Senior Staff Engineer

Join bonify, Germany’s leading platform for credit scoring and financial management. We are on the mission to revolutionize the Fin Tech industry and make the credit score and financial data available and transparent for our users. We are seeking a talented Senior Staff Engineer to join our dynamic team in Berlin.

We’re hiring a Senior Staff Engineer to shape the future of our AWS-based platform and provide technical leadership across the engineering organization.

This role goes beyond backend development. You’ll drive architecture, platform strategy, cloud evolution, and engineering standards with an end-to-end mindset
. We expect strong partnership across the stack and departments to deliver high-quality, reliable outcomes.

You will act as a force multiplier across teams, setting technical direction while staying hands‑on where leverage is highest.

• Define and evolve the long-term technical vision for backend services, platform capabilities, and cloud architecture
• Lead cross-domain architectural initiatives spanning multiple teams and business areas
• Drive modernization efforts that improve scalability, reliability, security, and developer productivity
• Establish architectural principles, engineering standards, and technical governance practices
• Guide major technology decisions including service boundaries, runtime choices, deployment models, and platform investments
• Evaluate emerging technologies and determine where they create meaningful business value

• Act as a senior authority on AWS architecture, operational excellence, and cloud-native system design
• Define best practices for AWS services including Lambda, ECS/Fargate, API Gateway, Event Bridge, SQS, SNS, DynamoDB, RDS, Cloud Front, and related platform services
• Drive improvements in cloud security, resilience, disaster recovery, observability, and compliance readiness
• Lead cloud cost optimization initiatives and establish sustainable operational practices
• Influence Infrastructure-as-Code, deployment automation, and platform engineering strategy
• Partner closely with infrastructure and security teams to evolve our platform capabilities

• Raise engineering quality through architectural reviews, design guidance, and technical mentorship
• Improve system observability, incident response, operational readiness, and reliability engineering practices
• Reduce organizational complexity through standardization, reusable platform capabilities, and stronger engineering defaults
• Drive pragmatic decision‑making around technical debt, modernization, and platform investments
• Establish frameworks for measuring and improving engineering effectiveness

• Partner with product, design, data, frontend, and infrastructure teams to align technical strategy with business goals
• Help teams make better technical decisions through coaching, reviews, and architectural consultation
• Improve end-to-end developer experience through shared tooling, contracts, APIs, and platform capabilities
• Act as a trusted advisor to engineering leadership on technical risk, roadmap planning, and organizational scaling

• Contribute to frontend and full-stack architecture discussions where needed
• Help establish patterns for frontend-backend integration, shared contracts, performance, and reliability
• Occasionally contribute hands-on across the stack to unblock critical initiatives or validate architectural approaches
• Drive improvements to end-to-end customer experience, not just backend systems

• Deep expertise designing, building, and operating production systems on AWS at scale and services like
  • Lambda
  • API Gateway
  • Event Bridge
  • SQS / SNS
  • ECS / Fargate
  • DynamoDB
  • RDS
  • IAM
  • Cloud Watch
  • Cloud Front
  • Route
    53
  • VPC networking
• Strong hands‑on experience with serverless architectures, event-driven systems, and modern cloud‑native platforms
• Strong understanding of cloud security, compliance, resilience, disaster recovery, and cost optimization
• Experience defining cloud architecture standards and governance practices

• Expert‑level Type Script experience in backend and…