Senior Full-Stack Developer (Fiori + GCP)

South Geeks•Wyoming, NY

1d•Remote

About The Position

South Geeks is seeking a Tech Lead / Full-Stack Developer / Architect for a 4-month engagement with a Fortune 500 global energy company. The project involves migrating historical Plant Maintenance data into SAP S/4HANA through a governed, auditable web application integrated with SAP CPI. This is a focused, full-time role (40 hours per week) requiring the candidate to own the architecture and lead the delivery of the web application end-to-end. The work will be conducted in 8 Agile-Scrum sprints over 16 weeks, fully remote, with a small senior team operating end-to-end. The role involves technical risk ownership and providing architectural oversight to other team members.

Requirements

SAP Fiori Elements / UI5 / OpenUI5 experience.
Full-stack web development with a SPA framework (React, Angular, or Vue) plus a REST API backend.
Google Cloud Identity / SSO (SAML 2.0 or OIDC).
Multi-tenant architecture with RBAC.
OData V2 Deep Insert understanding for design oversight.
XML generation and XSD schema validation (xmlschema, lxml).
File parsing in Python (pandas, openpyxl, lxml/ElementTree).
B2/C1 English.

Nice To Haves

GCP services (Cloud Run, GKE, Cloud SQL, GCS, Secret Manager); Terraform or Deployment Manager for IaC; performance tuning at scale; OWASP Top 10 review experience.

Responsibilities

Own the Solution Architecture Document and the multi-tenant, contractor-partitioned data model.
Build the full-stack web application (SPA plus REST API backend).
Integrate Google Cloud Identity
Implement file ingestion (CSV, Excel, XML), XML generation with XSD validation, and an immutable audit trail.
Co-author a AI/ML Architecture Design Document.
Lead PR governance, sprint ceremonies, and gate review decks.