Mid-Level Software Engineer

Leidos; Tucson (AZ); On-site; USD 87,000 - 157,000; Full time

Benefits offered by this job

Competitive compensation

Health and Wellness programs

Income Protection

Paid Leave

Retirement

Job summary

Leidos is seeking a Mid-Level Software Engineer to own features from design to deployment, building secure, scalable software for a GEOINT mission. You’ll develop RESTful APIs, work with SQL/NoSQL databases, and contribute to CI/CD and DevSecOps, while collaborating across disciplines and mentoring junior engineers.

You’ll join a team supporting an IC customer with opportunities across multiple locations, including Tucson, AZ, and other cities.

Qualifications

• US citizenship required.

Responsibilities

• Design, develop, integrate, test, deploy, and maintain a software application that supports GEOINT missions.
• Translate requirements into software solutions.
• Develop and consume RESTful APIs and backend services.
• Support CI/CD and DevSecOps processes.
• Provide technical guidance to junior engineers.

Skills

Python

Java

JavaScript

React

Angular

Vue.js

Spring Boot

Django

Node.js

Flask

Svelte

AWS

Azure

MySQL

PostgreSQL

SQL Server

Windows

Linux

Git

Education

Bachelor's degree in Computer Science, Software Engineering, or related field

Equivalent experience considered

Tools

GitLab CI

Jenkins

JIRA

Confluence

Terraform

Ansible

CloudFormation

SonarQube

Nexus

Vault

Keycloak

OpenSearch/Elasticsearch

Job description

Description

You’ve built your software engineering foundation. Now it’s time to take ownership of technology that truly matters. Leidos is seeking an accomplished Mid-Level Software Engineer to join the Chinook Program supporting an Intelligence Community (IC) customer and helping evolve an application supporting important national security objectives.

Turn Your Engineering Experience Into Mission Impact

As a Mid-Level Software Engineer, you’ll have the opportunity to own meaningful features and software components from design through deployment. Independently you’ll design, develop, integrate, test, and maintain software capabilities. You’re expected to take ownership of assigned features and components while contributing to technical decisions, code quality, automation, and continuous improvement. You’ll solve challenging technical problems, collaborate with talented engineers across disciplines, and contribute to modern cloud, DevSecOps, API, and application technologies.

Position may be performed in the following locations below.

• Tucson, AZ
• Gaithersburg, MD
• Alexandria, VA
• Chantilly, VA
• Englewood, CO
• St. Louis, MO

Clearance Level Required:

Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.

Primary Responsibilities:

• Design, develop, integrate, test, deploy, and maintain a software application that supports our customer’s GEOINT mission.
• Translate functional and technical requirements into software solutions.
• Independently implement moderately complex software features.
• Develop maintainable, scalable, and secure application components.
• Develop and consume RESTful APIs and backend services.
• Work with relational and/or NoSQL databases.
• Troubleshoot application defects, integration issues, and performance problems.
• Perform root-cause analysis and implement corrective actions.
• Develop unit, integration, and automated tests.
• Participate in code reviews and establish high-quality coding practices.
• Support CI/CD and DevSecOps processes.
• Contribute to containerized application environments.
• Participate in agile ceremonies, sprint planning, backlog refinement, demonstrations, and technical working sessions.
• Collaborate with Test Engineering to ensure features meet acceptance criteria and quality expectations.
• Support deployment, monitoring, and sustainment of the application.
• Identify opportunities to improve application performance, reliability, maintainability, and security.
• Provide technical guidance to junior engineers.
• Maintain appropriate software and technical documentation.

Basic Qualifications:

• US citizenship is required per contract.
• Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master’s with less than 2-6 years of prior relevant experience. Equivalent experience may be considered in lieu of degree.
• 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
• Understanding of modern software design patterns and coding standards.
• Experience architecting, developing, and delivering complex software systems into production.
• Experience with CI/CD tools (GitLab CI, Jenkins) and agile collaboration tools (JIRA, Confluence).
• Familiarity with cloud environments such as AWS (C2S or GovCloud) and containerization technologies (Docker, Kubernetes).
• Understanding of secure coding practices and government system accreditation processes (e.g., RMF, STIGs).
• Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.

Preferred Qualifications:

• Experience supporting Intelligence Community (IC) mission systems.
• 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.

#Chinook

#NSBA

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Pay Range:

$87,100.00 - $157,450.00

Pay and Benefits:

• Competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

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.