Sr. Software Developer Job Gaithersburg area,Maryland USA,Software Development

Senior Software Engineer Location: Gaithersburg, MD Schedule: Full Time Work Arrangement: Onsite Travel Required: No Shift: Day Clearance Required: Active Top Secret/SCI with the ability to successfully complete a polygraph examination Position Overview

We are seeking an experienced Senior Software Engineer to support the design, development, deployment, and maintenance of mission-critical enterprise applications. This position is ideal for a hands-on developer who enjoys solving complex technical problems, building reliable software, and collaborating within an Agile engineering environment.

The Senior Software Engineer will work closely with product owners, architects, Scrum Masters, Dev Sec Ops teams, and fellow developers to deliver secure, scalable, and maintainable software solutions.

Primary Responsibilities

Design, develop, test, deploy, and maintain enterprise software applications using modern development practices
Develop clean, maintainable, and well-documented code that follows secure coding standards and engineering best practices
Design and implement RESTful APIs, microservices, and distributed application solutions
Participate in Agile ceremonies, including sprint planning, backlog refinement, daily stand-ups, sprint reviews, and retrospectives
Collaborate with product owners, architects, Dev Sec Ops engineers, and development teams to deliver high-quality software
Develop automated unit, integration, and end-to-end tests to support application quality and reliability
Perform code reviews and provide technical guidance to junior developers
Troubleshoot complex application issues and perform root cause analysis
Collaborate with Dev Sec Ops teams to support CI/CD pipelines and automated deployments
Optimize application performance, scalability, reliability, and security
Participate in architecture discussions, modernization initiatives, and technical roadmap planning
Support production deployments and resolve issues within mission-critical environments

Required Qualifications

Active Top Secret/SCI clearance
Ability to successfully complete a polygraph examination
Bachelor's degree in Computer Science, Software Engineering, or a related field with 8 to 12 years of relevant experience, or a master's degree with 6 to 10 years of relevant experience
Eight or more years of professional software development experience
Strong hands-on proficiency in at least one object-oriented programming language, such as Java, C#, Python, or C++
Experience developing web-based applications or enterprise software solutions
Experience designing, developing, and consuming RESTful APIs
Experience working with relational databases, No

SQL databases, or both
Strong understanding of object-oriented design principles and software design patterns
Experience using Git or another distributed version control system
Experience working within Agile Scrum or SAFe development environments
Strong analytical, debugging, and problem-solving skills
Strong written and verbal communication skills

Preferred Qualifications

Experience developing cloud-native applications using AWS, Azure, or another cloud platform
Experience with Docker, Kubernetes, or other container technologies
Experience designing or developing microservices architectures
Familiarity with Dev Sec Ops practices and CI/CD tools such as Jenkins, Git Lab CI, or Azure Dev Ops
Experience with Infrastructure as Code tools such as Terraform or Ansible
Experience with messaging technologies such as Kafka or RabbitMQ
Experience with React, Angular, Vue.js, or another modern front-end framework
Familiarity with Elasticsearch, Redis, or similar enterprise technologies
Experience following secure software development lifecycle practices
Security+ or another applicable DoD 8570/8140…