Developer Support Engineer (London)
Braintrust6 hours ago
London, United KingdomMid Level / Senior
Responsibilities
- Diagnose, troubleshoot, and resolve API and SDK issues in customers’ Python or TypeScript codebases.
- Reproduce customer-reported bugs, identify likely causes, and collaborate with Engineering on fixes.
- Own technical support communications with developers through Slack and email.
- Write and maintain knowledge-base documentation.
- Improve developer experience through support tools, documentation, and workflow enhancements.
- Write scripts, fix bugs, and contribute to internal support tooling and production codebases.
- Relay customer feedback to Product and Engineering to help shape roadmap priorities.
- Participate in on-call rotations for critical customer issues and local holiday coverage.
- Mentor cross-functional peers and guide support processes and escalation handling.
- Develop and champion improvements to developer experience and product reliability.
Requirements
- Experience supporting developer-facing products in a Software Engineer, Customer Engineer, Developer Success Engineer, Technical Account Manager, or similar customer-facing technical role.
- Ability to write, debug, and reason through Python and/or TypeScript codebases.
- Ability to quickly learn and reason about APIs, SDKs, and developer tools.
- Strong ownership and follow-through in resolving technical customer problems.
- Clear, empathetic, and effective communication when explaining complex issues.
- Curiosity about LLM use cases and interest in improving AI measurability, reliability, and trustworthiness.
- Bonus: experience with developer tools, ML infrastructure, or observability platforms.
- Bonus: familiarity with OpenAI, Anthropic, or similar LLM APIs.
- Bonus: experience with datasets, evaluation metrics, prompt engineering, support tooling, documentation, or product-led growth.
- Bonus: experience as a senior technical team member or tech lead in a high-growth environment.
- Bonus: production pull requests fixing customer-impacting issues in backend services, SDKs, or infrastructure.
- Bonus: cloud certifications or equivalent experience troubleshooting containerized environments such as Terraform and Kubernetes.
Benefits
- Medical, dental, and vision insurance.
- Daily lunch, snacks, and beverages.
- Flexible time off.
- Competitive salary and equity.
- WiFi and cellphone stipend.
- Remote work based in London.
Tech Stack
Categories
Solutions Engineering
About Braintrust
Braintrust builds an AI observability and evaluation platform for teams deploying LLM-powered applications. It unifies evals and production monitoring to compare models, test prompts, catch regressions, and turn real usage data into better releases; it can be self-hosted or used as a managed service. Customers include Notion, Stripe, Zapier, Vercel, and Ramp, and the software is sold by subscription to engineering and data teams.