143 api java developer jobs at 75 companies in Colorado
1mo
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API Developer
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
OnsiteFull Time
8+ YOE8+ years Java/J2EE experience building RESTful APIs using Spring Boot and microservices; experience with DevOps, Kafka, IBM MQ, SQL/NoSQL and cloud platforms required.
Java, J2EE, Spring Boot, Microservices, REST API, Angular, XML, JSON, Swagger, Jenkins, uDeploy, GIT, Kafka, IBM MQ, SQL, No Sql, AWS, Azure, GitHub, CI/CD, React, JavaScript, HTML, CSS, JSON Web Token (JWT), UML, XPath
2mo
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Lead Java Software Engineer
Connecticut or Ohio or Texas or Georgia or Massachusetts or Minnesota or Alabama or Missouri or Michigan or Virginia or Illinois or North Carolina or Kansas or Colorado or Florida or Indiana or Kentucky or Tennessee
$107k-$261k/yr RemoteFull Time
10+ YOE10+ years software development experience, 7+ years with Java/Spring and modern practices, experience with cloud (GCP preferred), Kubernetes, microservices, CI/CD, EMR/EHR integrations, strong communication and leadership skills.
Java, Spring, Sprint boot, Spring boot, Microservices Architecture, Junit, Mockito, REST API, Kubernetes, SOAP, IntelliJ, GitHub, Github Actions, Git, Jenkins, CircleCI, Harness, GCP, GCP-GKE, Azure, AWS, Apigee, Dataflow, Airflow, MongoDb, Postgres SQL, Prometheus, Grafana, OAuth2.0, JWT, SQL, NoSQL, Postman, SOAP UI, Epic, Athenahealth
1d
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Java Software Engineer - Developer (Experienced and Senior)
Herndon or Seal Beach or Mesa or El Segundo or Colorado Springs
$127k-$232k/yr OnsiteFull Time
3+ YOEBachelor's degree, active U.S. Top Secret clearance, 3+ years with Java and software development, cloud experience, Windows/Linux, Agile, and configuration management tools; U.S. Person required.
Java, ReactJS, Python, CI/CD, Windows, Linux, C++, Angular, HTML, CSS, AWS, IDE, Maven, Git, GitLab, Atlassian tools, Jira, Confluence, Bitbucket, JUnit, Mockito, Spring Boot, NoSQL, MongoDB, REST API, Kubernetes, Helm
1d
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Java Software Engineer - Developer (Experienced and Senior)
Herndon or Seal Beach or Mesa or El Segundo or Colorado Springs
$127k-$232k/yr OnsiteFull Time
3+ YOEBachelor's degree, active U.S. Top Secret clearance, U.S. Person status, 3+ years Java and software development experience, cloud experience, Windows/Linux proficiency, and Agile methodology experience.
Java, C++, ReactJS, Python, CI/CD, Windows, Linux, Angular, React.js, HTML, CSS, AWS, Windows-based IDEs, Linux-based IDEs, Maven, Git, GitLab, Agile, Jira, Confluence, BitBucket, JUnit, Mockito, Spring Boot, NoSQL Databases, MongoDB, REST API, Kubernetes, Helm, CodeVue
2mo
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Java Software Engineer Level 5
Aurora or Morrisville or Linthicum
$177k-$266k/yr OnsiteFull Time
12+ YOEActive Top-Secret/SCI clearance required; 12+ years software development experience (alternatively experience/degree combinations), 5+ years Java, RESTful APIs/microservices, Git workflows, Agile experience, strong OOP and SOLID skills.
Java, RESTful APIs, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker
2mo
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Senior Software Engineer – API & Cloud Integrations (Java, AWS)
Denver or Cedar Rapids or Philadelphia
$94k-$120k/yr HybridFull Time
3+ YOEBachelor’s or equivalent experience; 3+ years Core Java; experience with Spring, microservices, APIs, databases (RDBMS/NoSQL), cloud (AWS/Azure), CI/CD, and integration frameworks; strong analytical and communication skills.
Java, Core Java, Spring Framework, Spring Boot, Spring MVC, J2EE, Entity Framework, IIS, Swagger, Swagger API, OData, .NET API 2, .NET API Core, AutoMapper, MS Cosmos DB, Microsoft Cosmos DB, Apache Cassandra, Amazon DynamoDB, AWS, Azure, EC2, ECS, S3, Kinesis, Microsoft VMs, Microsoft Blob, Microsoft Data Factory, Microsoft SQL Data Warehouse, Microsoft ARM Templates, Microsoft Event Hubs, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Ajax, MS HPC, SageMaker, Spark, API Gateways, Apache Camel, Zookeeper, Kafka, Docker, OpenShift, Kubernetes, Angular, React, Vue.js, ASP.NET MVC, HTML, JS, CSS
1mo
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Senior Software Engineer, Java - Content Team
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
$160k-$200k/yr HybridFull Time
10+ YOE10+ years Java development, strong Kotlin expertise, 4+ years building scalable systems, OOP/design skills, API/REST and relational DB experience, Redis and caching knowledge, Python familiarity, and experience leveraging AI tooling.
Java, Kotlin, Python, C++, Golang, Postgres, AWS, Redis, Jersey, Spring
1d
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Java Software Engineer Level 1 or 2
Aurora or Morrisville or Linthicum Heights
$76k-$138k/yr OnsiteFull Time
0+ YOEBachelor's degree in science with 0+ years for Level 1 or 2+ years for Level 2, or equivalent experience. Requires active Top Secret clearance with SCI eligibility, Java, RESTful APIs, microservices, Git, Agile, and database integration.
Java, RESTful APIs, microservices, Git, GitHub, GitLab, Bitbucket, SQL, NoSQL, Linux
2w
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Senior Software Engineer- Java Developer
Aurora or Denver
$152k-$262k/yr OnsiteFull Time
8+ YOEBachelor's degree or equivalent practical experience, 8+ years of software engineering experience, substantial Java development, active Top Secret clearance, enterprise application, API, database, testing, and Agile experience.
Java, Java SE, Java EE, Spring Boot, Hibernate, RESTful APIs, JUnit, TestNG, Git, Docker, AWS, Azure, Google Cloud, SAFe
14h
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Software Engineer (Backend-Java)
Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Delaware or Florida or Georgia or Illinois or Louisiana or Maine or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or North Carolina or New Jersey or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Texas or Tennessee or Utah or Virginia or Washington or Wisconsin
$128k-$136k/yr RemoteFull Time
5+ YOERequires 5+ years in agile teams, Java, Spring Boot, cloud-native microservices, RESTful APIs, relational databases, DevOps, AWS, and strong communication and problem-solving skills.
Java, Spring Boot, RESTful APIs, Postgres, JDBC, Hibernate, Jenkins CI/CD, AWS, LinkedIn Learning
3d
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Software Engineer L2-Messaging API
United States or San Francisco or Oakland or San Jose or Colorado or Hawaii or Illinois or Maryland or Massachusetts or Minnesota or Vermont or Washington, D.C. or New York or New Jersey or Washington or California
$117k-$172k/yr RemoteFull Time
Bachelor's or master's degree in computer science or equivalent experience; Go or Java experience; strong communication skills; ability to join an on-call rotation. NoSQL, AWS, Docker, Kubernetes, and Temporal preferred.
Go, Java, NoSQL, DynamoDB, AWS, Docker, Kubernetes, Temporal
2mo
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Senior Software Engineer - Java/Kotlin
Boulder, Colorado, United States
$131k-$167k/yr OnsiteFull Time
5+ YOEBachelor's in CS/CE/SE or equivalent and 5+ years experience; mastered Java/Kotlin with Spring; experience designing software systems, microservices, REST APIs, databases, Docker/Kubernetes; strong communication and leadership skills.
Java, Kotlin, Spring Framework, Spring Boot, Spring Cloud, Spring Security, WebFlux, Microservices, RESTful API, Relational Databases, NoSQL, Docker, Kubernetes, Lit, Angular, Svelte, React, Vue, Agile
2mo
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Software Engineer Lead - Python/Java/Angular
Pittsburgh or Strongsville or Denver or Birmingham or Dallas or Cleveland
$40k-$158k/yr OnsiteFull Time
3+ YOELead software engineer with experience leading teams, Java/Spring and Angular expertise, API and Oracle experience, Agile/Scrum background, containerization (OpenShift/Kubernetes), Python preferred, bachelor's degree and 3+ years relevant experience.
Java, Spring Framework, Angular, OpenShift, Kubernetes, Python, Oracle, Agile, Scrum
2w
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Full Stack Developer
Naperville or Denver
$95k-$115k/yr HybridFull Time
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
2mo
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Staff SW Engineer
Denver, Colorado, United States
$124k-$199k/yr HybridFull Time
5+ YOE5+ years relevant experience (or equivalent advanced degree/experience), strong backend development (e.g., Java), API and database expertise, systems integration and data structure knowledge, familiarity with Kubernetes/Docker, strong collaboration and communication.
Java, APIs, Kubernetes, Docker
6d
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Software Engineer - PTC Windchill Developer
Littleton, Colorado, United States
$91k-$169k/yr OnsiteFull Time
2+ YOERequires 2 years of Java and object-oriented development, HTML, CSS, JSP, JavaScript, REST APIs, SQL, relational databases, software lifecycle experience, communication skills, and US citizenship.
Java, HTML, CSS, Java Server Pages (JSP), JavaScript, REST APIs, SQL, PTC Windchill, ProjectLink, PDMLink, Creo, AutoCAD, SolidWorks, Catia, Jasper, Git, GitLab, SonarQube, Jenkins, Ant, SAP IDOCS, XML, SOAP, SOA Suite, OpenShift, Camel, eQube, Agile
1mo
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Senior Application Developer
Denver or Springfield or Sterling or St. Louis
$75k-$158k/yr OnsiteFull Time
8+ YOEBachelor's in CS or related,8+ years software development experience,expert Java and/or Python,REST APIs,databases,CI/CD,GIT,TS/SCI clearance and polygraph willingness.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Kubernetes, AWS/C2S, Git, CI/CD
2mo
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Application Developer - Senior
Colorado Springs or Reston
$60k-$180k/yr HybridFull Time
7+ YOE7+ years software development, 5+ years ServiceNow, Java knowledge, 4+ years development lead experience, integration/API development, IT-II/Tier 3/NACLC/ANACI eligibility or current Tier 3 investigation; relevant ServiceNow and agile certifications preferred.
ServiceNow, Java
1mo
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Software Engineer
Utah or Wisconsin or Alaska or West Virginia or District of Columbia or Washington or Virginia or Vermont or Texas or Tennessee or South Dakota or South Carolina or Rhode Island or Puerto Rico or Pennsylvania or Oregon or Oklahoma or Ohio or North Dakota or North Carolina or New York or New Mexico or New Jersey or New Hampshire or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kansas or Iowa or Indiana or Illinois or Idaho or Georgia or Florida or Delaware or Connecticut or Colorado or California or Arkansas or Arizona or Alabama or Virgin Islands, U.S. or Missouri or Wyoming
$80k-$90k/yr RemoteFull Time
3+ YOEBachelor\u0002s or equivalent experience, 3+ years software development, strong Java (11/17+), Spring/Spring Boot, REST API, databases, search tech, React/Next.js, and familiarity with AI-assisted development.
Java, JVM, Spring, Spring Boot, RESTful API, PostgreSQL, MySQL, MongoDB, Elasticsearch, React, Next.js, Material UI, GitHub Copilot, Claude, Cursor, ChatGPT
2mo
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Software Engineer
Aurora, Colorado, United States
$69k-$158k/yr OnsiteFull Time
3+ YOE3+ years designing and developing software; proficiency with Python or Java; experience building RESTful APIs, cloud environments (AWS/Azure/GCP), and full-stack development; TS/SCI clearance with polygraph; Bachelor's in STEM required.
Python, Java, Vue, Node, AWS, Azure, GCP, RESTful APIs, Linux, Docker, Kubernetes, C#, C, C++, JavaScript, React
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