23 lead python developer jobs found in Chicago

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...

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...

Job Title Head of Forecasting Job Description Summary Key Objectives: Lead development and maintenance of best-in-class, end-to-end CRE forecasting infrastructure for the Americas, with emphasis on accuracy and scope above all else, as well as capability/functionality, scalability, flexibility and automation/efficiency. Integrate emerging methods into existing framework, and push Cushman & Wakefield to the frontier of forecasting and predictive (time series) analytics. Serve as key partner to Global Chief Economist and execution/production of House View in seamless manner, whereby the macro-to-micro architecture employs best-in-class techniques for consistency at all levels. Job Description Develop & Maintain Best-in-Class CRE Forecasting Infrastructure (50%) Oversee new architecture that houses end-to-end solution for Americas CRE forecasting, using best-in-class practices around macro-to-micro techniques and reconciliation. Ensure...

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...

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...

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...

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...

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 comprised of many talented individuals all working together with cutting-edge technology to build the best airline in the history of aviation. Our team designs, develops and maintains massively scaling technology solutions brought to life with innovative architectures, data analytics, and digital solutions. Job overview and responsibilities Manager Data Analyst – IT is a data driven leader with a passion for data and analytics, the willingness to dig deep into details, and the ability to assess the big picture and identify process improvement Developing and maintaining strong relationships with key stakeholders across...

Job Title Director, People Analytics and Reporting 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...

Company Description Spark Foundry was built during the most transformative time in the history of advertising and marketing. We deliver everything a traditional media agency has to offer and have grown into one of the world’s most successful agencies by helping brands evolve their marketing by leveraging identity, commerce, artificial intelligence, and more to connect with people. Transformation is part of our DNA. Spark Foundry’s start-up spirit delivers high-touch approaches and a never-ending desire to challenge the status quo. Combined with Publicis Media’s powerhouse soul leveraging connected data assets, advanced AI applications, and investment clout, we “Bring HEAT to Brands.” No other agency possesses the expertise that we do to address today’s most pressing challenges to drive business transformation through media. Overview Associate Director, AI Solutions Architect is a senior, hands-on engineering leader responsible for driving the design,...

Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End/Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Software Engineer, you’ll have the opportunity to be on the forefront of driving a major transformation within Capital One. Intelligent Foundations & Experiences (IFX) is a powerful collective of horizontal technology organizations that are driving Capital One’s real-time intelligent future. Together with our partners in the Enterprise and across lines of business, we deliver broad-reaching technical solutions and advance state-of-the-art science to help every Capital One associate and our 100+M customers...

Company Description Spark Foundry was built during the most transformative time in the history of advertising and marketing. We deliver everything a traditional media agency has to offer and have grown into one of the world’s most successful agencies by helping brands evolve their marketing by leveraging identity, commerce, artificial intelligence, and more to connect with people. Transformation is part of our DNA. Spark Foundry’s start-up spirit delivers high-touch approaches and a never-ending desire to challenge the status quo. Combined with Publicis Media’s powerhouse soul leveraging connected data assets, advanced AI applications, and investment clout, we “Bring HEAT to Brands.” No other agency possesses the expertise that we do to address today’s most pressing challenges to drive business transformation through media. Overview Associate Director, AI Solutions Architect is a senior, hands-on engineering leader responsible for driving the design,...

This is a hybrid role in Chicago, IL. Turquoise is launching an Associates Program designed to bring exceptional early-career talent into the heart of our operations. As an Associate, you will be embedded on our Implementation and Customer Support teams, contributing directly to client-facing deliverables while building deep expertise in healthcare revenue cycle management and managed care contracting. This role offers hands-on experience from day one. Associates support health systems and payers in understanding their contract economics, assist with validating our AI-powered contract intelligence tools, and help ensure clients receive accurate and well-structured data that supports their operations. We are a growth-stage startup moving fast, thinking big, and hiring people who want to do the same. If you are energized by hard problems, curious about how healthcare actually works, and ready to learn a lot quickly, you will fit right in. Responsibilities: Support client...

AI Senior Consultant – Talent Solutions About The Role Aon’s Talent Solutions team helps clients make better people decisions by combining advisory expertise with analytics and technology! As an AI Senior Consultant, you will design and deliver AI‑enabled talent solutions that help clients understand the impact of AI on their workforces, reimagine jobs and skills, and accelerate transformation with practical, scalable outcomes. You’ll partner across Talent Advisory and Analytics to integrate AI methods into client engagements—spanning job architecture, rewards benchmarking, talent assessment, and workforce strategy—so leaders can act with confidence. Key Responsibilities Client advisory & delivery Lead workstreams within client engagements to diagnose AI impacts on work, roles, and skills; synthesize findings into clear recommendations and implementation roadmaps. Facilitate client workshops on job reimagination, future skills mapping, and change readiness;...

RWE Supply & Trading Americas, LLC To start as soon as possible, full time, permanent About The Role Congestion is a core source of commercial value in our U.S. power markets. As Head of Congestion Optimization, you lead a commercially critical area with full accountability for congestion revenues. You set direction for how we read nodal signals, position assets, and make decisions in fast-moving markets - balancing speed, discipline, and commercial judgement. You bring senior commercial judgement and an entrepreneurial mindset to how congestion value is captured and grown. You provide clear direction, make confident calls in real time, and ensure decisions are taken with pace and commercial focus. With a strong instinct for value creation, you spot opportunities as markets evolve, test new ideas pragmatically, and expand the value we capture from congestion as scale and complexity increase. Lead and further advance an established congestion trading &...

Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Data Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead Data Engineer, you’ll have the opportunity to be on the forefront of driving a major transformation within Capital One. What You’ll Do: Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies Work with a team of developers with deep experience in machine learning, distributed microservices, and full stack systems Utilize programming languages like Java, Scala, Python and Open Source RDBMS and NoSQL databases and Cloud based data...

AI Senior Consultant – Talent Solutions About The Role Aon’s Talent Solutions team helps clients make better people decisions by combining advisory expertise with analytics and technology! As an AI Senior Consultant, you will design and deliver AI‑enabled talent solutions that help clients understand the impact of AI on their workforces, reimagine jobs and skills, and accelerate transformation with practical, scalable outcomes. You’ll partner across Talent Advisory and Analytics to integrate AI methods into client engagements—spanning job architecture, rewards benchmarking, talent assessment, and workforce strategy—so leaders can act with confidence. Key Responsibilities Client advisory & delivery Lead workstreams within client engagements to diagnose AI impacts on work, roles, and skills; synthesize findings into clear recommendations and implementation roadmaps. Facilitate client workshops on job reimagination, future skills mapping, and change readiness;...

Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead Software Engineer, you’ll have the opportunity to be on the forefront of driving a major transformation within Capital One. What You’ll Do: Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack systems to create solutions that help meet regulatory needs for the company Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology...