We are looking for a Lead AI Developerto join our AI Transformation team at Vaisala headquarters in Vantaa, Finland. You will play a key role in shaping how Vaisala builds and scales AI across the company, building practical agentic solutions and technical guardrails that make them secure, governed and impactful.
is a global leader in measurement instruments and intelligence helping industries, nations, people, and the planet to thrive. From predicting hurricanes to optimizing renewable energy production, our technology is used where it matters the most – from data centers, windfarms and laboratories to airports, the Arctic and even the surface of Mars. For a second year running, Vaisala got recognized in TIME Magazine's World's Best Companies in Sustainable Growth 2026 study. Our team of close to 2,500 experts and 62 nationalities around the world is committed to taking every measure for the planet. Driven by our shared purpose, curiosity, and pioneering spirit, we stay ahead and make a difference. At Vaisala, you don't have to fit in to belong.
Why join us?
Be part of a company-wide AI transformation – A front-row seat to how a global technology company becomes more AI-powered in everyday work
Real mandate and resources – Work on AI solutions with strong support, practical use cases, and the ambition to scale across Vaisala
Meaningful hands-on impact – You get to build agentic AI solutions & technical guardrails, as well as adopt & test the latest trends and developments in AI technology, that help shape how AI is used safely and effectively
Strong colleagues and AI-native talent – Collaborate with data scientists, AI developers, architects and emerging AI talents across Vaisala
What's your role?
You will be part of our AI Transformation team of strong professionals. Together with the team, you will have an excellent opportunity to strengthen Vaisala’s AI-focused transformation and build scalable, trustworthy agentic AI solutions across the company. You will be responsible for turning AI from promising ideas into practical solutions used in daily work, with strong attention to technical choices, governance, security, and responsible implementation. In this role, you will work in close co-operation with the AI Developer team in Digital Excellence, AI developers across Vaisala, product development teams, architects and Vaisala’s information security community. You will report to the Vice President, AI, Innovation & Business Transformation.
Your responsibilities include:
Designing, building, and deploying well-engineered, reliable AI solutions and workflows that solve real business problems.
Make decisions and execute implementation of use-cases across business domains, from simple document processing and case resolution to complex process workflows.
Integrating AI solutions into existing systems and platforms, with built-in security, scalability and maintainability
Defining and implementing the technical standards and architecture patterns for AI agents and human-AI orchestrations
Running applied research work, assessing emerging models and techniques, prototyping against real Vaisala data/use-cases, and deciding what is production-ready
Acting as a technical authority on AI across Vaisala — supporting other developers and architects, reviewing designs, raising the bar on how we build
What will you bring?
Strong background in AI, machine learning and software development
Experience building production-ready AI solutions with LLMs or AI agents
Relevant educational background in computer science, machine learning, AI, software engineering or relevant field
Strong programming skills, Python seen as an advantage
Experience with APIs, cloud platforms, integrations, and modern software development practices
In-depth, "under the hood" understanding of deep learning fundamentals - including layer architectures, loss functions, and optimization techniques.
Hands-on experience with PyTorch or another major deep learning framework (e.g., TensorFlow) seen as advantage.
Understanding of AI security, architecture and responsible AI with the ability to evaluate and apply new AI technologies and research
Genuine curiosity to understand the business, learn the evolving technology and service oriented mindset towards business solutions
Strong communication and collaboration skills in English
Ready to take every measure for the planet? Apply at the latest on October 11th, 2026 via the application form.
Lead AI Developer • Helsinki, FI
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