python backend developer jobs in Chicago

To be considered for this position, applications and resumes are accepted only through our careers site by directly applying to the posted job. We do not accept unsolicited resumes or sales solicitations from staffing agencies. Any OCC employee wishing to submit a referral must do so through their Workday account. Any resume submitted outside of an active...

Your Last Framework Has a History Page Legacy Tech Experience Is an Asset Until It Is the Only Story You Tell You shipped real Java systems. Then the market asked for Spring Boot 3, Java 17/21, Kubernetes, CI/CD, and microservices while your strongest years were older MVC, SOAP, or on-prem. Screens end when the stack sounds frozen. You are not unskilled....

Achieving our goals starts with supporting yours. Grow your career, access top-tier health and wellness benefits, build lasting connections with your team and our customers, and travel the world using our extensive route network. Come join us to create what’s next. Let’s define tomorrow, together. Description United's Digital Technology team is...

DescriptionThe Innovation Development Program (IDP) focuses on building the next generation product managers who are focused on continuous innovation and enhancements, creating a long lasting and positive impact, and developing cutting-edge solutions to complex problems within Global Banking (GB) lines of business. The Innovation Development Program supports...

Work Location Type: HybridReq Number 334425About GraingerW.W. Grainger, Inc. is a leading broad line distributor with operations primarily in North America and Japan. At Grainger, We Keep the World Working®by serving more than4.6 million customersworldwide with maintenance, repair andoperating(MRO) products and value-added solutions delivered through...

Quantum Algorithm Development InternAt Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an...

Senior Software Engineer – Java/AWS BackendDiversified Services Network, Inc. (DSN) is seeking a full-time Senior Software Engineer – Java/AWS Backend to join our team preferably in Chicago, IL but we're open to hybrid in our Peoria, IL, Dallas, TX or Broomfield, CO offices as well. We offer a hybrid work model with 2 days per week of onsite work, full...

About us:We're building an AI-native investing platform that transforms institutional-grade market data into products for everyday investors.Our mission is to help investors better understand global financial markets through data, research, and AI. Rather than simply displaying charts or dashboards, we build products that explain what markets are doing, why...

Fidelity Investments in Chicago seeks a Principal Quantitative Developer to design and maintain risk analytics platforms for portfolios and derivatives. You will develop Python- and SQL-based analytics, validate models, and support VaR and stress testing across liquid and alternative investments. You will collaborate with risk managers and portfolio teams to...

Description Savant is growing quickly, and with that growth comes an opportunity to simplify how our advisors access information, technology, and insights.   As our Lead Developer, Data, AI & Wealth Technology Platforms, you will help transform a fragmented ecosystem of systems into a unified, trusted data platform that supports scale, enables artificial...

About RxSaveCardAt RxSaveCard, we're committed to transforming how employees access affordable prescription drugs through a unique pharmacy benefit and debit card system. Our innovative approach helps large self-insured employers save money while providing their employees with the best possible prices at the pharmacy. We are a funded, fast-growing startup,...

HPC Data Center Production EngineerLocation: Chicago or New York (On-site 5 days/week)Jump Trading Group is committed to world class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting edge research to global financial markets. Our culture is unique....

The Role This is a full-time co-op position from January 18, 2027 - June 25, 2027 . Candidates must be available for the entire duration of the co-op program. The Resource Management team within Portfolio Operations is seeking a motivated co-op to support the continued advancement of resource planning capabilities across Development. This role offers the...

OVERVIEWWe are seeking a highly skilled and experienced Senior Software Engineer (Backend / API) to join a contractor program supporting a critical customer engagement: a state government professional licensing and regulatory compliance platform built on Google Cloud. This is greenfield work - infrastructure, data and CI/CD are in place, and the application...

Career Area: Technology, Digital and Data Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We...

Job Title: Java Full Stack Developer with Angular 15 Location: Chicago, IL (Hybrid – 3 days’ Work from Office) In – person client interview Duration: 12+ Months   Job Description: Seeking a Senior Full Stack Engineer (7+ years) with 5+ years of recent Angular 15+, 5+ years of Java Spring Boot, and 5+ years of hands-on SQL Server expertise...

Software Developer $60 - $120/hour pay Required Skills Python Rust GoLang Full-stack JAVA Node.js Android Development iOS Development About micro1 micro1 is the leading AI data lab for training frontier models and evaluating AI agents. Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering,...

Fintal Partners in Chicago, IL is seeking a Site Reliability Engineer to support and optimize the infrastructure powering its low-latency trading platforms. You will build, automate, and maintain Linux production environments for reliability and peak performance.You will develop automation tools in Python, monitor and troubleshoot production issues, and...

We’re building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what’s right for our clients.At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and...

Expedia Group in Chicago (or Seattle) seeks a product-minded Software Development Engineer III to build advertiser-facing experiences and backend services for our ad marketplace. You will shape scalable systems at the intersection of UI and AI-enabled optimization, collaborating with data scientists and product teams.You will implement backend APIs, improve...