41 lead python developer jobs found in Chicago

Internal Audit Developer The Internal Audit Developer job reviews complex analytics on confidential and time sensitive internal audit and investigations projects. With guidance from senior management, this job manages projects and develops solutions that help identify potential internal controls issues through analytics and automation. As a subject matter expert in internal audit data analytics, this job helps define data analytic standards for the Internal Audit Services function. Key Responsibilities and Duties Design and develop Internal Audit's Artificial Intelligence solution and other innovation tools as required. This includes backend and front-end development work, database & data engineering and server & infrastructure management. Build AI workflows that can call tools/APIs, reason over intermediate results, and complete complex tasks. Design context and memory management and implement strategies for managing context and memory across...

Mayer Brown is an international law firm positioned to represent the world’s major corporations, funds, and financial institutions in their most important and complex transactions and disputes. We are recognized by our clients as strategic partners with deep commercial instincts and a commitment to creatively anticipating their needs and delivering excellence in everything we do. We are a collegial, collaborative firm where highly motivated individuals with an unwavering commitment to excellence receive the opportunity, support, and development they need to grow, thrive, and realize their greatest potential all while supporting the Firm’s client service principles of excellence, strategic partnership, commercial instinct, integrated strengths, innovation, and collaboration across our international firm. The Architect: Risk, Marketing and Admin Systems will be a senior technical leader within the Risk, Marketing & Admin Systems team, which serves the Business Services groups...

Overview: Mayer Brown is an international law firm positioned to represent the world’s major corporations, funds, and financial institutions in their most important and complex transactions and disputes. We are recognized by our clients as strategic partners with deep commercial instincts and a commitment to creatively anticipating their needs and delivering excellence in everything we do. We are a collegial, collaborative firm where highly motivated individuals with an unwavering commitment to excellence receive the opportunity, support, and development they need to grow, thrive, and realize their greatest potential all while supporting the Firm’s client service principles of excellence, strategic partnership, commercial instinct, integrated strengths, innovation, and collaboration across our international firm. The Architect: Risk, Marketing and Admin Systems will be a senior technical leader within the Risk, Marketing & Admin Systems team, which serves the Business...

Job Description: Company Description: McDonald's growth strategy, Accelerating the Arches, encompasses all aspects of our business as the leading global omni-channel restaurant brand. As the consumer landscape shifts we are using our competitive advantages to further strengthen our brand. One of our core growth strategies is to Double Down on the 3Ds (Delivery, Digital and Drive Thru). McDonald's will accelerate technology innovation so 65M+ customers a day will experience a fast, easy experience, whether at one of our 25,000 and growing Drive thrus, through McDelivery, dine-in or takeaway.? McDonald's Global Technology is here to power tomorrow's feel-good moments.?? That's why you'll find us at the forefront of transformative technology, exploring new and innovative ways to serve our millions of customers and spread happiness one delicious Hot Fudge Sundae-dipped fry at a time.?Using AI, robotics and emerging tech, we're digitizing the Golden Arches. Combine that with...

Posting Description: Associate Director, Data Science – P&C Predictive Modeling Location: Hybrid (Chicago, Minneapolis, New York) Role Overview Aon’s Strategy & Technology Group is seeking a senior data scientist to help build and scale a predictive modeling advisory capability focused on property & casualty insurance. This role supports complex client engagements across both pricing and non-pricing modeling use cases and contributes to the development of a differentiated predictive analytics offering within STG. The role blends advanced hands-on predictive modeling with client advisory work. The successful candidate will design, build, and deploy models that support underwriting, pricing, retention, claims, and marketing decisions, while working closely with client stakeholders to ensure analytical solutions are practical, interpretable, and aligned with business objectives. Key Responsibilities Design, develop, and deploy predictive models...

Lead Geologist, Technical Services (Coeur Mining, Inc.; Chicago, IL): Develop, maintain, and continuously improve geological and mineral resource models. Provide comprehensive technical support to exploration and mine planning programs across geological operations in the U.S., Mexico, and Canada. Participate in frequent geological site visits to coordinate technical reviews. Define strategies related to surface and underground geological mapping, implementation of sampling and Quality Assurance and Quality Control (QA/QC) programs, validation of geological databases using acQuire®, core logging (both geological and geotechnical), drill planning, and reconciliation between resource models, production, and reserves. Build and update 3D geological and mineral resource models using Leapfrog Geo, Maptek Vulcan, and Datamine Supervisor. Automate workflows with SQL in acQuire® and Python in Vulcan®. Produce data visualizations in Power BI. Support reconciliation of mine-to-mill...

Postdoctoral Scholar Position in Synthetic Biology and Cell Engineering for Neurodegenerative Disease Research Position Type: Postdoctoral Scholar Location: University of Chicago, Pritzker School of Molecular Engineering Principal Investigator: Dr. Milos Simic, PhD Start Date: Flexible About the Unit: The Pritzker School for Molecular Engineering (PME), established in 2011 by the University of Chicago in partnership with Argonne National Laboratory, is a transformational academic unit exploring the intersection of science and engineering. In 2019, in recognition of our success, impact, and expansion, and the support of the Pritzker Foundation, the institute was elevated to the Pritzker School of Molecular Engineering—the first school in the nation dedicated to this emerging field. PME will lead engineering research and education in new directions, solve technological problems of major significance, and continually inspire creative applications of molecular-level...

Posting Description: Director – PathWise Solutions Group – Life Regulation Library This is a hybrid role with the flexibility to work both virtually and from our Chicago office Aon is in the business of better decisions At Aon, we shape decisions for the better to protect and enrich the lives of people around the world. As an organization, we are united through trust as one inclusive team and we are passionate about helping our colleagues and clients succeed. What the day will look like In this role, you will develop PathWise life insurance regulation library, support the consulting services provided by PathWise Solutions Group (PSG) to its North American clients, primarily located in the United States and Canada. The core responsibilities include demonstrating the PathWise platform to potential clients, migrating client’s current financial models into PathWise and/or designing new models and processes within the system, and creating and maintaining...

Job Title Director, Business Intelligence (People Data) Job Description Summary We are looking for an experienced Director of People Analytics & Reporting to drive the next phase of our data-driven HR journey. This role reporting to the VP, People Digital Services and Analytics combines strategic leadership with hands-on execution: you will shape our people-analytics strategy, lead a team of analysts and data engineers, and deliver actionable insights through Workday and modern analytics technologies. The ideal candidate brings strong HR domain knowledge, Workday expertise, deep analytics background and a track record of translating complex data into clear, impactful narratives for business leaders. Job Description Responsibilities: Data & Analytics Strategy Develop and execute a people-analytics strategy aligned to HR and business goals, enhancing our existing people-data platform to maximize use of Workday native technologies and leveraging new age...

Advanced Analytical & Technical Expertise Applies expert-level analytical skills to break down complex credit risk problems, integrating data from multiple internal and external sources to produce insights, recommendations, and decision-ready materials. Designs and produces sophisticated recurring and ad-hoc reports, dashboards, and analytical tools to support credit risk monitoring and regulatory expectations. Conducts advanced credit portfolio analytics including vintage analysis, trend assessments, risk segmentation, and predictive analysis to identify emerging risks and portfolio vulnerabilities. Supports the development of risk decision strategies including data analytics, simulation, validation testing, and reporting requirements to evaluate the effectiveness of new or modified strategies. Data Management & Reporting Leadership Defines business requirements for analytics and reporting to ensure data insights inform senior-level...

Link Logistics Real Estate (“Link”) is a leading operator of warehouses and business parks, specializing in last-mile logistics real estate. Established by Blackstone in 2019, the company connects consumption, technology, and the supply chain across its portfolio, which spans half a billion square feet. We leverage our scale, proprietary data and insights, and foundational focus on sustainability to drive success for our customers’ businesses and deliver value for our stakeholders. We put our people, customers, and communities first and find ways to make a conscious, positive impact where we live and work. Every day, we work to reinvent and lead our industry forward by thinking bigger and challenging the status quo. Because we believe that good business must be synonymous with doing good, strong environmental, social and governance practices are foundational to our identity as a firm. These practices include setting ambitious goals to combat climate change, partnering with...

SAS SQL Python Skills Required Supports the execution of accurate and efficient reporting solutions for risk, regulatory and management information to internal and external stakeholders including regulatory bodies. Supports an efficient and effective risk management function which uses common information sources and practices, reduces ongoing costs, increases service level performance and minimizes risk. Fosters a culture aligned to BMO purpose, values and strategy and role models BMO values and behaviours in all that they do. Ensures alignment between values and behaviour that fosters diversity and inclusion. Regularly connects work to BMO's purpose, sets inspirational goals, defines clear expected outcomes, and ensures clear accountability for follow through. Builds interdependent teams that collaborate across functional and operating groups to create the highest value for all stakeholders. Attracts, retains, and enables the career development of...

Actuarial Analyst II Location: This role requires associates to be in-office 1-2 days per week, fostering collaboration and connectivity, while providing flexibility to support productivity and work-life balance. This approach combines structured office engagement with the autonomy of virtual work, promoting a dynamic and adaptable workplace. Alternate locations may be considered if candidates reside within a commuting distance from an office. Please note that per our policy on hybrid/virtual work, candidates not within a reasonable commuting distance from the posting location(s) will not be considered for employment, unless an accommodation is granted as required by law. The Actuarial Analyst II completes projects and performs complex actuarial studies. How You Will Make an Impact: Primary duties may include, but are not limited to: Performs key actuarial functions related to cost of care, understanding impact of provider and govt regulation changes and...

Principal Data Analyst At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit card offer using statistical modeling and the relational database, cutting edge technology in 1988! Fast-forward a few years, and this little innovation and our passion for data has skyrocketed us to a Fortune 200 company and a leader in the world of data-driven decision-making. As a Data Analyst at Capital One you will leverage analytic and technical skills to innovate, build, and maintain well-managed data solutions and capabilities to tackle business problems. On any given day you will be challenged on three types of work – Innovation, Business Intelligence and Data Management: Innovation Use Open Source/Digital technologies to mine complex, voluminous, and different varieties of data sources and platforms Build well-managed data solutions, tools, and capabilities...

Principal Data Analyst At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit card offer using statistical modeling and the relational database, cutting edge technology in 1988! Fast-forward a few years, and this little innovation and our passion for data has skyrocketed us to a Fortune 200 company and a leader in the world of data-driven decision-making. As a Data Analyst at Capital One you will leverage analytic and technical skills to innovate, build, and maintain well-managed data solutions and capabilities to tackle business problems. On any given day you will be challenged on three types of work – Innovation, Business Intelligence and Data Management: Innovation Use Open Source/Digital technologies to mine complex, voluminous, and different varieties of data sources and platforms Build well-managed data solutions, tools, and capabilities...

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 Job overview and responsibilities The Ancillary Products team, a part of United's Revenue management team, manages a multi-billion-dollar portfolio of travel add-ons including Economy Plus, upgrades, seat assignments, checked bags, Wi-Fi, travel insurance, and more. The Ancillary Products Senior Manager directs a team of managers and analysts dedicated to improving revenue performance and customer satisfaction for United's ancillary portfolio through product strategy, offer optimization and analytical insight. They will directly influence strategy and investment for high-margin ancillary products, improve customers' travel experience, and impact United's bottom...

Application Deadline: 04/29/2026 Address: 320 S Canal Street Job Family Group: Data Analytics & Reporting SAS SQL Python Skills Required Supports the execution of accurate and efficient reporting solutions for risk, regulatory and management information to internal and external stakeholders including regulatory bodies. Supports an efficient and effective risk management function which uses common information sources and practices, reduces ongoing costs, increases service level performance and minimizes risk. Fosters a culture aligned to BMO purpose, values and strategy and role models BMO values and behaviours in all that they do. Ensures alignment between values and behaviour that fosters diversity and inclusion. Regularly connects work to BMO's purpose, sets inspirational goals, defines clear expected outcomes, and ensures clear accountability for follow through. Builds interdependent teams that collaborate across functional and...

Company description Starcom is the world's first standalone media agency, a storied innovator that continues to lead the way for many of the world's best brands. Starcom has long been the professional birthplace and proving ground for marketing leaders - CEOs, CMOs, sales leaders, and technology pioneers - and we continue to drive the industry with peerless talent and relentless innovation. From the start, we've known that achieving growth for our clients requires understanding and connecting with real people where they live and work, in ways they value. In an AI era, we remain ""Guided By Humanity,"" a phrase that describes our foundational belief that human expertise must remain in the driver's seat, supported by the best processes and technology. With our proprietary capabilities and Publicis Media's industry-leading resources and clout, we create ideas that move people and drive transformative business outcomes for brands. Overview The Applied Analytics team...

Posted Date 3/31/2026 Description Principal Data Analyst At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit card offer using statistical modeling and the relational database, cutting edge technology in 1988! Fast-forward a few years, and this little innovation and our passion for data has skyrocketed us to a Fortune 200 company and a leader in the world of data-driven decision-making. As a Data Analyst at Capital One you will leverage analytic and technical skills to innovate, build, and maintain well-managed data solutions and capabilities to tackle business problems. On any given day you will be challenged on three types of work – Innovation, Business Intelligence and Data Management: Innovation Use Open Source/Digital technologies to mine complex, voluminous, and different varieties of data sources and platforms Build well-managed data...

Posted Date 3/31/2026 Description Principal Data Analyst At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit card offer using statistical modeling and the relational database, cutting edge technology in 1988! Fast-forward a few years, and this little innovation and our passion for data has skyrocketed us to a Fortune 200 company and a leader in the world of data-driven decision-making. As a Data Analyst at Capital One you will leverage analytic and technical skills to innovate, build, and maintain well-managed data solutions and capabilities to tackle business problems. On any given day you will be challenged on three types of work – Innovation, Business Intelligence and Data Management: Innovation Use Open Source/Digital technologies to mine complex, voluminous, and different varieties of data sources and platforms Build well-managed data...

JOB REQUISITION Chicago Technology Audit Senior Manager LOCATION CHICAGO ADDITIONAL LOCATION(S) JOB DESCRIPTION You Belong Here The Protiviti Career provides opportunity to learn, inspire, and advance within a collaborative and inclusive culture . We hire curious individuals for whom learning is a passion. We lean into our mission: We Care. We Collaborate. We Deliver. At every level, we champion leaders who live our values of integrity, inclusion, innovation, and commitment to success . Imagining our work as a journey, we believe integrity guides our way, inclusion moves us forward together, innovation creates new destinations, and our commitment to success empowers us to deliver on our vision to be the most trusted global consulting firm . Where We Need You:? Protiviti is looking for a Technology Audit & Advisory Senior Manager to join our growing team. What You Can Expect:? As a Senior Manager, you'll partner with our clients to manage risk associated...

Company description Welcome to Our World We've been leading the charge in the affiliate industry from day one-establishing performance marketing and paving the way for future innovations. We're known for maintaining one of the largest, most reliable partnership platforms with impeccable, personalized service. Founded in Santa Barbara, California in 1998, CJ (formerly Commission Junction) stands as the most trusted name in performance marketing. We specialize in building partnerships between top brands and reputable publishers to drive revenue and business growth. CJ's industry-leading solutions make us the platform of choice for over 3,800 global brands across sectors like retail, travel, finance, technology, and home services. As part of Publicis Groupe, our savvy data capabilities, cutting-edge tech, and strategic expertise facilitate genuine connections, allowing brands to reach consumers wherever they are. A Quick Peek at Affiliate Marketing Think back to your...

Company description Mars United? Commerce is a global commerce marketing practice that aligns people, technology, and intelligence to make the business of our clients better today than it was yesterday. Our worldwide capabilities coalesce into four key disciplines - Strategy & Analytics, Content & Experiences, Digital Commerce, and Retail Consultancy - that individually deliver unmatched results for clients and collectively give them an unparalleled network of seamlessly integrated functions across the entire commerce marketing ecosystem. These disciplines are powered by our industry-leading technology platform, Marilyn®, which helps marketers understand the total business impact of their commerce marketing activation, enabling them to make better decisions, create connected experiences, and drive stronger, measurable results. Learn more at https://www.marsunited.com/. Overview The Director, Media Activation will implement and oversee programmatic adtech...

JOB DESCRIPTION: Lead Data Scientist Work location - Chicago, IL. Work model - Hybrid - 4 days onsite per week. Long Term Contract Tax Term: W2 About the role: We are seeking a seasoned Lead Data Scientist to spearhead AI and machine learning initiatives for our insurance operations. You will design, develop, and deploy advanced GenAI solutions like RAG and Agentic AI workflows to optimize risk assessment, claims automation, fraud detection, and personalized underwriting. Leading a team, you'll integrate AI into production systems on Cloud platforms, drive model performance, and align innovations with business goals in the dynamic insurance landscape. Key Responsibilities: Generative AI & Agentic Workflows: Design and implement RAG systems and Agentic AI workflows using prompt engineering, fine-tuning of LLMs, and frameworks like LangGraph/LangChain to automate insurance processes such as policy binding and claims adjudication. Develop autonomous AI agents for tasks...