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

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.

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 adaptable 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.

📌 Lead Software Engineer (MLOps, GCP) (Barcelona)
🏢 Empresa reconocida
📍 Barcelona