Senior Full Stack Engineer, Ecommerce
Core
Building and scaling high-volume e-commerce platforms and multi-vendor marketplaces for public agencies to manage fund distribution and spend compliance.
Role type
Senior Full Stack Engineer (E-commerce)
Builds
Scalable e-commerce platforms, multi-vendor marketplaces, and high-volume transactional SaaS applications for public agencies.
Domain
Financial technology, public sector fund management, e-procurement.
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Full-stack development (JavaScript/TypeScript), Node.js, Nest.js, React, Next.js, RESTful/GraphQL APIs, NoSQL (MongoDB), relational databases (MySQL), e-procurement integration (cXML PunchOut, OCI), shopping cart state management, payment gateway integrations, inventory synchronization, secure user data handling.
Preferred skills
High-growth e-commerce or multi-vendor marketplace experience, multi-currency transactions, global logistics, complex vendor payout structures, security compliance frameworks (SOC 2, NIST, PCI-DSS), Level 1 and Level 2 PunchOut, hosted/CIF catalogs, shared-secret authentication.
Technologies
Node.js, Nest.js, React, Next.js, MongoDB, MySQL, cXML, OCI
Responsibilities
Design and build scalable backend services and high-performance frontends, integrate PunchOut catalogs with third-party procurement and ERP systems, ensure platform scalability and security, conduct code reviews and provide informal mentorship, take ownership of complex architectural challenges and critical feature development.
Seniority
Senior, hands-on IC