Ultimately, your work will be a cornerstone in shaping a resilient backend foundation that supports innovation, scale, and long-term success.
What you'll be doing
  • You develop and maintain high-performance backend services using Node.js and TypeScript.
  • You support the technical planning, architecture design, and backend API integration.
  • You optimize database performance with MongoDB, PostgreSQL, AWS, and Redis.
  • As a Senior Backend Engineer, you lead by example in code quality, best practices, and performance optimization, conducting thorough code reviews and mentoring team members.
  • You collaborate closely with designers, product managers, and the development team to deliver innovative solutions.
  • You continuously improve the backend infrastructure to support Bling's growth and vision.
What we're looking for
  • You have at least 4 years of experience in a backend development role, with strong expertise in Node.js and TypeScript.
  • You are proficient in working with databases such as MongoDB, AWS, and Redis, ensuring scalable and efficient data management.
  • You have hands-on experience with Docker or other containerization technologies, enabling smooth deployment and operations.
  • You thrive in a collaborative environment, working closely with cross-functional teams to drive innovation in financial education for families.
  • You are passionate about fintech and excited to contribute to a company like Bling that is transforming the banking world.
  • You are a strong communicator who can effectively collaborate, articulate technical concepts to both technical and non-technical stakeholders, and foster a transparent and supportive team culture.
Why you should join Bling
  • Play a key role in shaping Europe’s first Super-App for families, making a real impact on how families connect and thrive.
  • Enjoy a flexible hybrid work model with options to work from our Berlin office, from home, or remotely within Germany.
  • Work in a vibrant, modern office in the heart of Berlin Mitte, with great transport links, diverse lunch options, and a fully stocked kitchen with drinks, breakfast, and snacks.
  • Get set up for success with a MacBook and any additional equipment you need, ensuring you have everything you need to excel.
  • Grow rapidly through hands-on projects, internal workshops, and continuous learning opportunities.
  • Connect with your team through regular events that strengthen our culture and celebrate achievements.
  • Stay connected with an exclusive Bling Mobile plan offering premium mobile services and perks.
If you've read this far, you're probably interested. That's great! Because we want to get to know you and are looking forward to your application - feel free to apply via our website.
Apply for this job
About us

We are Bling – one of Europe’s fastest-growing consumer brands. Our mission? To make everyday family life easier and give children the best possible start in managing their finances.

Founded in 2021 in Berlin, we are building the super app for families – offering digital solutions for pocket money, finances, tutoring, insurance, mobile services, and more. Today, more than 200,000 children and teenagers already use Bling every day – to pay, save, learn, and grow. We are backed by renowned investors such as General Catalyst, PEAK, Owl Ventures, as well as entrepreneurs like Verena Pausder and Lea-Sophie Cramer.

What sets us apart? We think big and grow together – with mutual empowerment and a clear goal: to empower the next generation for the future and become the everyday companion for millions of families.

If you’ve read this far, it probably means you’re interested — and that’s wonderful! We’d love to get to know you and are excited to receive your application. You can apply directly through our careerpage.

We are committed to providing equal employment opportunities — regardless of race, ethnicity, religion, gender, nationality, sexual orientation, age, citizenship, marital status, disability, or gender identity.


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