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  • 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,... 
    Suggested
    Full time
    Temporary work
    Part time
    Work at office
    Local area
    Remote work
    Flexible hours

    UST Global

    Chicago, IL
    22 hours 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... 
    Suggested

    AI Front desk

    Chicago, IL
    more than 2 months ago

  • Java API / Publication Engineer

     ...Sr. Backend Java Developer – MDM Platform Job Role: Java API / Publication Engineer Experience: 10+ years Location: Chicago, IL Type: Full-time - Hybrid Job Summary We are looking for a Senior Backend Java Developer to design and build the core backend... 
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    Full time

    EXL

    Chicago, IL
    3 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

  • .NET Developer (Web Apps & APIs) - ERP Integration

    $70k - $80k

     ...Monday- Friday 8:30 am - 5:30 pm Site Address: 6500 W 51st St. Chicago, IL 60638 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... 
    Suggested
    Permanent employment
    Full time
    H1b
    Monday to Friday

    Our Collective of Brands

    Chicago, IL
    2 days ago

  • Full Stack .NET Developer

     ...Resource 1 is seeking a Full Stack .NET Developer to join our client's software engineering team responsible for developing, enhancing,...  ...primary focus on designing and building business logic, RESTful APIs, and database-driven applications using Microsoft's technology... 
    Suggested
    Full time

    Resource 1, Inc.

    Chicago, IL
    2 days ago

  • Frontend Software Engineer

    $100k - $125k

     ...applications using React, TypeScript, and modern frontend tools Develop data-dense interfaces including tables, filters, pagination,...  ...data-intensive environments Experience working with backend/API teams Familiarity with accessibility and frontend performance... 
    Suggested
    Permanent employment
    Full time

    Forbes Technical Consulting

    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... 
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    Remote work

    Eliassen Group

    Chicago, IL
    3 days ago

  • Senior UI Developer (ReactJS)

     ...Codex, Claude Code) Desired Skills: Lit/Web Components, Shadow DOM, Micro Frontend...  ...frameworks on a single page. • Design component APIs for consumption by other teams: props and...  ...concept to improve platform maturity and developer productivity. Qualifications: •... 
    Suggested
    Full time

    TalentOla

    Chicago, IL
    4 days ago

  • Senior Web UI Developer

     ...customer needsJob DescriptionTitle : Senior Web UI DeveloperLocation : Chicago, ILType :...  ...Technical Skills : • Front End, Web Application Developer - building client-side browser html...  ...desired. • Highly skilled in HTML and its API’s CSS3. • Added advantage if worked in Knockout... 
    Suggested
    Permanent employment
    Full time

    Ventures Unlimited

    Chicago, IL
    1 day ago

  • UI Developer

     ...JavaScript, BootstrapMandatory Technical Skills : • Front End, Web Application Developer - building client-side browser html applications in...  ...and MVVM (Knockout) desired. • Highly skilled in HTML and its API’s CSS3. • Added advantage if worked in Knockout or Angular JS... 
    Suggested
    Permanent employment
    Full time

    Ventures Unlimited

    Chicago, IL
    1 day ago

  • Junior Frontend developer

    $43.98k - $105.6k

     ...considering We're looking for a Junior Frontend Developer to build and maintain features across web and mobile applications, grow under the guidance of...  ...development tasks ~ Basic understanding of REST APIs and version control (Git) ~ Strong fundamentals in... 
    Suggested
    Full time
    Internship
    Local area

    Capgemini

    Chicago, IL
    3 days ago

  • Senior Frontend Developer

     ...have a real test suite and we intend to keep it that way. Work across the stack. Follow a feature from the interface through the API to the database. No handoffs, no waiting on another team. Work AI-first with Cursor and Claude Code. Use LLMs as your starting point... 
    Suggested

    Bask Health

    Chicago, IL
    14 hours agonew

  • Java Backend Developer

     ...We are looking for experienced Java Backend Developers to join our team in Chicago, IL. Key Skills: Strong experience in Java / Java 8+ Spring Boot, Spring Framework RESTful APIs and Microservices SQL and relational databases Kafka or other messaging technologies Git... 
    Suggested
    Full time

    Opus Technologies

    Chicago, IL
    1 day ago

  • Full Stack Java Developer

     ...are looking for an experienced Full Stack Java Developer with 10+ years of experience in designing and developing scalable web applications. The ideal candidate should have...  ...Boot, and ReactJS. Develop and maintain REST APIs and microservices using Spring Boot, Spring... 
    Suggested
    Contract work

    Techvilla Solutions

    Chicago, IL
    12 days ago

  • Front-End Platform Developer

    $120k - $180k

     ...consistent success in the industry.Role OverviewThe Front-End Platform Developer designs, builds, and maintains internal trading systems that...  ...extend the current frontend trading platform and supporting APIs, including various trade entry, management tools and... 

    Geneva Trading

    Chicago, IL
    4 days ago

  • Lead Java Backend Developer - 403

     ...Required) - •10+ years or more of experience in designing and developing software applications in Java. Proven experience in many of...  ...Apache ActiveMQ. - Experience designing well-defined Restful APIs - Hands on experience with API tools such as Swagger, Postman... 
    Full time
    Work at office
    Shift work
    Weekend work

    DSM-H Consulting

    Chicago, IL
    2 days ago

  • Senior UI Engineer

     ...based customer facing client's Foresight web application by collaborating with architects...  ...Engineering managers. o Designing, developing, deploying and maintaining intuitive and...  ...Mirage JS ~ Experience working with API development tools like Swagger and... 
    Worldwide

    Kaav Inc.

    Chicago, IL
    2 days ago

  • UI Developer

     ...UI Developer Location: Hybrid onsite Chicago or Dallas (Local only) Interview Mode: Final interview onsite Type: Long term contract...  ...Tailwind CSS, Docker, and Webpack Experience with RESTful APIs including integrating them in a structured way bility to... 
    Long term contract
    Local area

    RIT Solutions, Inc.

    Chicago, IL
    3 days ago

  • Full Stack Java Developer

     ...Must Haves: ~ At least 7-8+ years of experience as a Java/J2EE Developer. ~ Refactoring/modernizing backend application using Spring (...  ...App servers (Tomcat, JBoss). ~3-5+ years of experience with APIs SOAP/REST webservices (Mainly REST). ~2+ years of messaging... 
    Relocation

    thehivecareers.co

    Chicago, IL
    3 days ago

  • Senior Java Full Stack Developer

     ...skilled and experienced Senior Java Full Stack Developer to join our dynamic team. The ideal...  ...implement front-end and back-end components for web applications. # Conduct code reviews to...  ...plus. # Solid understanding of RESTful API design and microservices architecture.... 
    Full time
    Visa sponsorship

    Whitecodex Consulting Services LLC

    Chicago, IL
    3 days ago

  • .Net Full Stack Engineer

     ...Chicago, IL. Key Responsibilities: Design, develop, and maintain full stack enterprise...  ...Develop and integrate frontend components and APIs Work with Azure cloud services for...  ...stack development experience with modern web technologies Experience building REST APIs... 
    3 days per week

    Tharu Technologies LLC

    Chicago, IL
    a month 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

  • Java Full Stack Developer

    $65 per hour

     ...Role Name - Java Full Stack Developer Location: Chicago, IL Duration: 6 Month Contract Rate: $65/hr ROLE_DESCRIPTION - Role...  ...Postgres| Redis Caching| Kafka| Unit Testing| Integration Testing| API Documentation| API Contract| Open API| Performance Testing|... 
    Contract work

    Jobleads-US

    Chicago, IL
    1 day ago

  • Full Stack Java Developer - Entry (Remote)

     ...entry-level software programmers, IT enthusiasts, Python/Java developers, Data analysts/Data Scientists. We welcome candidates with all...  ...C++ or software programmingSpring boot, Microservices and REST API's experienceExcellent written and verbal communication skillsRequired... 
    Remote work

    SynergisticIT

    Chicago, IL
    2 days ago

  • Senior Java Full Stack Developer

     ...sector, is seeking a dedicated and innovative Senior Java Full Stack Developer to join their dynamic team. As a Senior Java Full Stack...  ...Hands-on experience with AI-assisted development tools such as SDK/API for LLMs, GitHub Copilot in Plan and Agent modes. Strong knowledge... 
    Weekly pay
    Temporary work
    Flexible hours

    ManpowerGroup Global, Inc.

    Chicago, IL
    4 days ago

  • Lead Java Backend Developer - 403

     ...(Required) ~•10+ years or more of experience in designing and developing software applications in Java. Proven experience in many...  ...Apache ActiveMQ. ~ Experience designing well-defined Restful APIs ~ Hands on experience with API tools such as Swagger,... 
    Work at office
    Shift work
    Weekend work

    DSM-H Consulting

    Chicago, IL
    1 day ago

  • Full Stack Engineer

     ...The Senior Full Stack Developer will design, build, and support modern capabilities for Crew...  ...Build responsive user experiences and secure APIs that provide clear business workflows,...  ...: Microservices, APIs, and modern web user interfaces Engineering: CI/CD, infrastructure... 
    Hourly pay
    Full time

    United Airlines

    Chicago, IL
    22 hours ago

  • Full Stack Engineer

    $165k - $200k

     ...reliable, maintainable software that can scale with NOCD's growth. Full-Stack Engineering Build backend services and APIs using Python . Develop modern frontend experiences using React and TypeScript . Design APIs, data models, and system architecture for... 
    Full time
    Casual work
    Work at office

    NOCD

    Chicago, IL
    3 days ago

  • Application Engineer (Backend, with Full Stack)

     ...processes, with an interest in working full-stack. In this role, you will be responsible for developing and maintaining our cost systems, ensuring seamless integration via API calls and efficient interaction with local databases. You will work closely with product and... 
    Full time
    Local area
    Remote work

    RxSaveCard Inc

    Chicago, IL
    a month ago