Senior Software Engineer (TS/SCI with Polygraph)

Yellow Duck Technologies Inc.

• $130K — $155K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance with polygraph required.
  • Bachelor's degree in Computer Science, Engineering, or related field; 4 additional years of experience may substitute.
  • 10+ years of software development experience required.
  • Expertise in multiple programming languages (Python, Java, Go, etc.).
  • Deep understanding of microservices, containerization, and orchestration essential.
  • Extensive experience with DevSecOps practices and toolchains necessary.
  • Strong knowledge of software design patterns and architectural principles required.

Responsibilities

  • Lead design and implementation of complex software features.
  • Architect technical solutions in line with system design principles.
  • Mentor and guide junior engineers in development practices.
  • Conduct thorough code reviews to uphold quality and security standards.
  • Implement and optimize DevSecOps automation processes.
  • Design and develop scalable microservices architectures.
  • Lead discussions on technical strategy and architecture decisions.

Benefits

  • Professional development opportunities and mentoring.
  • Engagement in SAFe Program-level activities.
  • Collaboration with cross-functional teams.
  • Opportunity to work on mission-critical software systems.
Full Job Description
Yellow Duck Technologies is seeking a cleared Senior Software Engineer to lead the design, development, testing, and deployment of complex software systems for mission-critical operations. This position applies advanced software engineering principles and SAFe Agile methodologies to deliver scalable, secure, and high-performance applications. The Senior Engineer collaborates with cross-functional teams, mentors junior developers, and ensures software solutions meet stringent technical, functional, and security requirements.

Responsibilities:
  • Lead design and implementation of complex software features.
  • Architect technical solutions that align with system design principles.
  • Mentor and guide less experienced engineers.
  • Conduct thorough code reviews ensuring quality and security standards.
  • Implement and optimize DevSecOps automation.
  • Design and develop scalable microservices architectures.
  • Lead technical discussions and architecture decisions.
  • Troubleshoot complex technical issues across the stack.
  • Participate in and contribute to SAFe Program-level activities.
  • Support third-party code reviews and security assessments.

Requirements:
  • Must have an active TS/SCI clearance with polygraph.
  • Bachelor's degree in Computer Science, Engineering, or related field. An additional 4 years of experience may substitute for a Bachelor's degree.
  • 10+ years of software development experience.
  • Expert-level proficiency in multiple programming languages (Python, Java, Go, etc.).
  • Deep understanding of microservices, containerization, and orchestration.
  • Extensive experience with DevSecOps practices and toolchains.
  • Strong knowledge of software design patterns and architectural principles.
  • Experience with distributed systems and message queuing (Kafka, NATS, RabbitMQ).
  • Proficiency in database technologies (PostgreSQL, Redis, Elasticsearch).
  • Demonstrated ability to lead technical implementations.

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