(Contract) Full Stack Senior Engineer / ArchitectWe're supporting a FinTech venture that's building out its core product and needs additional engineering support from seasoned contractors for the next phase of development. You'll work closely with the founder and founding engineers to help ship new features, improve performance, and prepare the platform for wider release.What you'll do:Contribute to full-stack development across TypeScript,, React, and PostgreSQL.Implement new functionality and help harden existing systems for production use.Collaborate on architecture and design decisions.Maintain clean, testable, scalable code in a fast-moving environmentWhat we're looking for:Strong TypeScript skills across front- and back-end + React)Solid understanding of APIs, data models, and cloud deploymentExperience in startup or fast-paced product environmentsPragmatic approach, able to balance speed and qualityEngagement:Remote, flexible hoursContract length:6 months initial term with multiple extensions available.