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Senior Backend Developer - Web3 Infrastructure (TypeScript & Rust) Location: Lausanne, Switzerland | Work Setup: Hybrid (2 days remote/week) Type: Permanent | Start Date: Flexible | Workload:% Are you a backend engineer passionate about building performant, scalable systems and eager to explore...

• Engineering of Cloud-based Web Applications for the optimization of internal processes
• UI Development (Coding & Styling)
• Backend development

• Design, build and maintain backend services with Kotlin and Java
• Work on our platform, optimizing for performance, scalability and stability
• Embrace the challenge and opportunity to design and implement systems that effectively bridge between the digital and physical worlds

• Development, optimization, and debugging of software for controlling hardware test equipment.
• Implementation of instrument drivers, communication protocols, and automated test sequences.
• Creation and maintenance of firmware for microcontrollers used in test fixtures and support electronics.

• Drive frontend development of customer-facing features on rebuy.de, focusing on Angular, with occasional opportunities for cross-stack collaboration (PHP/Symfony, Kotlin)
• Drive technical decisions on architecture, performance, and scalability for the frontend

implement and productionise ML-based services on our AI- and big-data-platform Databricks, using Python, SQL and Linux....

Lead the design, development, and evolution of suena's backend and API infrastructure—ensuring scalability, performance, and reliability as our platform grows....

• Development and maintenance of the software products running on our embedded device(s) and PCs onboard and in-house
• Troubleshooting in case of operational issues as well as bug fixing

Collaborate closely with customers to understand their business and translate requirements into high quality software. Expect to visit our customers around 2-3 times per week....

implement and maintain software applications and IoT systems on AWS using Python, SQL, and Linux, and continuously optimize application performance and identify areas for improvement....

• Designing, developing, and maintaining server-side logic and functionality using Java and frameworks like Spring and Hibernate.
• Designing, developing, and maintaining user interfaces using front-end technologies like HTML, CSS, and JavaScript frameworks (ex: React).

Agentic AI (incl. RAG, Retrieval Augmented Generation) applications implementation: Design, implement and maintain Agentic AI applications to support various areas of Octapharma's core business (such as Manufacturing Science and Technologies, Research & Development, Sales)...

• Supporting the development of an ontology for the aerospace engineering domain
• Developing programmatic and graphical user interfaces for interacting with the aerospace knowledge base
• Establishing security protocols for knowledge base users

Own the Data Science behind our business steering: Unite isolated ML models into a single decision layer that powers budget allocation and conversion rate optimization, creating bottom‑line impact worth millions....

• Design, development, and maintenance of full-stack applications, web services and REST APIs
• Implementation and integration of ISCC applications with external systems and web services
• Automation and optimization of workflows and data-driven processes

• Design, develop, and implement algorithms tailored to Sentec systems, ensuring efficiency, accuracy, and reliability
• Embedded Software Development: Develop and maintain embedded software applications in C and C++, adhering to industry standards and best practices

• YOUR RESPONSIBILITIES:
• Design and implement high-performance software components for complex distributed systems, focusing on C++ development and advanced network protocols.
• Develop features aligned with the product roadmap and implement custom solutions for individual customer requirements.

• Agile development & configuration (front- & backend) of an international PIM/MDM solution
• Build & further enhance our PIM/MDM data models based on complex business requirements
• Code review & unit testing and perform quality assurance and testing (error analysis, bug-fixing)