Average salary: $147,500 /yearly

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  • 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... 
    Suggested

    EXL Service

    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
    5 days ago

  • Java Backend Engineer - RESTful APIs & Scalable Services

     ...diagnostics company is seeking a Software Engineer to design and develop well-structured code and manage the entire product development...  ...development with a team, and ensuring robust service delivery through API development and testing. Candidates should have 1-3 years in... 
    Suggested

    Quest Diagnostics

    Chicago, IL
    4 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
    2 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... 
    Suggested
    Full time

    CIBC Bank

    Chicago, IL
    1 day ago

  • Senior Java Engineer: Scale APIs & Own Deliverables

    $154k - $243k

     ...launching functionalities early in your tenure. The ideal candidate has 5+ years in software development, proficiency in Java, REST APIs, and strong coding practices. This role is office-first, emphasizing in-person collaboration with a competitive salary range from $1... 
    Suggested
    Work at office

    EngineersOfAI

    Chicago, IL
    1 day ago

  • .Net API Developer

     ...Responsibilities: 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... 
    Suggested
    For contractors

    TechDigital Group

    Chicago, IL
    3 days ago

  • Java API Developer

     ...Java API DeveloperDuration: Long Term ContractLocation: Chicago, ILJob Description:Lead Behavioral Technology data engineering delivery and create data foundation to enable Behavioral strategic pillars. Participate in sessions to design API solutions centered around Kafka... 
    Suggested

    Samprasoft

    Chicago, IL
    3 days ago

  • Java API Developer

     ...application development (8+ years)Must have experience with JavaMust have experience with Spring / Spring BootMust have experience with REST API/ MicroservicesMust have experience with API integration and development.Must have experience with AWS/AzureMust have experience with... 
    Suggested

    Samprasoft

    Schaumburg, IL
    3 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... 
    Suggested
    Full time
    Work at office
    Worldwide

    Wolters Kluwer

    Chicago, IL
    4 days ago

  • Senior Python Developer - API & Big Data

     ...DYVICC Inc. is seeking a seasoned Python Developer to join our Hoffman Estates, IL office. The role involves leading complex initiatives, building APIs with Python, and leveraging cloud platforms. You will work with Spark, Hadoop tools, and data science libraries in... 
    Suggested
    Work at office

    Dyvicc

    Hoffman Estates, IL
    2 days ago

  • Contract Role: Senior ETF Platform Developer_ Downers Grove, IL (Hybrid)

     ...Job Description Job Title: Senior ETF Platform Developer \n Location: Downers Grove, IL (4days Onsite, 1 day Remote) \n Job Type...  ...Architecture and platform improvement \n • Introduce clear APIs and service boundaries, reusable components and consistent integration... 
    Suggested
    Permanent employment
    Contract work
    Remote work
    Shift work

    TechnoSphere, Inc.

    Downers Grove, IL
    4 days ago

  • Full-Stack Developer: Build Scalable Web Apps & APIs

     ...tech company in Chicago is looking for a motivated Full Stack Developer with 0-7 years of experience. The role involves building and maintaining...  ...systems are essential. Candidates should be able to design APIs, collaborate across teams for UI/UX implementation, and ensure... 
    Suggested

    Stealth Startup

    Chicago, IL
    4 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
    5 days ago

  • Senior Software Engineer - Finance APIs (Hybrid Chicago)

     ...management firm to hire a Senior Software Engineer for a January/February 2027 start. You will design and build enterprise services and APIs that power investment and financial data across the firm. The role demands strong technical excellence and the ability to partner... 
    Suggested
    January start

    Davies Talent Solutions

    Chicago, IL
    5 days ago

  • Sr. Cloud Cybersecurity Architect - United States

    $175k - $205k

     ...regulatory requirements is non-negotiable, the team proactively develops, enhances, and operates robust cybersecurity programs designed to...  ...-on experience securing serverless, containerized, and API-driven workloads at scaleDirect experience supporting aerospace... 
    Remote work
    Worldwide
    Flexible hours

    Molex

    Lisle, IL
    5 days ago

  • .Net Developer Lisle IL (onsite)

     ...Job PostingRole:.NET Developer Position: Lisle IL (onsite) Duration: Long TermRole Title: .NET Developer with 10 Years of Experience: We...  ...software with speed in a fast-paced environment.Requirements:C#, Web API, MVC, Razor, HTML5, CSS, JavaScript, jQuery, Bootstrap, SQL... 

    Software Technology Inc

    Lisle, IL
    4 days 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

  • Impactful .NET Web API Developer (Contract)

    A consulting firm is looking for a web development professional to enhance user experience and customer retention. You will lead the development of application components and oversee innovative web technologies for campaigns, ensuring operational effectiveness. Responsibilities...
    Contract work

    Sonoma Consulting

    Rosemont, IL
    3 days ago

  • Salesforce Production Support Engineer

     ...\n ~ Experience working with managed packages, integrations, APIs, and the Salesforce permission model; \n ~ Experience with release...  ...\n Salesforce certifications (e.g., Administrator, Platform Developer I/II). \n \n \n If you’re looking to contribute to global... 
    Full time
    Contract work
    Monday to Friday

    Customertimes

    Lisle, IL
    4 days ago

  • Lead Data Engineer - AI-Ready Cloud Platform (Onsite IL)

     ...architecture and build AI-ready data solutions for leasing datasets. You will design a governed data foundation, develop reliable pipelines, and expose data through APIs for enterprise use. The role requires 7+ years of data engineering experience, hands-on cloud expertise (... 

    DataJobs.com

    Westmont, IL
    3 days ago

  • Senior Software Engineer (.NET/React Developer)

     ...Job Title: Senior Software Engineer (.NET/React Developer) Primary Location: Lisle, IL (4 days Onsite) Position Type: Contract OVERVIEW...  ...development experience with ReactJS Experience developing Web APIs in .NET Core Experience writing extensive unit tests and Web API... 
    Contract work
    Visa sponsorship

    Gulf Coast Automation Group

    Lisle, IL
    3 days ago

  • Senior Software Engineer (.NET / React / Cloud)

    $135k - $170k

     ...Senior Software Engineer , you will play a key role in designing, developing, and supporting enterprise-grade software solutions that power...  ...JavaScript, and TypeScript. Develop and maintain RESTful APIs and distributed services. Build scalable microservices and... 
    Full time

    recruit22

    Downers Grove, IL
    1 day ago

  • Python Developer

     ...Strong SQL and experience with cloud platforms (AWS preferred). ~ API design and integration, automated testing, CI/CD, Git. ~ You...  ...workflows, AI-assisted SDLC. Responsibilities Design, develop and maintain production-grade Python applications and APIs. Refactor... 
    Full time
    Work at office
    2 days per week
    3 days per week

    KTek Resourcing

    Downers Grove, IL
    2 days ago

  • API Developer

     ...API DeveloperThis position is on the API Management team within the client’s digital team. The team is responsible for the process,...  ...areas for growth and improvement within the teamGuide the team to develop a structured application/interface code, new program... 
    Casual work
    Work at office
    Flexible hours
    Shift work
    Weekend work

    Argyle Infotech

    Chicago, IL
    4 days ago

  • API Developer

     ...API DeveloperLocation: Strongsville, OH / Pittsburg, PA / Dallas, TX / Chicago, IL / Phoenix, AZDuration: Full TimeJob Description...  ...Required minimum of 6 years professional experience designing and developing Rest APIs and other (Kafka) Data Streaming services.Experience... 
    Immediate start

    JConnect Infotech

    Chicago, 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

  • 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

  • .NET Application Developer

    $72 per hour

     ...Job ID J53596 Job Title: .NET Application Developer Location: Lisle, IL Duration: 9 Months + Extension Domain Exposure: Media/ Entertainment...  ...and enhance applications using React, C#, MVC, .NET Core, Web APIs, and SQL Server, with occasional support for an Angular-based... 
    Contract work
    H1b
    Local area

    Machine Learning Technologies LLC

    Lisle, IL
    1 day ago

  • Lead Software Engineer - Enterprise Applications

     ...development strategy for custom-built applications across web, APIs, services, and integrations. This role is ideal for a hands-on technical...  ...are as tough and as smart as the people who drive them. We also develop Fleetrite® aftermarket parts. In everything we do, our vision is... 
    Permanent employment
    H1b
    Visa sponsorship

    International Motors

    Lisle, IL
    1 day ago