Senior Fullstack Engineer

New
C
CleraVoice AI
Fully remote, open to candidates based in Germany or Austria.Full-TimeSenior
Salary80,000 - 120,000 EUR per year
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Job Details

Languages
Native German speaker (required); fluent English.
Experience
5+ years of hands-on fullstack engineering experience
Required Skills
Node.jsTypeScriptNest.jsReactSaaS

Requirements

  • Have 5+ years of hands-on full-stack engineering experience delivering end-to-end features in SaaS products.
  • Demonstrate strong proficiency with TypeScript, React, and Node.js.
  • Bring experience with both backend and frontend development and a track record of shipping customer-facing applications end-to-end.
  • Have experience with NestJS; it is strongly preferred.
  • Be a native German speaker.
  • Be fluent in English for team and cross-functional communication.
  • Have experience collaborating directly with customers, partners, or sales teams to understand pain points and define product value.
  • Be comfortable with product discovery, forming hypotheses, running experiments, and using metrics for data-driven decisions.
  • Work autonomously and pragmatically, with the ability to prioritize scope while preserving value.
  • Bonus: experience integrating LLMs such as OpenAI into production applications.
  • Bonus: experience deploying AI services on cloud infrastructure in Europe.
  • Bonus: familiarity with GDPR and EU AI Act considerations.

Responsibilities

  • Build and ship full-stack features using NestJS and React, from prototype through production.
  • Own the full lifecycle of features, from initial concept to production deployment.
  • Engage directly with customers through support, feedback sessions, and user testing.
  • Identify and validate customer needs.
  • Break features into their highest-value parts and iterate using customer insights.
  • Contribute to feature and opportunity prioritization for the Voice AI product.
  • Form product hypotheses, run experiments, and use metrics to support decisions.
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80,000 - 120,000 EUR per year
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