Senior Performance Test Engineer - Tieto Caretech (m/f/d)

Tieto; Oulu; Hybrid; EUR 45,000 - 65,000; Full time

Benefits offered by this job

Professional growth opportunities

Flexible hybrid work model

Open and friendly culture

Outstanding work-life balance

Job summary

Tieto is seeking a Senior Performance Test Engineer to join their agile product development team. You will focus on designing, implementing, and executing performance testing strategies for healthcare applications. Your expertise will help ensure scalability, reliability, and seamless user experience.

Join Tieto and contribute to meaningful advancements in healthcare and welfare while benefiting from a flexible hybrid working culture, professional growth opportunities, and a commitment to diversity.

Qualifications

• Experience in testing large-scale, business-critical systems, especially in regulated environments.
• Strong willingness to deepen technical expertise in performance testing.
• Good communication skills and fluent in Finnish and English.

Responsibilities

• Design, build, and maintain performance testing frameworks.
• Develop and execute load and stress test scenarios.
• Troubleshoot and enhance existing performance test scripts.

Skills

Performance testing

Software quality assurance

Scalability validation

Agile collaboration

Scripting languages (JavaScript, Python)

CI/CD tools (Azure DevOps, Jenkins)

Education

Experience in regulated environments

Tools

Robot Framework

JMeter

LoadRunner

Application Insights

Grafana

Prometheus

Job description

Job Description

Through advanced, intuitive technology, Tieto Caretech reduces administrative work, improves decision‑making, and strengthens safety and quality in health and social care. With the Lifecare software portfolio we enable health and social care professionals to focus on what matters most: people. We are a global team of professionals working on providing products and services to different sectors from intensive care to laboratory and social care. In addition to working closely with our customers, we also have our own products that we build and develop for various fields in society. From enabling healthcare professionals to spend more valuable time with their patients to providing data for professional athletes to achieve even better results, we make all that possible. With us you can be part of advancing societies through purposeful technology and make your mark on the health and wellbeing of people.

About The Role

We are looking for a Senior Performance Test Engineer to join our agile product development team and play a key role in building a modern digital solution ecosystem for the healthcare and welfare sector. As a Senior Performance Test Engineer, you will focus on designing, implementing, and executing performance and load testing strategies to ensure our applications meet scalability, reliability, and responsiveness requirements. You will analyze system behavior under various conditions, identify bottlenecks, and collaborate closely with development and operations teams to optimise performance across the entire technology stack. Your expertise will help guarantee seamless user experience and compliance with industry standards throughout the software development lifecycle.

Responsibilities

• Design, build, and maintain performance testing frameworks and tools to validate scalability, reliability, and responsiveness of applications.
• Develop and execute performance, load, and stress test scenarios, ensuring integration into CI/CD pipelines for continuous performance validation.
• Collaborate with developers, QA teams, and operations to embed performance testing and optimisation practices into daily workflows.
• Analyse system behaviour under varying conditions, identify bottlenecks, and provide actionable recommendations for improvement.
• Troubleshoot and enhance existing performance test scripts and frameworks to improve efficiency, maintainability, and accuracy.
• Promote best practices in performance engineering and contribute to overall quality and system optimisation across the organisation.

What’s in it for you

With us you will be part of the important and meaningful work of developing healthcare and welfare for all of us. You have an important mission to make a difference that really matters. In addition, as a company we offer you professional growth, an open and friendly culture, and an outstanding work‑life balance! We believe that our organisational culture is an important part of enabling you to be successful. We provide a flexible hybrid work model as part of our culture and way of working. Finally, we also believe in curiosity and learning as a lifestyle. We want to encourage you to keep up that curiosity and deepen your knowledge on topics you’re interested in. For example, we host a ‘Keep Learning Week’ twice a year, a week where everyone at Tieto has the possibility to join different training courses in a truly global setting.

Could you be our new colleague?

We look forward to hearing from you! Please submit your application by 31/05/2026. However, we will fill the position as soon as we find the right person, so we encourage you to apply today. If you have any questions regarding this role, please contact the hiring manager Saija Heinikoski ([e-mail]).

We perform background checks on all final candidates. Tieto declines calls from recruitment companies.

Qualifications

• Experience in testing large‑scale, business‑critical systems, especially in regulated environments.
• Familiarity with healthcare and welfare sector regulations and how they impact software testing and compliance.
• Strong willingness to deepen technical expertise in performance testing, continuously improve as a QA professional, and collaborate effectively as a team player.

Additional Desired Experience

• Strong experience in performance testing and software quality assurance – you understand different levels of performance validation and what it takes to ensure scalability and responsiveness.
• Previous experience in performance testing within a product development organisation, with a strong appreciation for customer experience and the ability to translate real‑world performance issues into effective test strategies.
• Hands‑on experience with performance testing tools such as Robot Framework, JMeter, Ranorex, Gatling, or LoadRunner, and familiarity with monitoring and profiling tools (e.g., Application Insights, Grafana, Prometheus).
• Experience in scripting languages like JavaScript or Python, and solid understanding of Git and CI/CD tools such as Azure DevOps or Jenkins.
• Ability to analyse system behaviour under load, identify bottlenecks, and provide actionable recommendations for optimisation.
• Interest and motivation to work in agile software development, collaborating closely with developers, QA, and operations teams.
• Good communication skills and fluent language skills in Finnish and English, enabling clear reporting and customer‑focused discussions.

Additional Information

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.

Diversity, equity and inclusion (tietoevry.com)