160 api java developer jobs at 87 companies in Downers Grove, IL

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Senior Java Developer - Senior Software Engineer
Chicago or Dallas or Columbus or Atlanta or Nashville or Irving
$73k-$174k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
10+ YOE10+ years of software development experience with Java 17+, Spring Boot, REST APIs, microservices, Docker, Kubernetes/OpenShift, CI/CD, Kafka, automated testing, and cloud integrations.
Java, Spring Boot, REST API, Docker, Kubernetes, OpenShift, CI/CD, Kafka, GitHub Actions, OAuth2, JWT, TLS, mTLS, Dynatrace, Splunk, OpenTelemetry
5d
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AWS Platform/API Engineer
North Chicago, Illinois, United States
$152k-$184k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
5+ YOEBachelor's degree in a related engineering or computer science field and 5 years of platform/API engineering experience, including AWS coding, Python or Java, infrastructure as code, containers, CI/CD, and automation.
AWS, Python, Java, JavaScript, Node.js, AWS CloudFormation, Terraform, Docker, Kubernetes, AWS CodePipeline, Azure DevOps, GitHub, Bash
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Java ReactJS Developer
Chicago, Illinois, United States
$82k-$127k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Global provider of digital services, consulting, and technology solutions.
Strong hands-on experience in Java/J2EE, Spring Boot, microservices, React, APIs, cloud, CI/CD and Oracle; bachelor\u0002s degree or equivalent experience; strong communication and analytical skills.
Java, J2EE, Spring Boot, REST, JSON, Microservices, React Js, Oracle SQL, PL/SQL, Kafka, JMS, JPA, JUnit, TestNG, PCF, SOAP, XML, CI/CD
5d
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Lead Software Engineer, API Integrations
Chicago, Illinois, United States
$150k-$170k/yr HybridFull Time
CIBC
CIBCToronto Stock Exchange: CM: Provides personal, commercial, and investment banking and wealth management.
7+ YOERequires 7–10+ years designing, developing, implementing, and supporting applications, with expertise across .NET, C#, APIs, databases, Azure cloud, integrations, security, and enterprise architecture.
Microsoft .NET Framework, Microsoft .NET Core, C#, ASP.NET Core, Web API, JSON, Entity Framework, React, HTML5, CSS, JavaScript, jQuery, AJAX, VB.NET, SQL, PL/SQL, TypeScript, Python, Java, Node.js, ASP.NET, Web Forms, MVC, LINQ, SQL MI, SQL Server, SSIS, Databricks, Azure Data Factory, JIRA, GitHub, Jenkins, Azure DevOps, ASP.NET Core Identity, Entra ID, OAuth, OpenID, Microsoft Azure, Azure App Services, Azure Functions, Azure Storage, Azure Key Vault, Azure Monitor, Application Insights, Azure AD, Fenergo CLM, Salesforce CRM
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Mojo Trek/ Lead Java Software Engineer, JR312
Chicago, Illinois, United States
HybridFull Time
ELEKS
ELEKS: Custom software engineering and technology consulting services provider.
8+ YOEBachelor's in CS/EE or related, 8+ years enterprise Java (Java 17+), Spring Boot, relational and NoSQL DB experience, REST API design, CI/CD (Jenkins), AWS services, messaging/event streaming, and leadership/mentoring experience.
Java 17+, Spring Boot, Spring, OpenAPI (Swagger), Postman, Assertible, AWS IAM, Amazon API Gateway, Amazon Aurora, Amazon RDS, Amazon DynamoDB, Amazon Kinesis, Amazon S3, Amazon CloudWatch, AWS Lambda, AWS ALB, AWS NLB, AWS Fargate, Amazon SQS, Amazon SNS, AWS KMS, Apache Kafka, RabbitMQ, Apache ActiveMQ, Jenkins
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Senior Software Engineer, Java
United States or California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or North Carolina or New Jersey or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa or Chicago
$150k-$220k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
10+ YOEBachelor's in CS or equivalent experience; 10+ years Java development, 4+ years building scalable systems; Kotlin, C++, Postgres, Redis, AWS experience; REST API development (Jersey/Spring); strong OOP and testing practices.
Java, Kotlin, C++, Postgres, AWS, Redis, Jersey, Spring
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Senior Software Engineer - Customer Integrations (API)
United States or New York City or Dallas or Austin or Houston or Chicago or Nashville or Miami or Atlanta
$140k-$160k/yr RemoteFull Time
TheGuarantors
TheGuarantors: Provides lease guarantees and security deposit alternatives for rentals.
3+ YOE3+ years building backend services with Go/Java/Python/C#; strong API design, SQL/PostgreSQL, cloud (AWS/Azure/GCP/OCI) and Terraform experience; professional software engineering experience and strong communication/system design skills.
Go, Java, Python, C#, SQL, PostgreSQL, AWS, Azure, GCP, OCI, Terraform
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Lead Software Engineer - Full Stack Java
Chicago, Illinois, United States
$133k-$185k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOERequires 5+ years of software engineering experience, Java and Spring Boot microservices, Kafka, React with TypeScript, MongoDB, REST APIs, testing frameworks, AI-assisted development, CI/CD, resiliency, and security expertise.
Java, Spring Boot, Apache Kafka, Avro Serialization, Schema Registry, React, TypeScript, Redux Toolkit, MongoDB, OpenAPI 3.0, SpringDoc, JUnit 5, Spring Boot Test, Playwright, Kubernetes, CI/CD
2mo
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IS Technical Specialist (Backend Java Dev)
Columbus or Austin or Chicago or Dallas or Houston or Akron or Detroit or Indianapolis or Minneapolis or Cincinnati or Cleveland
$70k-$140k/yr OnsiteFull Time
Huntington
HuntingtonNASDAQ: HBAN: Provides regional commercial, consumer, and mortgage banking services.
5+ YOE3+ MgmtBachelor's degree; 5+ years Java/WebSphere/REST API experience; Fuse, Spring Boot, GCP, Kafka, JSON; DevOps/CI/CD; container-based development; cloud deployment; strong SQL; microservices; leadership of development teams.
Java, WebSphere, REST APIs, Spring Boot, Fuse, GCP, Kafka, JSON, DevOps, CI/CD, containers, Jenkins, Kubernetes, Oracle, MySQL, Bigtable, MongoDB, Cloud SQL, GCP, JAX-RS, Swagger, Git, SVN, Maven, Terraform, BigQuery
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Full Stack Developer
Naperville or Denver
$95k-$115k/yr HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
2+ YOEBachelor's degree or equivalent experience, 2–5 years of professional experience, and development experience with Java, Node.js, SQL, Python, APIs, relational databases, and Unix shell scripting.
Java, Node.js, SQL, Python, HTTP, JSON, WebSockets, ClaudeCode, GitHub Copilot, Unix, Microsoft SQL Server, PostgreSQL, Azure SQL, Oracle, APIs
1mo
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Senior Web Developer
Chicago, Illinois, United States
$100-$115/hr HybridFull Time
CAI
CAI: Provides global IT services and contingent workforce management solutions.
7+ YOEBachelor's in CS or related,7+ years developing Java-based web and API solutions with Angular 13 and Spring stack; strong API, database, and client-facing skills.
Java, Angular 13, Spring Boot, Spring Data JPA, Spring Framework, Spring Security, Hibernate, Maven, Bootstrap, Oracle, JBoss, GitLab, SQL Developer, Toad, JIRA, JBoss Cruise Control, Eclipse, SOAP UI, Postman, REST
2mo
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Android Developer Experience Lead
Holtsville or Lincolnshire or Austin or Kennesaw
$139k-$208k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
10+ YOELead Android Developer Experience; 10+ years with Bachelor's or 7+ years with Advanced Degree; Android platform expertise; API/SDK design; Java and Kotlin proficiency.
Android Studio, Gradle, Java, Kotlin, APIs, SDKs
2mo
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Principal Software Engineer
Charlotte or Chicago or Columbus or Hartford
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides property and casualty insurance and financial products.
12+ YOERequires 12+ years in enterprise application development, a computer science or engineering bachelor's degree, and expertise in Java, Spring Boot, Angular/TypeScript, SQL, APIs, cloud platforms, and distributed systems.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, CI/CD, DevOps, DevSecOps, Identity and Access Management, AI frameworks
2mo
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Sr. Backend Dev – Java/Spring Boot, Angular, Cloud - TX
Texas or Chicago or New York City
$44k-$154k/yr HybridFull Time, Contract
Photon: A digital modernization services firm that builds and operates digital experiences for large enterprises.
5+ YOE5+ years software development experience; strong Java and Spring Boot skills, Angular, cloud (GCP/Azure), CI/CD, RESTful APIs/microservices, data structures and algorithms; 3+ years building APIs; ability to lead technical decisions and mentor engineers.
Java, Spring Boot, Angular, GCP, Azure, CI/CD, RESTful APIs, Microservices, Kafka, Pub/Sub
2mo
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Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
12+ YOE12+ years enterprise application development experience, bachelor’s degree in CS/Engineering required, hands-on with Java, Spring Boot, Angular/TypeScript, SQL, cloud (AWS), APIs/microservices, observability tools; strong communication and AI-first experience.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, event-driven architectures, Identity and Access Management, AI frameworks, CI/CD, DevSecOps
5d
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Senior Software Engineer
Chicago or Bengaluru or United States
$130k-$190k/yr HybridFull Time
project44
project44: Provides real-time visibility and AI-powered insights for global supply chains.
5+ YOERequires 5+ years building large-scale cloud systems, strong Java programming, scalable microservices, APIs, databases, Agile development, and AI-assisted development experience.
Java, REST, OpenAPI, Swagger, MongoDB, DynamoDB, Postgres, Cursor, Claude, GitHub Copilot, Kafka, Kinesis, Docker, Kubernetes, Google Cloud Platform (GCP), NoSQL, AI
1w
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Senior Software Engineer
Schaumburg, Illinois, United States
$92k-$164k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
6+ YOE6+ years developing enterprise applications with Java, Spring Boot, REST APIs, and microservices; cloud, messaging, observability, databases, Agile/Scrum, and AI-assisted development experience required.
Java, Spring Boot, Docker, Kubernetes, Kafka, JMS, GitHub Copilot, Microsoft Copilot, Splunk, Dynatrace, Grafana, Azure, AWS, GCP, NCPDP, HIPAA
2mo
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Senior MES Developer
Hanoi or Hung Yen or Lisle
OnsiteFull Time
Koch Inc.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
6+ YOE6+ years software development (4+ backend) with strong Java 17+/Spring Boot, REST API, high-concurrency transactional systems; experience with Progress/PostgreSQL, Kafka, Angular, observability, performance tuning, and CI/CD tools (Jira, GitLab).
Java 17+, Spring Boot, REST API, Progress, PostgreSQL, Kafka, Angular, TypeScript, Opcenter, Camstar, SAP, WMS, DataHub, Prometheus, Grafana, Playwright, Jira, GitLab
1mo
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Senior Developer - IT
Arlington Heights, Illinois, United States
$112k-$147k/yr OnsiteFull Time
United Airlines
United AirlinesNASDAQ: UAL: Operates a global network of passenger and cargo flights.
4+ YOEBachelor's in CS/CE/EE/MIS,4+ years software development experience, AWS and backend API experience (Java/Node/Python), CI/CD, Kubernetes, Git, cloud platforms, Agile, strong communication; must be authorized to work in the US.
AWS Lambda, AWS Step Functions, Amazon CloudWatch, Amazon CloudFront, Amazon Cognito, Amazon Route 53, Amazon DynamoDB, Amazon ECS, Amazon EC2, Amazon S3, Amazon RDS, Amazon RDS - Aurora Postgres, Active MQ, Secrets Manager, Parameter Store, Amazon EFS, Git, Python, Bash, PowerShell, Node.js, Java, Springboot, Angular 15, Github, Harness, Artifactory, Kubernetes, Microsoft .Net Framework, Microsoft .Net Core, SQL, NoSQL, JSON, XML, OAuth, Claude, Agentic AI, CoPilot, AWS, Azure, GCP, Jira, Confluence, Microsoft Azure DevOps
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Lead Software Engineer
Chicago or Irving
$128k-$209k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction and mining equipment, engines, and gas turbines.
7+ YOE3+ MgmtRequires 7+ years in search engineering, 3+ years in technical leadership, search technology expertise, Java/Python/Scala, cloud platforms, APIs, distributed systems, and software architecture experience.
NLP, OpenSearch, Elastic Search, SOLR, Lucene, Coveo, LucidWorks Fusion, Java, Python, Scala, Claude Code, ChatGPT, GitHub Copilot, DevOps, AWS, Azure, Google Cloud, GitHub, Agile, APIs, A/B testing