python backend developer jobs in Chicago

Senior Software Engineer, Full-Stack Applications - Ratings Technology As one of the world’s top three credit ratings agencies, Fitch Ratings plays a critical role in global capital markets by providing credit analysis, ratings, research, and commentary to financial market participants. For over 100 years, Fitch Ratings has been creating value for global...

Data Engineer Chicago, Dallas or NY - hybrid WFH Why This Role Is Valuable This person will sit on a more senior Data Engineering team, and have ample opportunity to learn modern data engineering technologies such as Spark/PySpark and working in modern cloud environments, with cloud DWs. While you must have the core ETL/Data Engineering...

     Why project44?   At project44, we believe in better.   We challenge the status quo because we know a better supply chain isn’t just possible—it’s essential. Better for our customers. Better for their business. Better for the world.  With our Decision Intelligence Platform, Movement, we’re redefining how global supply chains operate. By...

When you’re the best, we’re the best. We instill an environment where employees feel engaged, satisfied and able to contribute their unique skills and talents while living and working as their authentic selves. We provide extensive opportunities for personal and professional development, building both employee competence and organizational capability to...

A well-established technology consulting organization is seeking a Senior Full Stack Engineer for a full-time opportunity supporting the development of a next-generation financial services platform. This role will focus on building a modern loan origination system utilizing TypeScript, Node.js, GraphQL, Angular, Camunda, Kubernetes, and a variety of AWS...

MissionOne Media is a brand within BarkleyOKRP that combines full-funnel media planning and buying services, CRM, data, analytics, retail media, SEO, and digital experiences. We're an independent media partner offering transparency, integration, and a relentless focus on business impact. As the Data Engineer, you will maintain, clean, and manipulate data in...

Chicago Hybrid Hourly salary: $70 - $100 Job Description This individual will be playing a key role in how the portfolio of projects are managed within a state based agency. Thery will be working with third party PMO Groups to ensure the client’s needs are met while keeping project teams aligned and focus on their work. This...

Job Duties:Develop and execute automated tests for user interfaces, APIs, and mobile applications using industry-standard automation frameworks (5%). Lead the design, development, and maintenance of enterprise-grade automated testing frameworks and tools across web, mobile, and API platforms (10%). Conduct structured exploratory testing to uncover edge-case...

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition.  For our teams, we create an environment with opportunities for our people to succeed, backed by the culture...

OverviewOntrac Solutions is seeking a high-aptitude Production Engineer (IC2) to support a large-scale enterprise OS modernization and infrastructure hardening program for one of our enterprise clients. This role is built for an engineer with real software engineering foundations — specifically Python — who has since moved into infrastructure and is...

Founded in 1999, Geneva Trading is a premier global principal trading firm with strategically located offices in Chicago, Dublin, and London. Our relentless focus on trading excellence combined with technological innovation has equipped us with a best-in-class proprietary trading platform, enabling us to compete at the highest levels in the global markets....

Messaging & Mobility Engineering Manager Chicago, IL   Summary: The Messaging Engineering Manager supports and improves critical business and technology processes by managing the administration, enhancement, implementation, and maintenance of critical applications including, but not limited to, Exchange, Outlook, Email Archiving, Spam Filtering, Email...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team +...

Job Description About Global Quantitative Strategies (GQS) GQS is the quantitative investment business of Citadel. Founded in 2012, GQS has rapidly grown to become one of Citadel's core investment strategies and one of the top quantitative investment teams in the world. Agile teams of researchers, engineers, and traders develop robust systems that allow us...

Voted one of Chicago's Best Places to Work by the Chicago Tribune for the ninth year in a row, Clarity Partners is hiring!Clarity Partners is seeking an Identity and Access Management (IAM) SailPoint Engineer local to Chicago, IL. This role will be responsible for the design, development, customization, and advanced technical support of enterprise...

SPR seeks a Machine Learning Data Scientist in Chicago to direct predictive analytics projects, develop or deploy ML solutions, and advance data-driven strategies for clients. You will lead data preparation, model building, and cross-functional collaboration to deliver industry-leading experiences.Ideal candidates have 5+ years in data science, strong...

Industry/SectorNot ApplicableSpecialismData, Analytics & AIManagement LevelSenior ManagerJob Description & SummaryThe OpportunityAs a Senior Engineering Manager, Google Cloud AI/ML you will lead engineering efforts that design, build, and scale AI and machine learning solutions on Google Cloud, focusing on delivery for data and analytics engineering within...

Definian helps organizations define what’s next by unlocking the full value of their data. With expertise spanning data strategy, modernization, advanced analytics, and AI & automation, Definian equips leaders to navigate their digital evolution with clarity and precision.  Definian is hiring experienced Oracle consultants to join our growing Oracle...

Job Description: We are seeking an experienced Technical Lead (Vue.js + Nuxt.js) to lead the design, development, and delivery of modern, scalable web applications. The ideal candidate will have deep expertise in Vue.js, Nuxt.js, JavaScript, TypeScript, and front-end architecture, along with strong leadership and stakeholder management skills. This role...

We're seeking a Data Reliability Engineer to join a high-performance data engineering team supporting trading and research functions. This role blends data engineering, platform reliability, and operational support, with responsibility for ensuring critical datasets, pipelines, and APIs remain accurate, scalable, and production-ready. Responsibilities Data...