Integration & API Developer (Supporting) job id:011

CEdge Inc; St. Louis (MO); Hybrid; USD 70,000 - 90,000; Full time

Benefits offered by this job

Full Benefits Package

10 Days PTO

10 Paid Holidays

401K

Job summary

CEdge Inc is looking for an Integration & API Developer based in Saint Louis, MO, to maintain and support the TMS external interfaces and integrations. The role requires a strong background in API development and integration, particularly in a .NET environment.

Ideal candidates will have at least 3 years of experience in integration and API development, including familiarity with Web Services and REST/SOAP APIs. The position offers a range of benefits designed to support a healthy work-life balance.

Qualifications

• Minimum 3 years of integration and API development experience in a .NET enterprise environment.
• Ability to pass MoDOT background check.

Responsibilities

• Maintain and support all TMS external interfaces and integrations.
• Design and develop new API-layer SOW deliverables.
• Perform integration-level impact analysis before any TMS structural change.

Skills

Integration and API development

Web Services (SOA)

REST/SOAP APIs

WCF

Oracle database integration

Job description

Integration & API Developer (Supporting) job id:011

Saint Louis, United States | Posted on 06/24/2026

We provide multi-industry IT solutions across the US and India, including commercial enterprises and state and federal government. Collaborating with clients to determine their business needs, we combine years of knowledge & expertise to develop a strategy that drives results and promotes growth. Our team is dedicated to guiding your business to the forefront through an innovative suite of customized, IT solutions.

Job Description

CEdge has an opportunity for a Integration & API Developer (Supporting), located in Saint Louis, MO (remote/on-site when required). If you are ready to work alongside world‑renowned technology experts, and carry the skills below, this is the opportunity that will inevitably take your career to unbelievable levels!

Clearance Required: None; MoDOT MACHS background check required.

POSITION SUMMARY

The Integration & API Developer maintains the service‑oriented and API integration layer of the TMS: Web Services (SOA), REST/SOAP APIs, and 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. This position is not submitted as an Exhibit E biography.

KEY 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 (§2.2.3)
• 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

REQUIRED QUALIFICATIONS

• Minimum 3 years of integration and API development experience in a .NET enterprise environment
• Minimum 1 year of experience with Web Services (SOA) (§2.2.3)
• Minimum 1 year of experience with REST/SOAP APIs (§2.2.3)
• 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

PREFERRED QUALIFICATIONS

• Minimum 1 year of experience with transportation‑related applications (§2.2.3)
• 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.

WHAT’S IN IT FOR YOU?

• Full Benefits Package
• 10 Days PTO
• 10 Paid Holidays
• 401K

WHO ARE WE?

CEdge Inc is an innovative IT consulting firm, and a strategic business partner. We offer IT solutions to Federal and State government, as well as Commercial Enterprises throughout the United States. Our main objective is to create an integrity‑based culture that takes pride in working as a collaborative team that focuses on growth and is driven by the desire to provide purely ethical services for both our clients and teammates.