Senior Software Engineer

New York City | Office based | 5 days a weekWe're partnering with a venture-backed AI startup that's building the trust infrastructure behind the next generation of enterprise software.Their platform helps organisations operating in highly regulated environments automate complex workflows using AI while maintaining the reliability, security, and accuracy those industries demand. Following strong customer growth, they're looking for another experienced engineer to help build the next stage of the platform.The roleThis is a genuinely full-stack engineering position. You'll own problems from the moment they're identified through to deployment and production, working across frontend, backend, APIs, data models, integrations, infrastructure, and AI-powered workflows.You'll spend as much time thinking about the customer experience as you will designing the systems behind the scenes. The team is small, collaborative, and moves quickly, so everyone has a high level of ownership and influence over both the product and the engineering direction.Day to dayBuild and ship customer-facing features across the full stackOwn features from customer problem through architecture, development, deployment, and productionDesign APIs, backend services, data models, and scalable application architectureBuild integrations with third-party platforms and customer systemsWork alongside AI engineers to bring intelligent capabilities into productionImprove reliability, scalability, performance, monitoring, and observability across the platformInvestigate production issues and optimise system performanceBuild shared services, internal tooling, and reusable engineering componentsWork directly with customers and cross-functional teams to solve complex business problemsHelp shape technical standards, engineering practices, and the platform as the company growsYou'll probably be a good fit if...You've spent 5+ years building and operating production softwareYou're comfortable working across both frontend and backend developmentYou've designed APIs, data models, backend services, and integrations for production applicationsYou've owned features from customer problem through to productionYou're comfortable debugging across the application stack and enjoy solving complex technical problemsYou have experience working with cloud-native infrastructureYou care about building software that's reliable, maintainable, and intuitive for customersYou balance moving quickly with writing high-quality, scalable codeYou enjoy working collaboratively in a fast-paced, office-based environmentExtra creditExperience with any of the following would be beneficial, but isn't essential:Enterprise SaaS or workflow automation productsAI or LLM-powered applicationsIntegrations, connectors, or data synchronisation servicesSecurity, compliance, or other regulated environmentsEarly-stage or high-growth startupsWhat's on offerThe opportunity to help build one of the next generation of AI-native enterprise productsA high-calibre engineering team with significant ownership from day oneThe chance to influence both the product and the technical direction of the business as it scalesCompetitive salary, equity, and comprehensive benefits