Java Full Stack Developer - Washington, DC

Dice is the leading career destination for tech experts at every stage of their careers. Our client, QTech US Inc, is seeking the following. Apply via Dice today! Job Title: Java Full Stack Developer Location: Washington, DC No C2C, Only W2. Job Overview: Mid to senior full-stack engineers to help build a modern, cloud-based replacement for a legacy enterprise system. Work spans backend (Java/Spring Boot), front-end (Angular), and database (MS SQL Server / Azure SQL) layers, with integration to multiple external systems and data migration from legacy sources. Client-facing role within a hybrid Agile/Waterfall delivery model. Role Responsibilities: Design and build backend services and RESTful APIs using Java and Spring Boot Develop responsive, accessible Angular front-end interfaces meeting WCAG 2.1 Level AA standards Design, write, and optimize relational structures, queries, and stored procedures on MS SQL Server / Azure SQL Integrate with external systems by consuming REST APIs and handling DB-link and CSV-based data exchange Support data migration from legacy sources into the new platform, ensuring data integrity, auditability, and reconciliation Implement security controls: RBAC, MFA, SSO / Active Directory integration, and audit logging Build and deploy services on Azure Support unit, integration, and user acceptance testing (UAT), and timely defect resolution Produce clear technical documentation and communicate effectively with stakeholders Mandatory Skills: Strong hands-on Java with production REST API experience using Spring Boot. Proficiency with Angular for production front-end development. Strong SQL with MS SQL Server and/or Azure SQL: query writing and optimization, schema design, stored procedures (genuine direct-database comfort, not ORM-only). Solid understanding of RESTful integration patterns and API consumption. Familiarity with cloud-based application deployment. Strong spoken and written communication skills. Prior public-sector, government, or regulated-industry project experience. Preferred Skills: Experience with legacy modernization or system-to-cloud migration. Experience With Government Or Other Regulated-industry Cloud Environments. Hands-on WCAG 2.1 Level AA accessibility implementation. Experience integrating with SSO, Active Directory, MFA, and RBAC. Experience with structured data migration and reconciliation. Comfort with hybrid Agile/Waterfall delivery. Must have technical experience in Springboot, Microservices, Angular/react, Azure slong with AKS, CICD. Experience in Rest APIs. And experience in migrations from leagcy systems like mainframes to some cloud like aws. Best Regards, Tarun K Phone: +1- Email: