1mo
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Site Reliability - Java Springboot Applications
Herndon or Aurora
$112k-$179k/yr OnsiteFull Time
3+ YOEBachelor's +5 yrs or Master's +3 yrs (or +4 yrs experience in lieu), TS/SCI with poly required, SRE/DevOps experience, Java Spring Boot support, CI/CD in classified environments, GitLab/Bitbucket, DOD 8570 IAT II certs, and rotational on-call support.
Java, Spring Boot, Kubernetes, Kafka, NiFi, MongoDB, Elasticsearch, ArgoCD, GitLab, Bitbucket, Git, CI/CD
2mo
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Software Engineer
Sterling or Sarasota or Denver
$82k-$172k/yr OnsiteFull Time
5+ YOEJava, SpringBoot, REST; Agile experience; TS/SCI with Poly; 5 years experience; Bachelor's in engineering or related field.
Java, SpringBoot, REST, Git, Gradle, Kafka, MongoDB, ActiveMQ, NiFi, AWS, OpenAPI (Swagger), Mockito, Lombok
2mo
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Software Developer (TS/SCI CI Poly) (5303) (Chantilly, VA; Herndon, VA; Aurora, CO)
Chantilly or Herndon or Aurora
$111k-$185k/yr OnsiteFull Time
Security+ certification; TS/SCI CI Poly clearance; on-site in Chantilly, Herndon, or Aurora; Java, SpringBoot; Docker, Kubernetes; Git; AWS is a plus.
Java, SpringBoot, Docker, Kubernetes, Gitlab, Gitlab Runner, OpenAPI, Swagger, Gradle, Kafka, MongoDB, ActiveMQ, NiFi, AWS
2mo
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Software Engineer
Sterling or Sarasota or Denver
$99k-$207k/yr OnsiteFull Time
7+ YOEActive TS/SCI with Polygraph, Bachelor's in engineering field, 7+ years related experience, proficiency with Java and SpringBoot, Agile experience, strong troubleshooting and communication skills.
Java, SpringBoot, RESTful API, Git, Bitbucket, Confluence, Jira, Kafka, MongoDB, ActiveMQ, NiFi, Mockito, Lombok, OpenAPI (Swagger), AWS
4d
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Sr Specialist - Software Development & Engineering
Lone Tree, Colorado, United States
$164k-$168k/yr HybridFull Time
5+ YOEBachelor's in CS or related and 5 years' experience designing Java Springboot microservices, RESTful APIs, RabbitMQ, SQL/NoSQL, Python/Matlab/Kotlin, Angular, cloud deployments, CI/CD, and Agile tools.
Java Springboot, RabbitMQ, MS SQL Server, Oracle DB, MongoDB, Python, Matlab, Kotlin, Angular, JavaScript, Pivotal Cloud Foundry (PCF), Linux, Bamboo, GitHub, JIRA, Confluence, JMetrics
1mo
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Software Developer (TS/SCI CI Poly) (5303) (Chantilly, VA; Herndon, VA; Aurora, CO)
Chantilly or Herndon or Aurora
$111k-$185k/yr OnsiteFull Time
TS/SCI CI Poly clearance, Security+ certification, on-site in Chantilly/Herndon, VA or Aurora, CO; Java development with SpringBoot, Docker, Kubernetes; Kubernetes deployments with Helm; RESTful services; AWS desired.
Java, Spring Boot, Mockito, Lombok, OpenAPI, Swagger, Git, Docker, Kubernetes, Helm, Gradle, Kafka, MongoDB, ActiveMQ, NiFi
2w
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Specialist Software Engineering
Cedar Rapids or Denver or Philadelphia
$131k-$165k/yr HybridFull Time
12+ YOEBachelor's degree or equivalent, 12+ years software/devops experience, strong CI/CD expertise, Python and Bash scripting, deep AWS, containerization, IaC (Terraform), Java or .NET experience, database and API knowledge.
Harness, Jenkins, Python, Bash, AWS, ECS, EKS, EC2, Lambda, S3, ASG, IAM, Docker, Nexus, Artifactory, Terraform, Visual Studio, git, Github, Maven, AgentCore, Strands, Kiro IDE, .NET, C#, JAVA, Spring Framework, J2EE, SqlServer, DynamoDB, API Gateways, Apache Camel, Swagger, Spring Boot, Spring MVC, Entity Framework, IIS, Kubernetes, Bitbucket, Angular, React, Vue.js, ASP.NET MVC, HTML, JS, CSS, Ajax, Kinesis, Event Hubs
1mo
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Software Engineer
Toronto or Denver or Fishers or Los Angeles or Krakow
$120k-$150k/yr HybridFull Time
3+ YOE3+ years backend engineering experience; strong Java and Spring Boot skills; experience with REST APIs, Kafka, Kubernetes, cloud platforms; knowledge of identity (OAuth 2.0, OIDC, SSO, SCIM). Bachelor's in CS/Engineering or equivalent.
Java, Spring Boot, Python, RESTful APIs, Kafka, Kubernetes, OAuth 2.0, OpenID Connect (OIDC), SSO, SCIM, AWS, Azure, Google Cloud Platform, Okta, Auth0, Ping Identity, Keycloak, Terraform, OpenTelemetry, Datadog, Grafana
1mo
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Senior Software Engineer (Onsite)
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEBachelor's degree in STEM and 5+ years relevant experience; strong Java and multithreading skills; active transferable TS/SCI security clearance required prior to start; experience with microservices, AWS, Docker/Kubernetes and DevSecOps preferred.
Java, AWS, Docker, Kubernetes, Confluence, Eclipse, Jira, Jenkins, JUnit, Kafka, Spring Boot, SAFe Agile, DevSecOps, CI/CD
1w
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Senior Software Engineer- Full Stack
Centennial, Colorado, United States
$111k-$160k/yr HybridFull Time
7+ YOE7+ years full-stack software engineering experience with Java/Spring Boot, React/TypeScript, deep SQL Server expertise, testing discipline, and legacy-system migration experience.
Java, Spring Boot, pnpm, React, TypeScript, Vite, MUI, TanStack Query, Zod, ColdFusion, Docker, GitLab CI, AWS, S3, DynamoDB, KMS, Kubernetes, JUnit, WireMock, Vitest, Playwright, Selenium, SQL Server, Flyway, OpenAPI, RabbitMQ, Kafka
1w
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Senior Software Engineer
Centennial, Colorado, United States
OnsiteFull Time
10+ YOE10+ years software development experience; proficiency with Java, Spring, Angular, Typescript, Docker, microservices, PostgreSQL/Mongo, Unix/Linux; bachelor’s in CS/IT; active Top Secret clearance preferred.
Java, Spring Framework, Angular, Typescript, Docker, PostgreSQL, Mongo, Unix/Linux, Git, Gitlab, Kubernetes, ActiveMQ, WebSockets, HTTP, REST, CI/CD
2w
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Lead Software Engineer - Fullstack: Java, Spring Boot, Microservices, Angular
Dallas or Strongsville or Denver or Phoenix or Pittsburgh or Birmingham
$86k-$158k/yr OnsiteFull Time
3+ YOE3+ years relevant experience, Bachelor's degree preferred, expertise in Java and Angular full‑stack development, microservices, cloud native patterns, CI/CD, automated testing, and leadership/mentorship skills.
Java, Spring Boot, Microservices, Angular, TypeScript, RxJS, RESTful APIs, JUnit, Mockito, Jasmine, Karma, Jest, Docker, Kubernetes, CI/CD
2mo
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Senior Data Engineer
Denver, Colorado, United States
$160k-$200k/yr HybridFull Time
3+ YOE3+ years in data/software engineering; BS/MS CS or related; Python, Pandas, PySpark; SQL; data pipelines; ETL/data warehousing; Docker/Kubernetes; strong communication.
Python, Pandas, PySpark, SQL, AWS Glue, Airflow, Kafka, Databricks, Snowflake, Docker, Kubernetes, FastAPI, Flask, Spring Boot, Elasticsearch
6d
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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
1w
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Staff Engineer (Java)
Los Angeles or Broomfield
$155k-$180k/yr HybridFull Time
6+ YOE6+ years production Java experience, expertise in microservices, Spring Boot, Docker, AWS, relational and NoSQL databases, messaging systems, CI/CD, and automated testing.
Java, Spring Boot, Docker, AWS, EC2, ECS, Hibernate, MySQL, Oracle, Postgres, Redis, MongoDB, DynamoDB, RabbitMQ, Kafka, Maven, Git, Jenkins, Puppet, Jira, JavaScript, React, Ant Design, Material UI, React Bootstrap, Model Context Protocol (MCP)
2w
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Software Engineer Sr
Colorado Springs or King of Prussia
$93k-$164k/yr OnsiteFull Time
U.S. citizenship and secret clearance required. Bachelor's in CS/Engineering, professional software engineering experience, automated testing with Playwright/Selenium/Cypress, TypeScript or Java, CI/CD and container familiarity.
Playwright, Selenium, Cypress, TypeScript, Java, Gitlab, Github, Docker, Kubernetes, .Net Core, Spring Boot, Angular, React
3w
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Systems Software Engineer, Missile Defense National Team (Associate, Experienced or Senior)
Colorado Springs or Huntsville
$99k-$217k/yr OnsiteFull Time
2+ YOEBachelor's degree, ability to obtain U.S. Secret clearance (U.S. person required), 2+ years Java (J2EE/Java Spring) experience, 1+ years UML and Agile experience, MATLAB integration, MBSE exposure, and experience across software lifecycle.
Java, J2EE, Java Spring, MATLAB, UML, MBSE, Eclipse, Maven, Gradle
3w
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Systems Software Engineer, Missile Defense National Team (Associate, Experienced or Senior)
Colorado Springs or Huntsville
$99k-$217k/yr OnsiteFull Time
2+ YOEBachelor's degree, ability to obtain U.S. Secret clearance (U.S. person required), 2+ years Java development (J2EE/Java Spring), 1+ years UML and Agile experience; ability to implement algorithms, support full SDLC and testing.
Java, J2EE, Java Spring, Unified Modeling Language (UML), MATLAB, Eclipse, Maven, Gradle, MBSE, microservices
1mo
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Senior Java Developer
Colorado Springs or Denver
HybridFull Time
8+ YOEU.S. citizen with active Secret clearance, bachelor\u0002s degree, 8+ years Java development including Spring Boot and legacy J2EE/Struts 2, cloud experience (AWS/Azure), CI/CD and strong independent delivery skills.
Java, Spring Boot, Hibernate, Struts 2, J2EE, AWS, Azure, Oracle, SQL Server, JUnit, SAML, CI/CD, Login.gov
3w
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Senior Software Engineer
San Francisco or Denver
$150k-$200k/yr HybridFull Time
5+ YOEBachelor's in CS required, 5+ years professional software development, strong Python/Java/Spring Boot/Kafka skills, generative AI exposure, TDD and pair-programming experience, PostgreSQL, GitHub, Jenkins, cloud (AWS/Microsoft Azure).
Python, Java, Spring Boot, Kafka, ChatGPT, Gemini, Retrieval-Augmented Generation (RAG), AWS, Microsoft Azure, CI/CD, Test-Driven Development (TDD), PostgreSQL, GitHub, Jenkins, Angular, JavaScript, CSS, Docker, Kubernetes, microservices