Staff Engineer

Who you are

• AI-assisted development with Cursor and agentic coding workflows
• Cloud & Infra: Google Cloud Platform, GKE (Kubernetes), Cloud Run, Terraform/IaC, Vercel
• Messaging & IoT: Eclipse Hono, MQTT, Mender
• Data & BI: PostgreSQL, BigQuery, SQLMesh, Looker
• Observability: Datadog, OpenTelemetry
• Languages: TypeScript (Nest.js, Next.js), Java, Go, Flutter
• DevOps: CI/CD pipelines (GitHub Actions)
• Linear, Notion, Figma, Miro
• Extensive hands-on experience in software development with multiple general-purpose programming languages for a minimum of 5 years
• A proven track record of architecting scalable and secure systems, demonstrating a strong commitment to quality
• Extensive experience in designing and implementing APIs that enable seamless integration and system communication
• An agile and result-oriented mindset, with a strong emphasis on collaboration and teamwork
• Experience communicating with stakeholders in business terms and understanding the technical implications of their requirements
• Experience driving technical alignment within a team in fast-paced environments, including making and following through on critical technical decisions
• Experience designing systems and APIs for agent consumption, with structured errors and clear contracts that let agents self-correct
• Capability to guide an engineering team through the shift to agentic engineering, reshaping workflows so agents execute safely while humans stay accountable for every outcome
• Experience architecting AI/ML-driven or data-intensive systems (e.g. forecasting, real-time data pipelines), ideally in an energy or IoT context
• Strong verbal and written communication skills in English, with proficiency in German considered a plus

What the job involves

• Own technical direction across Heartbeat AI's engineering domain (Mobile Apps, Energy Data, IoT Platform, and beyond), keeping architecture aligned with product direction
• Accountable for consistent execution of technical decisions within your domain, setting clear direction and holding the team accountable for implementation
• Set the technical bar for the team, stepping into the hardest problems yourself rather than just directing others
• Translate business and product requirements into technical solutions
• Mentor and challenge engineers within Heartbeat AI to accelerate their growth
• Build a high-performing engineering culture within the Heartbeat AI team
• Embed security and reliability as direct customer value
• Architect our systems and APIs so AI agents operate as first-class users with machine-readable contracts and structured errors that let agents self-correct
• Drive Heartbeat AI's shift to agentic engineering, reshaping how the team works so agents execute safely while humans stay accountable
• Own the architecture of the AI systems that power the product itself, from our EMS to our energy tariff
• Reporting directly to the CTO

Benefits

• You have the opportunity to work in our brand new offices in downtown Hamburg and Berlin and/or remotely
• Use your technical equipment outside of work in your free time
• You are part of a fast-growing company with a lot of development potential , where you can build something independently and feel your impact
• Work in flat hierarchies , take on responsibility during your induction and work directly with parts of the management
• With your work, you support the megatrend “energy and mobility transition” and make a concrete contribution to the sustainable restructuring of our energy infrastructure
• Be active and use the offers of over 7,600 sports partners with the EGYM Wellpass