Developer Support Engineer

Developer Support EngineerBlitzy is a Cambridge, MA based AI software development platform on a mission to revolutionize the software development life cycle by autonomously building custom software to unlock the next industrial revolution. We're transforming how enterprises build software, turning enterprise requirements into production-ready code with an agentic software development platform that can autonomously execute 80% of the quantum of software development work. We're backed by multiple tier 1 investors, and have proven success as founders of previous start-ups.The RoleWe're hiring a Developer Support Engineer to serve as the technical front line for our entire customer base—from Fortune 500 enterprises running mission-critical workloads to Pro users building on our self-service platform. You'll blend customer-facing technical work with hands-on debugging and engineering, owning issues end-to-end and driving direct impact on customer outcomes.You'll investigate complex issues, analyze logs and code, identify root causes, and implement fixes directly in the product when appropriate. This is an ideal role for someone who wants real-world exposure to production codebases at scale while helping shape the foundations of our support engineering function.What Success Looks LikeYou act as the trusted technical contact for Enterprise and Pro users, earning their confidence through expert problem-solvingYou diagnose customer-reported issues efficiently by analyzing logs, traces, execution output, agent behavior, and integrationsYou reproduce issues systematically to isolate root causes and deliver clear paths to resolutionYou submit high-quality engineering tickets with thorough context—or implement fixes directly when appropriateYou own escalations end-to-end, maintaining clear communication and driving issues to resolutionYou identify patterns across support cases that reveal opportunities for product improvementsYou become fluent in how Blitzy's agent-driven system works, enabling faster diagnosis over timeYou represent the voice of the customer in Engineering and Product discussionsYou produce clear documentation, workarounds, and recommended practices that prevent future issuesYou help establish the standards and processes that will scale our support functionAreas of OwnershipCustomer Technical SupportPrimary technical contact for Enterprise and Pro usersInvestigation and diagnosis of platform issuesEnd-to-end ownership of escalationsCreation of workarounds and recommended practicesTechnical InvestigationLog analysis, trace analysis, and debuggingIssue reproduction in local and staging environmentsRoot cause identification across distributed systemsCode-level debugging when neededEngineering CollaborationSubmission of detailed engineering ticketsDirect implementation of fixes when appropriateCollaboration on reliability improvements and agent behavior tuningRepresentation of customer needs in product discussionsProcess BuildingDocumentation creation and maintenancePattern identification for proactive improvementsFoundation-setting for support engineering as we scaleKnowledge base developmentRequired Experience2–5 years of experience in software engineering, technical support, platform support, or a debugging-heavy technical roleStrong problem-solving skills with ability to analyze logs, traces, stack traces, APIs, and distributed systems behaviorComfortable reading and modifying code (Python or TypeScript strongly preferred)Excellent communication skills with both technical and non-technical audiencesAbility to remain calm under pressure during escalations or complex customer situationsCuriosity and resourcefulness in learning complex systemsExcitement about onsite collaboration with engineering and product teamsWhat Makes You Stand OutExperience supporting developer tools, APIs, SDKs, or enterprise software platformsFamiliarity with cloud infrastructure, containers, CI/CD, or modern DevOps toolingExperience with AI/ML systems or model-driven automationContributions to open-source projects or internal toolingBackground in customer-facing engineering rolesTrack record of translating customer feedback into product improvementsWhat Makes This Role DifferentYou're not just answering tickets—you're building the technical support function from the ground up at a category-defining AI companyDirect exposure to cutting-edge agentic AI systems and how thousands of autonomous agents collaborate to build production softwareYou'll have real engineering ownership: when you find a fix, you can ship itYou'll sit at the intersection of Engineering, Product, and Customer—your voice shapes the roadmapClear growth path as the support organization scales alongside one of the fastest-growing AI companies in the U.S.Competitive equity package in a tier-1-backed startup with proven foundersOur CultureWho we are:Led by two pioneering co-founders we are one of the fastest growing companies in the U.S., creating our own category of enterprise autonomous software development. We automate thousands of hours of software development for our customers, which includes strong representation within the Fortune 500.How we work:We move Blitzy Fast: Time is both our company's and our clients' most precious asset. We move quickly and decisively to innovate internally and deliver exceptional software externally.Championship Mindset: We operate like a professional sports team. We win as a team by holding ourselves and each other to high standards, collaborating in-person, and remaining focused on the mission.Passion for Invention: We're pushing the frontier of what's possible, requiring constant innovation and iteration.We Work for the Customer: We focus on delivering outsized value to the customers we work with and expanding those relationships into deep, meaningful partnerships.We believe in being 'everyday athletes'—taking care of ourselves so we can bring our best minds to work. We promote great sleep, movement, and restorative activities for optimal mental performance. It makes for a happier and more productive team.Blitzy is an equal opportunity employer committed to building a diverse and inclusive team. We believe different perspectives make us stronger.