Job
- Level
- Senior
- Job Field
- Web, Data, Full Stack
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Salary
- from 85.000 € Gross/Year
- Location
- Vienna
- Working Model
- Hybrid, Onsite
Job Summary
In this role, you will develop AI-native systems, implement multi-step agentic workflows, and integrate LLMs into production while collaborating closely with Product and Design to create innovative solutions.
Job Technologies
Your role in the team
We're looking for a highly skilled Senior Full Stack Engineer who is excited about building in an AI native, agentic world.
This is not a traditional frontend or backend role! It's for engineers who:
- use AI coding tools (Claude Code, Cursor, Copilot, etc.) as a force multiplier,
- think in terms of systems, workflows, and agents, not just endpoints and screens,
- can turn ambiguous product problems into working, production-ready solutions,
- want to help evolve our platform toward an agent-driven future in healthcare.
You'll work closely with Product, Design, and other engineers to re-imagine how our systems are built, extended, and operated as AI becomes a first class part of the development process.
Build AI Native Systems
- Design, implement, and operate backend and fullstack systems that incorporate LLMs, tools, and agents as core components;
- Build agentic workflows (multi-step, tool-using, stateful systems) that solve real product and operational problems;
- Integrate LLMs safely and reliably into production systems, with attention to observability, cost, and failure modes.
Engineer with AI as a Partner
- Use modern AI coding tools (e.g., Claude Code, Codex, Pi, Cursor) to accelerate development, refactoring, and exploration.
- Set patterns and standards for how AI is used in day-to-day engineering work.
- Help the team move faster without sacrificing quality or clarity.
Product Driven Engineering
- Collaborate closely with Product Management, Design, and other stakeholders to shape solutions, not just implement specs;
- Translate high level goals into technical architecture and execution plans;
- Contribute to roadmap discussions with a strong systems and platform perspective.
Own the System End to End
- Design APIs, services, and data models (primarily backend leaning);
- Ensure reliability, security, privacy, and scalability in a regulated healthcare context.
- Operate and observe the system's behaviour in the real world;
- Improve developer experience and internal tooling where it unlocks leverage.
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Our expectations of you
Qualifications
Required
- Clear enthusiasm for the capabilities and opportunities of AI and agentic systems
- Strong system design skills and comfort working in ambiguous problem spaces
- Ability to communicate clearly with technical and non-technical stakeholders
Strong Plus
- Familiarity with healthcare, regulated products, or safety critical systems
What We Care About (Beyond the Resume)
- You're curious and opinionated about where software development is going
- You ship and you iterate based on real world feedback
- You don't wait for perfect specs; you help create them!
- You see AI as a new abstraction layer, not a gimmick
Experience
- 7+ years of experience as a Software Engineer, with strong knowledge of major parts of our tech stack (AWS, Java, Typescript, Python)
- Strong experience in building with LLMs in production, not just prototypes
- Experience designing, building, and operating long-running workflows, background jobs, or distributed systems.
- Startup or fast moving product environment experience
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Job Locations
Topics that you deal with on the job
This is your employer
9amHealth
As a digital health startup, 9amHealth offers specialized virtual treatments for conditions such as diabetes and obesity. The company combines personal care with cutting-edge technology to provide holistic support to patients.
Description
- Company Type
- Startup
- Working Model
- Hybrid, Onsite
- Industry
- Healthcare, Social Sector