Senior Software Engineer, AI Developer Experience
Build AI agent infrastructure and developer tools for Splash, BetterPool’s fantasy sports platform. The role covers cloud development environments, autonomous coding agents, production integrations, and safety guardrails.
United States$150,000 – $190,000 / year
RemoteFull-timeSeniorEnglish RequiredAI EngineerMachine Learning EngineerDescription
- Build infrastructure that lets AI agents handle much of the software development workflow.
- Create cloud coding environments where engineers and agents can run core services and tests without local setup.
- Develop autonomous agents that turn tickets into reviewed pull requests.
- Support browser and native app testing, production observability, configuration validation, and compliance checks.
- Connect agents to Datadog and incident tools so production alerts can lead to fix pull requests.
- Create a shared agent platform with runtimes, triggers, and guardrails for teams beyond engineering.
- Maintain local development stacks and reproducible cloud coding environments.
- Evaluate, integrate, and configure open-source and commercial coding agents.
- Set up agent triggers through Slack, Jira, GitHub, and Datadog, with credentials, context, monitoring, and cost tracking.
- Define safeguards for agent access to data, secrets, and personal information, including required human review in a regulated industry.
- Find and fix causes of agent failures, such as missing context, unreliable tests, unavailable tools, or environment gaps.
- Reduce pull request cycle times and review delays while increasing the share of work completed by agents.
Requirements
- Use AI agents such as Claude Code, Codex, or Cursor for at least 90% of your work.
- Experience with multi-agent or subagent setups is preferred.
- Experience coordinating parallel agents or delegating work to subagents.
- Experience creating skills, hooks, or harness configurations to improve agent output.
- Infrastructure experience with AWS, including ECS/Fargate, RDS, Lambda, networking, and IAM.
- Experience with infrastructure as code using CDK, CloudFormation, or Terraform.
- Experience with containers and CI/CD pipelines.
- Ability to contribute directly to TypeScript and Node.js services.
- Experience building internal platforms, development environments, or developer tools used by others.
- Familiarity with evaluating agents on coding and non-coding tasks.
- Ability to work independently on a remote team and communicate across US and Prague time zones.
- At least six years of software engineering experience, including substantial work in infrastructure, platforms, or developer tooling.
- Preferred: experience running sandboxed or temporary environments at scale with Docker, devcontainers, Kubernetes, Nix, or similar tools.
- Preferred: experience with MCP servers or other integrations that give agents access to real systems.
- Preferred: experience tracing and evaluating agent work, including OpenTelemetry, LLM traces, or cost tracking.
- Preferred: experience in a regulated industry such as gaming or fintech.
- Preferred: an interest in sports.
Benefits
- Opportunity to earn company equity.
- Medical, dental, and vision insurance.
- 401(k) and other retirement plan options.
- Flexible paid time off.
- Annual company retreats and team offsites.
- Regular company-wide games with cash prizes.