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  •  ...innovative, flexible, and inclusive organization that attracts, develops, and inspires performance excellence and a sense of belonging....  ...business objectives. What You'll Do Perform administration of API Security, Cloud and SaaS Security Posture management, AI... 
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    Temporary work
    Work experience placement
    Work at office
    Home office
    Flexible hours
    3 days per week

    Edward Jones

    Saint Louis, MO
    1 day ago
  • $105.4k - $124k

     ...Software Engineer - Full Stack builds and supports web applications, APIs, business-tier components, and database solutions using...  ...who is comfortable with both front and back-end programming to develop and support existing and new applications. The main scope of work... 
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    Full time
    Local area
    3 days per week

    US Bank

    Saint Louis, MO
    4 days ago
  • $86.1k - $136.1k

     ...that redefines how we get work done? We are changing the way we develop, and we want you to be part of it! We are growing, with the mandate...  ...that every consuming team inherits compliance by default.Design APIs that last: Shape component APIs used by hundreds of applications... 
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    John Hancock

    Waterloo, IL
    2 days ago
  • $118k - $168k

     ...and client applications worldwide.Your ImpactAs a Lead Software Developer on the Intelligent Viewing team, you will play a key role in...  ...with rendering and visualization technologies such as Windows APIs, Skia, and WebGL.Strong knowledge of document and graphics formats... 
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    Worldwide

    OpenText

    Waterloo, IL
    4 days ago
  • $113k - $163k

     ...development, and deployment of full-stack data governance products and self-service capabilities on Azure and Databricks.Develop scalable backend services, APIs, and integrations using Python, FastAPI, Azure services, Informatica, ServiceNow, Microsoft Graph, and other... 
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    John Hancock

    Waterloo, IL
    11 hours ago
  • $118k - $177k

     ...of information management. Join us.Your Impact: The Principal Developer, IT - System Integrations is a senior technical leader responsible...  ...designing and building enterprise integration solutions and APIs.Strong expertise in:REST/SOAP APIs, microservices, and event-driven... 
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    OpenText

    Waterloo, IL
    2 days ago
  • $127.33k - $236.47k

     ...resilience, and customer experience.Drive the adoption of cloud-native, API-first, and AI-powered engineering solutions.Partner with Product...  ...business value.People Leadership & MentorshipBuild, mentor, and develop high-performing engineering teams across multiple squads.Foster... 
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    Local area

    John Hancock

    Waterloo, IL
    2 days ago
  • $113k - $163k

     ...secure, reliable, and efficient solutions.What You'll DoDesign, develop, and implement cloud-based applications and infrastructure solutions...  ...and Infrastructure-as-Code practices.Develop and maintain APIs, web services, and integration solutions across enterprise platforms... 
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    Temporary work
    Local area
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    John Hancock

    Waterloo, IL
    1 day ago
  • $86.1k - $136.1k

     ...you anywhere you want to go.Position Responsibilities:Designs, develops, tests, delivers, maintains, and improves business applications...  ...software development lifecycle.Designs end-user interfaces, databases, APIs and server-side logic while maintain both front and back-end web... 
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    John Hancock

    Waterloo, IL
    2 days ago
  •  ...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... 
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    Remote work
    Night shift

    CEdge Inc

    Saint Louis, MO
    5 days ago
  • $113k - $163k

     ...build intelligent, cloud‑native applications that integrate modern software engineering principles with emerging AI capabilities.Develop APIs, microservices, and distributed systems that support AI‑driven features, autonomous workflows, and real‑time inference.Prototype... 
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    John Hancock

    Waterloo, IL
    3 days ago
  • $41.39 - $65.43 per hour

     ...generation of omni-channel experiences.Position ResponsibilitiesDesign, develop, and enhance Virtual Assistant and conversational AI solutions...  ...servicing experiences.Develop scalable applications and APIs using C#, .NET Core, ASP.NET, REST services, and microservices architecture... 
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    John Hancock

    Waterloo, IL
    39 minutes agonew
  • $97.13k - $129.5k

     ...maintain, and enhance existing applications and systems* Design, develop, test, and implement software solutions and system improvements*...  ...and PL/SQL; Microsoft SQL Server and T-SQL; Web services, APIs, SOAP, WCF, XML, and LINQ* Strong analytical, troubleshooting, and... 
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    Full time
    Local area

    KForce

    Saint Louis, MO
    2 days ago
  • $113.26k - $210.34k

     ...software engineering and autonomous SDLC practices to improve developer productivity and engineering effectiveness.Partner with Architecture...  ...CI/CD, DevSecOps, automated testing, cloud-native development, APIs, observability, release management, and operational resilience.... 
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    John Hancock

    Waterloo, IL
    2 days ago
  •  ...Oracle Xstore Developer Location: St. Louis, MO Job description 7+ yrs of total experience 5+ yrs of experience in Oracle Retail...  ...and other SDLC activities. Experience developing and designing API integrations using SOAP/RESTful/JSON. Excellent problem... 
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    E-Solutions

    Saint Louis, MO
    5 days ago
  • $140k - $200k

     ...are seeking a talented Back End Software Engineer to design, develop, and maintain scalable, secure, and high-performance server-side...  ...and maintain robust, scalable, and efficient back-end systems and APIs. Develop new features and enhance existing services using... 
    Full time

    Latitude

    Saint Louis, MO
    11 hours ago
  • $118k - $168k

     ...leader in the Gartner Magic Quadrant.We are expanding our Fortify Cloud development team and are looking for a self-motivated Software Developer who enjoys solving complex technical challenges at scale. In this role, you will help design and build the next generation of... 
    Work at office

    OpenText

    Waterloo, IL
    2 days ago
  •  ...configuration across incident, request, change, problem, knowledge, and asset processes.Develop and maintain integrations between Halo ITSM, Jira, and other enterprise systems using APIs, webhooks, and middleware.Troubleshoot complex integration issues, data... 

    Stifel Financial

    Saint Louis, MO
    2 days ago
  • $107.9k - $195.05k

     ...Candidate We're looking for someone who is more than a front-end developer. You are passionate about how technology feels and functions...  ...tooling. Experience developing or consuming RESTful APIs and integrating UI applications with backend services. Experience... 
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    Local area
    Immediate start

    Leidos

    Belleville, IL
    5 days ago
  •  ...your expertise in Angular, TypeScript, and JavaScript to design, develop, and optimize web applications that are highly performant,...  ...Familiarity: Basic understanding of backend technologies (Node.js, REST APIs) to facilitate front-end integration. Performance Tuning:... 
    Work at office
    Immediate start
    Remote work

    3B Staffing LLC

    Saint Louis, MO
    3 days ago
  •  ...IS Mobile Developer As a developer within the Mobile team, you'll help lead our efforts to establish our mobile development capabilities...  ..., trends, and emerging technologies. Experience with REST APIs and JSON data structures. Strong written and verbal... 
    Work experience placement

    The Timberline Group Company

    Saint Louis, MO
    3 days ago
  • $107.9k - $195.05k

     ...requirement.Python software development experience that includes REST api development, as well as the parsing, generation and validation...  ...version control software such as Git and Bitbucket.Experience developing software on a Linux platform.Experience troubleshooting and... 
    Full time
    Contract work

    Leidos

    Shiloh, IL
    11 hours ago
  •  ...Interview Process: 3 rounds will be Zoom Video Strong Java developer with very good understanding of micro services. Grasp of software...  ...critical production systems Solid understanding of modern API design and Restful principles Fluent with git (preferred) or... 
    Work experience placement

    Zortech Solutions

    Saint Louis, MO
    2 days ago
  •  ...trends and be willing to quickly learn new technologies in order to develop innovative solutions in response to client specific business...  ...the Force.com platform (Apex Code, Visualforce Pages, Web Service APIs)Development experience with Java, C# or VB.NetUnderstanding... 
    Work at office
    Remote work

    NTT DATA

    Saint Louis, MO
    2 days ago
  •  ...TitleInterview Process: 3 rounds will be Zoom VideoStrong Java developer with very good understanding of micro services.Grasp of software...  ...operating critical production systemsSolid understanding of modern API design and Restful principlesFluent with git (preferred) or... 
    Work experience placement

    Zortech Solutions

    Saint Louis, MO
    5 days ago
  •  ...Senior Developer Position Need senior resource, average candidate won't work here. Must have: Spring Boot Cloud (Java Microservices...  ..., Kafka, Oracle, WebLogic EJB (good to have, old application is in EJB), Microservice based architecture (RESTful api)... 

    The Timberline Group Company

    Saint Louis, MO
    3 days ago
  •  ...Role Overview We are seeking experienced Java Full Stack Developers to join our team in St. Louis, MO (Onsite) The role requires...  ...gather and analyze requirements. Build and optimize REST APIs and integrate with external systems. Develop responsive UI... 

    Purple Drive

    Saint Louis, MO
    5 days ago
  •  ...Experience Required: Required Experience: Experience building applications using Java and PCF Extensive experience with Java APIs Experience with web technologies, including HTML, JavaScript and front-end frameworks such as Angular Ability to optimize... 
    Hourly pay
    Contract work
    H1b
    Relocation

    Veracity

    Saint Louis, MO
    14 hours ago
  •  ...Title: Java Full Stack Developer Location: Saint Louis, MO 63131 Duration: 12 months Detailed Job Description Technical Leadership...  ...~ Maintain clear technical documentation for systems, APIs, integrations, and microservices. ~ Ensure compliance with... 

    eTeam

    Saint Louis, MO
    5 days ago
  • $113k - $163k

     ...text-heavy and data-intensive enterprise use cases.Full-Stack Engineering & Delivery Design, develop, test, and maintain full-stack applications including user interfaces, APIs, backend services, and integration layers for scalable enterprise applications with AI-enabled... 
    Full time
    Temporary work
    Local area
    Flexible hours

    John Hancock

    Waterloo, IL
    11 hours ago