Braintrust
Software Engineer, Systems
San Francisco · New York City · Seattle
Get past the screening software and onto a recruiter's desk
hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.
- Keywords matched to this posting
- Fit score before you apply
- Cover letter included
Apply from your AI assistant
Connect hirly to Claude and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending. ChatGPT: manual setup today.
Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.
hirly's read of this role
- Role family
- Engineering
- Seniority
- Mid level
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 4 Sept 2026
Derived automatically from the posting. Upload your resume above to see how the role scores against it.
the posting
About the company
Braintrust is the agent observability platform. By actively applying intelligence to agent traces and automatically surfacing the most critical patterns, Braintrust gives teams the visibility to understand how agents behave in production and the tools to improve them.
Teams at Notion, Stripe, Box, OpenAI, and Cloudflare use Braintrust to trace their agents, find the issues in their observability data, and run evals that tell them how to improve.
About the role
We're looking for a software engineer who loves to build high performance data processing systems. Our customers are scaled up companies who send complex, semi-structured data which they need to process and analyze in real-time. Our unique architecture allows them to store this data on-prem, while creating complex visualizations that load instantly. Check out our Brainstore blog post .
If you've worked on database systems, compilers, networks, or storage systems, and want to translate this knowledge to the AI field, this could be the role for you. You will play a significant role in the foundational system architecture, technology choices, and implementation. Our founding team has deep expertise in database and ML systems, and you'll be empowered to both collaborate closely with them and explore your own ideas.
What you'll do
As a systems engineer at Braintrust, you’ll help build the core systems powering Braintrust's ability to process and query massive volumes of unstructured data at enterprise scale. Areas of ownership include:
Contribute to the storage, indexing, and query execution performance of Brainstore.
Expanding Braintrust's btql query language .
Optimizing query patterns to improve performance across our platform.
Ideal candidate credentials
Expert-level understanding of systems programming (C++ or Rust, concurrency, databases, operating systems)
Previous experience founding or working at startups is a plus
Has written prompts / tinkered with GPT models and apps
Benefits include
Medical, dental, and vision insurance
Daily lunch, snacks, and beverages
Flexible time off
Competitive salary and equity
Wifi & cellphone stipend
Equal opportunity
Braintrust is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
Listed on hirly, a job board. hirly is not the employer: Braintrust is hiring for this role.
Similar jobs
- Expert Software EngineerJeffersonhealth · Montgomery County, PAFirst seen today
- Front-End Software Engineer- TS/SCI with PolygraphGdit · USA VA ChantillyFirst seen today
- Software Engineer- TS/SCI with PolygraphGdit · USA VA ChantillyFirst seen today
- Angular UI Custom Software Engineer - ONSITE - (Pleasant Prairie, WI) - 6501062AccentureFirst seen today
- Custom Software Engineer Java - 6427200AccentureFirst seen today
Browse similar roles
Want this one?
Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.
Tailor my resume for this job