Software Developer SME

Primary Responsibilities The Developer will be part of a team of developers and cloud engineers that create new features for legacy applications as the sponsor’s mission continues to expand and evolve. The team also builds new applications as new mission needs arise. The Developer works closely with product owners, business analysts, and other teams to translate business requirements into technical solutions.

The Developer analyzes and decomposes complex software systems and creates designs for scalability, testability, and performance. The work rhythm revolves around the Scrum agile framework to deliver incremental enhancements on a 3‑week cycle. Developers actively participate in planning deliverables, grooming the Jira backlog, and continually fine‑tune performance and clear communication.

Developers also participate in a team rotation of O&M responsibilities and are on‑call for after‑hours support approximately one week every three months. Required Qualifications Active TS/SCI with Polygraph Master’s degree and 15+ years of relevant experience (or equivalent experience in lieu of a degree) Experience creating applications with Java, Spring Boot, and Amazon Web Services for backend components, focusing on low‑latency, high‑throughput distributed systems Experience working closely with product owners, business analysts, and other teams to translate business requirements into technical solutions Experience analyzing and decomposing complex software systems and creating designs for scalability, testability, and performance Experience writing custom scripts to install and configure code in EC2 instances Experience using Git, Jenkins, and Rundeck Experience using CloudFormation scripts Experience creating RESTful APIs Experience working on a team that used the Scrum agile framework Experience manipulating data using XML, JSON, and YAML formats Desired Qualifications Certification – Amazon Web Services (AWS) Experience delivering containerized applications with services similar to Docker and Kubernetes Experience creating applications/services using Python Experience with Elasticsearch and/or Kibana Experience creating applications that rely on tokenization Experience writing custom scripts to install and configure code in EC2 instances Understanding of Identity Access Management (IAM) and Zero Trust concepts Understanding of Artificial Intelligence (AI) concepts such as prompt engineering and large language models (LLM) Experience building microservices Experience with automated testing frameworks such as Katalon Studio or Selenium Experience building solutions designed to continue operation even if one AWS region is unavailable Commitment to Non‑Discrimination 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. #J-18808-Ljbffr