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  • Frontend Web Developer

     ...Description Job Description Join us at accentedge as a Frontend Web Developer , where you'll be at the forefront of crafting engaging user...  ...and user-centric methodologies. Work with RESTful APIs and third-party services to integrate dynamic content into applications... 
    Suggested
    Flexible hours

    accentedge, LLC

    Chicago, IL
    3 days ago

  • Frontend Web and App Developer

     ...Job Description Job Description Salary: Frontend Web and App Developer At Smartz Inc, we rely on our dynamic team of engineers to solve...  ...for web design features Designing and developing APIs Technical Skills Requirements In-depth knowledge of JavaScript... 
    Suggested
    Full time

    Zmodo AI Inc

    Champaign, IL
    14 days ago

  • Fullstack Mobile Engineer

     ...mobile development (Flutter). Expertise in full-stack development (Node.js, Next.js) and scalable systems. Experience developing and maintaining APIs. Hands-on experience with AI tools and agents (e.g., Cursor, embeddings, LLMs). Strong grasp of API architecture,... 
    Suggested

    Influur

    Mundelein, IL
    6 days ago

  • Director, API Platforms & Developer Experience (Chicago)

    $205.4k - $234.4k

     ...A high-tech financial services company in Chicago is seeking a Director of Product Management to lead API platform initiatives. The ideal candidate will have over 7 years of product management experience and a passion for technology, guiding teams to deliver exceptional... 
    Suggested
    Full time

    Capital One

    Chicago, IL
    17 days ago

  • Front-End Developer Intern

     ...motivated and detail-oriented Front-End Developer Intern to join our team in building responsive...  ...websites, mobile applications, and web applications. In this role, you will focus...  ...closely with backend engineers to integrate APIs and ensure seamless interactions. This is... 
    Suggested
    Internship

    Prospect Equities

    Chicago, IL
    16 days ago

  • Lead Java Backend Developer (Chicago)

     ...for growth and improvement within the team - Guide the team to develop a structured application/interface code, new program...  ...ActiveMQ, Kinesis. o Experience designing well-defined Restful APIs o Experience writing API proxies on platforms such as Apigee... 
    Suggested
    Part time
    Casual work
    Flexible hours
    Shift work
    Weekend work

    DSM-H Consulting

    Chicago, IL
    2 days ago

  • Senior Front-End Engineer Software - Calendar Team

     ...payroll and benefits administration, Paylocity goes further by developing tools that HR and businesses need to compete for talent and deliver...  ...a-Platform, combining reusable front-end libraries with robust APIs that other teams can easily plug into. Recent and upcoming... 
    Suggested
    Temporary work
    Remote work
    Worldwide
    Shift work

    Paylocity

    Schaumburg, IL
    28 days ago

  • Distinguished Engineer - API Platform (GraphQL)(Remote-Eligible)

    $239.9k - $273.8k

     ...Distinguished Engineer - API Platform (GraphQL)(Remote-Eligible) at Capital One summary: The Distinguished Engineer - API Platform...  ...in the cloud. You will work alongside our talented team of developers, machine learning experts, product managers and people leaders.... 
    Suggested
    Full time
    Part time
    Local area
    Remote work

    Capital One

    Chicago, IL
    3 days ago

  • Full Stack Engineer

     ...product and technical decisions. Responsibilities Architect, develop, test, and maintain core product features across Django and...  ...schema to frontend UX. Design and implement scalable RESTful APIs and integrations with third-party services. Build responsive,... 
    Suggested
    Full time

    DataInsight

    Mundelein, IL
    22 days ago

  • UI Developer

     ...Engineering, or a related field. Proven experience as a UI Developer or Front-end Developer, with a strong portfolio showcasing...  ...methodologies. Experience integrating crypto-related APIs or libraries into web applications. Familiarity with crypto-related... 
    Suggested

    Cube Group

    Chicago, IL
    10 days ago

  • Backend Web and App Developer

     ...Job Description Job Description Salary: Backend Web and App Developer At Smartz Inc, we rely on our dynamic team of engineers to solve...  ...the stack and a firm understanding of web frameworks, APIs, databases, and multiple back-end languages. Youll be joining... 
    Suggested
    Full time

    Zmodo AI Inc

    Champaign, IL
    7 days ago

  • Front End Lead Developer

     ...Job Description Role: Front End Lead Developer Location: Bolingbrook IL – Onsite Position...  ...-based styles. •Integrate with GraphQL APIs and handle state management effectively....  ...knowledge of SCSS/SASS and responsive web design •Experience with GraphQL for API... 
    Suggested
    Contract work

    Axiom Software Solutions Limited

    Bolingbrook, IL
    27 days ago

  • Full Stack Engineer (Chicago)

    $54.29 - $73.29 per hour

     ...Must Haves: ~5+ years of experience as a full-stack software developer ~ High level of knowledge using Python ~ Strong knowledge of...  ...of back-end frameworks ~ Git ~ SQL databases ~ REST APIs ~ CI/CD solutions ~ Bachelors Degree in Computer Science or... 
    Suggested
    Hourly pay
    Full time
    Part time
    1 day per week

    Insight Global

    Chicago, IL
    2 days ago

  • Full Stack eCommerce Developer (Schaumburg)

     ...client is looking for a hands-on full stack developer whos fluent across front-end, back-end,...  ...development, building and integrating scalable web solutions, and mentoring others through...  ...with offshore teams ~ Proficient in API design, system integration, and Agile tools... 
    Suggested
    Part time

    OptiPeople Resources

    Schaumburg, IL
    2 days ago

  • Back End Developer (Chicago)

     ...Title- Backend Developer Location- Chicago, IL , Need to be local to Riverwooods, IL/Chicago - Hybrid (3-4 times a week in the office)...  ...(Mongo, DynamoDB) • NIFI • Grafana • SOA, MicroService, APIs • Big Data and Streaming • Security (Kerberos, JWT, HashiCorp... 
    Suggested
    Part time
    Work at office
    Local area

    Net2Source (N2S)

    Chicago, IL
    2 days ago

  • Senior Frontend Engineer (React)

     ...Introduction to Codal Codal is an award-winning web design and development consultancy that...  ...but for each other. We'll help you develop a professional roadmap that takes your career...  ...with backend engineers to integrate APIs and define data models. Reviewing code... 
    Work at office

    Codal

    Chicago, IL
    10 days ago

  • Full Stack Software Engineer (Python / React)

     ...in React.js. You’ll help design, implement, and scale full stack web applications that are secure, performant, and user-centric. Responsibilities...  ...React.js and/or Vue.js Create and consume RESTful and GraphQL APIs Build reusable components and libraries for frontend use... 

    Arrayo

    Mundelein, IL
    3 days ago

  • Senior Back End Developer - Distributed Systems (C# or Golang) (Chicago)

     ...Our client, a fast-growing organization developing secure, scalable technologies for next-generation AI applications, is seeking a Backend...  ...durable, consistent operations at scale. Participate in API design and integration efforts across internal and external stakeholders... 
    Part time

    Access Search, Inc.

    Chicago, IL
    2 days ago

  • Senior Backend Engineer - DeFi

     ...stablecoin platform for builders. With us, developers can create their stablecoins in minutes...  ...liquidity management solutions. Deploy modern web applications using best practices to...  ...of building scalable RESTful and GraphQL APIs. ~ Prior experience with the Fireblocks... 
    Contract work
    Remote work
    Worldwide

    Career Renew

    Chicago, IL
    8 days ago

  • Backend Engineer

     ...Job Description Databento is a startup that builds modern APIs to get financial data. As a Series A startup, we've raised $37....  ...Responsibilities Working with engineers and product team to develop web backend and APIs for our core products. Working with engineers... 
    Full time
    Work experience placement
    Local area
    Remote work

    Databento

    Chicago, IL
    a month ago

  • Senior Backend Engineer

     ...brilliant Full Stack Software Engineer to develop applications for our platform. Curiosity and...  ...management team to define and develop web and back-end applications core to our platform...  ...products. Designing and Managing API's: Build integration solutions, including... 
    Full time
    Work experience placement
    Live in
    Flexible hours

    Waltz Health

    Chicago, IL
    17 days ago

  • Customer Solutions Engineer

    $110k - $165k

     ...positive, scaling quickly, and backed by top-tier investors. Their platform connects legacy ERPs to modern systems through a proprietary API and intuitive UI, helping both construction firms and software companies unlock efficiency. This is a hybrid role blending... 
    Full time
    Visa sponsorship

    Rec Gen

    Mundelein, IL
    3 days ago

  • Senior Backend Engineer (Python)

     ...Introduction to Codal Codal is an award-winning web design and development consultancy that...  ...but for each other. We'll help you develop a professional roadmap that takes your career...  ..., and maintaining backend systems and APIs using Python and modern frameworks such as... 
    Work at office

    Codal

    Chicago, IL
    12 days ago

  • Senior Dotnet Developer (Springfield)

     ...highly skilled and results-driven Senior .NET Developer to contribute to the design, development, and maintenance of enterprise-scale web applications. The ideal candidate will...  ...Integration & Maintenance Integrate RESTful APIs and third-party services to deliver... 
    Part time
    2 days per week
    3 days per week

    Krasan Consulting Services

    Springfield, IL
    2 days ago

  • Dotnet Developer (Chicago)

     ...Job Title: .NET Developer (with AI Implementation as a Bonus) Location: ON-site 60608 Department...  ...robust, scalable backend services and APIs using C# and .NET Core/8+ to support...  ..., .NET Core/8+ , and ASP.NET Core for web and service development. Database Management... 
    Part time

    Sutoer Solutions

    Chicago, IL
    2 days ago

  • STAFF/SENIOR BACKEND ENGINEER

    $175k - $250k

     ...cloud and Android hardware. Design, implement, and maintain backend microservices and real-time APIs (WebSocket, WebRTC, gRPC). Contribute to enterprise web applications , ensuring responsive UI and seamless user experience. Work with PostgreSQL , caching... 
    Relocation package

    SagePaths

    Chicago, IL
    13 days ago

  • Senior Software Development Engineer in Test (SDET) - Backend Focus

    $100k - $140k

     ...to our Engineering Manager and play a key role in developing and maintaining automated testing infrastructure....  ...platform-level software (e.g., distributed systems, APIs, and services). Experience limited to frontend, web UI, or Selenium-based testing will not align with... 
    Work at office
    Remote work
    2 days per week
    1 day per week

    ITRS

    Chicago, IL
    8 days ago

  • UI/UX Developer (Chicago)

     ...Summary The UI/UX Developer is a highly visible, front-officeembedded role responsible for creating intuitive, high-quality interfaces used by portfolio managers, analysts, quants, and researchers. The role requires exceptional design instincts and strong front-end development... 
    Part time

    Acuity Analytics

    Chicago, IL
    2 days ago

  • Senior Java Full-Stack Developer - Onsite Chicago (Contract) (Chicago)

     ...A technology solutions company is seeking an experienced Java Full Stack Developer to contribute to building high-performance backend microservices and scalable frontend applications. The role involves extensive work with technologies such as Core Java, Spring Boot, Kafka... 
    Full time
    Contract work

    zAnswer LLC

    Chicago, IL
    5 days ago

  • Application Engineer (Chicago)

     ...Application Engineer is responsible for designing, developing, and deploying enterprise-scale...  ...combines deep technical expertise in Java, API development, cloud engineering, and...  ...develop, and deploy enterprise Java (J2EE) and web applications across on-prem and cloud... 
    Part time
    Local area
    Immediate start

    MMD Services

    Chicago, IL
    2 days ago