200 senior developer jobs at 89 companies in Decatur, IL
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SENIOR SOFTWARE DEVELOPER
Springfield, Illinois, United States
$8k-$12k/moOnsiteFull Time
State of Illinois: The executive, legislative, and judicial government of Illinois.
7+ YOEBachelor's-level education plus seven years IT experience, strong skills in ASP.NET,C#.NET,SQL Server,Power BI; provides level-3 support, develops and tests applications, mentors developers.
ASP.NET, C#.NET, SQL Server, Power BI, VB.NET, Crystal Reports, Microsoft Reporting Services
Datamaxis: Provides IT consulting, data analytics, and strategic staffing services.
5+ YOESenior Azure data engineer with hands-on Azure Data Factory, Databricks/Synapse, and Azure Lakehouse; experience in migration, mentoring, and standards; strong Python/SQL.
Azure Data Factory, Azure Synapse Analytics, Databricks, Delta Lake, Parquet, Azure Databricks, Microsoft Fabric, Azure Data Lake Storage Gen2, Azure Monitor, Log Analytics, KQL, Azure DevOps, Terraform, ARM/Bicep, SSIS, Python, Pandas, PySpark, PowerShell, Bash, Unity Catalog, Snowflake
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
9+ YOE9+ years software development experience, 5+ years data platform development, proficiency in C++, Java, Scala, CUDA; BS/MS/PhD in computer science or equivalent; experience with Apache Spark and supporting enterprise customers.
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yrHybridFull Time
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
COUNTRY Financial: Provides insurance and financial services for individuals and businesses.
7+ YOE7+ years integration experience with MuleSoft and Azure APIM, strong API design, DataWeave/JSON/XML/SQL skills, CI/CD and production support experience.
AMC Health: Provides remote patient monitoring and virtual care technology.
7+ YOE7+ years building and operating production backend systems, strong Python skills, production LLM/generative AI experience, distributed cloud systems experience, ML lifecycle proficiency, and disciplined data handling in regulated environments.
Python, AWS, LLMs, vector search, AI coding assistants
Hanson Professional Services: Provides engineering and consulting services for infrastructure development.
10+ YOEMaster's in geotechnical engineering and bachelor's in civil engineering required; PE license required; 10+ years geotechnical experience; proven project leadership, client development, and staff mentoring; valid driver's license.
GeoStudio, PLAXIS, LPILE, SLIDE, gINT, Microsoft Office
Sun Prairie or Lakeville or Mankato or Bloomington
$119k-$180k/yrHybridFull Time
Compeer Financial: Provides financial services and crop insurance to agricultural producers.
12+ YOEBachelor's degree or equivalent and 12+ years developing enterprise applications; advanced knowledge of Microsoft .Net, JavaScript, C#, and MS SQL; experience with application lifecycle, testing, code review, and mentoring.
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
5+ YOEMaster’s degree in materials/metallurgical/mechanical engineering, 5+ years in automotive product development, deep steel metallurgy, light-metal knowledge, hands-on microscopy and testing, familiarity with manufacturing and supplier processes, strong communication.
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
10+ YOEStrong experience with mainframe technologies (PL/I, IMSDB, DB2, JCL, SORT), 10+ years preferred, health insurance domain experience, development and production support, SAS/REXX, debugging with IDB/IDZ, Git, Agile, Control-M, REST APIs/MQ.
State Farm: Provider of auto, home, life, and health insurance.
Design and productionize LLM-powered applications, RAG/agent pipelines, cloud-native AI (AWS), API development (Python/TypeScript), prompt engineering, Git, and AI governance experience.
Carle Health: Integrated healthcare system providing hospital and clinical services.
Bachelor's in related field or equivalent experience, incident response and technical investigations using SIEM and EDR, threat detection and containment, collaboration with IT and compliance teams.
ADMNYSE: ADM: Processes agricultural commodities into human and animal nutrition ingredients.
5+ YOEBS in engineering, 5+ years process or project engineering in the food industry, experience with CAPEX planning and process improvement, strong communication and safety focus, able to work in plant conditions and travel to remote plants.
Schaumburg or Minneapolis or Washington or Springfield or United States
$92k-$164k/yrRemoteFull Time
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
5+ YOEHands-on experience with Azure Data Factory, Databricks/PySpark, Synapse/Fabric, T-SQL and Python; strong data warehouse, ETL, CI/CD, monitoring and migration skills; willing to travel ~10%.
Azure Data Factory, Azure Synapse Analytics, Databricks, Microsoft Fabric, Azure Data Lake Storage Gen2, Delta Lake, Parquet, PySpark, T-SQL, Spark SQL, KQL, PowerShell, Bash, Azure Key Vault, Azure AD, Entra ID, Azure Monitor, Log Analytics, Azure DevOps, ARM, Bicep, Terraform, Synapse Dedicated SQL Pool, Azure SQL, Teradata, Snowflake, Informatica PowerCenter, Unity Catalog, OneLake, pandas, pytest
Rivian and Volkswagen Group Technologies: A joint venture developing software, connectivity, and cloud solutions for electric vehicles.
7+ YOE7+ years full-stack development; frontend with React and TypeScript; backend experience in Golang/Node.js/Python; RESTful API design; SQL/NoSQL; cloud (AWS/Azure/GCP); stream processing and message queues (Kafka, NATS, RabbitMQ); Agile experience.
Horizon Hobby: Distributes and manufactures radio-controlled hobby products and accessories.
5+ YOEBachelor's degree, 5+ years integration experience with strong hands-on Oracle Integration Cloud expertise; experience with Oracle Cloud Applications, REST/SOAP, VBCS, Process Cloud, API management, Groovy/JavaScript, SQL, and security standards.
Illinois or Mississippi or Montana or North Carolina or Louisiana or Maine or Minnesota or Nebraska or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or Rhode Island or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Iowa or Indiana or Kentucky or Massachusetts
$107k-$284k/yrRemoteFull Time
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
7+ YOE7+ years enterprise software delivery; 5+ years Java; 5+ years cloud; 5+ years microservices and APIs; 3+ years CI/CD; 3+ years Agile; 2+ years AI experience.
United States or Minneapolis or Philadelphia or New Hartford or Austin or Champaign or Chicago
$140k-$160k/yrRemoteFull Time
PAR TechnologyNYSE: PAR: Provides unified software and hardware for restaurant operations.
8+ YOEExpertise in Node.js/Typescript and PostgreSQL, 8+ years backend experience with distributed systems, GraphQL, TypeORM, Nest.js; familiarity with Kubernetes, message brokers, AWS, Terraform.
Typescript, NodeJS, Ruby, Rails, PostgreSQL, GraphQL, TypeORM, Nest.js, RabbitMQ, RMQ, React, AWS, Terraform, Helm, Kubernetes, EKS, Microsoft Teams