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Integration Developer Jobs in Missouri (NOW HIRING)

Peraton

Systems Integration Testing Engineer

Saint Louis, MO · On-site

$112K - $179K/yr

Responsibilities We are seeking a motivated product quality SYSTEM ENGINEER to support the planning ... As the world's leading mission capability integrator and transformative enterprise IT provider, we ...

Peraton

Systems Integration Testing Engineer

Saint Louis, MO · On-site

$112K - $179K/yr

Responsibilities We are seeking a motivated product quality SYSTEM ENGINEER to support the planning ... As the world's leading mission capability integrator and transformative enterprise IT provider, we ...

PDS Health

Sr Engineer, Integration

California, MO · On-site

$93K - $125K/yr

Integration Development: Drive integration development between systems and platforms, translating ... Experience with CI/CD pipelines, DevOps practices, and source control tools including Git and ...

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How much do integration developer jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for integration developer in Missouri is $54.00, according to ZipRecruiter salary data. Most workers in this role earn between $45.34 and $60.19 per hour, depending on experience, location, and employer.

What is an integration developer?

Integration Developers are IT professionals who design, build, and maintain systems that allow different software applications to work together seamlessly. They create and manage APIs, middleware, and other integration solutions to ensure data flows smoothly between platforms within an organization. Their work helps automate business processes, enhance productivity, and support digital transformation efforts. Integration Developers often collaborate with software engineers, business analysts, and stakeholders to understand requirements and deliver effective connectivity solutions.

What are the key skills and qualifications needed to thrive as an integration developer?

To thrive as an Integration Developer, you need strong programming skills (often in Java, Python, or similar languages), experience with APIs, and a solid understanding of data formats like XML and JSON, typically supported by a degree in computer science or related field. Familiarity with integration platforms (such as MuleSoft, Dell Boomi, or Apache Camel) and knowledge of cloud services and middleware systems are common technical requirements. Strong problem-solving abilities, attention to detail, and effective communication are valuable soft skills that help manage complex integration projects and collaborate with cross-functional teams. These skills are vital to ensure seamless data flow, system interoperability, and the successful delivery of integration solutions in dynamic IT environments.

How does an integration developer typically collaborate with other teams during a large-scale system implementation?

Integration Developers play a key role in bridging gaps between different technical teams, such as software engineers, database administrators, and business analysts. During a large-scale system implementation, they work closely with these groups to understand data flows, define integration points, and ensure that various systems communicate seamlessly. Regular meetings, code reviews, and shared documentation are common practices to ensure alignment and address any integration challenges early on. Effective communication and a collaborative mindset are crucial for successfully delivering complex integration solutions.

What is the difference between Integration Developer vs Software Engineer?

AspectIntegration DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related field, certifications like MuleSoft, Dell BoomiBachelor's in CS or related field, certifications vary by specialization
Work EnvironmentFocus on system integration, APIs, middlewareDevelops software applications, coding, testing
Employer & Industry UsageIT firms, enterprise systems, middleware providersTech companies, software firms, startups
Common Search & ComparisonOften compared for technical skills and project scopeBroader software development focus

The main difference between an Integration Developer and a Software Engineer lies in their focus areas. Integration Developers specialize in connecting different systems and working with APIs and middleware, while Software Engineers develop complete software applications. Both roles require similar educational backgrounds, but their daily tasks and industry usage differ significantly.

How much do integration developers make?

Integration developers typically earn a median annual salary of around $80,000 to $110,000, depending on experience, location, and industry. Professionals with skills in APIs, middleware, and relevant programming languages may command higher salaries, especially with certifications or specialized expertise.

What do integration developers do?

Integration developers design, develop, and maintain software solutions that connect different systems, applications, or data sources to ensure seamless data flow and interoperability. They often work with APIs, middleware, and integration platforms, using programming languages like Java or Python, and may require knowledge of data formats such as XML or JSON. Their role involves analyzing system requirements, troubleshooting issues, and ensuring secure, efficient integrations within an organization’s IT environment.

What are the most commonly searched types of Integration Developer jobs in Missouri?

The most popular types of Integration Developer jobs in Missouri are:

What are popular job titles related to Integration Developer jobs in Missouri?

For Integration Developer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Integration Developer jobs in Missouri look for?

The top searched job categories for Integration Developer jobs in Missouri are:

What are popular job titles related to Integration Developer jobs in MO?

For Integration Developer jobs in MO, the most frequently searched job titles are:

Integration Developer jobs near you
Infographic showing various Integration Developer job openings in Missouri as of August 2026, with employment types broken down into 87% Full Time, 8% Part Time, and 5% Contract. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution, with an average salary of $112,316 per year, or $54 per hour.

Integration & API Developer (Supporting) job id:011

Saint Louis, MO • On-site

CEdge Inc
See more jobs at CEdge Incexternal

$47 - $62.50/hr

Full-time

Retirement, PTO

Re-posted 23 days ago

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, 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.

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