Full Stack Engineer at Worldwide Placement Limited | BE, DE | Rezi

Full Stack Engineer at Worldwide Placement Limited

Full Stack Engineer

Worldwide Placement Limited · BE, DE

1 weeks ago

Full Stack Engineer

Worldwide Placement Limited · BE, DE

11 days ago
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About the Role

They relieve psychotherapists of administrative burdens through intelligent AI assistance, giving them more time for what matters most: working with patients and providing high-quality therapy.

Responsibilities

  • Own features end to end, from problem definition through architecture, implementation, release, and subsequent fixes, covering frontend, backend, and everything in between.
  • Make and defend technical decisions, including library selection and feature architecture.
  • Integrate AI into the product, building dependable systems around probabilistic output from AI services.
  • Build real-time features with WebSocket-based live capabilities where latency is user-visible.
  • Ship on both desktop (Electron app) and mobile (React Native app).
  • Iterate quickly with continuous deployment and short cycles, ensuring design controls and traceable test evidence for surfaces under EU MDR.
  • Take initiative in creating and implementing tickets end-to-end.

Requirements

  • Genuinely full-stack with strong React and TypeScript on the front end, and backend experience including API design, data modelling, relational databases, and async/background processing.
  • Experience shipping and supporting software that real users depend on, understanding production issues.
  • Strong debugging skills across the entire stack.
  • Demonstrated autonomy: ability to identify needs, make decisions, and ship solutions independently.
  • Empathy for users, specifically therapists under time pressure.
  • Clear written English and comfort with asynchronous communication.
  • Experience with React, TypeScript, and API design.
  • Experience with data modelling and relational databases.
  • Experience with async processing.
  • Experience with LLM application engineering, including evaluation, prompt pipelines, agent tooling, and latency/cost optimization.
  • Experience with Electron or another desktop platform, including distribution, code signing, and auto-update.
  • Experience with React Native and publishing to app stores.
  • Experience with audio processing, transcription, or other real-time media.
  • Experience in healthcare, GDPR-heavy, or other regulated environments.
  • German language proficiency.
  • Over 5 years of experience.
  • Strong autonomy, ambition, drive, and curiosity about the domain.

Skills

  • Full Stack Development
  • TypeScript
  • React Native
  • LLMs
  • API design
  • Electron
  • React
  • Data modelling
  • Relational databases
  • Async processing
  • Debugging
  • LLM application engineering
  • Prompt pipelines
  • Agent tooling
  • Latency optimization
  • Cost optimization
  • Desktop application development
  • Mobile application development
  • App Store publishing
  • Play Store publishing
  • Audio processing
  • Transcription
  • Real-time media
  • Healthcare software
  • GDPR
  • Regulated environments
  • German language

Location

  • Berlin, Germany
  • Remote

Work Type

  • Hybrid
  • Fully remote possible

Experience Level

  • +5 years experience

Benefits

  • High degree of creative freedom with end-to-end feature responsibility and architectural decision-making in direct collaboration with the CTO and founders.
  • Broad technical scope including React/TypeScript, Electron, React Native, and LLM integration with real-time WebSocket functionality.
  • Practical AI engineering tasks in production systems with cost and latency optimization under EU MDR compliance.
  • Tangible social impact by freeing up hours for therapists and improving psychotherapeutic care.
  • Opportunity to work in a dynamic, fast-growing scale-up that is a market leader in the DACH region with ambitious product roadmaps.
  • Competitive salary.
  • Substantial equity stake.
  • 28 days of vacation.
  • Flexible hybrid or remote work setup.
  • Latest equipment.

About the Company

  • They relieve psychotherapists of administrative burdens through intelligent AI assistance, giving them more time for what matters most: working with patients and providing high-quality therapy.
  • Empathy: Develop for people who help others, listening and building solutions that make everyday practice noticeably easier.
  • Trust: Work uncompromisingly securely, transparently, and reliably with data and within the team.
  • Quality: Deliver professional precision with technical excellence and real added value, ensuring AI stands up to everyday therapeutic use.