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  • A technology solutions company in Chicago is seeking a .NET Developer to design and maintain web applications and APIs. The role requires expertise in the Microsoft .NET ecosystem, strong problem-solving skills, and experience with ERP systems, especially Microsoft Dynamics... 
    Suggested

    JazzHR

    Chicago, IL
    4 days ago
  •  ...engineer to join their Product Engineering team. In this role, you will focus on backend development, specifically building RESTful APIs using Java Spring Boot, while working to ensure scalability and performance. The ideal candidate will have strong skills in programming... 
    Suggested

    RB Global Inc.

    Chicago, IL
    1 day ago
  •  ...Chicago is looking for a motivated Full Stack Developer with 0-7 years of experience. The role...  ...front-end and back-end components of web applications. Proficiency in Python and understanding...  .... Candidates should be able to design APIs, collaborate across teams for UI/UX... 
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    Stealth Startup

    Chicago, IL
    3 days ago
  • A leading broad line distributor is seeking a Lead Software Engineer to design and build the Order submission API. This role requires ownership of backend architecture decisions and collaboration with product managers and stakeholders. The ideal candidate will have expertise... 
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    Flexible hours

    W. W. Grainger

    Chicago, IL
    3 days ago
  • $111.3k - $174.9k

     ...provider in Chicago is seeking a Full Stack Developer with expertise in Python and Django. The...  ...of experience in developing scalable web applications. Responsibilities include designing...  ...with teams, and implementing RESTful APIs. Compensation ranges from $111,300 to $17... 
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    Paychex Deutschland GmbH

    Chicago, IL
    5 days ago
  •  ...applications. The ideal candidate will have strong backend engineering skills, particularly with FastAPI and REST APIs. Key responsibilities include developing scalable backend services, integrating AI capabilities using LLMs, and collaborating within Agile teams. This... 
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    Saroe Inc

    Chicago, IL
    2 days ago
  • A tech solutions firm in Chicago is seeking a mid-level SDET to design, build, and maintain automated UI and API tests using Playwright. The role requires 3-6+ years of experience in QA automation and strong TypeScript/JavaScript skills. Responsibilities include implementing... 
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    CCC Intelligent Solutions

    Chicago, IL
    5 days ago
  • A leading tech company based in Chicago is hiring a Mobile Developer V to design and develop secure, mobile-optimized APIs optimized for high-performance applications. The role demands strong experience in cloud-native environments and an understanding of security best... 
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    Compunnel, Inc.

    Chicago, IL
    5 days ago
  • An innovative firm is seeking a skilled .NET API Developer to join their team in Chicago. This exciting role involves designing and building new functionalities, with a focus on microservices and AWS cloud integration. You'll play a crucial part in the development process... 
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    Contract work

    TechDigital Group

    Chicago, IL
    4 days ago
  •  ...Type: Full Time Salary: 70K- 85K Department: IT Location: On-site (5 days a week) Seeking a .NET Developer to design, build, and maintain web applications and APIs that integrate with business systems and internal platforms. The ideal candidate has strong experience... 
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    Permanent employment
    Full time
    H1b

    JazzHR

    Chicago, IL
    4 days ago
  • A technology company in Chicago seeks a skilled developer proficient in React + TypeScript and .NET 9 (C#). The role involves building and integrating APIs, implementing Cosmos DB, and contributing to AI features with tools like Azure OpenAI. Candidates should be adept... 
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    Ethereum Technologies LLC

    Chicago, IL
    4 days ago
  •  ...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... 
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    For contractors

    TechDigital Group

    Chicago, IL
    2 days ago
  •  ...in Chicago, Illinois, is seeking a professional with advanced expertise in .NET development, including .NET Framework and ASP.NET Web API. The successful candidate must possess strong verbal and written communication skills and a Bachelor’s degree or equivalent experience... 
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    Career Guidant Inc.

    Chicago, IL
    5 days ago
  • $120k - $125k

    A leading financial services firm is seeking a Software Engineer in Chicago to design and implement software solutions that meet business needs. The ideal candidate will have a Bachelor's degree in Computer Science or related field and 3 years of experience using Java, ...
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    JPMorgan Chase & Co.

    Chicago, IL
    1 day ago
  • $97.95k - $139.92k

     ...Mobile/Web Developer (.Net) Location US-IL-Chicago Job ID 2026-0021 & 2026-0022 # Positions 2 Experience...  ...cross-browser compatibility/development, and RESTful Services and APIs are all a definite plus. Experience using automation and... 
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    Work at office
    Local area
    Remote work
    Relocation
    Flexible hours

    Air Line Pilots Association

    Chicago, IL
    4 days ago
  • $120k - $150k

     ...leading global real estate services firm is looking for a Full Stack Software Engineer in Chicago, IL. The role involves designing and developing applications for next-generation AI assistants. Candidates should have at least 7 years in full stack development, with strong... 

    Jones Lang LaSalle Incorporated

    Chicago, IL
    3 days ago
  •  ...real estate firm is seeking a Full Stack Software Engineer to design and maintain applications for AI systems. The role includes developing scalable enterprise applications and optimizing performance. Candidates should have at least 7 years of experience, proficient in... 

    Jones Lang LaSalle Incorporated

    Chicago, IL
    2 days ago
  • $113.3k - $181.3k

    A leading audio technology company is seeking a Senior Full Stack Developer to design innovative middleware solutions for device communication. The role requires expertise in Node.js and TypeScript, with responsibilities including developing cross-platform applications... 
    Remote work

    Shure Incorporated

    Niles, IL
    2 days ago
  • $61.09k - $104.36k

     ...locationIndustriesChoose a partner with intimate knowledge of your industry and first-hand experience of defining its future.# Java API EngineerChicago, Dallas, Irving, New YorkChoosing Capgemini means choosing a company where you will be empowered to shape your career... 
    Full time
    Local area

    Capgemini

    Chicago, IL
    1 day ago
  • A leading automation technology firm is seeking a Senior Developer to manage and develop web and API applications. The ideal candidate will have 10-12 years of experience, proficiency in Java, Spring Boot, and DevOps practices. This role involves collaborating within Agile... 

    Robotics Prcocess Automation, LLC

    Chicago, IL
    4 days ago
  • $61.09k - $104.36k

    A leading technology company is seeking a Java API Engineer in Chicago to develop applications using Java and Spring Boot. The role involves writing unit tests, supporting API testing, and participating in DevOps processes. Candidates should have a good understanding of... 

    Capgemini

    Chicago, IL
    1 day ago
  •  ...Description: We are seeking a talented and highly motivated Web Developer to join our dynamic team. The ideal candidate will have a strong...  ...appealing user interfaces. Integrate Web Services (Web API, WCF) to enable data communication between web applications and... 
    Work experience placement

    InterSources

    Chicago, IL
    1 day ago
  • A government contracting firm seeks an experienced Full Stack Web Developer in Chicago. This position focuses on developing vital software solutions for enterprise applications, with responsibilities that include software application development and automation. Ideal candidates... 

    CGS Federal (Contact Government Services)

    Chicago, IL
    5 days ago
  •  ...seeking a Junior Software Engineer to work on full-stack and mobile development projects. You will develop both iOS and Android applications, contributing to backend services, APIs, and cloud infrastructure. Strong problem-solving and communication skills are essential,... 

    onceLabs LLC

    Chicago, IL
    2 days ago
  •  ...Title: .NET/Angular Full Stack Developer Location: on-site, 5 days per week - Chicago, IL Job Description: Project Summary...  ...experience. Demonstrated strength in back-end development (Web API, WCF, etc) with a strong grasp of RESTful API's. Strong SQL... 

    RIT Solutions, Inc.

    Chicago, IL
    5 days ago
  •  ...Job Title: ServiceNow UI Developer Location: Mountain View, CA Position Overview: We are seeking a skilled ServiceNow UI Developer...  ...Integrate ServiceNow with external systems using REST and SOAP APIs to ensure seamless data flow and process automation.... 

    Info Way Solutions

    Chicago, IL
    4 days ago
  • $60 - $70 per hour

    Senior .NET Fullstack Developer (Airlines Domain) Posted On 04/07/2026 Job Information Airline - Aviation Work Experience 10 + years $60...  ...Basic .NET) and HTML5/CSS3 Familiarity with architecture styles/APIs (REST, RPC) Understanding of Agile methodologies, .Net Core,... 
    Hourly pay
    Work experience placement
    Local area
    2 days per week

    Appex Innovation

    Chicago, IL
    2 days ago
  •  ...data ingestion, and prompt templating. MCP Server Engineering: Develop and maintain high-performance MCP servers to standardize data access...  ...), vector stores (OpenSearch), and distributed caches (Redis). API & Protocol Mastery: Define contract-first development standards... 
    Contract work

    Mphasis

    Chicago, IL
    3 days ago
  •  ...focused organization is seeking a Full-Stack Developer to join their team in Chicago. This role emphasizes...  ...while also contributing to backend API development with C# and .NET. Responsibilities include building modern web applications and ensuring performance and security... 

    recruit22

    Chicago, IL
    1 day ago
  •  ...Collaborate with backend engineers to integrate RESTful APIs, ensuring seamless data flow between the front-end and...  .... What You Will Gain Hands‑on exposure to developing production‑level public websites, web applications, and mobile applications with modern technologies... 
    Internship

    Prospect Equities, Inc.

    Chicago, IL
    1 day ago