Java Developer (SME)

Leidos•Bethesda, MD

3d•$154,050 - $278,475•Onsite

About The Position

Leidos is seeking an experienced Java Developer (SME) to provide expert-level Agile DevOps support for mission-critical systems in its Intel Security Sector's Analysis Solutions Business Area. Based in Bethesda, Maryland, the role involves designing, developing, implementing, and testing customer tools and applications that support extracting, transforming, and loading data into an enterprise Data Lake. The developer will participate in and direct major software development lifecycle deliverables, including scope definition, work estimation, architecture and design, coding, and unit testing. The role also develops custom code and scripts to rapidly extract, triage, and exploit data across multiple domains and data stores. The successful candidate will help shape backend architecture, mentor other developers, influence technical solutions, and collaborate with multidisciplinary Agile teams supporting Intelligence Community missions.

Requirements

Extensive experience with common Agile practices, service-oriented environments, and established software development practices.
Extensive experience with Java, the Spring Framework, microservices architecture and design patterns, RESTful APIs, and integration with relational and NoSQL databases.
Extensive experience developing software that interfaces with Elasticsearch, Postgres, DynamoDB, Kafka, AWS SQS/SNS, AWS Lambda, and AWS S3.
Extensive experience integrating with and delivering software solutions within DevOps toolsets and practices.
Direct experience using software testing and performance tools such as JUnit, and scripting languages including Python and Bash, in an Agile development environment.
Extensive experience developing solutions on commercial cloud platforms such as AWS, Google Cloud, or Azure, and using cloud data services such as S3, RDS, and EFS.
Extensive experience with version control systems and issue/problem tracking systems.
Master's degree with 15 or more years of prior relevant experience, or a Doctorate with 13 or more years of relevant experience; additional years of experience may substitute for a degree.
Must possess an active TS/SCI with polygraph security clearance.

Nice To Haves

Experience with SAFe development practices.

Responsibilities

Design, develop, test, and maintain high-performance, scalable backend microservices using Java and the Spring Framework.
Participate in and direct software programming initiatives, shape backend architecture, mentor team members, and conduct code reviews.
Develop and direct software system validation and testing methods using JUnit and Katalon, and support automated deployment technologies with integrated, custom-developed software solutions.
Develop, prototype, and deploy solutions within a cloud-based platform using available platform services.
Analyze infrastructure requirements through proof-of-concept development, performance testing, and end-to-end testing, and coordinate infrastructure needs arising from developed software.
Support the Agile software development lifecycle using Program SAFe practices, coordinating with team members, Product Owners, and Scrum Masters to align User Stories with customer use cases.
Document and perform systems software development activities, including deploying build artifacts across environments using GitFlow, GitHub, Jenkins, and scripting languages such as Python and Bash.
Identify and apply software development best practices and standard operating procedures to create solutions addressing customer technical needs.
Develop custom code and scripts to rapidly extract, triage, and exploit data across multiple domains and data stores.