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Java Python Developer Jobs in Illinois, United States
930+ java python developer jobs from 460+ companies hiring in Illinois, United States.
3mo
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Solution Engineer - Public Sector (Active TS/SCI w/ FS Poly) - Washington DC
United States
$160k-$275k/yr RemoteFull Time
5+ YOE5+ years in client success/solution engineering; BS in Business, IS, CS, or Engineering; TS/SCI w/ FS Poly; willing to travel (~30%); remote US-based.
Cypher, Java, Spring Java, JavaScript, Python, .NET, Go, JDBC, Docker, Kubernetes, Linux, Windows, Neo4j Graph Platform, LLMs
1mo
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Microsoft Analytics Data Engineer Senior Consultant
Chicago or Atlanta or Denver or Miami or Tampa
$103k-$155k/yr HybridAll Commitments Available
2+ YOESenior Data Engineer with Microsoft technologies, BI, data engineering, and analytics skills; 2+ years in professional services; bachelor’s degree in MIS/CIS/Analytics; strong communication and leadership abilities.
Microsoft Fabric, Azure Storage, Azure Databricks, Power BI, Git, Microsoft Purview, Python, Spark, C#, Java, Scala, R, DAX, MDX, M
6d
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GA - Research - School of IT – Fall 2026
Normal, Illinois, United States
OnsitePart Time
Graduate student in MS Information Systems or CS; eligible for GA appointment; coding in Java and Python; basic AI/ML, TCP/IP; on-campus position
Java, Python, TCP/IP, Artificial Intelligence, Machine Learning
1mo
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Lead Associate Principal, Quantitative Risk Management
Chicago, Illinois, United States
$129k-$230k/yr OnsiteFull Time
7+ YOEFinancial math, econometrics, programming (Python/Java/C++/R), data analysis, model development, QA, and documentation for risk models.
SQL, Python, R, MATLAB, Java, Git, Confluence, LaTeX, Excel
2mo
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Site Reliability Engineer, Core Streaming (Remote - Canada)
North America
$135k-$185k/yr RemoteFull Time
Design, deploy, and maintain large-scale Kafka streaming infrastructure; improve reliability and automation; participate in on-call rotations.
Kafka, Kafka Client APIs, Apache Flink, Java, Python
1mo
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Principal AI-Enabled Software Engineer (Top Secret)
United States
RemoteFull Time
8+ YOESenior software engineer with 8+ years in software/cloud engineering, AI/ML, API-first design, and CI/CD; strong AWS experience; capable of hands-on coding and architecture.
AWS, Python, Java, JavaScript/TypeScript, CI/CD, Containers and Microservices, REST APIs
2mo
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Integration & Test Engineer Level 2/3
Rolling Meadows, Illinois, United States
$85k-$128k/yr OnsiteFull Time
BS in Electrical or Mechanical Engineering with 2+ years (Level 2) or 5+ years (Level 3); experience with hardware/software/firmware; ability to obtain/maintain Secret clearance.
MATLAB, C, C++, Java, Python, DOORS, VCRMs
2w
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Intern, Hockey Research
Chicago, Illinois, United States
OnsiteFull Time, Seasonal
0+ YOEPursuing a quantitative degree; proficient in Python/Java/C++; knowledge of CS fundamentals; experience with Git; interest in multiagent systems, RL, ML; on-site availability Sept 7–Dec 18, 2026.
Python, Java, C++, Git, SQL, TensorFlow, PyTorch
1mo
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Quantitative Researcher – HFT Futures/Equities
Austin or Chicago or New York
OnsiteFull Time
2+ YOE2+ years of quantitative research on futures/equities; proven profitable trading strategies; computationally intensive research; BS/MS/PhD in a quantitative/technical field; programming in C++, C, Python, Java.
C++, C, Python, Java
1mo
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SW Dev Eng
United States
RemoteFull Time
Python (preferred) with Bash/Go/Java; cloud services (Azure/AWS/GCP); Docker/Kubernetes; CI/CD; ML frameworks; Linux; ML lifecycle knowledge.
Python, Docker, Kubernetes, Helm, GitHub Actions, Azure DevOps, GitLab CI, Jenkins, PyTorch, TensorFlow, Scikit-learn, MLflow, Kubeflow, Vertex AI, Databricks, Azure ML, SageMaker, Prometheus, Grafana, ELK, TorchServe
1mo
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Technical Support Specialist (Tier 2)
United States
RemoteFull Time
3+ YOEBachelor's degree preferred; 3-5 years in technical support or software development; strong problem-solving; proficient in Java/JavaScript/Python; excellent communication; customer-focused; Zendesk experience.
Java, JavaScript, Python, Web technologies, Databases, Zendesk
3mo
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Principal Software Engineering Architect, Information Security
Reston or Chicago or Greenwood Village or Boca Raton or New York or White Plains
$169k-$281k/yr HybridFull Time
10+ YOE10+ years in software development, architecture, and DevOps; cloud-native and hybrid security solutions; IaC tools; strong Python/Go/Java/C#/C++; security SDLC; analytics and telemetry.
AWS, Azure, GCP, Terraform, CloudFormation, Harness, Python, Go, Java, C++, C#, Power BI, ElasticSearch, Snowflake, Kafka, AirFlow
1mo
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Ontologist-WO-007
United States
RemotePart Time
11+ YOEMaster’s degree or higher in CS/IS/AI/Geospatial/Sci or 11+ years in ontology development; proficiency in SPARQL, OWL, BFO/CCO; Java and Python; ESRI ArcGIS; DevSecOps; RDF/SHACL.
SPARQL, OWL, RDF, SHACL, Java, Python, Bash, ArcGIS, Databricks Unity Catalog, GIS metadata systems, CI/CD, Git
2w
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Director of Software Development
United States
RemoteFull Time
10+ YOE3+ Mgmt10+ years software development, 3+ years leadership; strong full-stack, Agile, CI/CD; leadership and communication.
Angular, React, Vue, Node.js, Python, FastAPI, .NET, Java, SQL, NoSQL, Git, CI/CD, AWS
3w
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Lead, SQ Quality Eng
Chicago, Illinois, United States
$83k-$141k/yr OnsiteFull Time
10+ YOE10-15 years in quality engineering; expert in Java, Selenium; SDLC/Agile; test automation, CI/CD; REST APIs, cloud; leadership mentoring.
Java, Selenium, Lean FT, TestNG, Eclipse, IntelliJ, JavaScript, Python, C#, SQL, NoSQL, Unix, Linux, Windows, Mainframe, Bamboo, Jenkins, Maven, Gradle, Git, Bitbucket, Cucumber, JBehate, RESTful APIs, Cloud Platforms, DevOps
3w
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SDET II
United States
$81k-$110k/yr RemoteFull Time
3+ YOE3+ years experience; QA methodologies; automated testing tools; CI/CD; programming in Java/C#/Python; healthcare experience a plus.
Selenium, Appium, JUnit, Cucumber, BDD, CI/CD
1mo
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Software Development Manager
Austin or Chicago or New York or Old Greenwich
$150k-$250k/yr OnsiteFull Time
10+ YOE10+ MgmtSenior software engineering manager in financial domain; 10+ years leadership; strong C++, Java, or Python; ability to translate complex concepts into actionable tasks.
C++, Java, Python
3w
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Bay Cities Container - Data Systems Architect & Analyst
United States
RemoteFull Time
Bachelor's or Master's in CS/IT; experience in data analysis, SQL development, IT/OT architecture; SQL/Python/Java; SCADA/MES/ERP familiarity; AI/ML, data visualization; governance & cybersecurity; strong communication and project management.
SQL, Python, Java, Rust, R, Tableau, Power BI, Ignition
1w
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Salesforce Agentforce Architect (Technical Architect)
United States
$87k-$266k/yr RemoteFull Time
6+ YOE6+ years software development; 4+ years Salesforce development; CS degree; Apex/JavaScript; Flows/LWC/Visualforce; HTML/CSS; strong communication; source control; CI/CD/DevOps.
Apex, JavaScript, Python, Java, C#, Salesforce Flows, Lightning Web Components, Visualforce, HTML, CSS, source control, CI/CD
1mo
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Engineering Manager, Billing
United States
$125k-$178k/yr RemoteFull Time
12+ YOE5+ Mgmt12+ years software development; 5+ years leading cross-functional architecture; expert Java; polyglot Python/Node.js/VB6; SOX/PCI-DSS; distributed systems; data-driven problem solving; coaching; change management.
Java, Python, Node.js, VB6, SQL
1w
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Sr. Vulnerability Researcher - Global
Melbourne or North Sydney or Sydney or Tel Aviv or Canada or United States
RemoteFull Time
Senior vulnerability researcher with OS internals, reverse engineering, TCP/IP, scripting, and exploit development; proficient with IDA Pro, Ghidra, Binary Ninja, WinDbg, gdb, LLDB, Wireshark; knowledge of C/C++, assembly, Java, Python, or .NET.
IDA Pro, Ghidra, Binary Ninja, WinDbg, gdb, LLDB, Wireshark
1w
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Embedded Software Engineering Senior Specialist - Cybersecurity
Mossville, Illinois, United States
$148k-$222k/yr OnsiteFull Time
Lead a cybersecurity-focused embedded software team; design, develop, test, and document cybersecurity features for Caterpillar embedded products.
Linux, Python, C/C++, Java, GIT, RTOS, CAN, J1939, Ethernet, Agile
2w
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Senior Migration Lead - Application
United States
RemoteFull Time
8+ YOEExperience leading application migration and modernization to AWS; strong full-stack development; CI/CD; AWS knowledge; 8+ years.
AWS, Java, C#, Node.js, Python, TypeScript, React, Angular, REST, Git, CI/CD
1mo
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Senior Lead Trading Strategist
United States
$184k-$230k/yr RemoteFull Time
7+ YOE7+ years in ML, quantitative modeling, or algorithmic strategy; strong Python (NumPy, Pandas, PyTorch) and performance languages; expertise in market making, microstructure, liquidity modeling, and risk optimization; experience with automated trading; strong leadership and communication.
Python, NumPy, Pandas, PyTorch, C++, C#, Java, Rust
2w
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Engineering Intern- AI Agents, Data & RiskOS
Carson City or United States
$30-$50/hr RemoteInternship
Master's student in computer science/engineering; active enrollment; internship aligned with studies; software development experience; knowledge of AI/ML, data engineering, or distributed systems preferred.
Go, Python, Java, React, Angular, Vue, Docker, Kubernetes, Git, CI/CD, APIs, Databases, Message Queues
2mo
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Systems Programmer
United States
$127k-$199k/yr RemoteFull Time
Full-time systems programmer for aviation-focused software development, data analysis, and visualization; requires US citizenship/green card, FAA/public trust eligibility, and experience in regulated aviation environments.
Python, R, Java, C++, Data Visualization, Dashboarding
1mo
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Director, Trust & Safety
United States or San Francisco or Seattle
RemoteFull Time
10+ YOE8+ Mgmt10+ years in trust and safety, product management, software development, or security, with 8+ years in leadership; Bachelor's in CS, data science, AI, ML, cybersecurity, risk management, or related technical field; strong security by design and threat intelligence experience.
Git, C#/.NET Core, Java, Python, SQL, APIs, SPAs, Azure, AWS, GCP, Docker, Kubernetes, NoSQL (Cassandra, CosmosDB), TDD, JIRA/JSM
2mo
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Senior Applied AI/ML Scientist
Canada or United States
$141k-$196k/yr RemoteFull Time
5+ YOE5+ years AI/ML experience; Python and ML frameworks; transformer models and embeddings; strong SQL and REST APIs; lead customer-centric AI initiatives.
Python, PyTorch, TensorFlow, XGBoost, LightGBM, NumPy, pandas, SQL, REST APIs, OpenSearch, ElasticSearch, Java, AWS, Azure, GCP, OpenAI, Anthropic, ML-Ops, Embeddings, Transformers, NLP, OpenSearch/Elasticsearch
2mo
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Senior Technical Program Manager, App Modernization
New York or Ontario or Alberta or Toronto or Canada or United States
$123k-$171k/yr RemoteFull Time
5+ YOE5+ years software development or TPM experience; Java web services; relational data modeling; SQL; JIRA; familiarity with AI/ML; remote work across NA.
Java, SQL, JIRA, Google Apps Script, Python, Slack, AI/ML
1mo
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Principal Applied ML Researcher (Agentic Systems & Applied AI Platform)
Seattle or McLean or United States
$230k-$300k/yr RemoteFull Time
12+ YOE12–15+ years in ML; Python plus systems languages; deep ML/LLM, prompt engineering, multi-agent orchestration; experience shipping enterprise AI; production ML lifecycle; regulated deployments; strong technical leadership.
Python, Java, C++, APIs, Cloud platforms, Docker, Kubernetes, LLMs, Agent orchestration, Memory management
6d
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Hydrodynamic Modeler (Scientist IV)
United States
RemoteFull Time
4+ YOEPhD or Master's in coastal ocean science, numerical modeling, marine science, or related field; 4+ years in technical science; strong Linux/HPC experience; programming in Python/Fortran/MATLAB; AWS knowledge; experience with ocean models; good communication.
Linux, AWS, Python, Fortran, MATLAB, Java, Perl, GitHub, Tomcat, Apache
1mo
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Mgr Software & Product Engineering
United States
RemoteFull Time
6+ YOE1+ Mgmt6+ years of related experience; leadership and management experience; strong integration tool experience; Agile/SCRUM background; proficiency with Git/GitHub, JIRA, Confluence, CircleCI; experience with API and SOA; travel under 5%.
JavaScript, React, Python, XML, Java, MySQL, JSON, Postman, Git, GitHub, CircleCI, Tray.io, Tibco, MuleSoft
4d
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AI SDET
United States
RemoteFull Time
Automation-focused SDET with backend/API testing, strong SQL, and experience integrating tests into CI/CD; knowledge of AI/ML systems a plus.
Playwright, Postman, SQL, TypeScript, Java, C#, Python
4w
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Engineering Manager
Chicago, Illinois, United States
$155k-$195k/yr HybridFull Time
8+ YOE5+ MgmtBS/MS in CS or related field; 8+ years backend experience; 5+ years in leadership; strong Agile, cloud, microservices, and full-stack knowledge.
AWS, GCP, Azure, Docker, Kubernetes, Git, CI/CD, JavaScript, React, HTML, CSS, Python, Ruby, Java, .NET, SQL, NoSQL
3mo
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Employee Referral SRIB
United States
RemoteFull Time
Referral-based role seeking candidates with software and AI/ML skills across multiple domains.
C++, Java, Python, Golang, JavaScript, OpenCL, Android, Vulkan
1mo
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Principal API Architect
United States
RemoteAll Commitments Available
10+ YOELead API architecture for 4G/5G exposure; design and govern NEF/SCEF/CAMARA APIs; drive API standards and security.
Java, Kotlin, Go, Python, TypeScript, Node.js, C++, OpenAPI, REST, GraphQL, gRPC, OAuth2, mTLS, JWT, Cloud, Kubernetes, Containers, Service Mesh
3w
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Senior Engineering Manager, Integrations & APIs
United States
$210k-$260k/yr RemoteFull Time
Lead 6+ engineers; oversee API/integrations platform; SaaS/cybersecurity leadership; strong backend/platform focus; remote work experience.
Python, Go, Java, C++, PostgreSQL, Neo4j, AWS, Azure, GCP, Terraform, Docker, Kubernetes, CI/CD, Prometheus, Grafana, OpenTelemetry
1d
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Solutions Architect
Chicago, Illinois, United States
$135k-$237k/yr HybridFull Time
Vizient: Provides performance improvement and supply chain services to hospitals
7+ YOE7+ years in solution architecture; cloud (Azure/AWS/GCP); IaC (Pulumi, Terraform, ARM); DevOps tools; secure, scalable architectures; mentor teams.
Azure, AWS, GCP, Pulumi, Terraform, ARM Templates, Azure DevOps, GitHub Actions, Jenkins, Octopus Deploy, Bitbucket, Jira, .NET, Java, Python, Angular, React, Azure Data Factory, Spark, SQL, NoSQL
6d
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Senior Technical InfoLease Consultant
United States
RemoteFull Time
Liventus: Builds custom software and business technology automation solutions.
5+ YOESenior technical consultant with Solifi/InfoLease expertise, AI-enhanced delivery, remote/flexible engagements.
UniData, InfoLease, AI-assisted development tools (e.g., Claude Code, GitHub Copilot), SQL, Java, .NET, Python
1w
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DevOps Release Manager
United States
$150k-$175k/yr RemoteFull Time
5+ YOE5+ years in backend systems; experience with public clouds and container orchestration; packaging and release engineering; autonomy in small teams.
Bazel, Go, Java, Python, Kubernetes, AWS, GCP, Azure
HiringCafe market data
Java Python Developer Jobs market signals in Illinois, United States
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
930+
Hiring companies
460+
Fresh sample
42% new in 30d
Salary visibility
63% show pay
Companies appearing in this market
OptiverTransUnionCaterpillarHorizon3.aiMongoDBOptions Clearing CorporationArize AIAvant
Work location mix in visible results
Remote: 30Onsite: 12Hybrid: 6
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