335 api developer jobs at 147 companies in Missouri
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Engineer III - API Office
Tempe or St. Louis
HybridFull Time
Edward Jones: Financial services firm providing wealth management and investment advice.
5+ YOERequires 5+ years developing scalable applications, APIs, integrations, and web services; proficiency with Java, Spring Boot, Python, Node.js, Docker, Kubernetes, Azure, OAS, OAuth 2.0, OpenID Connect, and CI/CD.
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or country_code
$140k-$190k/yrHybridFull Time
NinjaTrader: Privately held futures trading platform and brokerage serving retail and professional futures traders.
6+ YOE6+ years building and operating backend services; Node.js, TypeScript, SQL, Docker, Kubernetes, cloud, event-driven architecture, and workflow reliability expertise. Bachelor's or master's degree or equivalent experience.
Node.js, TypeScript, Kafka, Google Cloud Pub/Sub, SQL, Docker, Kubernetes, Google Cloud Platform, Codex, Cursor, Claude Code, Statsig
Principal Systems Engineer - Enterprise API Platform & GraphQL Engineering
Hopkins or Denver or Atlanta or Chicago or Saint Paul or Earth City or Charlotte or Cincinnati or Gresham or Irving or Brookfield +1 more
$120k-$141k/yrHybridFull Time
U.S. BankNew York Stock Exchange: USB: Diversified financial services and banking institution.
7+ YOEBachelor's degree or equivalent; 7+ years IT experience; 7+ years technology infrastructure design/development/support; experience with Apigee, Apollo GraphQL, Kubernetes, Azure, GitLab CI/CD, Ansible, Python, Bash; must work from U.S. Bank location 3+ days/week.
Apigee OPDK, Apigee Hybrid, Apollo GraphQL, Apollo Federation, Apollo Router, OAuth 2.0, JWT, mTLS, GitLab CI/CD, Kubernetes, Helm, Ansible, Infrastructure as Code, Azure, Python, Bash, Datadog
Harris Computer: Global provider of mission-critical vertical market software solutions.
Production backend development in Java or another statically typed language, REST API design, SQL, relational database design, developer mentorship, distributed-team collaboration, and hands-on AI coding tool use.
Java, REST API, SQL, Copilot, Claude Code, Cursor, Quarkus, Jakarta EE, Hibernate, MapStruct, Lombok, Java EE, GlassFish, React, Model Context Protocol (MCP), SQL Server, Data-tier Application Package (DACPAC), Podman, Docker
5+ YOEBachelor's degree in IT or related field plus 5+ years of enterprise solutions and API development, or equivalent experience. Requires C#/.NET, Angular JS, SQL Server, AWS, microservices, REST APIs, and API security experience.
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States +1 more
$54k-$196k/yrOnsiteFull Time
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years software development, 2+ years API development and Git/Agile/testing, 1+ year MuleSoft development, MuleSoft Developer Level 1, and a bachelor's degree or equivalent experience.
United States or Alabama or Arkansas or California or Colorado or Florida or Georgia or Illinois or Kentucky or Massachusetts or Michigan or Montana or Missouri or Nevada or New Jersey or New York or North Carolina or Oregon or Pennsylvania or Texas or Washington or Utah or Virginia or Wisconsin
RemoteFull Time
Afresh: Private AI software helping grocery retailers order, manage, and sell food with less waste.
4+ YOEBachelor's degree in computer science or equivalent experience; 4+ years software development experience; project leadership, mentoring, and scalable API development experience. TypeScript and Azure are preferred.
Grand Junction or Mooresville or Wildwood or Santa Rosa or Fontana or Elgin or Del Rio or Green Bay or Tannersville or Katy or Irving or Norcross or Kettleman City or Westfield or Lakeville or Justin or Byhalia or Benicia or Phoenixville or Milton or Kernersville or Mesa or Marysville or Brooklyn or Kenosha or Edinburgh or Mansfield or McDonough or Irwindale or Lafayette or Warren or Wytheville or Elm City or Watertown or Riviera Beach or Webster or Walpole or Wilmington or Winchester or Wichita or Wichita Falls or Fishersville or Rothschild or Waco or Vernal or Las Vegas or Vidalia or Tyler or Texarkana or Twin Falls or High Point or Traverse City or Tucson or Tupelo or Tulsa or Tampa or Topeka or Walbridge or Tomah or Sylvester or Geddes or Sioux Falls or South Windsor or Saint Charles or Lathrop or Savannah or Springfield or Edison or Spokane Valley or San Antonio or Santa Maria or Salinas or St. Louis or West Valley City or Saint Joseph or San Jose or Sidney or Shreveport or Houston or Sacred Heart or Saint George or Bridgeville or Oakland or Seattle or San Diego or Pittston or University Park or South Bend or Bradenton or Salina or Saginaw or West Sacramento or Bloomington or Rock Springs or Box Elder or Henrietta or Roanoke or Lockwood or Rock Island or Richmond or Reading or Richfield or Rockford or Cumberland or Price or Portland or Pompano Beach or Parkersburg or Eighty Four or Tolleson or Pennsauken or Pensacola or Portland or Pasco or Parsons or Paducah or Oxnard or Neenah or Orlando or Orange or Otay Mesa or Omaha or Olympia or Oklahoma City or Farr West or Odessa or Ocala or Chesapeake or La Vergne or New Orleans or Conroe or Milford or Pendergrass or Middletown or New Castle or Milwaukee or Shoreview or Missoula or White Pine or Mobile or Bristow or West Monroe or Medley or Montgomery or Montgomery or Memphis or Central Point or Macon or Windsor or Ridgeway or Mason City or Lynchburg or Peru or Laredo or North Little Rock or Louisville or Lufkin or Lakeland or Bethpage or Carson or Carencro or Lexington or Lubbock or Montebello or Lansing or Knoxville or Kings Mountain or Kalamazoo or Bonner Springs or Kalispell or Richland or Jackson or Jersey City or Jonesboro or Jacksonville or Indianapolis or Blackfoot or Huntsville or Conover or Hagerstown or Honolulu or Carlisle or Duncan or Kentwood or Great Bend or Great Falls or Grand Island or Greensboro or Garland or Fort Worth or Fort Wayne or Fort Smith or Fresno or Farmington or Fort Myers or Florence or Flagstaff or Fayetteville or Fargo or Evansville or Erie or El Paso or Elko or Esko or Ankeny or Morrisville or Dothan or Troy or Des Plaines or Commerce City or Decatur or Dayton or Dallas or Crest Hill or Coburg or Wando or Dunbar or Corpus Christi or Casper or Thomasville or Colorado Springs or West Columbia or Columbus or Charlotte or Cleveland or Cookeville or West Chester or Chico or Cheyenne or Forest View or Ringgold or Cedar Rapids or Columbia or LaGrange or Canton or Bowling Green or Milton or Butte or Tonawanda or Baton Rouge or Boonton or La Feria or Dracut or Boise or Redmond or Beaumont or Billings or Bismarck or Birmingham or Bakersfield or Brownsburg or Curtis Bay or Austin or Augusta or Lithia Springs or Cartersville or Conley or Arden or Romulus or Anaheim or Amarillo or Duncansville or Bethlehem or Glenville or Afton or Albuquerque or Abilene
$109k-$136k/yrOnsiteFull Time
Old Dominion Freight LineNASDAQ: ODFL: A leading LTL motor carrier providing regional and national freight services.
4+ YOERequires 4+ years of Salesforce development, 2+ years of Tableau dashboard development, Apex, Salesforce architecture and API, integrations, SQL, version control, and Tableau Desktop and Server/Cloud experience.
Allen or Birmingham or Branson or Cedar Falls or Charlotte or Louisville or Monett or Springfield or Lenexa
HybridFull Time
Jack Henry & AssociatesNasdaq Global Select Market: JKHY: Public fintech providing core banking, payments, and software services to community and regional banks and credit unions.
9+ YOERequires 9+ years of software development, 4+ years with C#, 3+ years with APIs or web services, and design patterns or SOLID principles experience. Bachelor's degree and GCP experience preferred.
C#, API, Web Services, GCP (Google Cloud Platform)
Arizona or Connecticut or Massachusetts or Missouri or New Jersey or New York or Florida or Vermont or Virginia or Texas or Wisconsin
$65-$75/hrRemoteContract
Eliassen Group: N/A
Strong .NET/C# development experience, REST API and backend services, enterprise application development, integrations, production-grade applications, legacy modernization; must be located in listed states; W2 contract-to-hire.
Imperial PFS: Family-owned commercial premium finance serving businesses, individuals, agents, brokers, and policyholders across North America.
5+ YOEAssociate degree in Computer Science, IT, or related field required; Bachelor's preferred; 5+ years software development experience; C#, .NET, Azure, SQL, Web APIs, microservices; TDD and Agile experience.
C#, .NET, Microsoft Azure, Azure Functions, SQL, Web APIs, microservices, Azure Logic Apps, Angular, Entity Framework Core, Git
World Wide Technology: Global technology solutions provider and digital transformation partner.
10+ YOEBachelor's or master's degree preferred, or equivalent experience; 10+ years in application development. Requires JavaScript, Node.js, Vue.js, Java, Spring Boot, Python, RESTful APIs, Oracle, MongoDB, CI/CD, and AI coding tools.
UNCOMN: Service-disabled veteran-owned technology consulting firm delivering data, systems, and agile solutions to government and commercial clients.
3+ YOEBachelor's degree in engineering, computer science, or similar; 3+ years of software development experience with .NET, C#, Visual Studio, SQL, Windows, or Web APIs; Secret clearance eligibility required.
.NET, C#, Visual Studio, SQL, Windows, Web APIs, Agile, Object-oriented programming (OOP), Software Development Life Cycle (SDLC), Microsoft 401K
Evergy, Inc.Nasdaq: EVRG: Public electric utility serving 1.7 million customers in Kansas and Missouri through regulated operating subsidiaries.
5+ YOEBachelor's or advanced degree preferred in computer science or related field; 5+ years software development experience preferred; Microsoft Power Platform, Power Fx, SQL, Python, JavaScript, .NET, C#, APIs; valid driver's license.
Microsoft Power Platform, Power Apps, Power Automate, Dataverse, Power BI, SharePoint, Power Fx, SQL, Python, JavaScript, .NET, C#, APIs, Microsoft Copilot
Illinois or Arkansas or Idaho or Texas or Georgia or Montana or Iowa or Wisconsin or Oregon or Washington or Alaska or New York or District of Columbia or Connecticut or Nebraska or Rhode Island or Tennessee or Kentucky or Ohio or West Virginia or Maryland or Massachusetts or South Carolina or Missouri or Utah or Arizona or South Dakota or Pennsylvania or New Hampshire or Vermont or Minnesota or New Mexico or Michigan or California or Maine or North Dakota or Kansas or New Jersey or Indiana or Nevada or Louisiana or Mississippi or Oklahoma or Alabama or Virginia or North Carolina or Florida or Wyoming or Delaware
5+ YOE5+ years full stack development; 3+ years frontend frameworks and data visualization; 3+ years backend and API design; experience with databases, DevOps, AI APIs, troubleshooting, and automation scripting.
Edwardsville or Granite City or Scott Air Force Base or Scott Air Force Base or St. Louis or Missouri
$106k-$133k/yrRemoteFull Time
World Wide Technology: Global technology solutions provider and digital transformation partner.
5+ YOEBachelor's, master's, or MBA in computer science/programming, or 5+ years related experience. Requires JavaScript, Node.js, Python, Vue.js, TypeScript, HTML/CSS, APIs, databases, testing, and AI-assisted development experience.