Principal Software Engineer – Java Virtual Machine & Runtime Systems

Ll Oefentherapie; Stockholms kommun; On-site; SEK 1,500,000 - 2,100,000; Full time

Job summary

Oracle's Java Platform Group in Stockholm, Sweden, seeks a Principal Software Engineer to shape memory management, garbage collection, and runtime systems for the Java Virtual Machine. You will join a world-class team delivering scalable, high-performance GC improvements used by developers and enterprises worldwide.

Candidates should have 3–5+ years (or more) of relevant experience, deep C++ skills, Java familiarity, and a track record of delivering robust, low-latency runtimes.

Qualifications

• Strong proficiency in C++ and multi-threaded development.
• Working knowledge of Java development.
• Self-motivated with ability to independently drive development.
• Strong grasp of garbage collection and systems fundamentals.

Responsibilities

• Design and implement new Java Virtual Machine garbage collection features and optimizations.
• Collaborate with the OpenJDK community on potential contributions.
• Work with the engineering team to review designs and ensure optimum JVM execution performance.

Skills

C++ Programming Language

Java

Software Design and Development

Tools

OpenJDK

Job description

Principal Software Engineer – Java Virtual Machine & Runtime Systems

STOCKHOLM, Sweden

• Job Identification 335306
• Job Category Product Development
• Posting Date 08/26/2026, 01:15 PM
• Job Type Regular Employee
• Does this position require a security clearance? No
• Years 3 to 5+ years
• Additional Info Visa / work permit sponsorship is not available for this position
• Applicants are required to read, write, and speak the following languages English,Swedish

Job Description

Oracle’s Java Platform Group is looking for a software engineer with experience in managed runtimes and garbage collection to join their world class development team. This is a great opportunity to work with some of the most experienced and knowledgeable people in the virtual machine space, working on the Java Virtual Machine that is used by millions of developers and Fortune 500 companies around the world.

Responsibilities

Responsibilities

Design and implement new Java Virtual Machine garbage collection features and optimizations

Collaborate with the OpenJDK community on potential contributions

Work closely with the rest of the engineering team to review designs and ensure optimum JVM execution performance

Requirements
• Strong proficiency in C++ and multi-threaded development
• Working knowledge of Java development
• Self-motivated and able to independently drive development efforts
• Strong communication and team work skills
• Strong grasp of garbage collection and systems fundamentals
• Hands-on experience with OpenJDK is highly desirable

Qualifications

Required Skills

• C++ Programming Language
• Java
• Software Design and Development

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