Backend Software Engineer (Python / C#)

About Us

Manukai stands for Manu_facturing and Kai_zen, a Japanese methodology of continuous improvement that translates to “change for better.” In ancient Greek, Kai_ros means “the opportune moment.”

We are a spin-off from ETH Zürich, aiming to bridge the gap between metal part design and machining. Our AI-powered technology empowers manufacturers to prioritize their clients’ needs and deliver high-quality products to the market. Our primary focus is making an immediate impact, with client satisfaction as our utmost priority.

The Role

You will design, develop, and continuously improve Manukai’s solution. You will be responsible for driving the development of our backend and implementing system integrations. Working closely with the CTO and the engineering team, you will help build highly reliable, scalable, and maintainable products. In this role, you will also troubleshoot and optimize data flows between services.

As an early hire at Manukai, you will become a key member of our startup and play an active role in shaping both our product and our company through your proactive contribution of new ideas.

About You

You are a team player with a strong interest in technical challenges. You value short decision-making processes and are capable of independently bringing ideas to life. You actively contribute your perspective in team discussions on architecture, design, and code reviews. You are enthusiastic about your work and help remove obstacles for yourself and others. You thrive in a dynamic environment with evolving needs and requirements. You are eligible to work in Switzerland.

• Develop and maintain the backbone of Manukai’s software stack (primarily Python)
• Implement and monitor system integrations (primarily C#)
• Automate and optimize processes and workflows
• Deep dive into problems to design efficient solutions
• Maintain high software quality and sustainable development practices; review code from other team members and provide feedback to ensure best practices (e.g., testability, efficiency, and style)
• Document architecture and integration processes

Manukai Tech Stack:

• C# – integration with Windows-based systems
• Python – backend and automation
• C++ – high-performance modules
• Unix on server environments, Windows as working OS

• Advanced degree (MSc or PhD) in a quantitative field, or equivalent professional experience building complex software systems
• Advanced knowledge of Python
• Good knowledge of object-oriented programming languages such as C++ and C#
• Proven experience in software engineering with solid exposure to backend development and systems integration (experience integrating software with CAD/CAM platforms is highly valued)
• Solid knowledge of Windows operating systems
• Experience designing or maintaining data interfaces between applications and relational databases (e.g., SQLite, PostgreSQL, SQL Server)
• Strong understanding of version control, testing, continuous integration, build, deployment, and monitoring

Advantageous:

• Experience with CNC machining technologies, including machines and machining processes, controllers, CAD, CAM, and simulation software

• Personal growth potential: You will be a key team member and part of the success story.
• Equity participation: You’ll have the opportunity to share in the company’s success through our stock option plan.
• Personal development: Dedicated time to pursue your personal interests and goals.
• Time off and flexibility: Generous vacation and flexible work hours.
• Pension plan: Generous and competitive.
• Location: Zürich or remote.

At Manukai, we work on real problems with real impact. We combine advanced AI algorithms, human-centered design, and deep respect for craftsmanship in manufacturing. If you’re looking for meaningful work, a sharp team, and a culture that cares — we’d love to meet you.