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  • Principal Systems Engineer - Enterprise API Platform & GraphQL Engineering

    $119.77k - $140.9k

     ...new skills and discover what you excel at—all from Day One.Job DescriptionWhat You'll DoAct as the technical SME for our enterprise API ecosystem, leading engineering efforts across Apigee OPDK, Apigee Hybrid (Azure), and Apollo GraphQL platforms.Design and deliver secure... 
    Suggested
    Full time
    Work experience placement
    Local area
    3 days per week

    US Bank

    Chicago, IL
    2 days ago

  • Senior API Migration Engineer (REST APIs - Cloud Migration)

     ...Description Remote Our client seeks a Senior API Migration Engineer to lead the migration, validation, and optimization of REST APIs from on-prem Exadata to Oracle Database in the cloud. The role focuses on compatibility remediation, authentication alignment, performance... 
    Suggested
    Remote work

    Eliassen Group

    Chicago, IL
    3 days ago

  • .Net API Developer

     ...Job Title Designs, builds and unit tests new and modified functionality features as related to sprint deliverables .Net API Developer with microservices and AWS cloud experience Provide technical insights to support release planning, including user stories breakdown... 
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    Omni Inclusive

    Chicago, IL
    4 days ago

  • java API Developer (GC--USC)

     ...least 3 years of experience in Tomcat, or other major commercial application servers • At least 2 years of experience in OAuth2 or some API authentication mechanism• At least 2 years of experience in API tooling like Swagger or RAML along with Unit testing and code review... 
    Suggested
    Permanent employment
    Full time
    H1b

    Sonsoft

    Chicago, IL
    1 day ago

  • Java API / Publication Engineer

    $130k - $150k

    We are looking for a Senior Backend Java Developer to design and build the core backend services of a Master Data Management platform for...  ...Boot.Strong experience with microservices architecture, RESTful API design, and event-driven patterns.Proficiency with AWS cloud services... 
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    EXL Service

    Chicago, IL
    5 days ago

  • Senior Backend/API Security Developer

    $82k - $123k

    Senior Backend/API Security DeveloperLead II - Software EngineeringWho We Are:Born digital, UST transforms lives through the power of...  ....com.You Are:UST is searching for a Senior Backend/API Security Developer (B2) with strong expertise in Python, Node.js, or Java and AWS,... 
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    Full time
    Temporary work
    Part time
    Work at office
    Local area
    Remote work
    Flexible hours

    UST Global

    Chicago, IL
    5 days ago

  • Lead Software Engineer, API Integrations

    $150k - $170k

     ...architectural directions. Support and mentor junior designers and developers through knowledge sharing, collaboration and effective problem...  ...-focused engineer who can operate across front end, backend, API integrations, security, and cloud infrastructure. They should be... 
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    Full time

    CIBC Bank

    Chicago, IL
    2 days ago

  • Lead Software Engineer - API, AI, and Agentic Gateway Platform

    $126.82k - $149.2k

     ...team designs, builds, and operates secure, compliant, and scalable API, AI, and cloud-native platforms that power digital services...  ...platforms meet regulatory expectations while delivering a high-quality developer experience. Our mission is to enable secure, standardized, and... 
    Suggested
    Full time
    Work experience placement
    Local area
    3 days per week

    US Bank

    Chicago, IL
    4 days ago

  • Principal CX/UX Designer (API Developer Platform) - Hybrid (CT/ET) R0060120

    $133.4k - $238.4k

    Principal CX/UX Designer (API Developer Platform) - Hybrid (CT/ET) R0060120 About the Role: As a Principal CX/UX Designer for the Tax & Accounting API Developer Platform, you will lead the design of the experiences developers use to discover, evaluate, integrate, and operate... 
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    Full time
    Work at office
    Worldwide

    Wolters Kluwer

    Chicago, IL
    4 days ago

  • Junior Full Stack Engineer Looking for a junior full stack engineer with experience using React, TypeScript, Python, Flask, REST APIs, SQL, Git, and GitHub. The ideal candidate is eager to learn, communicates well, enjoys solving problems, and is excited

     ...React, TypeScript, Python, and Flask. The successful candidate will be instrumental in developing both front-end and back-end components of our web applications, working with REST APIs, and managing SQL databases. This role is perfect for someone who is a passionate... 
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    AI Front desk

    Chicago, IL
    more than 2 months ago

  • Revit API Software Engineer | New York, NY

    $90k - $130k

     ...local-team relationships, ONE IMEG cultureIMEG is hiring a Revit API Software Engineer -Remote- to build new engineering automation...  ...computer science, CIS preferredMinimum 5 years of experience developing against Autodesk Revit APIProficiency in WPF FrameworkKnowledge... 
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    Full time
    Local area
    Remote work
    Flexible hours
    Night shift

    IMEG

    Naperville, IL
    3 days ago

  • Sr. Platform Mobile Engineer (Remote)

     ...services and APIsImplement cloud-based solutions using Google Cloud Platform servicesEnsure proper state management using Redux, Context API, or similar solutionsOptimize mobile applications for performance, security, and scalabilityDiagnose and resolve mobile-specific... 
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    Remote work

    Inspira Financial

    Oak Brook, IL
    4 days ago

  • Lead Platform Software Engineer (Remote)

     ...libraries. The ideal candidate will have a strong background in developing consumer-facing digital products in collaboration with product...  ...Responsibilities: Design, develop, and test applications (e.g. API, web apps) in accordance with established standards. Collaborate... 
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    Temporary work
    Remote work

    Inspira Financial

    Oak Brook, IL
    3 days ago

  • Senior .NET Developer

    $106k - $146k

     ...navigate here to apply internally.We are seeking a Senior .NET Developer responsible for building cloud native .NET applications. Your primary...  .../.NET/AzureSQL3+ years of experience with backend/database and API developmentExcellent programming skills and hands-on experience... 
    Suggested
    Full time
    Worldwide

    Elkay

    Downers Grove, IL
    4 days ago

  • Sr. Platform Software Engineer

     ...lifelong learners in a constant quest to be a team that is greater than the sum of its parts. Come join us!Design, develop, and test applications (e.g. API, Web apps) in accordance with established standards.Work closely with design and product teams to ship delightful,... 
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    Inspira Financial

    Oak Brook, IL
    2 days ago

  • Sr. Software Engineer II, Platform/API

    $140k - $190k

     ...significantly impact account approvals, time-to-funding, and how quickly we can open the platform to new markets.In this role you will:Design, develop, and maintain Node.js and TypeScript services that orchestrate account creation, identity verification, agreement handling, and... 
    Work at office
    Remote work
    Worldwide
    Monday to Friday
    Flexible hours

    NinjaTrader Group

    Chicago, IL
    3 days ago

  • Salesforce Software Engineer II (Remote)

     ...Engineering team. This role is ideal for a hands-on Salesforce developer who enjoys solving business problems through scalable technical...  ...Salesforce and internal/external enterprise systems using REST APIs, SOAP services, event-driven patterns, and middleware technologies... 
    Remote work

    Inspira Financial

    Oak Brook, IL
    4 days ago

  • Sr. Cloud Engineer

     ...troubleshooting and support.• Utilize programming skills to design and develop programs or scripts for various repetitive functions.• Performs...  ...PaaS and SaaS solution development technologies including Azure API Management, Azure Functions, Logic Apps etc.o JSON, REST and... 

    Inspira Financial

    Oak Brook, IL
    1 day ago

  • Lead Enterprise Application Engineer

    $110k

     ...manages application roadmaps, executes technical initiatives, and develops future engineering leadership. What you’ll do1. Own enterprise...  ...architecturePartner with development teams to deliver reliable APIs, EDI connections, data feeds, and other system integrations.Assess... 
    Full time
    Immediate start

    Roadrunner Freight

    Downers Grove, IL
    3 days ago

  • Team Lead, Python/Django Engineer

     ...schema tuning).Design and lead enterprise integration architecture - event-driven and asynchronous patterns, message queues, third-party API integrations, and multi-consumer data fan-out across downstream systems.Lead code review and pairing on the team's hardest and... 
    Local area

    Follett Corporation

    Westchester, IL
    5 days ago

  • Backend .NET Developer

     ...Role: Backend .NET Developer Location: Westchester, IL – 3 days onsite – 2 days remote Contract Job   Important notes: Need...  ...-on experience implementing integrations using Azure services, APIs, and messaging systems. #5–8+ years of experience in .NET development... 
    Contract work
    Temporary work
    Local area
    Remote work

    Lorven technologies

    Westchester, IL
    4 days ago

  • Lead ServiceNow Engineer

    $89k - $148.1k

     ...matter expert for ServiceNow and is responsible for designing, developing, integrating, troubleshooting, and continuously improving solutions...  ...Scripts, UI Policies, ACLs, notifications, Service Catalog, APIs, scheduled processing, and related ServiceNow technologies.... 
    Full time
    Work at office

    Kemper Corporation

    Downers Grove, IL
    4 days ago

  • Senior Salesforce Developer

     ...logistics and technology organization is seeking a Senior Salesforce Developer to join its growing engineering team. This full-time opportunity...  ...who thrives in Apex development, Lightning Web Components, API integrations, and enterprise-scale Salesforce architecture.... 
    Full time

    Motion Recruitment

    Elmhurst, IL
    6 days ago

  • Senior Salesforce Developer

    $120k - $135k

     ...Description Senior Salesforce Developer Only candidates local to the Chicagoland area will be considered Hybrid: In Office Every...  ...and Visualforce pages into modern patterns. Integrations & APIs: Design, build, and maintain high-throughput integrations. We... 
    Work at office
    Local area
    Flexible hours

    MedSpeed

    Elmhurst, IL
    3 days ago

  • Senior .NET Full Stack Developer

    $50 - $65 per hour

     ...Job Description Job Description Senior .NET / Full Stack Developer Location: Oak Brook Area, IL Employment Type: 12-Month Contract...  ..., and platform direction. ·        Build and integrate APIs, front-end applications, databases, and cloud-based services.... 
    Hourly pay
    Permanent employment
    Contract work
    Local area

    Addison Group

    Oak Brook, IL
    a month ago

  • Lead Software Engineer (.NET)

    $120k - $130k

     ...operation runs on software we build ourselves. We're modernizing our core platforms, moving off legacy systems and onto cloud-native, API-first services on Azure. We also have AI use cases running in production and are expanding them carefully.As Lead Software Engineer (... 
    Full time
    3 days per week

    Roadrunner Freight

    Downers Grove, IL
    5 days ago

  • Blazor/C# Developer

     ...doing test-first development with continuous integration ~ Experience doing both front-end and back-end web development with REST APIs ~ Proficiency in at least at least one modern SPA framework like React, Angular, etc. ~ Proficiency in HTML, CSS, JavaScript ~... 
    Full time

    Request Technology, LLC

    Chicago, IL
    1 day ago

  • Software Engineer II

     ...on full-stack engineer with experience building microservices, developing backend services using Java and Spring Boot, and creating responsive...  ...Experience designing and developing microservices and RESTful APIs. Experience building front-end applications using Angular.... 

    Verisk Analytics

    Hinsdale, IL
    1 day ago

  • Senior Software Engineer

     ...CI/CD, security, observability, and documentation.Leverage AI developer tools (e.g., GitHub Copilot, Claude, Cursor) effectively to accelerate...  ...NET Core / C# - expert-level experience designing and building APIs, microservices, and back-end systems; strong grasp of design... 
    Full time

    RB Global

    Westchester, IL
    3 days ago

  • Software Engineer

     ...ownership of components within our microservices architecture — design, develop, enhance, and maintain them with quality and reliability in mind...  ...-team environment..NET Framework / .NET Core / C# - developing APIs, services, and back-end business logic.React - Understanding &... 
    Full time

    RB Global

    Westchester, IL
    3 days ago