Synthesis Software Engineer L1 Direct Hire

  • Freelance
  • Global



Braintrust is the only network that gives in-demand talent all the freedom of freelance with all the benefits, community and stability of a full-time role. As the first decentralized talent network, our revolutionary Web3 model ensures the community that relies on Braintrust to find work are the same people who own and build it through the blockchain token, BTRST. So unlike other marketplaces that take 20% to 50% of talent earnings, Braintrust allows talent to keep 100% of earnings and to vote on key changes to improve the network. Braintrust is working to change the way freelance works – for good.

  • JOB TYPE: Direct Hire Position (no agencies/C2C – see notes below)
  • LOCATION: Remote – North and South America
  • SALARY: $151,000 – $174,000/yr
  • ESTIMATED DURATION: 40hr/week – Long term


*** Open to candidates in North and South America ***


  • Build product that spans the entire stack. We operate on the Fullstack – Javascript, Typescript, NodeJS, ExpressJS, React for building user interfaces
  • At least 3 years experience – Growth within a company is great, but not required
  • Have a strong grasp of software engineering fundamentals.
  • Think critically about product and build empathy with your users.
  • Sweat the details and take pride in your craft.
  • Are biased toward action. When you see problems, you fix them.
  • Care more about building an impactful and delightful product than about using any particular technology.
  • Have excellent communication and collaboration skills, and are excited to work on a purely remote team.
  • Work hours that are aligned with US (UTC-8 to UTC-4) or EU (UTC to UTC+3) business hours.
  • Games Industry experience – Riot, Blizzard/Activision, Roblox, etc.
  • Start-up experience is a plus

You will:

  • Design, build, and maintain full-stack applications that:
    • enable real-time audio/video collaboration
    • match players & teams by skill level
    • build a social network for Synthesis students
    • spark student self-reflection with game replays, recordings, and session highlights
    • autoscale game instance backends
  • Join a small, fast-paced team that owns their product and is empowered to build.
  • Think big and ship iteratively.
  • Fine-tune your product intuition by TAing a cohort of real students.

What you’ll be working on

Education is about the future: how do we make the future better than the present, how do we preserve the advances we have made so far, and how do we continue to expand the frontiers of human knowledge and capability?

The highest leverage tactic is to focus on childhood education. That’s what we’re doing at Synthesis. Specifically, our mission is to cultivate a generation of supercollaborators – people who can work together effectively to take on humanity’s most complex and vexing challenges.

We’re looking for people with exceptional intelligence, work ethic, and integrity to join us.

About Synthesis

Co-founder Josh Dahn built Ad Astra school for Elon’s kids at SpaceX. Now, we are scaling the most ambitious ideas from Ad Astra, starting with the most innovative class: Synthesis.

Synthesis teaches kids to collaboratively work with information like adults do. Students ages 6 to 14 meet once a week to form teams and play novel, complex games and simulations, moderated by an adult coach who encourages clear communication and rigorous analytical thinking. And that is just the beginning. We’re building “Ender’s Game for innovators”, a global internet-native academy to accelerate learning for the world’s most talented and driven students, those most likely to contribute to leaps in science and engineering that advance human progress.

We’ve grown revenue 5x in a little over a year – and we’d double again if we admitted everyone on our paid reservation list.

Synthesis is a purely remote team who, in addition to Ad Astra, has built Khan Academy, ClassDojo, Facebook, Google, Uber, Roam Research, and Flexport.

Compensation & Benefits

  • Competitive compensation (benchmarked to California regardless of location)
  • Meaningful equity
  • 100% covered health insurance for you & your dependents (including medical, dental, vision)
  • 401(k) plan with company matching
  • One-on-one tax advice: To make the most of our competitive equity-based compensation
  • Flexible time off
  • Flexible parental leave

Some benefits (such as medical and 401k) apply to US employees only.

Apply Now!



Qualified candidates will be invited to do a screening interview with the Braintrust staff. We will answer your questions about the project, and our platform. If we determine it is the right fit for both parties, we’ll invite you to join the platform and create a profile to apply directly for this project.

C2C Candidates: This role is not available to C2C candidates working with an agency. If you are a professional contractor who has created an LLC/corp around their consulting practice, this is well aligned with Braintrust and we’d welcome your application.

Braintrust values the multitude of talents and perspectives that a diverse workforce brings. All qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status.

To apply, please visit the following URL:→