Senior Full Stack Engineer

Senior Full Stack Engineer (AI / SaaS Platform) We are partnering with a rapidly growing, private equity–backed financial technology company that provides digital infrastructure and automation solutions for businesses operating in the logistics and supply chain ecosystem. The organization is investing heavily in modern cloud architecture, AI-driven document intelligence, and scalable SaaS platforms to support the next generation of financial and operational workflows. They are seeking a Senior Full Stack Engineer to play a key role in designing and building core components of their platform. This role is ideal for engineers who enjoy solving complex technical problems, scaling distributed systems, and integrating modern AI services into production environments. This is a long-term opportunity to contribute to platform architecture, product innovation, and high-impact engineering initiatives within a fast-growing technology organization. Note: Visa sponsorship is not available for this role. Responsibilities Design, develop, and maintain modern web applications using React, TypeScript, and Node.jsBuild and scale REST and GraphQL APIs that support data-driven and automation-focused workflowsArchitect systems that process and extract structured data from high volumes of documentsDevelop complex B2B web application interfaces and workflow-driven user experiencesIntegrate AI/ML services into production environments, including LLMs, OCR pipelines, embeddings, and semantic search capabilitiesCollaborate with data and machine learning teams to productionize AI modelsImprove system reliability, observability, and scalability within an AWS-based cloud environmentContribute to DevOps and infrastructure automation initiatives, including Infrastructure-as-Code practicesLeverage AI-assisted development tools to accelerate delivery, enhance testing, and support safe refactoringParticipate in architecture discussions as the platform continues to scaleDesign and optimize database schemas and queries (PostgreSQL or similar)Work with technologies such as Elasticsearch, vector databases, and embedding pipelines where applicable Qualifications Senior-level experience in full-stack software developmentStrong experience with React, TypeScript, Node.js, modern JavaScript, HTML, and CSSExperience building REST and/or GraphQL APIs in cloud-native SaaS environmentsExperience deploying and maintaining applications on AWSBackground building scalable distributed systemsExposure to AI/ML integrations in production applicationsExperience with database design and performance optimization Nice to Have Experience in financial technology, logistics technology, or document automation platformsFamiliarity with Python for ML integrationExposure to functional programming paradigmsExperience with AI-assisted development or testing tools