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.js Build and scale REST and GraphQL APIs that support data-driven and automation-focused workflows Architect systems that process and extract structured data from high volumes of documents Develop complex B2B web application interfaces and workflow-driven user experiences Integrate AI/ML services into production environments, including LLMs, OCR pipelines, embeddings, and semantic search capabilities Collaborate with data and machine learning teams to productionize AI models Improve system reliability, observability, and scalability within an AWS-based cloud environment Contribute to DevOps and infrastructure automation initiatives , including Infrastructure-as-Code practices Leverage AI-assisted development tools to accelerate delivery, enhance testing, and support safe refactoring Participate in architecture discussions as the platform continues to scale Design 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 development Strong experience with React, TypeScript, Node.js, modern JavaScript, HTML, and CSS Experience building REST and/or GraphQL APIs in cloud-native SaaS environments Experience deploying and maintaining applications on AWS Background building scalable distributed systems Exposure to AI/ML integrations in production applications Experience with database design and performance optimization Nice to Have Experience in financial technology, logistics technology, or document automation platforms Familiarity with Python for ML integration Exposure to functional programming paradigms Experience with AI-assisted development or testing tools