Integration & API Developer (Supporting) job id:011

CEdge Inc•Clayton, MO

7d•Hybrid

About The Position

CEdge has an opportunity for a Integration & API Developer (Supporting), located in Saint Louis, MO (remote/on-site when required). This role maintains the service-oriented and API integration layer of the TMS: Web Services (SOA), REST/SOAP APIs, external interfaces to MoCARS, Financial Services, and the FHA Highway Capacity Software XML interface. The TMS exposes approximately 269 functions and 123 stored procedures as services consumed by both internal TMS modules and external state systems. As MoDOT pursues ERP integration and API modernization, this individual leads the technical design of new integrations through the SOW process and maintains the currency and reliability of existing interfaces.

Requirements

Minimum 3 years of integration and API development experience in a .NET enterprise environment
Minimum 1 year of experience with Web Services (SOA)
Minimum 1 year of experience with REST/SOAP APIs
Experience with WCF, .NET Web API, or ASP.NET Core API development
Experience with Oracle database integration (ADO.NET, ODP.NET, or equivalent)
Ability to pass MoDOT background check

Nice To Haves

Minimum 1 year of experience with transportation-related applications
Experience with XML/XSLT data transformation for federal data-submission interfaces (e.g., NBI submittal, FHA XML)
Familiarity with EDI or batch file-based integration patterns
Experience with Azure Service Bus, Logic Apps, or other Azure integration services
Missouri residency or St. Louis metro area location
Experience integrating with ESRI ArcGIS REST services from a .NET API consumer perspective.

Responsibilities

Maintain and support all TMS external interfaces and integrations: MoCARS accident data import, Financial Services interface for Traffic utility costs, Federal Highway Administration Highway Capacity Software XML file interface, and state ERP system integration as it develops
Maintain and update online and batch applications that consume or publish Web Services (SOA); ensure REST/SOAP API endpoints remain compatible with downstream consumers after any TMS modification
Support the SIMS interface and integration with the statewide ERP system MoDOT anticipates in the near term
Design and develop new API-layer SOW deliverables: define interfaces, write service contracts, implement, test, and document according to MoDOT Best Practices and the SOW milestone schedule
Perform integration-level impact analysis before any TMS structural change: identify which external systems consume affected data and services; document findings for the Lead Analyst
Maintain WCF services, Windows Communication Foundation components, and Console application interfaces within the TMS application portfolio
Support the nightly batch processing layer that interfaces with Oracle: batch jobs (80 scheduled), procedures invoked by external triggers, and data exchange packages
Coordinate with the Oracle DBA (Position 6) on data-exchange schema changes; coordinate with the GIS Engineer (Position 7) on ArcGIS REST service consumption
Enter time in Service Desk Plus weekly; resolve assigned API/integration tickets within agreed timeframes