# Senior Software Engineer **Company**: Leidos **Location**: Tucson, AZ **Experience**: senior **Job type**: full-time **Salary**: $107,900.00 - $195,050.00 **Category**: Engineering **Industry**: Technology **Apply**: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Tucson-AZ/Senior-Software-Engineer_R-00194665?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply **Canonical**: https://yubhub.co/jobs/job_caaed1f2-955 ## Description Great software engineering is about more than writing code, it's about solving difficult problems, making smart technical decisions, and building capabilities people can depend on. As a Senior Software Engineer, you'll be a key technical leader, shaping software architecture, solving complex engineering challenges, and helping drive the evolution of critical application capabilities. **Responsibilities:** - Lead the design, development, integration, testing, deployment, and sustainment of a software application that supports the customer's GEOINT mission. - Translate mission, systems, and technical requirements into scalable software solutions. - Lead technical design for application components, services, APIs, and integrations. - Develop and maintain high-quality production software. - Design and implement scalable backend services and modern web applications. - Evaluate architectural approaches and recommend solutions based on mission and technical requirements. - Develop and integrate RESTful APIs, microservices, and data services. - Design and optimize database schemas, queries, and data-access strategies. - Troubleshoot complex application, integration, performance, and production issues. - Lead root-cause analysis for significant technical problems. - Develop automated unit, integration, and system-level testing strategies. - Support CI/CD, DevSecOps, cloud, and containerized environments. - Identify and address technical debt, reliability issues, scalability limitations, and security concerns. - Serve as a Scrum Master for an Agile software development team, facilitating sprint planning, daily standups, backlog refinement, sprint reviews, and retrospectives. - Partner with Product Owners and development team members to manage sprint priorities, remove impediments, and support the timely delivery of high-quality software capabilities. - Promote Agile best practices, foster team collaboration, and drive continuous improvement in sprint execution, team efficiency, and software delivery. - Provide mentorship and guidance to junior engineers. - Collaborate closely with Test Engineering, DevSecOps, Systems Engineering, Security, and mission stakeholders. - Support production releases and operational troubleshooting. - Evaluate emerging technologies and determine their applicability to mission needs. - Contribute to technical documentation, engineering standards, and development roadmaps. **Requirements:** - US citizenship is required per contract. - Bachelor's degree in Computer Science, Software Engineering, or related field and 8-12 years of prior relevant experience or Master's with 6-10 years of prior relevant experience. - Proficiency with the following technologies: + Web: HTML, CSS, JSON, Ajax, and REST APIs + Object-oriented Programming: Python, Java, or JavaScript + Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte + Cloud Development: AWS, Azure, or similar cloud platforms + Relational Database: MySQL, PostgreSQL, or SQL Server + Operating System: Windows, Linux + Version Control System: Git - Strong experience with software architecture and application design. - Strong experience developing APIs, services, and/or distributed applications. - Strong database development and data-modeling experience. - Experience with modern DevSecOps and CI/CD practices. - Experience troubleshooting complex production and integration issues. - Experience serving as a Scrum Master or performing Scrum Master responsibilities within an Agile software development team. - Demonstrated understanding of Agile methodologies, Scrum ceremonies, sprint planning, backlog management, and iterative software delivery. - Experience using Agile project management tools such as Jira and Confluence to track sprint progress, manage work items, and support team collaboration. **Preferred Qualifications:** - Experience supporting Intelligence Community (IC) mission systems. - Certified ScrumMaster (CSM), Professional Scrum Master (PSM), or equivalent Agile certification. - Experience balancing hands-on software engineering responsibilities with Scrum Master duties on a cross-functional Agile team. - Experience using Agile metrics, including sprint velocity, burndown charts, and cycle time, to identify opportunities for improved team performance. - Experience with geospatial, intelligence, or other mission-specific data and workflows. - Experience with AWS and cloud-native architectures. - Experience with Infrastructure-as-Code (Terraform, Ansible, CloudFormation). - Experience with GitLab CI/CD, Jenkins, SonarQube, Nexus, Vault, or Keycloak. - Experience with PostgreSQL, MySQL, SQL Server, OpenSearch/Elasticsearch, or similar technologies. - Experience with event-driven architectures and messaging technologies. - Experience with observability, monitoring, logging, and application performance management. ## Skills ### Required - HTML - CSS - JSON - Ajax - REST APIs - Python - Java - JavaScript - React - Angular - Vue.js - jQuery - Spring Boot - Django - Node.js - Flask - Svelte - AWS - Azure - MySQL - PostgreSQL - SQL Server - Git - Agile - Scrum - DevSecOps - CI/CD ### Nice to have - Intelligence Community (IC) mission systems - Certified ScrumMaster (CSM) - Professional Scrum Master (PSM) - Agile metrics - geospatial data - intelligence data - cloud-native architectures - Infrastructure-as-Code - GitLab CI/CD - Jenkins - SonarQube - Nexus - Vault - Keycloak - OpenSearch/Elasticsearch - event-driven architectures - messaging technologies - observability - monitoring - logging - application performance management --- Source: [Apply at leidos.wd5.myworkdayjobs.com](https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Tucson-AZ/Senior-Software-Engineer_R-00194665?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)