Principal Java Developer

Leidos•Bethesda, MD

43d

About The Position

Leidos has a new and exciting opportunity for a Principal Java Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Description A Java developer on this program provides Agile development and operations and maintenance for mission critical systems. Based in DevOps framework, this role participates in major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. Primary Responsibilities: Design, develop, test and maintain high-performance, scalable backend microservices using Java and the Spring Framework to meet customer information technology needs. Participates in software programming initiatives, shaping backend architecture, mentoring team members, and conducting code reviews. Develops and directs software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies Develop, prototype and deploy solutions within a cloud-based platform leveraging platform services. Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs Support the Agile software development lifecycle following Program SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases Document and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs and using industry leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash) Apply and identify software development best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers. Basic Qualifications: In-depth experience in common Agile practices, service-orientated environments, and development practices In-depth experience with Java and the Spring Framework, microservices architecture and design patterns, implementing RESTful APIs, and integrating with relational and NoSQL databases. In-depth experience integrating with and delivering within DevOps toolsets/practices Direct experience utilizing software testing performance tools, such as Junit and scripting languages, such as Python, and Bash while working in an Agile development environment In-depth experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS) In-depth experience using version control systems and issue/problem tracking systems Bachelor’s degree with 12 or more years of prior relevant experience or Master’s degree with 10 or more years of relevant experience. Additional years of experience may be substituted in lieu of a degree.

Requirements

In-depth experience in common Agile practices, service-orientated environments, and development practices
In-depth experience with Java and the Spring Framework, microservices architecture and design patterns, implementing RESTful APIs, and integrating with relational and NoSQL databases.
In-depth experience integrating with and delivering within DevOps toolsets/practices
Direct experience utilizing software testing performance tools, such as Junit and scripting languages, such as Python, and Bash while working in an Agile development environment
In-depth experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS)
In-depth experience using version control systems and issue/problem tracking systems
Bachelor’s degree with 12 or more years of prior relevant experience or Master’s degree with 10 or more years of relevant experience.
To be considered must have an active TS/SCI with polygraph security clearance

Nice To Haves

Experience with writing software that interfaces with data technologies like Elasticsearch, Postgres, DynamoDB, Kafka, AWS SQS/SNS, AWS Lambda, and AWS S3.
Experience with SAFe development practices

Responsibilities

Design, develop, test and maintain high-performance, scalable backend microservices using Java and the Spring Framework to meet customer information technology needs.
Participates in software programming initiatives, shaping backend architecture, mentoring team members, and conducting code reviews.
Develops and directs software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies
Develop, prototype and deploy solutions within a cloud-based platform leveraging platform services.
Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs
Support the Agile software development lifecycle following Program SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases
Document and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs and using industry leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash)
Apply and identify software development best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.