Application & Data Engineer
- Location Ostrobothnia, Southwest Finland, Uusimaa
Posted 10.12.2025, 13:30 - Closes 24.12.2025, 13:27
Application & Data Engineer
As an Application & Data Engineer, youll work closely with business stakeholders such as sales and sales support, to develop and maintain web applications and data products that enable advanced analytics and AI capabilities. Youll develop and maintain robust data models, ensure data quality and governance, and integrate data from multiple sources to support decision-making and operational efficiency.
As an Application & Data Engineer your task is to write clean, efficient, and well-documented code following best practices and company standards. Collaborate with team members and stay up to date with emerging technologies and contribute to the continuous improvement of our development processes.
Youll be part of our Energy Sales Development team with expertise in process, application, and data development. Our team plays a vital role in supporting Energy needs and drives the development of sales processes and related applications such as CRM, Sales Configurator and other sales tools, as well as data solutions to power analytics and AI initiatives.
The preferred location for this position is Vaasa, Finland but also other locations in Finland can be considered.
Role and responsibilities:
* Design, develop, and maintain sales tools and databases to ensure reliability and scalability
* Collaborate with business stakeholders to conceptualize and specify solution requirements, including UI design and prototyping
* Translate business requirements into technical solutions and deliverables
* Create and maintain functional specifications, technical designs, and documentation
* Explore and implement solutions for data analytics, Machine Learning, and AI
* Serve as a project resource for selected application development initiatives
Technical Expertise:
* Proven experience in software development
* Proficiency in Python, React, TypeScript
* Knowledge of DevOps tools and practices.
* Familiar with Databricks, Salesforce CRM, Geospatial data is seen as an advantage
To succeed in this role, you should have:
* B.Sc. or M.Sc. degree in information technology or equivalent knowledge acquired through experience
* Capable of working with various stakeholders to meet their expectations
* Good communication and presentation skills
* Proactive, development-minded, and goal-oriented approach.
* Ability to work independently and meet targets.
* Strong analytical and problem-solving skills.
* Fluency in English, other language skills seen as an advantage
Why you and us?
You are valuated – as your true self. At Wärtsilä YOU matter. We value diversity and are committed to supporting an inclusive work community.
Your growth is supported. We believe in continuous learning and teamwork. Wärtsilian community has your back when it comes to development opportunities, so you can develop beyond your potential.
You get to make a difference. Innovation and sustainability are important to us. Every day, we – Wärtsilians – put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.
Contact & next steps:
Please submit your application by 06.01.2026 through our Careers portal. Applications submitted via email will not be considered. After submitting your application, you will receive a confirmation email.
In case you have any questions, please don’t hesitate to contact:
Questions about the tasks of the role:
Tomi Korpi
tomi.korpi@wartsila.com
General questions about the role and the recruitment process:
Sami Kujanpää
sami.kujanpaa@wartsila.com
