Senior Java API Developer

Company: Leidos
Location: Baltimore
Posted on: May 8, 2025

Job Description:

Job #: R-00158289
Location: Baltimore, Maryland
Category: Software Development
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Remote Type: No Remote
Clearance: Public Trust
External Referral Program : Ineligible
Sector: Digital Modernization
The Digital Modernization Sector has an opening for a Senior Java API Developer to work in Woodlawn, MD.This position will require onsite work in Woodlawn, MD five days a week.Day to Day Responsibilities:Develop, design, code, and implement next-generation deployment automation using system/software engineering best practices and the latest technologies:Spring Framework (Boot, Cloud, Security, Data).DevOps (Jenkins, Red Hat OpenShift, Docker, SonarQube, UrbanCode).Enterprise Integration (IBM Fuse, Apache Camel, and SpringBoot Routes).Provide software expertise in one or more of these areas: Java application integration, Java enterprise services, service oriented architectures (SOA), security, business process management/business rules processing, CI/CD pipeline and containerization, user experience (UX) and accessibility (Section 508/WCAG/USDS Web Standards).Investigate and repair application defects regardless of component: front-end, business logic, middleware, or database (PL/SQL and Data Modeling).Conduct activities and create documentation for maintaining Authority to Operate (ATO).Brief management, customer, team, or vendors using written or oral skills at appropriate technical level for audience.All other duties as assigned or directed.Foundation for Success (Required Qualifications):This experience is the foundation a candidate needs to be successful in this position:Bachelor's Degree in Computer Science, Mathematics, Engineering, or a related field and 8 years of experience OR Masters degree with 6 years of relevant experience. Additional years of experience may be substituted/accepted in lieu of degree.8+ years of experience of modern software development experience with a solid understanding of designing, building, deploying, and running applications. Combined experience SOA/Microservice architecture/RESTful web service.2+ years of combined hands-on experience building/developing on CI/CD pipelines and using Red Hat OpenShift/Kubernetes and Docker containers.Must be able to obtain and maintain a Public Trust clearance.Factors to Help You Shine (Required Qualifications):These skills will help you succeed in this position:Excellent knowledge with Java EE, Java generics, and concurrent programming.Excellent experience with Spring Framework (One or more of the following: Boot, Batch, Cloud, Security, and/or Data).Solid experience with automated unit testing, TDD, BDD, and associated technologies (One or more of the following: Junit, Mockito, Cucumber, Selenium, and/or Karma/Jasmine).Basic experience / understanding of DevOps and toolset (One or more of the following: Git/Bitbucket, Docker containers, Red Hat OpenShift/Kubernetes, Jenkins, and/or SonarQube).Basic knowledge of relational databases (PostgreSQL, DB2, and Oracle), SQL, and/or ORM technologies (JPA2, Hibernate, and/or Spring JDBC).Able to successfully support two projects simultaneously.How to Stand Out from the Crowd (Desired Skills):Showcase your knowledge of modern development through the following experience or skills:Strong understanding of Enterprise Integration Patterns.Experience developing IBM Fuse, Apache Camel, or SpringBoot routes.Preferred experience with API development & monitoring tools (Postman, Ready API, Swagger, Splunk, Dynatrace).AWS cloud certifications or Certified Kubernetes Application Developer (CKAD).Preferred experience with AWS cloud technologies or other cloud platforms and PaaS.Preferred experience with Kafka development and integration.Original Posting:May 2, 2025DescriptionThe Digital Modernization Sector has an opening for a Senior Java API Developer to work in Woodlawn, MD.This position will require onsite work in Woodlawn, MD five days a week.Day to Day Responsibilities:

• Develop, design, code, and implement next-generation deployment automation using system/software engineering best practices and the latest technologies:
  • Spring Framework (Boot, Cloud, Security, Data).
  • DevOps (Jenkins, Red Hat OpenShift, Docker, SonarQube, UrbanCode).
  • Enterprise Integration (IBM Fuse, Apache Camel, and SpringBoot Routes).
  • Provide software expertise in one or more of these areas: Java application integration, Java enterprise services, service oriented architectures (SOA), security, business process management/business rules processing, CI/CD pipeline and containerization, user experience (UX) and accessibility (Section 508/WCAG/USDS Web Standards).
  • Investigate and repair application defects regardless of component: front-end, business logic, middleware, or database (PL/SQL and Data Modeling).
  • Conduct activities and create documentation for maintaining Authority to Operate (ATO).
  • Brief management, customer, team, or vendors using written or oral skills at appropriate technical level for audience.
  • All other duties as assigned or directed.Foundation for Success (Required Qualifications):This experience is the foundation a candidate needs to be successful in this position:
    • Bachelor's Degree in Computer Science, Mathematics, Engineering, or a related field and 8 years of experience OR Masters degree with 6 years of relevant experience. Additional years of experience may be substituted/accepted in lieu of degree.
    • 8+ years of experience of modern software development experience with a solid understanding of designing, building, deploying, and running applications. Combined experience SOA/Microservice architecture/RESTful web service.
    • 2+ years of combined hands-on experience building/developing on CI/CD pipelines and using Red Hat OpenShift/Kubernetes and Docker containers.
    • Must be able to obtain and maintain a Public Trust clearance.Factors to Help You Shine (Required Qualifications):These skills will help you succeed in this position:
      • Excellent knowledge with Java EE, Java generics, and concurrent programming.
      • Excellent experience with Spring Framework (One or more of the following: Boot, Batch, Cloud, Security, and/or Data).
      • Solid experience with automated unit testing, TDD, BDD, and associated technologies (One or more of the following: Junit, Mockito, Cucumber, Selenium, and/or Karma/Jasmine).
      • Basic experience / understanding of DevOps and toolset (One or more of the following: Git/Bitbucket, Docker containers, Red Hat OpenShift/Kubernetes, Jenkins, and/or SonarQube).
      • Basic knowledge of relational databases (PostgreSQL, DB2, and Oracle), SQL, and/or ORM technologies (JPA2, Hibernate, and/or Spring JDBC).
      • Able to successfully support two projects simultaneously.How to Stand Out from the Crowd (Desired Skills):Showcase your knowledge of modern development through the following experience or skills:
        • Strong understanding of Enterprise Integration Patterns.
        • Experience developing IBM Fuse, Apache Camel, or SpringBoot routes.
        • Preferred experience with API development & monitoring tools (Postman, Ready API, Swagger, Splunk, Dynatrace).
        • AWS cloud certifications or Certified Kubernetes Application Developer (CKAD).
        • Preferred experience with AWS cloud technologies or other cloud platforms and PaaS.
        • Preferred experience with Kafka development and integration.Original Posting:May 2, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $104,650.00 - $189,175.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 48,000 global employees, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here .Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other person a l information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [emailprotected] .All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 48,000 global employees, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here .Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other person a l information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [emailprotected] .All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.Talent CommunityJoin our Talent Community to create a profile, enabling a streamlined application process and to help our recruiters better understand your areas of expertise and interest.
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Keywords: Leidos, Arlington , Senior Java API Developer, IT / Software / Systems , Baltimore, Virginia