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Senior Principal Software Engineer

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Onsite

Senior Principal Software Engineer

Protingent

Senior Principal Software Engineer

Skills

Google Cloud PlatformMongoDBDockerPythonPostgreSQLMySQLGitGitLabBitbucketJenkinsAWSAnsibleGitHubKubernetesJiraConfluenceKanbanTerraformAzure

10 days ago

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Important information


Contract type:

Freelance / Contract

Location:

Louisville, CO, USA

Work mode:

Onsite

Published on:

13 October 2026

What they need


Job Title: Senior Principal Software Engineer

Position Description: Protingent Staffing has an exciting contract Senior Principal Software Engineer with our client located in Louisville, CO.

Job Responsibilities:

  • You will design, develop, and test software applications for space systems and technologies while writing clean, maintainable code that adheres to best practices and coding standards.
  • You will architect and implement complex software systems to meet project requirements and collaborate with team members to understand project needs, contributing to the development of effective software solutions.
  • Utilizing version control systems such as Git, you will manage code changes and work collaboratively with team members.
  • You will participate in code reviews to ensure code quality and adherence to development standards, troubleshoot and resolve software-related issues in a timely manner, and document software configurations, processes, and procedures for future reference.
  • Staying current with industry trends and advancements in software development and space technologies will be essential.
  • Additionally, you will lead a team of engineers, providing technical leadership, mentorship, and support to foster collaboration and growth within the team.
  • You will make high-level design decisions that significantly impact program cost, schedule, and technical performance, drive the strategic direction of the software engineering team, and demonstrate project leadership, strong problem-solving skills, and effective communication with non-technical stakeholders.
  • Furthermore, you will architect and oversee the technical aspects of large-scale projects, innovate, and make strategic decisions regarding the adoption of new technologies and methodologies to enhance efficiency and effectiveness.

Job Qualifications:

  • Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree or master's +13 yrs experience).
  • Typically, 15+ years of related experience.
  • Extensive expertise in multiple programming languages and software development principles.
  • Ability to design, architect, and implement complex software systems.
  • Strong leadership skills to lead a team of engineers.
  • Ability to make high-level design decisions.
  • Ability to drive the strategic direction of the software engineering team.
  • Demonstrated project leadership, strong problem-solving skills, and effective communication with non-technical stakeholders.
  • Ability to architect and oversee the technical aspects of large-scale projects, innovate, and make decisions on the adoption of new technologies and methodologies.
  • Experience with different software development methodologies such as Agile and Scrum/Kanban.

Nice To Have:

  • Advanced degree in Computer Science, Software Engineering, or a related field.
  • Extensive experience with kernel-level programming and system optimization.
  • Mastery in programming languages (Python, C++) and their ecosystems.
  • Expertise in scripting languages (Bash, PowerShell, Perl) and automation tools (Ansible, Puppet, Chef, Terraform).
  • Proven experience with Agile or Scrum methodologies and tools (JIRA, Confluence, Jenkins).
  • Exceptional analytical skills, performance profiling, memory management, and debugging.
  • Excellent communication and collaboration skills, with proficiency in collaborative tools (GitHub, GitLab, Bitbucket).
  • Demonstrated ability to lead large-scale software projects from inception to completion.
  • Strong strategic thinking and decision-making skills.
  • Advanced knowledge of database management systems (MySQL, PostgreSQL, MongoDB).
  • Extensive experience with cloud platforms (AWS, Azure, Google Cloud) and cloud-native development.
  • Proficiency with containerization (Docker) and orchestration (Kubernetes).
  • In-depth understanding of network protocols, security principles, and secure coding practices.
  • Ability to write and maintain comprehensive technical documentation.
  • Extensive experience with CI/CD pipelines and advanced automated testing frameworks.
  • Proven track record of mentoring and guiding junior engineers, providing technical leadership.
  • Experience with continuous integration and automated test.
  • Knowledge of and experience implementing Software Design Patterns.
  • Familiarity with SysML/UML to create software designs.
  • Experience utilizing and setting up static analysis tools.

Job Details:

  • Job Type: Contract
  • Pay rate: Market Rate
  • Location: Louisville, CO.
  • Required US Citizenship: May be required to obtain and maintain a security clearance at the appropriate level.

Benefits Package: Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre-tax commuter benefits, Paid Time Off (PTO) and an administered 401k plan.

About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.

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