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  • $206k - $303k

     ...organization owns the customer-facing interfaces to our platform: Console UI REST/gRPC APIs Infrastructure-as-Code CLI and SDKs. This team is responsible for delivering a unified secure scalable developer experience across products and services. About the role: CoreWeave is... 
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    CoreWeave

    Manhattan, IL
    2 days ago
  • $140k - $200k

    A leading technology company is seeking a skilled Backend Developer to design and maintain APIs that support essential services like payment and subscriptions. The role focuses on optimizing backend architecture for performance and scalability within a flat organization... 
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    Speechify

    Naperville, IL
    1 day ago
  • A leading technology company in the U.S. is seeking a Backend Developer to design and maintain APIs and oversee the full API landscape. The ideal applicant possesses strong TypeScript/Node skills, cloud experience, and is efficient in task prioritization. This role offers... 
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    Speechify

    Elgin, IL
    1 day ago
  • $140k - $200k

    A leading technology company is seeking a Backend Developer to design and maintain robust APIs. The ideal candidate has proven experience in backend development, particularly with Typescript and Node.js, and familiarity with GCP. This remote role offers a competitive salary... 
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    Speechify

    Joliet, IL
    5 days ago
  •  ...Years |Employment Type:Full Time About the Role We're seeking aGo API Engineerto design and build high-performance, scalable APIs. You...  ...at Vettura AI by 2x Sign in to set job alerts for “Back End Developer” roles. Warrenville, IL $87,200.00-$129,200.00 2 days ago Senior... 
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    Vettura AI

    Naperville, IL
    4 days ago
  • $115k - $125k

    A leading packaging solutions provider is seeking a Software Engineer II to develop, support, and maintain business applications in a hybrid environment. This role involves analyzing requirements, proposing software solutions, and providing insights for cloud technologies... 
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    Shorr Packaging Corporation

    Aurora, IL
    3 days ago
  • Join to apply for the Java, Scala, Python Developer role at Cymertek Corporation 12 hours ago Be among the first 25 applicants Join to apply...  ...Engineer, Distributed Systems Developer, Big Data Developer, API Developer, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE... 
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    Cymertek Corporation

    Aurora, IL
    2 days ago
  • $120k - $145k

     ...is amplified, not replaced, by AI tools. Technical Development Develop and maintain high‑quality mobile applications using React Native...  ...applications with Node.js/TypeScript backend services and APIs Implement cloud‑based solutions using Google Cloud Platform services... 
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    Monday to Friday

    Inspira Financial

    Oak Brook, IL
    5 days ago
  •  ...our family. *** SIMILAR CAREER TITLES Software Engineer, Java Developer, Linux Developer, Middleware Engineer, Systems Engineer, Backend...  ...Familiarity with containerization (e.g., Docker) Knowledge of RESTful API development Experience with version control systems (e.g., Git)... 
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    Cymertek Corporation

    Aurora, IL
    2 days ago
  •  ...our family. *** SIMILAR CAREER TITLES Software Engineer, Java Developer, AWS Cloud Engineer, Linux Systems Developer, Backend Developer,...  ...Familiarity with containerization (e.g., Docker) Knowledge of RESTful API development Understanding of database systems (e.g., MySQL,... 
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    Cymertek Corporation

    Aurora, IL
    2 days ago
  • Overview We are looking for a experienced .NET Developer with 7+ years of experience and interest in leadership to join our ERP Software team...  ...strong background in C#, ASP.NET MVC/Web Forms, .NET Core, Web API, and SQL Server. Experience Bachelor's degree in Computer... 
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    QT9 Software

    Aurora, IL
    2 days ago
  •  ...Data Science groups to collect business requirements. Design, develop, deploy and support high performance data pipelines both inbound...  ...and resolve data engineering issues as they arise. Develop REST APIs to expose data to other teams within the company. Mentor and guide... 
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    Compunnel Inc.

    Lisle, IL
    2 days ago
  • $140k - $200k

     ...analytics, subscriptions, new products, text to speech, and external APIs. This is a key role and ideal for someone who thinks...  ...and we aim to complete them within 1 week. What You’ll Do Design, develop, and maintain robust APIs including public TTS API, internal APIs... 
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    Speechify

    Elgin, IL
    12 hours ago
  •  ...Role: Front End Lead Developer Location: Bolingbrook IL – Onsite Position Type: Contract Job description: We are seeking...  ..., and responsive SCSS-based styles. • Integrate with GraphQL APIs and handle state management effectively. • Implement SSR for... 
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    Axiom Software Solutions Limited

    Bolingbrook, IL
    more than 2 months ago
  •  ...As a Full Stack Developer , you will play a key role in designing, developing, and maintaining web applications using Django for the...  ...user-facing elements with server-side logic, utilizing RESTful APIs and other technologies as needed. Implement and maintain databases... 
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    Spotter

    Lemont, IL
    more than 2 months ago
  • $120k - $135k

    Join to apply for the Sr. React/Java Developer (remote) role at Claritev . At Claritev, we pride ourselves on being a dynamic team of innovative...  ...Knowledge of Node.js and TypeScript is a plus Experience with API gateway is a plus Experience with OCI or other cloud platforms... 
    Remote job
    Temporary work
    Work experience placement
    Flexible hours

    Claritev

    Naperville, IL
    2 days ago
  •  ...Location: [Worldwide, Remote] We are seeking a talented Front-End Developer with a strong proficiency in React and Material UI to join our...  ...frameworks. Experience with third-party libraries and APIs. Proficient in using Git for version control. Familiarity... 
    Remote work
    Worldwide

    Spotter

    Lemont, IL
    more than 2 months ago
  • Careers / Job Opportunities Senior Full-Stack Web Application Developer / Software Engineer Location:Bartlett, ILDepartment:Software DevelopmentType...  ...primarily custom web apps, line-of-business systems, and custom API integrations. Who You Are You're an experienced and talented... 

    apHarmony

    Bartlett, IL
    1 day ago
  • $115k

     ...to one of the core services offers to clients. As a Front End Developer, you will join's Digital Modernization practice, where technology...  ...with backend developers and architects to integrate APIs and data workflows Work within existing tools and architecture... 
    Hourly pay
    Work experience placement
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    Turnberry Solutions

    Naperville, IL
    8 days ago
  •  ...remote. Tue, Wed, Thurs are onsite in Oak Brook, IL. Salesforce Developer Clean Energy Solutions Data & Analytics Team W2 only - No C2C -...  ...users. Integrate Salesforce with enterprise systems using REST APIs, ensuring data consistency and seamless workflows. Configure... 
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    Crossfire Consulting Corp

    Oak Brook, IL
    2 days ago
  •  ...will play a key role in designing and implementing GraphQL‑powered APIs, ensuring seamless integration between front‑end and back‑end...  ...world‑class mobile experience. How You'll Make an Impact Design, develop, and maintain cross‑platform mobile applications using React... 
    Temporary work
    Flexible hours

    Snap Finance

    Naperville, IL
    4 days ago
  •  ...Familiarity with Svelte or other modern frontend frameworks  \n \n What You’ll Be Doing  \n \nDaily Responsibilities  \n• Design, develop, and enhance real-time backend systems using Java  \n• Spearhead modernization efforts and improve systems efficiency and... 
    Full time

    Motion Recruitment

    Willowbrook, IL
    7 days ago
  •  ...time, onsite position (5 days/week) where you’ll work alongside a small, dedicated team of engineers. It’s a great opportunity for a developer who thrives in collaborative environments and wants to see their work make a direct impact in industries like telecom and fintech.... 
    Full time

    Motion Recruitment

    Willowbrook, IL
    23 days ago
  • Job Description An established, veteran-owned technology company based in Willowbrook, IL is looking to bring on a Senior Java Engineer to support the growth of its mission-critical security solutions. This team builds real-time applications used in high-security industries...

    Motion Recruitment

    Willowbrook, IL
    4 days ago
  •  ...AI- and algorithm-driven systems, and we’re looking for a strong Backend Django Engineer who loves clean data models, well-designed APIs, and clever algorithms. You’ll own core backend features end-to-end: from modeling the data to implementing the logic and exposing... 
    Full time
    Remote work

    Spotter AI

    Lemont, IL
    10 days ago
  • $140k - $160k

     ...management tools. Strong analytical and problem‑solving skills. Technical Proficiency E2E testing with Playwright, Cypress, Selenium. API testing and automation. Front‑end technologies: React, TypeScript, Apollo GraphQL. Back‑end and infrastructure tools: Git,... 
    Remote job

    Inspira Financial

    Oak Brook, IL
    3 days ago
  •  ...Become a deep technical resource that earns ourcustomerstrust Develop high-quality technical content such as automation tools...  ...RDS DynamoDBElasticache AWS Networking Services- VPC Route53 API Gateway CloudFront App Mesh Global Accelerator AWS Developer... 
    Full time
    Work at office
    Remote work

    Vertical Relevance

    Manhattan, IL
    2 days ago
  • $105.75k - $141k

     ...products are instrumental to feeding and sheltering the world. From developing products that run on alternative power to productivity-...  ...CMake In-depth Software knowledge required for Linux and Posix APIs Knowledge of Yocto Project and Bitbake Experience in vehicle applications... 
    Full time
    Flexible hours

    CNH

    Oak Brook, IL
    2 days ago
  • $65 - $75 per hour

     ...ideal candidate will have deep expertise in building scalable applications and APIs using C# and .NET, with strong experience in Razor/Blazor. You will play a key role in designing, developing, and enhancing platforms that power their ordering systems, integrations, and... 
    Full time
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    Work from home

    Motion Recruitment

    Bolingbrook, IL
    2 days ago
  • $83k - $90k

     ...real results in less time. Job title: Junior to Mid-Level C#.Net Developer Company: Legato Search Job description : In need of a...  ...Planned SQL Server Managed Instance & some SQL Server 2019 REST Web APIs, SOAP API, JSON, GIT Document creation and sharing in SharePoint... 
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    Tech Cratic

    Downers Grove, IL
    5 days ago