Job Description

Title: Lead Software Engineer

Type: Full-time

Location: All Visium locations

Start date: March 2026

About us

At Visium, we enable enterprise executives in defining their AI & Data strategy, execute large scale transformations and implement AI across operations, ensuring their organization becomes future-proof.

With expertise in strategy, architecture, cloud engineering, analytics, artificial intelligence and machine learning, we empower our clients to unleash and scale the power of their data.

We’re on a mission to pioneer a bright future and build future-proof and ethical organizations . Join the curious, the ambitious, the doers, the good-hearted, the ones who build a world we’re all in awe of – our Visiumees.

Ready to become one?

Role

We are looking for a Lead Software Engineer (Machine Learning focus) with strong experience in building production-grade systems and a solid exposure to MLOps and ML systems The primary focus of this role is software development excellence designing clean architectures, writing high-quality code, and operating reliable systems at scale. You'll also collaborate with business stakeholders to deliver scalable, maintainable, and high-impact ML solutions on Google Cloud Platform.

• Design, develop, and maintain scalable, reliable software systems supporting ML use cases
• Own production services end-to-end (design, implementation, testing, deployment, monitoring)
• Apply and promote software engineering best practices (clean code, architecture patterns, testing, CI/CD)
• Build and maintain APIs, services, and data pipelines used by ML systems
• Implement MLOps workflows with a strong engineering mindset (automation, reproducibility, monitoring)
• Design and operate cloud-native systems on Google Cloud Platform
• Collaborate closely with ML engineers and data scientists to integrate models into production systems
• Communicate clearly with stakeholders and contribute to technical decision-making

Requirements

To apply, this should be part of your background:

• 6+ years of experience in software engineering
• Very strong programming skills and proven experience building production systems
• Solid background in software architecture, system design, and distributed systems
• Experience applying engineering best practices in real-world environments
• Hands-on experience with cloud platforms, with deep expertise in Google Cloud Platform (GCP)
• Experience with CI/CD, infrastructure as code, and production monitoring
• Strong communication and stakeholder management skills
• Ability to work on-site in Winterthur once per week or if based outside of CH, availability to travel.

Benefits

What we offer

• A competitive compensation package
• A yearly education budget to steep your learning curve
• A yearly sport budget because a fit body leads to a fit mind
• A flexible working culture because your work-life balance matters to us
• A position that enables you to have an impact on 1’000s of people, and the whole company's growth.
• An international, knowledgeable, and passionate team with a strong collaborative mindset

Check our LinkedIn and website to learn more about us & don’t hesitate to contact us if you have any questions.