Python Developer Jobs in Fairfield, IL, US

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Senior Data Engineer

Rosemont, Illinois, United States

$91k-$228k/yr RemoteFull Time

IQVIANYSE: IQV: Provides clinical research and data analytics for pharmaceutical companies.

5+ YOE5+ years in data engineering; 2–3 years in a senior role; Python and SQL; cloud experience (GCP/AWS preferred; Azure acceptable); data warehousing with BigQuery or similar; strong communication.

Python, SQL, Google Cloud, AWS, Azure, BigQuery, Snowflake, JavaScript

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Data Analytics Engineer - Chicago

Chicago, Illinois, United States

$120k-$130k/yr HybridFull Time

STEAMe: Provides digital infrastructure to coordinate and transform workforce systems.

3+ YOE3-6 years analytics engineering or data engineering; strong SQL and Python; BI tools; data modeling; able to work in a startup environment.

SQL, Python, Tableau, Looker, Power BI, dbt

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Lead AI Engineer

Chicago or New York or Fort Lauderdale or Birmingham

$138k-$172k/yr HybridFull Time

OneStreamNASDAQ: OS: AI-driven enterprise finance platform for unified planning and reporting.

3+ YOEBachelor’s degree or equivalent; 3-5 years ML production experience; 3-5 years Python; 3-5 years frontend; SQL DB design; distributed/cloud computing; minimal travel.

Python, SQL, Frontend, Backend, Cloud computing, Distributed systems, Flask, FastAPI

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Senior Data Engineer

North Chicago, Illinois, United States

$118k-$179k/yr HybridFull Time

AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.

10+ YOEBachelor’s or higher in Computer Engineering/Applications with10 years IT experience; 8 years with relevant tech; 3 years leadership. Proficiency in Python, Spark, SQL, AWS, Airflow; data pipelines; API arch.

Python, Apache, Spark, SQL, AWS (EC2, Glue, S3, Redshift, Athena), Relational databases, Non-relational databases, Apache Airflow, GlueETL, APIs, Metadata management, Data quality, Data lineage

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ML Infrastructure Engineer

Los Angeles or Vancouver or Boston or Chicago or Vancouver

$145k-$165k/yr RemoteFull Time

Later: Provides software for social media scheduling and influencer marketing.

4+ YOE4+ years in ML Ops or related roles; cloud (AWS/GCP); CI/CD for ML; Python; Docker; Kubernetes; Terraform; monitoring tools.

AWS, GCP, Docker, Flask, Terraform, CloudFormation, GitHub Actions, GitLab CI, Bitbucket Pipelines, Kubernetes, SageMaker, MLflow, Weights & Biases, TorchServe, Seldon, TensorRT, BigQuery, Prometheus, Grafana, CloudWatch, GKE, EKS, Python, Go, Java, Scala

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Forward Deployed AI Engineer, TechEx, Software -US

Chicago, Illinois, United States

$163k-$221k/yr HybridFull Time

West Monroe: Business and technology consultancy specializing in digital transformation.

5+ YOE5–8+ years of software engineering or related experience; cloud; API design; distributed systems; travel 25–50%; client-facing.

Python, TypeScript, Java, C#, JavaScript, React, AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD, REST, GraphQL, PostgreSQL, MongoDB

2mo

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2mo

Senior IAM Engineer

Chicago, Illinois, United States

$120k-$160k/yr OnsiteFull Time

Tempus AINasdaq: TEM: Develops AI-powered precision medicine and diagnostic software solutions.

5+ YOE5+ years enterprise Okta management; Identity-as-Code with Okta Workflows; AD sync; REST/API integrations; MFA and access controls; SOC2/ISO27001/SOX compliance; Python/PowerShell/JavaScript; Zero Trust.

Okta, Active Directory, SAML, OIDC, OAuth 2.0, SCIM, REST APIs, Python, PowerShell, JavaScript, Terraform, Zero Trust

1mo

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1mo

Senior Data Engineer

Deerfield, Illinois, United States

HybridFull Time

PremiStar: Provides commercial HVAC, plumbing, and building automation services.

3+ YOE3-5 years ETL/ELT, 3-5 years SQL (MS SQL Server), 1-3 years data modeling, Bachelor's in CS/IS, Azure Synapse/ADF, D365, Power BI, Python/PySpark.

Azure Synapse Analytics, Azure Data Factory, Microsoft SQL Server, Power BI, Dynamics 365, Python, PySpark, SSIS, SSAS

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Security Lead Software Engineer

Elmhurst, Illinois, United States

$235k-$310k/yr OnsiteFull Time

McMaster-Carr: Supplies maintenance, repair, and operations products to industrial customers.

Hands-on security operations, vulnerability management, and scripting in Python/PowerShell; experience across detection, response, and cloud security.

Splunk, Tenable, Carbon Black, Symantec, Active Directory/Entra ID, ForeScout, Proofpoint, Checkpoint, Wireshark, tcpdump, Python, PowerShell, Azure, Linux, Kubernetes, Cisco ACI, GitLab, VMware, Copilot, OpenAI, Gemini, Claude

1mo

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1mo

Principal Software Engineer

Boston or St. Louis or Cleveland or Philadelphia or Chicago or San Francisco or New York City or Kansas City or Atlanta or Minneapolis or Dallas or Richmond

$173k-$260k/yr OnsiteFull Time

Federal Reserve System: The central bank of the United States.

8+ YOE8+ years Java development; 4+ years AWS cloud experience; cloud-first architecture; CI/CD, DevOps; serverless; strong communication.

Java, Spring, Terraform, NoSQL, RDS, Kafka, Python

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Senior Data Engineer (Health Research Team)

Chicago, Illinois, United States

$105k-$199k/yr HybridFull Time

Milliman: Global provider of actuarial and risk management consulting services.

6+ YOE6+ years in data engineering; strong SQL and Python; experience with Databricks, AWS, and data pipelines.

Python, PySpark, SQL, Databricks, AWS EC2, AWS S3, GitHub

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Sr AI/ML Engineer

Irving or Chicago or Centennial

$102k-$179k/yr HybridFull Time

Vizient: Provides performance improvement and supply chain services to hospitals

5+ YOE5+ years in ML engineering; production ML deployment; LLM/RAG; Python; CI/CD; cloud; vector DBs; LangChain/LlamaIndex; build scalable AI solutions.

Python, FastAPI, MLflow, LangChain, LlamaIndex, vector databases, embedding workflows, CI/CD, containerization, cloud

3mo

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3mo

Senior Cloud Security Engineer

Chicago or New York City

$129k-$232k/yr HybridFull Time

BrazeNasdaq: BRZE: Platform for personalized customer engagement and multichannel marketing.

5+ YOE5+ years in Cloud/SecOps, deep AWS security, Kubernetes, CSPM/CWPP tooling, Python scripting, and incident response.

AWS, GCP, Kubernetes, Terraform, Python, Tenable, CrowdStrike, CSPM, CWPP, SOAR, SIEM

1mo

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1mo

Senior Cloud Security Engineer

Atlanta or Austin or Boston or Chicago or Denver or New York or San Francisco or United States

$139k-$213k/yr HybridFull Time

Iterable: AI-powered platform for personalized cross-channel customer engagement

5+ YOE5+ years in Cloud Security/DevSecOps, Kubernetes, AWS, Terraform, IaC, Python or Go; GitHub/GitLab actions; security best practices; policy tools like OPA or Kyverno.

Kubernetes, helm, ArgoCD, AWS, Terraform, GitHub, GitLab, OPA, Kyverno, Python, Go, Datadog, Prometheus

1mo

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1mo

AI Platform Engineer (Hybrid work schedule)

Addison, Illinois, United States

$99k-$134k/yr HybridFull Time

Parts Town: Distributes genuine OEM parts for commercial kitchens, HVAC, and appliances.

Data modeling, Python and SQL, production-grade data pipelines, GCP, governance and scalable platform design.

Python, SQL, GCP, Infrastructure as Code

1mo

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1mo

Senior Software Platform Engineer

Chicago or Remote

$165k-$185k/yr HybridFull Time

PsiQuantum: Builds fault-tolerant quantum computers using silicon photonics technology.

5+ YOE5+ years in Platform Engineering/DevOps/SRE; strong AWS/ECS/EKS and Terraform; CI/CD; GPU/HPC experience; security and compliance knowledge; Python/CUDA skills a plus.

AWS, Terraform, GitHub Actions, GitLab CI, CUDA, SLURM, Python, Docker

2mo

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2mo

Embedded Software Engineer II (Oak Brook, IL, US)

Oak Brook, Illinois, United States

$84k-$113k/yr OnsiteFull Time

CNHNYSE: CNH: Manufactures agricultural and construction equipment and provides related services.

3+ YOEBachelor’s or Master’s in CS or related; 3+ years embedded software on Yocto/Linux; strong C++, Linux/Posix, CMake; CI/CD with GitLab; debugging and testing; software for embedded systems.

Yocto/Linux, C++, CMake, GitLab CI/CD, Polarion, Jira, Qt, Python, TCP/IP, Ethernet, MQTT, XMPP, DDS

2mo

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2mo

Software Engineer - within Wisconsin / northern Illinois footprint

Racine, Wisconsin, United States

RemoteFull Time

Johnson Financial Group: Provider of banking, wealth management, and insurance solutions.

Bachelor's degree or equivalent experience; proven development experience; knowledge of OO software development, SQL, web apps/services, APIs, tooling, or related platforms; ability to manage tasks and deadlines independently.

.NET, ASP.NET, C#, JavaScript, jQuery, SQL Server, SSIS, SSRS, Python, REST API, React, HTML, CSS, Azure, DevOps

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Intern - AI/ML Software Engineer (Summer 2026)

Oak Brook, Illinois, United States

HybridFull Time

Chamberlain Group: Provides smart access solutions and residential garage door openers.

Pursuing a bachelor’s or master’s in CS/Software Eng; able to work from Oak Brook, IL office at least 3 days/week; internship focused on Generative AI; strong interest in AI and software engineering.

Python, JavaScript, TypeScript, LLMs, AI coding assistants, Agile (Scrum)

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Senior Network Security Engineer

Southlake or Ashburn or Cary or Rolling Meadows or Alpharetta or Temple Terrace or Walnut Creek or Branchburg

$101k-$194k/yr HybridFull Time

VerizonNYSE: VZ: Provides wireless, fiber-optic internet, and telecommunications services globally.

4+ YOEBachelor’s degree or 4+ years in cybersecurity; IAM familiarity; incident response lifecycle; automation playbooks with SOAR/Python; Splunk SPL and threat hunting.

Splunk, SOAR, Python, Splunk SPL, SIEM

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Senior Machine Learning Engineer

Chicago, Illinois, United States

$150k-$185k/yr RemoteFull Time

Allied Benefit Systems: Administers self-insured health benefit plans for employer organizations.

6+ YOE6+ years building and operating production ML systems; strong Python; PyTorch/TensorFlow; data pipelines; cloud; MLOps; regulated industries preferred.

Python, PyTorch, TensorFlow, Azure, AWS, Databricks

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Data Engineer Associate - Contract

Rolling Meadows, Illinois, United States

$42k-$82k/yr RemoteContract

Arthur J. Gallagher & Co.NYSE: AJG: Global insurance brokerage and risk management services provider.

2+ YOETechnical BS with 2+ years experience or MS in IT/Data Science/Engineering; 1+ year SQL; Snowflake/Azure/SQL Server; Python/Java/XML; data lake, AI/frameworks, ML concepts; agile experience preferred.

Snowflake, Azure Data Factory, SQL Server, Python, Java, XML, Data Lake, Cortex AI Functions, Oracle, JDE

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Transmission & Power Markets Engineer

Boston or Chicago or Austin

$88k-$100k/yr HybridFull Time

Nexamp: Provides community solar and energy storage solutions.

2+ YOEBachelor’s in electrical engineering or related field; 2+ years in power systems or market analytics; strong Excel/SQL/Python; experience with grid interconnection and transmission planning.

Excel, SQL, Python, Power BI, PSS/E, PSLF, TARA, PowerGEM, contingency analysis

1mo

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1mo

SOC/Incident Report Engineer

Chicago, Illinois, United States

$112k-$139k/yr HybridFull Time

Benesch: Provides comprehensive legal counsel and representation for businesses nationwide.

3+ YOE3–7 years in SOC/IR, strong networking and cloud security, SIEM/EDR/forensics expertise, cloud security tooling, scripting (Python/PowerShell/KQL).

Microsoft Sentinel, Splunk, Microsoft Defender for Endpoint, CrowdStrike, Velociraptor, Autopsy, FTK, KAPE, Azure Defender, AWS GuardDuty, Google Cloud SCC, Python, PowerShell, KQL

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Lead Developer - Data, AI, & Wealth Tech Platforms - Chicago, IL

Chicago or Lincolnshire or Rockford

$125k-$175k/yr HybridFull Time

Savant Wealth Management: Independent fiduciary firm providing comprehensive wealth management and planning.

7+ YOE7+ years data engineering; Bachelor's in CS/IS/Data Eng or equivalent; strong Microsoft Azure; production data pipelines; SQL & Python; experience with AI/ML data workflows and enterprise feeds.

Microsoft Azure, Azure Fabric, SQL, Python, PySpark, Spark

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AI Business Engineer - Investment Banking Experience

New York or Saint Petersburg or Charlotte or Mc Lean or Raleigh or Chicago or Boston

$65k-$140k/yr HybridFull Time

Raymond JamesNew York Stock Exchange: RJF: Provides wealth management, investment banking, and retail banking services.

3+ YOE1-6 years in technology/digital innovation; Python/SQL; AI/LLMs; data analysis; vendor and project management; strong communication.

Python, SQL, Excel, LLMs, APIs, Low-code/no-code tools

1mo

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1mo

Legal AI Engineer - Konexo US

Atlanta or Washington or Houston or New York City or Chicago

$108k-$208k/yr HybridFull Time

Eversheds Sutherland: Global law firm providing legal and business advisory services.

5+ YOE5+ years in legal industry with 3+ years implementing AI/automation in a legal context; strong AI governance, LLMs, and prompt engineering experience; proficient with Python and AI tooling.

LangChain, AutoGen, CrewAI, Power Platform, APIs, REST, Zapier, Make, n8n, Python, Vector Databases, GDPR, CCPA

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Automation & Software Engineer (Advanced Manufacturing)

Schaumburg, Illinois, United States

$90k-$120k/yr OnsiteFull Time

DN Solutions: Manufacturer of precision CNC machine tools and industrial automation

5+ YOEBachelor's degree in Engineering; 5+ years in manufacturing automation or industrial software; experience with CNC controls and robotics; programming in Python/C#; knowledge of OPC-UA/MTConnect/Ethernet/IP.

Python, C#, PLCs, OPC-UA, MTConnect, Ethernet/IP, Siemens, Fanuc, KUKA, ABB, NX, PowerMill

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R&D Engineer, Laboratory Automation & Robotics

Chicago, Illinois, United States

$130k-$163k/yr OnsiteFull Time

Chan Zuckerberg Biohub: Builds AI-powered technologies for biomedical research and disease study.

BS or MS in Mechanical/Electrical/Bioengineering/Robotics; hands-on lab automation/robotics; hardware integration; programming (Python); strong troubleshooting; systems-level mindset

Python, Robotics, Laboratory Automation Systems, Instrumentation, Control Systems, Scripting

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Solutions Engineer Architect, AI/API/Platform

Chicago, Illinois, United States

$193k-$241k/yr HybridFull Time

BoxNYSE: BOX: Provides cloud-based content management and secure file sharing services.

2+ YOE2+ years in a customer-facing Solutions Engineer role; strong Python, TypeScript, SQL; hands-on prototyping; SaaS/enterprise apps experience; Bachelor’s degree.

Python, TypeScript, SQL

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Forward Deployment Engineer (Sioux Falls, PA)

Sioux Falls or Denver or Chicago

OnsiteFull Time

Hippocratic AI: Develops safety-focused generative AI for autonomous clinical healthcare conversations.

5+ YOE5+ years in healthcare integration; strong HL7 v2, FHIR, X12; Python and integration engines; REST/JSON/SQL; good communication; reliable, scalable solutions.

Python, HL7 v2, FHIR, X12, REST APIs, SQL, Mirth, Rhapsody, InterSystems IRIS, Redox, Docker

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Trading Systems Engineer - Options Market Making ((253)

Chicago, Illinois, United States

OnsiteFull Time

Maven Securities: Proprietary trading firm specializing in quantitative and systematic strategies.

Experience with Python, Linux system administration, CI/CD, and tools like Ansible, Octopus, TeamCity, Volt; familiarity with Jira and performance tuning.

Python, Linux, Ansible, Octopus, TeamCity, Volt, Jira, CI/CD

2mo

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2mo

Cybersecurity Engineer III (Chicago, IL, US, 60607)

Chicago, Illinois, United States

$138k-$173k/yr OnsiteFull Time

McDonald'sNYSE: MCD: Operates a global chain of quick-service restaurants.

3+ YOE3+ years in information security, cybersecurity, privacy, risk management, or compliance; ServiceNow GRC; scripting (Python, PowerShell); API integrations; certifications a plus.

ServiceNow GRC, Python, PowerShell, APIs

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Datacenter Network Engineer (Remote opportunity)

Chicago, Illinois, United States

$91k-$118k/yr RemoteFull Time

HyattNYSE: H: Global hospitality providing luxury hotel and resort accommodations.

5+ YOE5–7+ years in data center network engineering; 3+ years with Arista fabric; experience with leaf-spine designs; hands-on with Cisco Firepower and/or Palo Alto firewalls; data center operations and change management; automation experience (Python/Ansible/Terraform).

Arista EOS, CloudVision (CVP), EVPN/VXLAN, BGP, Cisco Firepower (FTD/FMC), Palo Alto PCNSE, Python, Ansible, Terraform

2mo

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2mo

Principal Engineer - Materials Discovery Research Institute

Skokie, Illinois, United States

$131k-$180k/yr OnsiteFull Time

UL Research Institutes: Advancing safety science through independent research and discovery.

10+ YOEPhD/MS/BS in Chemical Engineering or related field with significant post-degree experience; proven materials development, scaling, and data analysis expertise; leadership of large research programs; strong communication and collaboration skills.

PI software, MS Excel, MS Office, PowerPoint, Teams, Git, Python

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Senior Business Intelligence Engineer (Hybrid)

Chicago, Illinois, United States

HybridFull Time

Enova InternationalNYSE: ENVA: Provides digital lending and credit solutions through machine learning.

5+ YOESQL + data warehousing expert; 5-7+ years in relational DBs and cloud warehouses; ETL/ELT, Airflow; BI tools; Python; AI tooling; strong business sense.

SQL, Python, Snowflake, Databricks, BigQuery, AWS Redshift, Astronomer Apache Airflow, MicroStrategy, Tableau, Looker, Power BI, Claude, AWS Bedrock, Gemini

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Senior Machine Learning Engineer I // II

Denver or Seattle or Chicago or United States

$140k-$190k/yr RemoteFull Time

Signifyd: AI-driven fraud protection and payment security for online retailers

4+ YOE4-6+ years of production ML experience; strong ML theory; Python, SQL, Spark; able to ship production ML; good communicator.

Python, SQL, Spark, ML libraries

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IT Associate Software Engineer 2026 Summer Internship (Full Time/Paid/12 weeks)

Oak Brook, Illinois, United States

$22/hr OnsiteFull Time

Ace Hardware: A retailer-owned cooperative providing hardware wholesale and home services.

Pursuing tech degree; senior year graduating 2026/27; able to work in Oak Brook, IL 5/18–8/7; 40h/week for 12 weeks; strong academics; IT end-user focus; AI/ML exposure a plus.

Visual Studio, GitHub, C#.NET, JavaScript, HTML5, CSS, AJAX, XML, React, SOLR, SQL, Python, Databricks, Azure, AWS

2mo

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2mo

Staff Product Test Engineer - Rolling Meadows, IL

Rolling Meadows, Illinois, United States

$110k-$130k/yr OnsiteFull Time

Epiq Solutions: Develops software-defined radio products and wireless sensing solutions.

8+ YOEEight+ years in NPI, automated test equipment software, Python preferred; lead NPI projects; strong OO programming and RF knowledge.

Python, Linux, GPIB, Serial, Ethernet, Qt