Senior Java Developer -Thermo Calc Software

About the role

Thermo-Calc Software develops advanced software used by engineers and researchers worldwide to simulate and analyse material properties. Our solutions support industries such as metals, automotive, semiconductors and research, and play an important role in developing the materials and products of the future.

We are now looking for a Senior Java Developer to join our Software Platform team in Solna. In this role, you will primarily work on the continued development of our established desktop application, while also contributing to the evolution of our next-generation platform.

This is a role for someone who wants to work on a product with real-world impact, in an environment where software development meets science and advanced engineering.

Responsibilities

In this role, you will:

• Further develop and maintain our Java-based desktop application with a strong focus on GUI

• Work within a large, established codebase and contribute to quality, structure and architecture

• Participate in the design and development of new features

• Collaborate with developers, product owners, and colleagues with backgrounds in physics and materials science

• Take part in code reviews, troubleshooting and performance improvements

• Contribute to development processes and technical practices within the team

Over time, there will also be opportunities to contribute to the development of our web-based platform.

About you

You are an experienced Java developer who enjoys a role where you both code hands‑on and contribute with structure, technical maturity and long‑term thinking.

You have experience working with larger systems and feel comfortable navigating complex codebases and domain logic. You enjoy working close to the product and want to understand how it is used in practice.

Requirement 

·       Several years of experience in Java development

·       Experience with Java desktop applications (Swing, JavaFX or similar)

·       Strong understanding of object‑oriented programming

·       Experience working with larger codebases

·       Familiarity with version control and CI tools (e.g. Git)

·       Good communication skills in English

Preferred qualifications

·       Experience working with long‑lived or monolithic systems

·       Understanding of software architecture

·       Experience with backend development or cloud environments

·       Experience with container technologies or agile ways of working

As a person, you are curious and solution‑oriented, with a structured approach and a strong focus on quality. You are self‑driven in your work while also valuing collaboration and knowledge sharing within the team. You also have a genuine interest in understanding the bigger picture — not just the code itself, but how the solution is used and the value it creates.

What we offer

·       The opportunity to work on a unique product used internationally

·       A technically advanced environment where software meets research and industry

·       An experienced and international development team

·       Flexible working hours and hybrid work model

·       The opportunity to influence technology choices and ways of working

About Thermo-Cals Software

Thermo‑Calc Software is a Swedish software company with a global customer base. Their tools are used by some of the world’s leading industrial companies and research organisations to simulate material properties and optimise development processes.

The company has around 65 employees, including more than 20 developers, and operates in an international environment where English is the working language.

About the recruitment process

In this recruitment, Thermo‑Calc Software collaborates with Tacting. All recruitment consultants at Tacting are certified according to the DNV standard and work with unbiased recruitment methods. Through capacity tests and personality assessments, Tacting performs an objective evaluation of how you may handle your new role while minimising the risk of discrimination or bias.

If you have any questions, you are welcome to contact Bengt Libäck 070-594 72 77 or Daniel Wallström på 073-725 79 05.

Please submit your application no later than 15 march.