Platform Engineer (Java/.NET) — Hybrid & Impactful

COMSOL, Inc.; Stockholms kommun; On-site; SEK 850,000 - 1,200,000; Full time

Benefits offered by this job

Competitive salary

Individual pension plans

Sponsored gym membership

Work-life balance

Job summary

COMSOL, Inc. in Stockholm seeks an experienced software engineer to join the core UI, data layer, and platform integration team for COMSOL Multiphysics®. You will work on Java and .NET runtimes, libraries, and build systems across Windows, Linux, and macOS.

You will evaluate runtimes, integrate third-party components, and help evolve the Application Builder, Model Manager, COMSOL Server, and Compiler. Collaboration with scientists and engineers is central.

Qualifications

• MSc or equivalent degree in computer science, engineering, mathematics, or physics.
• Excellent programming skills with proficiency in at least one object-oriented language.
• Several years of professional software development experience.
• Interest in working with complex software systems and improving technical foundations.

Responsibilities

• Write and review code across multiple platforms.
• Investigate compatibility issues and backport APIs as needed.
• Develop and maintain build systems and platform infrastructure.
• Evaluate and integrate new runtimes and libraries.
• Collaborate with product teams to evolve platform capabilities.

Skills

MSc or equivalent

OO programming

Multiyear software experience

Interest in complex software systems

Education

MSc or equivalent degree

Tools

Java runtime

.NET runtime

Job description

COMSOL, Inc. in Stockholm seeks an experienced software engineer to join the core UI, data layer, and platform integration team for COMSOL Multiphysics®. You will work on Java and .NET runtimes, libraries, and build systems across Windows, Linux, and macOS.

You will evaluate runtimes, integrate third-party components, and help evolve the Application Builder, Model Manager, COMSOL Server, and Compiler. Collaboration with scientists and engineers is central.