You shape our backend architecture, build high-quality web platforms for DACH and international clients, and lead complex SaaS and custom CRM projects technically. We are looking for an experienced engineer (5+ years) with an architecture mindset who takes ownership.
Senior · 5+ years
Full-time
Hybrid · Düsseldorf / Zurich / Remote EU
Your responsibilities
Design and implementation of scalable backend systems (Laravel, Spring Boot)
Architecture and code reviews, technical mentorship of junior developers
Design of REST/GraphQL APIs, data modelling and performance tuning
Setup of CI/CD pipelines, automated tests and monitoring (DevOps mindset)
Direct alignment with clients and product owners — from requirement to go-live
Your profile
University degree in Computer Science, Software Engineering or comparable qualification
At least 5 years of professional software-engineering experience
Excellent German and English skills
Strong skills in PHP (Laravel) AND/OR Java (Spring Boot)
Solid experience with Vue.js or React for full-stack delivery
Deep knowledge of REST/GraphQL, SQL (MySQL/PostgreSQL), indexing and query tuning
Experience with Docker, Git-based workflows and CI/CD (GitHub Actions, GitLab CI)
Experience with cloud platforms (AWS, Azure, GCP) and Infrastructure-as-Code (Terraform)
Knowledge of Kubernetes, microservices or event-driven architecture
Knowledge of GDPR-compliant software architecture and IT security (OWASP Top 10)
Clean, test-driven approach with experience in code reviews
Nice to have
Open-source contributions or own products
Experience with OpenAI/LLMs, vector DBs or AI integration
Senior Frontend & UX Engineer (m/f/d) — Web · Mobile
Ref. OUH-FE-2491
You build pixel-perfect, performant and accessible interfaces for our SaaS products and client projects. You bring deep frontend expertise, think in components, design systems and conversion — and work closely with designers and backend engineers.
Senior · 5+ years
Full-time
Hybrid · Düsseldorf / Zurich / Remote EU
Your responsibilities
Concept and implementation of reusable frontend components (Vue 3, React, Tailwind)
Build and maintain our design system across multiple products
Performance optimisation (Core Web Vitals, Lighthouse 90+, LCP/CLS)
Technical responsibility for accessibility (WCAG 2.1 AA) and responsive design
Mobile apps with React Native, Flutter or Capacitor (depending on project)
Code reviews, technical sparring and onboarding of new frontend developers
Your profile
University degree in Computer Science, Media Design, Software Engineering or comparable qualification
At least 4 years of experience as a frontend engineer (senior level)
Excellent German and English skills
Strong skills in Vue 3 or React (with TypeScript)
Confident with Tailwind CSS, modern CSS layouts and design tokens
Experience with build tools (Vite, Webpack), testing (Vitest, Playwright/Cypress)
Understanding of UX principles, user research and A/B testing
Knowledge of REST/GraphQL integration and state management (Pinia, Zustand, Redux)
Experience with performance tools (Lighthouse, WebPageTest, bundle analyzer)
Experience with mobile app development (React Native, Flutter, Swift, Kotlin)
Affinity for design tools (Figma) and experience with designer handover
Nice to have
Knowledge of animation libraries (Framer Motion, GSAP) and WebGL/Three.js
Senior C/C++ Engineer (m/f/d) — Robotics & Embedded Systems
Ref. OUH-EMB-2503
You develop high-performance software for robotic systems, sensors and industrial controls. You work at the interface between hardware and software and bring deep understanding of real-time requirements.
Senior · 5+ years
Full-time
On-site · Düsseldorf / Zurich
Your responsibilities
Development of performant C++ applications for robotics and embedded platforms
Design of real-time controls, drivers and hardware abstraction layers
Integration of sensors, actuators and bus systems (CAN, Modbus, EtherCAT)
Performance profiling, memory optimisation and multithreading
Technical architecture and close cooperation with hardware engineers
Build and maintain automated test pipelines for embedded targets
Your profile
University degree in Computer Science, Electrical Engineering, Mechatronics or comparable qualification
At least 5 years of experience in modern C++ development (C++17/20)
Excellent German and English skills
Deep knowledge of multithreading, concurrency and lock-free data structures
Experience with real-time operating systems (RTOS, Linux with RT patch) and embedded targets
Confident with CMake, GCC/Clang, GDB and cross-compilation
Experience with profiling tools (Valgrind, perf, gprof) and embedded debugging
Knowledge of driver development, bus systems or sensor fusion
Experience with ROS 2, Gazebo or other robotics frameworks
Python for test automation and tooling
Structured, clean approach with focus on stability and maintainability
Nice to have
MATLAB/Simulink for modelling and controller design
Knowledge of functional safety (ISO 26262, IEC 61508)
You own our marketing strategy, build our brand in the DACH region and generate measurably qualified leads for our software, CRM and AI products. You combine strategic thinking with hands-on execution — from SEO and content to paid performance.
Senior · 5+ years
Full-time
Hybrid · Düsseldorf / Zurich / Remote EU
Your responsibilities
Strategic development of the marketing roadmap (inbound, content, paid)
Build and scale SEO, content marketing and LinkedIn reach
Senior AI Specialist (m/f/d) — LLMs & AI Integration
Ref. OUH-AI-2588
You bring AI solutions into our products and client projects. You integrate LLMs (OpenAI, Anthropic, open-source models), build intelligent workflows, RAG systems and AI assistants — with measurable business outcomes for our B2B clients.
Senior · 5+ years
Full-time
On-site · Düsseldorf / Zurich
Your responsibilities
Design and implementation of AI integrations into CRM, SaaS and practice software
Development and optimisation of RAG systems, vector databases and embeddings
Build intelligent chatbots, lead scoring and classification models
Prompt engineering and fine-tuning for industry-specific use cases
Performance optimisation of AI workflows (latency, cost, quality)
Direct cooperation with clients to identify AI use cases
Evaluation of new models, frameworks and AI trends
Your profile
University degree in Computer Science, Data Science, AI or comparable qualification
At least 4 years of software-engineering experience, with 2+ years in AI integration
Excellent German and English skills
Hands-on experience with OpenAI API, Anthropic Claude or open-source LLMs
Deep knowledge of prompt engineering, RAG, vector databases (Pinecone, Weaviate, pgvector)
Strong Python skills and experience with LangChain, LlamaIndex or comparable frameworks
Understanding of model evaluation, hallucination reduction and cost control
Experience with backend development and API design
Data-driven approach and love for practice (not only theory)
Nice to have
Open-source AI contributions or own AI products
Experience with fine-tuning, quantisation or local deployment (Ollama, vLLM)
Knowledge of computer vision, OCR or speech-to-text
You support management at a professional level across organisation, operations, project coordination and commercial steering. We are looking for a degree-qualified, highly structured person who thinks ahead, prioritises clearly and prepares decisions with care.
Professional · 3+ years
Full-time / Part-time
On-site · Düsseldorf / Zurich
Your responsibilities
Professional support for management in day-to-day operations
Coordination of appointments, deadlines, tasks and internal priorities
Preparation of decision papers, analyses, presentations and meeting minutes
Project coordination between management, development, marketing, tax advisors and external partners
Document management, contract overview, digital filing and structured follow-up
Preparatory accounting, receipt processing, invoice checks and coordination with DATEV/tax advisors
Support with HR processes, onboarding, internal organisation and confidential management tasks
Optimisation of internal workflows, tools and administrative standards for Germany and Switzerland
Your profile
Completed degree in business administration, management, economics, finance, business law or a comparable academic qualification
At least 3 years of professional experience in executive assistance, operations management, project coordination or a comparable business role
Excellent German and English skills
Very confident with Microsoft Office or Google Workspace, especially Excel/Sheets and presentations
Basic understanding of finance, preparatory accounting, invoice processes and commercial workflows
Analytical thinking, highly structured work style and strong ownership
Professional communication with management, partners, tax advisors and applicants
High level of discretion, reliability and confidentiality
Confident professional presence and strong priority management
Nice to have
Experience with DATEV, CRM systems, Notion, Asana, Jira or comparable business tools
Experience in an international environment or with processes in Germany and Switzerland
You develop certifiable software for our HealthFusion practice and MedTech platform. You bring deep understanding of regulatory requirements, medical data standards and patient safety — and work in interdisciplinary teams with doctors, QA and authorities.
