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Principal Software Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: SOC LLC
Full Time position
Listed on 2026-07-08
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 130000 USD Yearly USD 100000.00 130000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Principal Software Engineer needed for a contract opportunity with SOC’s client to work onsite on a hybrid basis in St. Louis, MO.

Job Responsibilities
  • Perform system level integration with multiple vendors and software components
  • Apply fundamental knowledge of software engineering principles and core concepts (e.g., data structures, algorithms, computer architecture, operating systems, and databases) to create software solutions that meet project-based needs
  • Apply core computer science concepts in the development, testing, and documentation of software units
  • Participates in code reviews with the systems engineers, software architects, and other technical staff
  • Develop, document and support testing of products, systems, or subsystems
  • Work on Static Code analysis tools, triaging and mitigating the results
  • Communicate with users, other technical teams, and senior management to collect requirements, describe software product features, technical designs, and product strategy
  • Ability to complete a technical project independently and manage other engineers
  • Specify and evaluate supplier subsystems and services
  • Document component and subsystem specifications
  • Provide budget, cost, and schedule input for design assignments
  • Support, communicate, reinforce, and defend the mission, values, and culture of the organization
  • Attend appropriate engineering, customer, or business meetings
  • Mentor and coach less-experienced engineers
  • Communicate clearly (written and oral) with manufacturing, supply chain, program management, and the customer as required
Qualifications
  • Bachelor's degree in Computer Science, Computer Engineering or related field
  • 8+ years of industry experience in delivering high-quality, innovative applications and programming experience in C
  • Proven Computer Science fundamentals in embedded development, algorithm design, problem solving, and complexity analysis
  • Experience influencing software engineering best practices within the team
  • Excellent verbal and written communication
  • Detail-oriented, organized, and able to work well in a team environment as well as independently with little day-to-day guidance
Desired Qualifications
  • Experience with running Application Security and Development practices
  • Experience taking a leading role in building complex software systems that have been successfully delivered to customers
  • Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
  • Basic knowledge of network communications and cybersecurity practices
Employment Prerequisites
  • The following requirements must be met to be eligible for this position: successful completion of a background investigation and drug urinalysis.

SOC, a Day & Zimmermann company, is an Equal Opportunity Employer, EOE AA M/F/Vet/Disability.

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