Jobs for freelance data science engineer python sql at Chicago

Boston, Chicago, New York, Dallas, Toronto, Montreal Lead Data Scientist ____ Who We Are Oliver Wyman is a global leader in management consulting. With offices in 50+ cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, finance, operations, technology, risk management, and organizational...

About Us Optimal Market Technologies is a FINRA-registered broker-dealer with an innovative platform of wholesale options and execution solutions designed to meet the needs of today’s dynamic market participants. Optimal can quickly and seamlessly enhance its platform, adapt to regulatory changes, and offer a more efficient implementation that scales as...

About Us: Optimal Market Technologies is a FINRA-registered broker-dealer with an innovative platform of wholesale options and execution solutions designed to meet the needs of today’s dynamic market participants. Optimal can quickly and seamlessly enhance its platform, adapt to regulatory changes, and offer a more efficient implementation that scales as...

Overview Ontrac Solutions is seeking a Network Automation & Reliability Engineer to operate and automate hyperscale data center, backbone, and out-of-band (OOB) networks. This is a Python-first role: you will spend more of your week writing code that operates the network than typing on a CLI. You will build the tooling, telemetry pipelines, and self-healing...

Payrate: $84.00- $85.00/hr. Position’s Contributions to Work Group: AKA Senior SDET Extend testing automation framework using JAVA/JAVA Script Take ownership in understanding business requirements/Client and developing test strategy/test plan Develop automation testcases using existing automation framework Typical task breakdown: Develop test automation...

Automation Engineer (Custom n8n Connector Development) About the Role As an Automation Engineer, you will design, develop, and maintain a custom n8n connector (node) to integrate with our API, enabling robust automation workflows within the n8n platform. You will work closely with cross-functional teams to ensure the connector is reliable, user-friendly,...

Established in 2021, Independence Pet Holdings is a corporate holding company that manages a diverse and broad portfolio of modern pet health brands and services, including insurance, pet education, lost recovery services, and more throughout North America. We believe pet insurance is more than a financial product and build solutions to simplify the pet...

The Lead Software Engineer will take technical ownership of the full-stack applications the team builds on React, .NET, Next.js, and Azure, including AI-powered features that help lawyers and staff work more effectively. This is a hands-on leadership role: you will write and review code, set engineering standards, make architectural decisions, and mentor...

Integration Engineer II, AI & Engineering/Engineering as a Service Join our AI & Engineering team in transforming technology platforms, driving innovation, and helping make a significant impact on our clients' success. You'll work alongside talented professionals reimagining and re-engineering operations and processes that are critical to business. Your...

Who We Are Nobody calls a logistics coordinator to say things went well. They call because a $100,000 shipment of clinical trial medication has been sitting in customs for three days and nobody can explain why. Because a biologic therapy arrived outside its temperature window and the treatment has to start over. Because the patient is waiting and nobody in...

Paychex is reimagining how businesses manage their workforce by bringing payroll, HR, benefits, and advisory services together into a single connected HCM platform. As Paychex and Paycor come together, we're combining innovative technology, data-driven insights, AI, and human expertise to help organizations work smarter, support their people, and achieve...

An Introduction to Codal Codal is an award-winning web design and development consultancy that helps enterprise organizations solve complex problems and accelerate growth through elegant, data-driven digital solutions. Our areas of expertise include application modernization, eCommerce, UX/UI design, product strategy, data analytics, and artificial...

Deloitte is at the leading edge of GenAI innovation, transforming Strategic Analytics and shaping the future of Finance. We invite applications from highly skilled and experienced AI and Data Science Engineer III professionals ready to drive the development of our next-generation GenAI solutions. Recruiting for this role ends on August 10th 2026. Work...

Celonis is the global leader in Process Intelligence and the pioneer of Process Mining technology. As one of the world’s fastest-growing enterprise SaaS companies, we are changemakers pushing the boundaries of what’s possible. We invest heavily in advanced AI capabilities—specifically our Process Intelligence Graph—to turn data insights into...

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview Directors, Software Engineering for Chicago IL, location. Provide strategic and technical leadership for multiple cross functional, geographically distributed engineering teams responsible for the development, modernization, and operation of...

Who We Are Rhombus is on a mission to make the world safer with simple, smart, and powerful physical security solutions. We deliver a cloud-managed physical security platform that brings together cameras, access control, sensors, alarms, and integrations into one unified system. Our platform enables organizations to see, manage, and respond to critical...

Fitch Group is currently seeking a Senior Software Engineer, Full Stack Engineer based out of our Chicago office.     Fitch Group is currently seeking a Senior Software Engineer, Full Stack Programmer based out of our Chicago office. About Fitch Group: As a leading, global financial information services provider, Fitch Group delivers vital credit and...

Northern Trust is seeking a Senior Analyst, Software Engineering to support and enhance a suite of business-critical applications used by our partners and clients. This role is ideal for a technically strong engineer who enjoys investigating production issues, partnering with business users, and delivering code fixes and enhancements in a fast-paced...

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...

Job Title: Software Implementation Engineer (m/f/x) Location: US (East Coast) Who You’ll Work For: At Makersite, we're pioneering the future of sustainable product development and digital collaboration. As a leading platform for product lifecycle management (PLM), we empower companies to make smarter, more sustainable decisions across their entire supply...