# Senior Software Developer

**Company**: Leidos
**Location**: Gaithersburg, MD
**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/Gaithersburg-MD/Sr-Software-Developer_R-00188991?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_86a1b1f8-7ab

## Description

As a Senior Software Developer, you'll play a key role in designing, developing, testing, and deploying secure, scalable applications that support enterprise and mission operations.

You will:

- Design, develop, test, deploy, and maintain enterprise software applications using modern development practices.

- Collaborate with Product Owners, Scrum Masters, architects, and fellow developers to deliver high-quality software in Agile sprints.

- Participate in sprint planning, backlog refinement, daily stand-ups, sprint reviews, and retrospectives.

- Develop clean, maintainable, and well-documented code following secure coding standards and best practices.

- Design and implement RESTful APIs, microservices, and distributed application architectures.

- Perform code reviews and mentor junior developers to promote engineering excellence and knowledge sharing.

- Troubleshoot complex application issues and perform root cause analysis to improve system reliability and performance.

- Develop automated unit, integration, and end-to-end tests to ensure software quality.

- Collaborate with DevSecOps teams to implement CI/CD pipelines and automated deployment processes.

- Optimize application performance, scalability, and security across enterprise environments.

- Participate in architecture discussions and contribute to technical roadmaps and modernization initiatives.

- Support production deployments and resolve issues in mission-critical environments

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.

- 8+ years of professional software development experience.

- Strong proficiency in one or more object-oriented programming languages such as Java, C#, Python, C++.

- Experience developing web-based applications and enterprise software solutions.

- Experience designing and consuming REST APIs.

- Experience working with relational and/or NoSQL databases.

- Strong understanding of object-oriented design principles and software design patterns.

- Experience using Git or other distributed version control systems.

- Experience working within Agile Scrum or SAFe development environments.

- Excellent analytical, debugging, and problem-solving skills.

- Strong written and verbal communication skills.

Preferred qualifications:

- Experience developing cloud-native applications in AWS, Azure, or other cloud platforms.

- Experience with containerization technologies such as Docker and Kubernetes.

- Experience building microservices architectures.

- Familiarity with DevSecOps practices and CI/CD tools including Jenkins, GitLab CI, or Azure DevOps.

- Experience with Infrastructure as Code tools such as Terraform or Ansible.

- Knowledge of message brokers such as Kafka or RabbitMQ.

- Experience with front-end frameworks such as React, Angular, or Vue.js.

- Familiarity with Elasticsearch, Redis, or other enterprise technologies.

- Experience with secure software development lifecycle (SSDLC) practices.

- Security+ certification or other DoD 8570/8140 compliant certification.

## Skills

### Required
- Java
- C#
- Python
- C++
- Agile Scrum
- REST APIs
- Git
- object-oriented design principles
- software design patterns

### Nice to have
- AWS
- Azure
- Docker
- Kubernetes
- DevSecOps
- CI/CD tools
- Terraform
- Ansible
- Kafka
- RabbitMQ
- React
- Angular
- Vue.js
- Elasticsearch
- Redis
- SSDLC practices
- Security+ certification

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Source: [Apply at leidos.wd5.myworkdayjobs.com](https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Gaithersburg-MD/Sr-Software-Developer_R-00188991?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)