Software Engineer, Builder Tools

Overview In this role you build and maintain the CI/CD foundation and internal tooling that enable Hadrian’s engineering teams to move faster. You own shared pipeline libraries, automate recurring tasks, and make AI coding agents work reliably with Hadrian’s codebase. You will improve developer productivity across the company and shape the internal systems that power rapid software delivery. This position offers a chance to influence scale as Hadrian expands its Factory ecosystem and AI-enabled workflows. Compensation / BenefitsMedical, dental, vision, and life insurance401kRelocation support may be providedFlexible vacation policy ResponsibilitiesBuild and maintain CI/CD pipeline libraries for multiple engineering teamsDesign and develop internal tools, APIs, and CLI utilities to reduce developer friction and automate tasksPrepare internal systems for AI coding agents with harness tooling and context systemsInstrument and monitor productivity systems and quantify tooling impactCollaborate with application teams to promote CI/CD best practices and tooling adoptionJoin on-call rotation to support production systems and participate in postmortemsContribute to code reviews and create technical proposals to raise engineering standards Key requirements5–8 years of software engineering experience2–3 years in CI/CD, developer tooling, or build infrastructureProficiency in Go, Python, TypeScript, or similar languagesExperience with Docker and container orchestration (Kubernetes or equivalent)Strong Git and source control understandingTroubleshooting complex systems and driving issue resolutionBachelor's degree in Computer Science or related field, or equivalent experienceAbility to build easy-to-adopt tools with good documentationDeveloper empathy mindsetStrong collaboration and cross-team communicationProblem-solving mindsetCI/CD pipelines (pipeline-as-code)Artifact managementMulti-environment deployments