Staff Software Engineer in Northumberland

You are a Staff Engineer who builds Hand you a problem no one at DAT has solved yet and you stand up a proof of concept in days, put it in front of real users, and let what you learn decide what happens next You are pragmatic: you would rather deliver customer value in weeks than polish something no one asked for You are comfortable with ambiguity and limited direction, and you do your best work partnering across teams to turn a promising idea into something that ships You understand your customers, including the brokers and integrators who increasingly build with AI coding assistants, and you design for how they actually work Working proofs of concept delivered early, with the ones that prove out taken to production Third-party integrators, including those building with AI coding assistants, can build, test, and troubleshoot against DAT APIs without engineering hand-holding Documentation, API specifications, and examples that consistently produce good results when integrators use AI tools One or more SDKs that reduce the effort for partners to integrate with DAT Production-grade API logging and monitoring that gives Product, Engineering, and Customer Support a shared, trustworthy view of integration health Light, practical guidelines applied to our customer-facing APIs, starting with new integration surfaces such as shipment ingest Effective knowledge-sharing and mentorship across engineering teams Build proofs of concept for developer experience and platform capabilities that have not been solved at DAT before, and take the ones that prove out to production Execute against our established architectures, refining them where they need it, and partner across Integrations, Product, Support, and Engineering to drive impact Design, build, and maintain SDKs and developer tooling in TypeScript, treating integrators as customers Build documentation, OpenAPI specifications, and examples that work well when integrators use AI coding assistants, and learn how our customers actually use AI so you can make them successful Design and build API logging and monitoring that gives teams visibility into how integrations behave in production Help shape lightweight governance for our customer-facing APIs (consistency, versioning, authentication, error handling, and deprecation), applied through an abstraction layer between our internal services and integrators Anticipate and communicate roadblocks before they require escalation, and align stakeholders across teams on shared direction Reduce toil and improve the reliability, cost, and performance of our integration services Use AI-assisted development in your own work and share what works with your teammates Write unit, integration, and functional tests, and guide others in doing the same Participate in design and code reviews; write and maintain technical documentation Review functional requirements, analyze their impact on schedule and software design, and translate business needs into technical specifications Mentor engineers on and beyond your team Stay current on industry trends, emerging technologies, and best practices in API platforms and developer experience Benefits Remote/hybrid flexibility Parental leave Wellness allowance Career development paths Immediate 401(k) matching Stock purchase program Mental health support FSA/HSA options Life insurance 20 days PTO from day one, plus 10 paid holidays annually Leadership training, mentorship programs, education reimbursement adept at working with professionals from a wide range of disciplinesDemonstrated experience designing and operating APIs consumed by external developers or partners8+ years of experience in software development, with deep backend and full-stack experience in TypeScript and Node.js