Senior Backend & DevOps Engineer (Typescript, Kubernetes & GCP) f/m/d

Your mission About Us 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. The Opportunity Buying property (and financing it) is probably the biggest financial decision in someone's life. It's complicated and opaque. As a Senior Backend / DevOps Engineer, you will work alongside our CTO on building and evolving our fintech product. Our core architecture and cloud infrastructure are already in place and running in production — you’ll spend roughly 70% of your time shipping backend features and 30% on infrastructure and operations. You’ll have significant autonomy to shape how we build, deploy, and scale. Your profile What You’ll Do Developing backend features and APIs within our microservices architectureDesigning and implementing event-driven patterns and workflow orchestrationWorking with PostgreSQL — schema design, migrations, query optimizationIntegrating with external APIs (mortgage platforms, CRM, document processing)Extending cloud infrastructure (Terraform, Helm) for new services and capabilitiesImproving CI/CD pipelines and deployment processesImplementing monitoring, logging, and observability systemsOptimizing system performance, reliability, and scalabilityCollaborating on technical decisions and architecture evolutionEnsuring code quality, security, and operational best practices Our Stack Backend: Node.js, TypeScriptDatabase: PostgreSQL, RedisOrchestration: Temporal for durable workflowsArchitecture: Event Driven Microservices ArchitectureMonitoring: Prometheus & GrafanaCloud: GCPInfrastructure: Terraform, Helm, GitHub Actions CI/CD, CloudflareAI/ML: LLM integrations What You Bring Hard Requirements Strongly-Typed Backend Language: Strong proficiency in at least one strongly-typed, compiled or strictly-typed language (e.g., Go, TypeScript, Rust, Java, C#, Kotlin) for building high-performance backend services. Solid grasp of async patterns, concurrency, and performance optimization.Event-Driven Architecture: Deep, hands-on experience designing and implementing event-driven systems with messaging patterns (Kafka, RabbitMQ, GCP Pub/Sub, or Redis Streams). You understand eventual consistency, saga patterns, and can articulate trade-offs.Microservices Architecture: Proven track record building, deploying, and scaling microservice-based systems in production. You know when to split services, how to handle distributed transactions, and how to avoid common microservices pitfalls.GCP Hands-On Experience: Real production experience with GCP, not just familiarity. You’ve worked with GKE, Cloud SQL, Memorystore, Cloud Storage, Secret Manager, and can navigate the GCP ecosystem confidently. Additional Technical Skills Extensive experience with SQL databases (PostgreSQL preferred)Strong foundation in RESTful API designProficiency with containerization (Docker) and orchestration (Kubernetes)Experience with CI/CD tools (GitHub Actions, Cloud Build, or similar)Infrastructure as Code with Terraform or similar toolsNode.js/TypeScript experience is a plus (our current backend stack)Understanding of observability: structured logging, distributed tracing, metrics, and alertingKnowledge of API security, authentication/authorization (OAuth 2.0, JWT), and data protectionExperience with workflow orchestration (Temporal or similar) is a strong plus Mindset & Approach0→1 Production Experience: You’ve been through production launches before and know what it takes — setting up infrastructure, handling edge cases, ensuring reliability, and managing the inevitable surprises.Pragmatic Perfectionism: You balance technical excellence with business velocity, you know when to refactor and when to ship quickly.Ownership Mentality: You’re proactive, resourceful, and accountable for your work, you don’t wait to be told what to do.Team Player: You collaborate well with others, give and receive feedback gracefully, and elevate those around you.Systems Thinking: You understand how components interact, design for reliability and maintainability, and think beyond your immediate feature.Clear Communication: You can explain technical decisions to non-technical stakeholders, document your work, and participate constructively in technical discussions.Continuous Learner: You stay current with industry trends, experiment with new technologies, and are energized by technical challenges. Why us? What We Offer Competitive salary: €85,000 - €100,000Participation in our employee options programmeOn-site in Berlin, with flexible work from home (1-2 days per week) and remote work on a case by case basis.High autonomy, low politics, fast decision-makingThe chance to help build something new, with real influence on how people buy homes in Germany! About Us 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.