Jobs for freelance data science engineer python sql at Chicago

Who Are We? Prolaio believes that continuous learning and collaboration can make a significant difference in how heart care is administered. We are creating smarter ways to address heart disease and heart risks by uniting patients, care teams, and researchers on a secure, technology-enabled platform that drives clinical innovation and offers a path towards...

What's the role? Our team has partnered closely with customers to build a robust quality measurement system for HD maps, ensuring both safety and availability in automated driving. Through multi-step review processes, we generate independent reference data for map features and attributes, guaranteeing high data integrity. This system not only evaluates map...

Company Description Click here to view how Epsilon transforms marketing with 1 View, 1 Vision, 1 Voice. Overview This Notice is provided as a result of the filing of applications for permanent alien labor certification for the positions noted below. Any person may provide documentary evidence bearing on an application to the Certifying Officer, U.S....

Mechanical Engineering AI Trainer About The Role We're looking for mechanical engineers to help train and evaluate cutting-edge AI models being developed by the world's leading AI research labs. Your deep technical knowledge will directly shape how AI understands and reasons through complex engineering problems — from fluid dynamics to structural...

Job Title: Data Scientist Job Type: Contractor Location: Remote Role Overview Partnering with a leading AI research organization to engage experienced data scientists for a project focused on evaluating how well AI systems perform real-world data science work. Rather than producing deliverables yourself, you will define what excellent work looks like:...

Join a team building cloud-native systems, high-throughput data applications, and an expanding set of AI-driven and agentic tooling. Location: Candidates must be based in MN, IL, or the Kansas City metro area. What You'll Do: Build scalable, high-complexity solutions that power near-real-time decision engines Help design and grow distributed systems,...

Computer Engineering - AI Data Trainer Location: Remote About The Job At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting-edge AI models. You’ll challenge advanced language models on topics like computer architecture and hardware design, embedded systems and IoT, networking and distributed systems,...

About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in Chicago to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level...

Our Story Founded in 2008, Hightower is a wealth management firm that provides investment, financial and retirement planning services to individuals, foundations and family offices, as well as 401(k) consulting and cash management services to corporations. Hightower’s capital solutions, operational support services, size and scale empower its vibrant...

Title - Data Quality Analyst, Capital Markets Company Overview Business Integration Partners (BIP) is Europe’s fastest growing digital consulting company and are on track to reach the Top 20 by 2030, with an expanding global footprint in the US (New York, Charlotte, Chicago, and Houston). Operating at the intersection of business and technology we design,...

Precision Medicine Data Lead (AI Training) About The Role What if your expertise in genomic and clinical data could directly shape how AI understands and advances personalized medicine for patients around the world? We're looking for a Precision Medicine Data Lead to bring together complex healthcare datasets, drive analytical strategy, and help train AI...

We're hiring on behalf of a Haystack partner! The Role Work closely with business, IT, Analyst and Data Science groups to collect business requirements Develop, deploy, and support high-performance inbound and outbound data pipelines Optimize data pipelines for performance, scalability, and reliability Ensure quality of...

Shape how we store, move, and protect data across products—performance, reliability, and recoverability for enterprise customers. Key responsibilities Design and maintain PostgreSQL schemas, indexing strategies, partitioning, and migration plans in partnership with product engineering. Own backup, restore, replication, and failover practices; validate...

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more...

Halo Investing is looking for a Chicago-based QA Automation Engineer (Playwright) with 3 to 5 years of experience to join our engineering team. In this role, you will play a critical part in designing, building, and maintaining robust end-to-end automation test suites. Your primary focus will be leveraging Microsoft Playwright to ensure the stability,...

Who You’ll Work With Slalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value, in all ways, always. From strategy through delivery, our agile teams across 52 offices in 12 countries collaborate with clients to bring powerful customer experiences, innovative ways of working, and new products and...

***Candidates must be authorized to work in the United States*** ***Individuals MUST be local to Chicago, as relocation assistance is not available*** We are seeking a Data Analyst, AI & ML (Chicago-based) to join our growing Product & Data team in our downtown Chicago office. This is an ideal opportunity for someone who enjoys working with data,...

Description This position has a target start date in summer 2027. We are seeking a Software Engineer Intern to join our Full Stack Development team. In this role, you will contribute to the design, development, and delivery of web applications and services that support Sargent & Lundy’s internal operations and client-facing solutions. This hands-on...

Job Title: Full Stack Engineer Location: Hybrid in Chicago, IL (Thrice a week office ) Type: Fulltime Ideal Candidate From the hiring manager: The candidate should have strong software engineering fundamentals with production experience in backend, front end, API, streaming processes. Strong in Python in a must have. strong IaC and hands on experiences...

Overview: AvePoint is hiring a Revenue Operations GTM Engineer to design and build the underlying technical infrastructure that powers our revenue engine across departments, including Sales, Marketing, Product, and Customer Success.  This role sits within Revenue Operations (RevOps) and treats Go-To-Market execution as an engineered system —...