Senior Full Stack Developer

McLean, VA Contract Mar 23, 2026 Senior Full Stack Developer - 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. Basic Qualifications: 5+ years’ experience in design, development, integration and automated testing of software solutions based on Java, Spring, SQL and related technologies. Proficiency in Java 8+, Spring (Boot, MVC, Security, Data/JPA), REST APIs, microservices, multithreading with modern Java features (Streams, Lambda, Collections) required. 5+ years of experience with relational databases like MS SQL Server, DB2, and PostgreSQL. Advanced SQL knowledge and experience is a must for this position. Strong Database & Infrastructure RDBMS knowledge, advanced SQL skills, data modeling skills required. 3+ years of experience with managing, building, and deploying code using tools including Eclipse/IntelliJ, GIT, Maven/Gradle, Docker, and Jenkins. 3+ years of experience designing and executing JUnit test cases using Mockito framework based on business requirements and functional specifications. 3+ years of experience in supporting end-to-end lifecycle of a product or change - from inception to delivery to Production, data migration, and subsequent production support. Experience working in Agile. Bachelor’s degree in computer science or related field. Desired skills: AWS, Python, Angular, Snowflake Data platform Keys to Success: Adaptability: Quick learner who seamlessly adapts to new technologies and project requirements while consistently delivering high-quality results. Problem-Solving: Strong analytical skills with proven ability to rapidly assess complex situations, make sound technical decisions, and implement effective solutions under pressure. Ownership & Drive: Self-motivated engineer who takes complete ownership of deliverables, proactively identifies process improvements, and ensures successful project completion. Communication: Excellent interpersonal skills enabling clear, effective communication across all stakeholders - from technical teams to leadership and external partners. Resilience: Excels in dynamic environments with shifting priorities, aggressive deadlines, and 24/7 support requirements while maintaining exceptional code quality.