Careers at Thermo-Calc

Full time, Immediate availability

Location: Stockholm, Sweden

Posted: October 2025

Based in Solna in Stockholm, Sweden, Thermo-Calc Solutions AB is the engineering services company under the Thermo-Calc Software group, offering specialized ICME solutions such as alloy composition and heat treatment optimization, materials design, as well as Thermo-Calc application support. The company serves clients globally in accelerating materials innovation through simulation and modelling across industries, such as metals, aerospace, space, energy, and defense.

Thermo-Calc Solutions is seeking a Materials Engineer to join our team. The ideal candidate will perform work related to materials modelling and development, application of computational tools, and project management. This role involves significant customer interaction and may require up to 30% travel.

Key Responsibilities and Activities:

• Engage with materials producers, manufacturers, end-users, and Thermo-Calc Software customers to define requirements, shape development plans, and drive new business opportunities
• Lead and collaborate with project teams to address materials-based challenges through modeling and analysis (e.g., CALPHAD and related tools)
• Manage and execute project activities, ensuring effective use of computational tools and timely delivery of results
• Document, report, and communicate progress and outcomes for both internal initiatives and customer projects
• Lead proposal development for internal, public, and customer-funded projects.

Requirements:

• An advanced degree in metallurgy, alternatively in materials science or materials engineering combined with a strong understanding of physical metallurgy (Ph.D. or Master’s degree with 2+ years of industry experience)
• Extensive experience with the application of Thermo-Calc Software thermodynamic and kinetic modules
• Experience with programming (e.g., Python)
• Strong ability to define complex technical concepts, identify applicable solutions, and articulate value and results to internal and external audiences
• Excellent interpersonal and presentation skills with the ability to collaborate across departments and communicate with various stakeholders
• Be authorized to work in Sweden

Beneficial

Candidates with experience in process–structure or structure–property modeling of metallic systems are strongly preferred. Added merits include expertise in steel, aluminum, or nickel alloy development, as well as experience with the Precipitation Module (TC-PRISMA), TC-Python programming, finite element modeling, machine learning, or data science. Proficiency in Swedish, German or French is considered an advantage.

To Apply

Thermo-Calc Solutions offers a truly exciting and stimulating work environment, where each individual can and is empowered to make a difference.

Interested candidates shall submit their resumes and a cover letter summarizing how their experience aligns with this role to Dr. Fuyao Yan, Technology Group Lead and Sr. Materials Design Engineer, at info.solutions@thermocalc.com.

Are you ready to create intuitive, modern user experiences for complex scientific tools? Thermo-Calc Software in Solna, Sweden, is looking for a skilled Frontend Developer (React) to join our passionate team in shaping the future of materials science software.

We’re a fast-growing tech company at the intersection of engineering, research, and user-centered design. With customers around the globe and a product that truly makes a difference in research and industry, your frontend skills will directly contribute to innovation in materials development, sustainability, and beyond. Help us build the Future of Scientific Software!

Qualifications

• Strong experience with React and modern JavaScript/TypeScript frameworks
• Solid understanding of frontend architecture and state management (e.g. Redux, Context)
• Solid understanding of HTML5, CSS3, and modern CSS frameworks (e.g., SASS, Styled Components, Tailwind)
• Experience with REST APIs and integrating complex backend logic into the UI using tRPC
• Familiarity with version control systems like Git and Continuous Integration such as Jenkins
• Strong communication skills and a collaborative mindset
• A degree in Computer Science or equivalent experience

Meritorious

• Knowledge of backend tools like Java Spring Boot
• Familiarity with cloud platforms (Azure, AWS, or Google Cloud)
• Exposure to containerization tools (Docker, Kubernetes)
• Experience integrating scientific or numerical code into a GUI
• Agile development experience (Scrum, Kanban, etc.)

Responsibilities

As Frontend Developer, you’ll take a leading role in developing the user interface for our next-generation web platform. Working in a cross-functional environment with backend developers, FORTRAN specialists, designers, and scientists, you’ll ensure that complex scientific workflows are transformed into elegant, user-friendly web applications.

You’ll primarily work with React, TypeScript, and modern frameworks such as Fastify, alongside Spring Boot and Azure on the backend. Your focus will be on delivering robust, scalable, and visually intuitive frontends that meet high technical and usability standards.

In this role, you will:

• Design and build dynamic, interactive web interfaces using React and TypeScript
• Collaborate with backend and scientific developers to integrate advanced functionality
• Maintain a high standard of UI performance, accessibility, and responsiveness
• Contribute to architectural decisions and continuous improvement processes
• Participate in code reviews and team discussions to maintain quality and consistency
• Stay updated on frontend trends, tools, and best practices

Compensation and Benefits

Thermo-Calc Software takes actions to be an attractive employer that not only offers competitive compensation and benefits, but also a stimulating environment to work in with colleagues from all over the world. Our head office is located in Solna with a light and modern environment and short walking time to Solna station and Mall of Scandinavia. Our company values a spirit of teamwork and inclusiveness where we all work together to create the best possible products and services for our users. We also offer all employees:

• A comprehensive health and benefits package that includes extended health coverage, regular health checks, pension, and a generous bonus.
• Continuing education opportunities in the areas that you would like to develop.
• A flexible work schedule which includes flex time and the opportunity to work from home.

How to Apply

Selection is ongoing, so please submit your application as soon as possible. We are collaborating with Randstad Digital for this recruitment. If you have any questions about the role or the process, feel free to contact Julia Rhönnstad at julia.rhonnstad@randstad.se. Welcome to a workplace where your code truly matters.

Apply Today!