Senior Software Full Stack Engineer

ZipStaff•McLean, VA

2d•Onsite

About The Position

ZipStaff is seeking an experienced Senior Software Development Engineer to join the chief technology office engineering team at a global technology consulting and professional services firm. The role focuses on building a Software-Defined Everything (SDE) platform supporting Physical AI, Edge, Trusted Environments, and other applications across mission domains. The engineer will design, develop, deploy, and operate highly available software products with robust monitoring, alerting, and fault-tolerant capabilities, integrating agentic AI at their core. The position offers autonomy and ownership in internal platform development. The engineer will develop full-stack and backend applications, collaborate with designers, product managers, and engineers, and integrate services with relational and NoSQL databases. The role also involves generative AI-assisted development, security and compliance, CI/CD, telemetry, canary deployments, and automated testing. This is an on-site contract position in McLean, Virginia, with employment through ZipStaff on a W2 basis; C2C and 1099 arrangements are not accepted.

Requirements

5+ years of experience building and operating production-grade full-stack applications in cloud environments such as AWS.
5+ years of experience with Go, Java, Node.js, or C# development.
3+ years of experience in distributed architectures using microservices or serverless in AWS, Google, or Azure Cloud.
3+ years of experience with SQL and NoSQL databases.
Experience designing and implementing RESTful APIs and microservices.
Experience setting up and maintaining CI/CD pipelines.
Knowledge of authentication, authorization, and security best practices.
Experience using generative AI tools to accelerate development, automate coding tasks, and review AI-generated code.
Ability to obtain a TS/SCI clearance.
Bachelor’s degree and 3+ years of software engineering experience, or 5+ years of software engineering experience in lieu of a degree.
Ability to work on-site in McLean, Virginia.

Nice To Haves

Experience writing source code for new applications or generating and enhancing code samples for existing applications.
Experience acquiring client requirements and resolving workflow problems through automation optimization.
Ability to work with automated testing tools to perform testing and maintenance.
Active or prior TS/SCI clearance.
Master’s degree.
AWS certifications such as Cloud Practitioner, Developer Associate, or Solutions Architect Associate.
Prior experience supporting platform or mission-oriented software development in a consulting or professional services environment.

Responsibilities

Design and develop software products that meet user needs and market demands.
Apply engineering principles to construct and maintain efficient, bug-free software systems.
Collaborate with designers, product managers, and other engineers to bring products from concept to launch.
Architect secure, scalable, and high-performance backend applications.
Develop both front-end and back-end software using languages such as Go, Node.js, Java, or C#.
Integrate backend services with relational and NoSQL databases, including PostgreSQL, MySQL, MongoDB, and DynamoDB.
Write clean, efficient, testable code following best practices for performance, maintainability, and security.
Integrate generative AI tools to accelerate development and enhance product design.
Communicate design decisions and technical trade-offs to technical and non-technical stakeholders.
Keep abreast of industry trends and contribute to innovation and technical excellence.
Embed security checks and compliance requirements into development processes.
Implement best practices for CI/CD deployments, telemetry, canaries, and automated testing.
Design, develop, deploy, and operate highly available software products with monitoring, alerting, and fault-tolerant capabilities.