Software Development Engineer X2

Position Title:

Software Development Engineer (Full Stack / Cloud)

Location:

McLean, VA (Onsite)

Clearance Requirements:
Active TS/SCI (U.S. Citizenship required)

Position Status: 6-Month Contract (Possible extension or conversion)

Pay Rate: $80 -$90/hr.

We are seeking a highly skilled Software Development Engineer to join a cutting-edge engineering team within a Chief Technology Office environment. This role focuses on building and scaling a next-generation software-defined platform that supports advanced capabilities such as Physical AI, Edge Computing, Trusted Environments, and autonomous systems across mission-critical domains. In this position, you will have the opportunity to design, build, deploy, and operate secure, always‑on, cloud‑native software services from the ground up.

You will work in a fast‑paced, innovation‑driven environment with significant autonomy and ownership, leveraging modern architectures, open‑source technologies, and generative AI tools. The ideal candidate is a proactive, high‑impact engineer who thrives in complex technical environments and is passionate about delivering resilient, scalable, and secure solutions.

• Design, develop, deploy, and operate high‑availability, production‑grade software applications
• Architect secure, scalable, and high-performance backend systems using modern cloud‑native patterns
• Contribute across the full stack, using languages such as Go, Java, Node.js, or C#
• Build and integrate RESTful APIs and microservices in distributed or serverless architectures
• Work with relational and No
  
  SQL databases including Postgre
  
  SQL, MySQL, Mongo
  
  DB, and DynamoDB
• Implement CI/CD pipelines, automated testing, telemetry, monitoring, and alerting
• Apply best practices for code quality, performance, security, and maintainability
• Integrate generative AI tools to accelerate development and enhance product design
• Collaborate closely with engineers, designers, and product stakeholders from concept to delivery
• Embed security, compliance, and resiliency requirements throughout the development lifecycle
• Clearly communicate technical designs and trade‑offs to both technical and non‑technical audiences

• 5+ years of experience building and operating production‑grade software applications
• 5+ years of hands‑on development experience with Go, Java, Node.js, or C#
• 3+ years of experience with distributed systems, microservices, or serverless architectures in AWS, Azure, or Google Cloud
• 3+ years of experience working with SQL and No
  
  SQL databases
• Strong experience designing and implementing RESTful APIs
• Hands‑on experience with CI/CD tools and modern Dev Ops practices
  
  Solid understanding of authentication, authorization, and secure software design
• Experience using generative AI tools for coding acceleration, automation, or code review
• Bachelor’s degree with 3+ years of relevant experience, or 5+ years of experience in lieu of a degree
• Ability to maintain an active TS/SCI clearance

• Active TS/SCI clearance at time of hire
• Experience developing new applications or enhancing existing platforms
• Exposure to workflow automation and process optimization
• Experience with automated testing frameworks
• Master’s degree in a related field
• AWS Certifications (Cloud Practitioner, Developer Associate, Solutions Architect Associate)

At Seneca Resources, we are more than just a staffing and consulting firm—we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact. When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide.

Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team that advocates for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.