senior backend python developer jobs in Chicago

1,000 senior backend python developer job listings in United States. Find daily updated positions from leading job boards.


  • Chicago, IL, IL, United States Fitch Group, Inc. Full-time

    **About** **Fitch Ratings is seeking a solid Software Engineer to join our global Ratings Technology team in Chicago. This is an opportunity to build and enhance mission-critical applications that power the workflows, analytics, and decision-making processes used by analysts across a world-leading credit ratings organization.** **As a member of our Ratings...

  • Senior AI Engineer

    23 hours ago


    Chicago, Illinois, United States FourKites Remote Full-time $140,000 - $180,000 Contract

    At FourKites we have the opportunity to tackle complex challenges with real-world impacts. Whether it's medical supplies from Cardinal Health or groceries for Walmart, the FourKites platform helps customers operate global supply chains that are efficient, agile and sustainable. Join a team of curious problem solvers that celebrates differences, leads with...


  • Chicago, IL, United States 3Core Systems, Inc Full-time

    3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources. 3Core Systems is looking for IT Software Engineer 5 (Sr. Java Backend Developer with AWS) for one of our...

  • Lead .Net Developer

    22 hours ago


    Chicago, Illinois, United States Capgemini Full-time

    Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of...

  • Programmer - Senior

    21 hours ago


    Chicago, Illinois, United States University of Chicago Remote Full-time

    DescriptionJoin one of the nation’s most comprehensive academic medical centers, UChicago Medicine, as a Senior Programmer in our IT Enterprise Architecture department. This is a remote work from home opportunity, and you may be based outside of the greater Chicagoland area.     The Senior Programmer will be responsible for designing, developing,...


  • Chicago, Illinois, United States Randstad Full-time

    Job DescriptionHi,This is Raju. I am Recruiter at Randstad Technologies and I am reaching out in regards to your background. I have an exciting opportunity *Candidates MUST be able to work on W2 to qualify for this role.*Job Title: ETL Developer/Senior Database DeveloperDuration: 12 MonthsLocation:CHICAGO, IL Job Description:Responsible for developing,...

  • Development Manager

    3 days ago


    Chicago, IL, United States BMO Financial Full-time

    Application Deadline:10/01/2026Address:320 S Canal StreetJob Family Group:TechnologyJob DescriptionMust Have:Leadership experience guiding other developers in a Capital Markets environmentAdvanced level Fixed Income experienceExpert Java and/or frontend (React / Typescript) experienceApplies development expertise to front and back-end systems coding combined...


  • Chicago, Illinois, United States Simarn Solutions Full-time $65 Permanent

    Senior Technical Architect / Full Stack .NET Developer Location: Chicago, Illinois | C2C | Onsite Pay Rate: $65/hr Industry: Full Stack Development / .NET / Azure / Cloud Engineering End Date: 28-Nov-2026 Job ID: 1636560BR Job Description We are seeking a Senior Full Stack .NET Developer with strong hands-on experience across front-end, back-end, and...

  • Senior iOS Engineer

    3 days ago


    Chicago, Illinois, United States NOCD Full-time

    NOCD seeks a Senior iOS Engineer to scale our mobile platform for OCD treatment. You will own iOS features, contribute to the stack with Python and TypeScript, and collaborate with product, design, and clinical teams to deliver high-quality care.The role involves building patient-facing experiences, clinician tools, and real-time video functionality, with...


  • Chicago, Illinois, United States Turing Remote Full-time $200 - $300 Permanent

    About Us:Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...


  • Chicago, IL, United States Eversana Intouch Full-time

    Company DescriptionEVERSANA INTOUCH is a global, full-service marketing agency network serving the life sciences industry, and is the first – and only – agency network to be part of a fully integrated commercialization platform through EVERSANA. We provide next-generation creative and media services, enterprise solutions and data analytics services for...


  • Chicago, Illinois, United States Capgemini Full-time $76,000 - $187,000 Contract

    Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of...


  • Chicago, Illinois, United States Indotronix International Corporation Full-time

    Senior Full Stack Software Engineer (Python/Java/React/AWS) – Remote (US, CST Hours) – 12 Month ContractAbout the Role Join a dynamic, forward-thinking engineering team as a Senior Full Stack Software Engineer, building innovative cloud-native solutions for enterprise-scale applications. Work remotely from anywhere in the US (CST hours) while...


  • Chicago, Louisiana, United States Tyba Remote Full-time $160,000 - $200,000 Contract

    About TybaTyba is a modeling platform for energy companies developing, financing, and operating renewable energy infrastructure. Energy companies rely on technical models daily to make crucial infrastructure decisions.Our mission is to make cutting-edge models accessible to cross-functional teams so that companies can build and operate more renewable energy...


  • Chicago, Illinois, United States Attune Full-time $125,000 - $200,000 Contract

    Senior Software Engineer — Agentic Voice (Healthcare) Company: Attune Location: West Loop, Chicago, IL (Hybrid — 3 days/week in office) Type: Full‑time Job Summary: We are seeking an experienced and entrepreneurial Senior / Staff Product Engineer with a strong background in web, backend, and AI development. The ideal candidate is highly product-minded...


  • Chicago, Illinois, United States EPAM Systems Full-time

    We are seeking an experienced Backend Engineer to join our Middle Office Core Platform Organization. This team owns systems, services, and initiatives to provide financial products to our customers across digital channels. This organization is responsible for building financial products, platform capabilities, and components that are used by millions of...


  • Chicago, Illinois, United States Capgemini Full-time $130,000 - $140,000 Contract

    Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of...

  • Junior FPGA Developer

    23 hours ago


    Chicago, Illinois, United States Edgehog Trading Full-time $100,000 - $175,000 Contract

    What you'll do:Design, implement, and verify RTL logic in Verilog or SystemVerilog targeting ultra-low-latency trading applicationsDevelop simulation testbenches and functional verification environments to validate FPGA designs before hardware deploymentWork closely with senior FPGA engineers and the trading infrastructure team to understand latency...


  • Chicago, Illinois, United States Expedia , Inc. Full-time

    Expedia Group is seeking a Senior Software Development Engineer for the GenAI Platform in Chicago to design, build, and operate Python/FastAPI backend services powering GenAI capabilities like RAG and vector stores.You will collaborate with product and engineering teams to evolve platform architecture, implement CI/CD, testing, monitoring, and guardrails,...

  • C# Developer Intern

    22 hours ago


    Chicago, Illinois, United States Scalp Trade Full-time $84,000 Contract

    We are seeking a driven and intellectually curious C# Software Developer Intern to join our dynamic trading firm. This is an exceptional opportunity to gain hands-on experience building high-performance trading systems and commercializing financial technology products while contributing meaningfully to our operations. You will work closely with experienced...