[Remote] Senior/Staff Software Engineer — AI-Native CAD Integrations

Note: The job is a remote job and is open to candidates in USA. Quilter is helping electrical engineers save time by automating the design of printed circuit boards. They are seeking a Senior / Staff Backend Engineer to integrate Quilter with leading PCB CAD vendors and manage the critical bridges that allow seamless movement between Quilter and existing CAD environments.ResponsibilitiesArchitect and extend integrations with CAD vendors' file formats and scripting systems, setting the technical direction for how we onboard new toolsLead reverse-engineering of proprietary binary and text-based formats, and mentor other engineers through ambiguous, undocumented territoryDrive the evolution of Quilter's internal PCB representation as we expand support across the ECAD ecosystemWrite robust, well-tested code that holds up against messy real-world customer data, and raise the bar for quality and testing standards across the teamUse—and help build—the next generation of agent-powered workflows for CAD reverse engineeringOwn features end-to-end: design, implementation, testing, and rollout, with the judgment to make sound architectural trade-offs independentlySkills7+ years of software engineering experience, with substantial backend or systems work and a track record of owning complex projects end-to-endExpert Python proficiency. This is the language you'll spend nearly all your time in, and deep, production-grade expertise here matters more than anything else on this list. You write clean, maintainable code and have shaped the standards of the codebases you've worked inModerate hands-on exposure to at least one ECAD tool (e.g., Altium, KiCad, OrCAD, Cadence Allegro, Siemens/Mentor Xpedition, or Eagle) and general familiarity with PCB / EDA / CAD workflowsGenuine excitement about coding agents and a real hunger to get great at them—you want a team that will invest in that growth, not throttle itComfort leading ambiguous, reverse-engineering-flavored problems: unfamiliar code, undocumented formats, weird edge casesGeneral knowledge of binary formatsDeep fundamentals in design, testing, and debugging, with the ability to set patterns others followStrong communication, technical leadership, and high ownership in a fast-moving startup environment, including mentoring less-experienced engineersA little C or C++ — not required at all, but occasionally helpful for skimming vendor SDKs or binary formatsDeeper PCB / EDA / CAD domain expertise or hardware tinkering beyond moderate tool exposureExperience with binary or large-scale serialization formats (protobuf, custom binary, XML, JSON)Experience building tooling around coding agents (evals, harnesses, MCP servers, etc.)Cloud infra (AWS, Docker, Kubernetes, Terraform)Open-source contributions in developer tooling, CAD, or simulationBenefitsCompetitive salary and equity benefitsHealth, dental, and vision insuranceRegular team events and offsites (~4x / year)Unlimited paid time offPaid parental leaveCompany OverviewQuilter develops physics-based autonomous AI software for printed circuit board (PCB) design aimed at accelerating hardware development. It was founded in 2019, and is headquartered in Los Angeles, California, USA, with a workforce of 11-50 employees. Its website is https://www.quilter.ai/.Company H1B SponsorshipQuilter has a track record of offering H1B sponsorships, with 1 in 2023. Please note that this does not guarantee sponsorship for this specific role. Apply To this Job