Senior Full Stack Engineer (Heavy Backend ​/ AI-Assisted) - McLean, VA (Onsite

Senior Full Stack Engineer (Heavy Backend / AI-Assisted)

Location:

McLean, VA Position Type:
Contract (08-17-2026 to 12-31-2026) Rate: DOE

Required Experience & Education

• 5-7+ years of professional software development experience.
• Strong analytical skills.
• Ability to reason with and communicate ideas they bring to the table.
• Open minded for others' ideas. A motivated team player.
• Experience using at least one Coding Agent enabled IDE (e.g. VSCode, Amazon Kiro)
• Experience working with AI Coding Agents (e.g. Claude Code, Codex)

Strong proficiency Databases

• Very good understanding of RDBMS (e.g. MS SQL or PostgreSQL).
• Write advanced SQL queries (thorough understanding of JOINs).
• Performance tuning of SQLs.

Strong proficiency in below programming tools, languages & Frameworks

• Proficiency working with Docker containers.
• Understanding of the use of containers in the development process.
• Understanding of application lifecycle management.
• Ability to use a CI/CD pipeline (e.g. JIRA, Jenkins) to deploy applications.
• Java 8 (or above), I/O, Multithreading, Collections, Generics, Lambda
• REST API Web Services, GraphQL API query language.
• Spring Core, MVC, Spring Boot, Spring Security, Spring Data (JPA), Dependency Injection, DAO (Data Access Object), JTA, JDBC
• HTML, JavaScript, CSS, jQuery, Angular 9 or above.
• Apache Tomcat, Jetty Server.
• Maven, Gradle, Junit/ Mockito, Cucumber.
• Design Patterns like MVC, Singleton, Session, Facade, Factory, DAO (Data Access Object), DTO
• XML technologies and XML parsers.
• JSON technologies
• ORM framework – Hibernate
• Streaming technology - Kafka
• AWS EKS

Be able to perform following Responsibilities:

• End-to-end software development - including analysis, planning, architecture, design, development, automated testing, deployment, and maintenance using industry best practices and security standards.
• Performance optimization - analyze system performance, identify bottlenecks, and implement solutions to enhance application efficiency and scalability.
• Collaborative solution delivery - partner with business stakeholders to gather requirements, leverage proof of concepts for technical decisions, and implement solutions with cross functional teams.
• Production support and maintenance - support applications across environments, resolve critical issues, and fulfill ad-hoc requests to ensure seamless business operations.