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.

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