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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer SME - **Company:** Leidos, Inc. - **Location:** Tucson, AZ, United States - **Experience:** Expert - **Salary:** $131,300.0 - $237,350.0 - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Microsoft Windows, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Application Performance Management, Confluence, JIRA, Automation of Tests, Microsoft Azure, Cascading Style Sheets (CSS), Cloud Engineering, Code Review, Computer Programming, Databases, Continuous Delivery, Continuous Integration, Data as a Services, Data Security, Relational Databases, Linux, Web Development, Django Web Framework, Elasticsearch, Event-Driven Programming, Geospatial Intelligence, Design of User Interfaces, Human-Computer Interaction, Information Systems Security Architecture Professional, JavaScript Libraries, JSON, JQuery, Python (Programming Language), PostgreSQL, Microsoft SQL Server, MySQL, Cisco Nexus Switches, Node.Js, NoSQL, Object-Oriented Software Development, Oracle (Applications), Scrum Methodology, Software Architecture, Svelte, Amazon Simple Notification Service (SNS), Software Engineering, Software Systems, SonarQube, Vault (Revision Control System), SQL Databases, Systems Integration, Web Applications, Web Application Frameworks, Enterprise Application Integration, Data Logging, Data Processing, Warehouse Management Systems, Okta, DevOps Tools - Open-source, ReactJS, Flask (Web Framework), Database Optimization, Spring-boot, Multi-Cloud, Infrastructure as Code (IaC), Backend, Git, Cloudformation, Vue.js, Event Driven Architecture, Amazon Relational Database Service, AngularJS, Gitlab-ci, Kubernetes, Information Technology, Front End Software Development, Software Coding, Restful APIs, Amazon Simple Queue Service (SQS), Terraform, Software Version Control, Devsecops, OpenSearch, Docker, Jenkins, Microservices - **Published:** October 23, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/az/tucson/9c28be8f-8b41-4251-ace0-e5c16ab36208 ## About the Role Active Top Secret/SCI with the ability to successfully pass a Polygraph examination., * US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 12-15 years of prior relevant experience or Master's with 10-13 years of prior relevant experience. * Proficient with the following technologies: + Web: HTML, CSS, JSON, and REST APIs + Object-oriented Programming: Python, Java, and JavaScript + Advanced Programming: Go + Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte. + Cloud Development: o Multi-cloud architectures: AWS, IBM, Google, Azure, and Oracle. o Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS + Relational Database: MySQL, PostgreSQL, or SQL Server + NoSQL Database: OpenSearch/Elasticsearch. + Operating System: Windows, Linux + Version Control System: Git * Proficiency with AWS (C2S/GovCloud) and Infrastructure-as-Code (Terraform, CloudFormation). * Established experience building and deploying containerized services (Docker/Kubernetes). * Solid understanding of DevSecOps tools: GitLab CI/CD, Jenkins, SonarQube, Nexus, Keycloak, Vault. * In depth knowledge of Agile/Scrum practices and tools (JIRA, Confluence) * Solid understanding of customer specific data types and standards, such as OGC WMS/WFS, NSG, and GEOINT workflows. Preferred Qualifications: * Frontend Web Development: UI/UX * Prior experience supporting Intelligence Community mission systems. * Experience with messaging/event-driven architecture. * Experience with observability, logging, monitoring, and application performance management. * Advanced certifications such as AWS Certified Developer or Solutions Architect, CISSP, SAFe Agile or similar. #Chinook #NSBA ## Description MySQL CI/CD JQuery Jenkins Teamwork Equities Terraform SonarQube DevSecOps Innovation Kubernetes SAFe Agile PostgreSQL Opensearch Data Types Code Review Scalability Reliability Market Data RESTful API Multi-Cloud Spring Boot Data Access GitLab CI/CD Microservices Observability Test Automation Database Tuning Microsoft Azure Web Development Control Systems Software Design Data Processing Sprint Planning Computer Science Web Applications Front End Design Agile Methodology Docker (Software) Influencing Skills AWS CloudFormation Amazon Web Services User Interface (UI) Continuous Delivery Software Engineering Technical Leadership Demonstration Skills Atlassian Confluence Emerging Technologies Solution Architecture Software Architecture Flask (Web Framework) Engineering Practices Continuous Integration Django (Web Framework) Technical Requirements Angular (Web Framework) Geospatial Intelligence AWS Certified Developer Event-Driven Programming Application Environments SQL (Programming Language) Java (Programming Language) Vue.js (Javascript Library) Node.js (Javascript Library) Warehouse Management Systems Cascading Style Sheets (CSS) Scrum (Software Development) Infrastructure as Code (IaC) Amazon Elastic Compute Cloud React.js (Javascript Library) Python (Programming Language) Software Development Life Cycle Back End (Software Engineering) Front End (Software Engineering) HyperText Markup Language (HTML) Application Performance Management Enterprise Application Integration Application Programming Interface (API) Certified Information Systems Security Professional Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), Are you a highly skilled Software Engineer ready to tackle complex technical challenges that directly support our nation's intelligence mission? Leidos is seeking an accomplished Software Engineer Subject Matter Expert (SME) to join the Chinook Program supporting our Intelligence Community customer. This is an exciting opportunity to bring your software engineering expertise to a high-impact mission where innovation, technical excellence, and teamwork make a real difference. You will work alongside talented engineers, architects, mission experts, and government stakeholders to develop and deliver secure, scalable, and modern software capabilities that support critical national security objectives. As a Software Engineer SME, you won't simply be writing code, you'll help shape technical solutions, influence architecture, solve challenging engineering problems, and elevate the capabilities of the team around you. We are looking for a hands-on technical leader who thrives in a collaborative environment and is excited about applying modern software engineering practices to meaningful mission challenges. In this role you will provide hands-on technical leadership across the full software development lifecycle, designing, developing, integrating, testing, deploying, and maintaining mission-critical applications and services. The SME will serve as a senior technical authority within the development team, helping establish sound engineering practices, resolve complex technical challenges, mentor other engineers, and collaborate closely with government and contractor stakeholders., * Serve as the senior technical SME and technical advisor for mission applications under the Chinook program. * Design, develop, integrate, test, deploy, and maintain modern web applications and backend services. * Develop scalable, maintainable, and secure software across both front-end and back-end tiers. * Translate mission and technical requirements into robust software architecture and implementation plans. * Provide technical leadership in software design, architecture, coding standards, code reviews, and engineering best practices. * Develop and maintain RESTful APIs, microservices, data services, and system integrations. * Build responsive and user-focused front-end interfaces using modern web development frameworks * Design and optimize database schemas, queries, data-access layers, and data-processing workflows. * Troubleshoot complex application, integration, performance, and production issues. * Support automated testing, continuous integration/continuous delivery (CI/CD), and DevSecOps practices. * Contribute to containerized and cloud-enabled application environments as applicable to the program. * Participate in Agile/Scrum ceremonies, sprint planning, backlog refinement, demonstrations, and technical working sessions. * Mentor junior and mid-level software engineers and promote consistent engineering practices across the team. * Identify opportunities to improve application performance, reliability, security, scalability, and maintainability. * Evaluate emerging technologies and recommend solutions based on mission requirements and technical feasibility.