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Staff Software Developer, Parsec

ironSource

ironSource

Software Engineering
United States · Remote
USD 157,800-236,800 / year
Posted on Dec 12, 2025
Requisition ID: JOBREQ-2515225

Staff Software Developer, Parsec

Remote, USA, Full-time
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The opportunity

Parsec creates ultra-low latency, high-performance remote desktop technology that empowers creative professionals to work from anywhere, businesses to embrace flexible workplaces, and individuals to play together from anywhere. We're growing so that we can help leaders in gaming, entertainment, engineering, and architecture build the things we love, whether they're in the office or working from home. Parsec is a wholly-owned subsidiary of Unity.

Parsec is hiring a Senior Developer to join our small but talented native team, working on our low latency game streaming app. The Parsec app is the foundation of everything we’ve accomplished as a company, and the product our customers use and love daily. We’re looking for someone who will join our team, drive innovation in the core technology, and mentor other engineers at Parsec. To be successful, you’ll need to be able to jump into C code without breaking a sweat, pursue hard problems that you have no prior experience with, and build lean, modularized, maintainable code.

What you'll be doing

  • Work with UI, encoding/decoding, networking, input, and much more across multiple platforms
  • Jump into a C codebase on day one and confidently deploy code to more than 5 million people
  • Be fascinated with building cutting edge technology in gaming from video rendering to UDP protocols
  • Be obsessed with finding the right, low latency solution to the challenges we face
  • Listen to customer feedback, interpret the needs of the broader community, and find opportunities to delight our customers

What we're looking for

  • Hands on experience working in a production C codebase.
  • Familiarity with macOS app development (e.g., IOKit, CoreGraphics, window/input management) and shipping native apps on macOS.
  • Familiarity with Windows desktop application development.
  • A deep desire to learn, improve a product, and make customers happy.
  • Experience working with globally distributed team.

You might also have

  • Familiarity with Linux/Ubuntu app development
  • Familiarity with Windows Driver development
  • It's definitely a bonus if you’ve worked in the video game industry or your wasd keys are worn out from playing too many games on your computer.

Additional information

  • Relocation support is not available for this position
  • Work visa/immigration sponsorship is not available for this position

Life at Unity

We offer a wide range of benefits designed to support employees' well-being and work-life balance. You can read more about them on our career page.

Unity [NYSE: U] is the leading platform to create and grow games and interactive experiences. Creators, ranging from game developers to artists, architects, automotive designers, infrastructure experts, filmmakers, and more, use Unity to bring their imaginations to life across multiple platforms, from mobile, PC, and console, to spatial computing.

As of the third quarter of 2024, more than 70% of the top 1,000 mobile games were made with Unity, and in 2024, Made with Unity applications had an average of 3.7 billion downloads per month. For more information, please visit Unity.

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.

Your privacy is important to us. Please take a moment to review our Prospect Privacy Policy and Applicant Privacy Policy. Should you have any concerns about your privacy, please contact us at DPO@unity.com.

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*Note: Certain locations require a good faith disclosure of the base salary range for the role. The actual salary for the successful candidate may differ based on location, experience, and other job-related factors.

Gross pay salary$157,800—$236,800 USD