Senior Backend Engineer

As a Backend Engineer, you will contribute to building and evolving our fintech product. Working alongside our CTO and senior engineers, you'll help design and implement the backend services that power our platform. You'll have the opportunity to learn from experienced colleagues while taking ownership of meaningful features and growing your skills in a fast-paced environment., * Owning end-to-end development of backend services and APIs within our microservices architecture

• Designing and implementing event-driven workflows for complex financial operations
• Building performant Node.js services that handle real-world scale
• Shaping our data layer-schema design, query optimization, and data modeling in

PostgreSQL

• Driving integrations with third-party financial services and APIs
• Improving code quality and engineering practices through reviews and technical discussions
• Shipping features alongside product and frontend teams, from concept to production

Do you have experience in Relational databases?, * Node.js Proficiency: Solid experience with Node.js (Express, NestJS, or similar) for building backend services. You understand async patterns and can write clean, maintainable code.

• SQL Database Experience: Comfortable working with relational databases (PostgreSQL preferred). You can write efficient queries and understand basic schema design.
• API Development: Experience building and consuming RESTful APIs.
• Microservices Familiarity: You've worked with microservice-based systems and understand the basics of service communication and distributed systems., * Experience with event-driven architectures and messaging systems (Kafka, RabbitMQ, or Pub/Sub)
• Exposure to GCP or other cloud platforms (AWS, Azure)
• Familiarity with containerization (Docker)
• Understanding of CI/CD practices
• Knowledge of authentication/authorization patterns (OAuth 2.0, JWT)

Mindset & Approach

• Eager to Learn: You're curious, ask good questions, and actively seek to improve your skills.
• Ownership Mentality: You take responsibility for your work and follow through on

commitments.

• Team Player: You collaborate well with others, are open to feedback, and communicate clearly.
• Problem Solver: You enjoy debugging issues and figuring out how things work.
• Attention to Detail: You care about code quality and think through edge cases.

• Competitive salary
• Participation in our employee options programme
• On-site in Berlin, with flexible remote work as you see fit
• High autonomy, low politics, fast decision-making
• The chance to help build something new, with real influence on how people buy homes in Germany!

We're building a new kind of mortgage experience: transparent, digital, and truly customer-centric. We are a Berlin-based B2C Fintech founded by two repeat founders (YC alum, exit) with prior 10+ year careers in investment banking and strategy consulting. We recently raised investment to assemble a 30-person, exceptionally strong core team. Our culture is built on ownership and clarity. We align with you on vision, set clear KPIs and resources together, and then trust your drive and expertise., We are an equal opportunity employer. We value diversity and are committed to an inclusive environment for all employees. If you are excited about the role but don't meet 100% of the requirements, we would still love to hear from you.   If you require alternative methods of application or screening, you must approach the employer directly to request this as Indeed is not responsible for the employer's application process.