Jobbörse

Staff Engineer - Heartbeat AI (m/f/d)

Veröffentlicht am 05. Aug. 2026

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1KOMMA5°

Hamburg

EnglischDeutsch von Vorteil

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Job Fit

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Gehalt (Schätzung)

Grobe Schätzung: etwa 68.000 €/Jahr

Über diese Stelle

1KOMMA5°

At 1KOMMA5° , we pursue a clear vision: Living on wind and sunlight forever for free . To make this a reality, we are building the energy system of the future with Heartbeat AI. Want to be part of it?

We bring together regional craftsmanship and scalable software: We don't think of solar, batteries, heat pumps, and e-mobility as isolated components, but control them as an intelligent, integrated overall system in our virtual power plant. Directly connected to the electricity market – in real time, fully automated. This way, energy is used when it is available from renewables and particularly cost-effective. By 2030, our goal is to transition 1.5 million households to renewable energies. Over 3,000 people are working towards this every day, at more than 80 locations worldwide, from Finland to Australia.

Want to take responsibility and build solutions that truly matter? Apply now and help us shape the energy world of tomorrow.

Learn more about our Product & Tech team!

Deine Position

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

Technologies you will work with include:

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

You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen
With your work, you accelerate the "energy transition" and hence have a direct impact on our climate
Work with and learn from other super-smart colleagues
You will enjoy direct contact with core decision-makers
You will enjoy the best chances of entering full-time in one of Europe’s most thriving scaleups
You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich
Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
Benefits and discounts are yours with Futurebens
Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time
Individualised opportunities for professional development
Reporting directly to the CTO

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Eckdaten der Stelle

Arbeitgeber: 1KOMMA5°
Position: Staff Engineer - Heartbeat AI (m/f/d)
Stadt: Hamburg
Arbeitsmodell: nicht angegeben
Sprache: Englisch
Erfahrungsstufe: nicht angegeben
Veröffentlicht: 05. Aug. 2026
Quelle: XING

Bewertung des Unternehmens

Glassdoor 3,4
32 Bewertungen
Auf Glassdoor ansehen
Kununu 3,9
477 Bewertungen
Auf Kununu ansehen

Staff Engineer - Heartbeat AI (m/f/d)

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