15 python and java developer jobs at 11 companies in Illinois
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Java Fullstack with React (7 Years and Above)
Chicago, Illinois, United States
$85k-$100k/yr OnsiteFull Time
7+ YOE7+ years experience building enterprise applications with Java, Spring Boot, ReactJS and TypeScript; AWS cloud, Terraform/AWS CDK, Python, Snowflake/Delta Lake experience; Agile/SAFe experience.
Java, Spring Boot, ReactJS, TypeScript, AWS S3, AWS IAM, AWS RDS, AWS Glue, AWS Lambda, AWS CloudWatch, OpenSearch, Terraform, AWS CDK, Python, Snowflake, Delta Lake
2mo
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Senior Software Engineer, Java - Systems and Scalability Engineering
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa or Chicago
$160k-$220k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent, 10+ years Java development, 4+ years building highly scalable systems, OOP, REST API design, relational DB design, caching/Redis, familiarity with Kotlin, C++, Golang, Postgres, and AWS; strong quality testing practices.
Java, Kotlin, C++, Golang, Postgres, AWS, Jersey, Spring, Redis, Python
1mo
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Principal Solutions Developer , Prototyping and Customer Engineering (PACE)
Boston or Austin or Arlington or Seattle or New York or Herndon or Chicago or San Francisco or Dallas
$183k-$284k/yr OnsiteFull Time
15+ YOE15+ years technical experience, bachelor's in CS/engineering/math (or equivalent), expertise in cloud architecture and CXO engagement, experience developing end-to-end solutions, programming with Python/JavaScript/Go/.Net/Java, EMR of distributed systems.
Python, JavaScript, Go, .Net, Java, AWS
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Principal Software Engineer – Data and Billing QA
Overland Park or New York or Chicago
$111k-$143k/yr OnsiteFull Time
Principal-level engineering expertise with AI/agentic tooling, strong Python/Java/C++ skills, Linux, Kafka/Avro/Kudu/Snowflake, CI/CD (Jenkins), SQL and Git; bachelor's degree or equivalent experience.
Claude Code, OpenAI Codex, LangChain, AutoGen, Python, Java, C++, Linux, Kafka, Avro, Kudu, Snowflake, PostgreSQL, MySQL, Oracle, SQL, Jira, Confluence, Git, Jenkins
1mo
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Staff Software Engineer - Cloud Infrastructure and Devops
San Jose or Chicago or Scottsdale or Austin
$177k-$262k/yr HybridFull Time
7+ YOE7+ years software experience, 5+ years operating distributed/cloud systems, 2+ years technical leadership, Bachelor’s/Master’s in CS or related, hands-on with AWS, containers, Python/Java/Go/Bash, Kubernetes, Terraform/CDK.
AWS, EKS, Docker, GitHub Enterprise, CDK, Terraform, GitHub Actions, Datadog, Bash, Python, Go, Java, Kubernetes
1mo
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EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot
2mo
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Senior Software Engineer, Unified Platform - Trade Management, Trade and Order Processing, Platform Services
Chicago, Illinois, United States
$200k-$275k/yr HybridFull Time
Extensive server-side development with microservices, JVM, and modern languages. Familiarity with Kubernetes, Docker, Airflow, SQL, and domain modeling.
Java, Python, Clojure, Airflow, Kubernetes, Docker, Linux, Kafka, RabbitMQ, Git, SQL, HTML, CSS, JavaScript
1mo
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Principal/Sr. Principal Modeling & Simulation Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEUS citizen with active Secret clearance; BS/MS/PhD in STEM with 5+/3+/1+ years respectively; experience developing algorithms, performance models, and technical presentations; proficiency in MATLAB, Python, and C/C++.
MATLAB, Python, C/C++, Java, AFSIM
1mo
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Principal/Sr. Principal Modeling & Simulation Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEUS citizen able to obtain/maintain Secret clearance; BS/MS/PhD in STEM with 5+ / 3+ / 1+ years (Principal) or 8+ / 6+ / 4+ years (Sr Principal); experience developing algorithms and performance models; proficiency in MATLAB, Python, and C/C++.
MATLAB, Python, C/C++, Java, AFSIM
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Principal Engineer (Data) - Channels Data Platforms and Analytics
Charlotte or United States or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Minnesota or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia
HybridFull Time
12+ YOE12+ years data/software engineering, 8+ years designing enterprise data platforms, cloud modernization (Azure/Databricks/Snowflake/Kafka), SQL and Python proficiency, legacy modernization and architecture leadership in regulated environments.
Azure, ADLS Gen2, Event Hubs, Key Vault, Databricks, Delta, Snowflake, Informatica, Kafka, Mainframe, Oracle, Postgres, Python, SQL, Java, Scala, Git, Azure DevOps, Jenkins, Docker, Kubernetes, OpenShift, Collibra, AppDynamics, Splunk, Grafana, Starburst, Terraform, Bicep, dbt, LookML, Great Expectations, Deequ, Purview
1mo
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Principal/Sr. Principal Modeling & Simulation Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEUS citizen with active government clearance (Secret; SAP access) required. STEM degree (BS/MS/PhD) with relevant experience (min 5 years for Principal, 8+ for Sr Principal). Proficiency in MATLAB, Python, C/C++; strong technical writing and presentation skills.
MATLAB, Python, C/C++, Java, AFSIM
1mo
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Data Engineer 3 (Mid-Level, Data Product Implementation and Architecture)
Scott Air Force Base, Illinois, United States
OnsiteFull Time
5+ YOEActive Secret clearance required, 5+ years in data engineering or systems integration, experience building secure APIs, data pipelines, orchestration, and enterprise security controls; proficiency with three or more listed technologies.
RESTful APIs, Python, Java, SQL, Spark, Databricks, Palantir Foundry, API gateways, Microservices, AWS, Azure, Google Cloud Platform (GCP)
1mo
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Global Technology Summer Analyst 2027 - Software Engineer and Mainframe Analyst
Charlotte or Chicago or Dallas or New York or Pennington or Phoenix or Richmond
OnsiteInternship
Undergraduate or master’s student graduating Nov 2027–Aug 2028 in CS/CE/IS or similar; 3.5 GPA preferred; programming knowledge; Excel and JIRA proficiency; strong communication and problem-solving skills.
Java, C#/.NET, C++, Python, Microsoft Excel, JIRA, Angular, Oracle, SQL, JavaScript, jQuery, React, CSS, COBOL, CICS, DB2, IMS, WMQ, z/OS, JCL, CI/CD
1mo
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EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineering - Director (New York, NY, US, 10001-8604)
New York City or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$205k-$235k/yr HybridFull Time
5+ YOEBachelor's in CS/Engineering and 5+ years (or graduate degree and ~3+ years), senior software/platform engineering experience, production AI tooling experience, cloud (AWS/GCP), Python/Java/Scala/TypeScript, containerization, infra-as-code, and client-facing leadership.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot, LLMs, vector databases, model orchestration frameworks
2mo
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Senior Delivery Consultant - Cloud Application Architecture, AWS Professional Services, WWPS US Education and State & Local Government
Herndon or Austin or Bellevue or Atlanta or New York or Denver or Chicago or Mountain View or San Francisco or Dallas
$154k-$239k/yr OnsiteFull Time
7+ YOE7+ years technical design/architecture; 5+ years database; 7+ years serverless; 5+ years software development; 3+ years cloud-based solutions; Bachelor's degree; 5+ years microservices experience; 3+ years consulting.
AWS, SQL, NoSQL, Hadoop, Spark, Kafka, Kinesis, Java, Python, Node.js, .NET, CloudFormation, S3, EC2, IAM, VPC
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