Senior Java Full-Stack Developer | TS/SCI Clearance

Synergyecp; Washington (District of Columbia); On-site; USD 125,000 - 155,000; Full time

Job summary

NetServices (NSI) seeks a Senior Java Full Stack Developer to join an agile software team. You will design and implement backend APIs with Java and Spring Boot, build secure UIs with React, and work with PostgreSQL schemas to scale systems.

This role requires a U.S. Citizenship and an active TS/SCI clearance; Washington, DC area on-site work is expected. The team emphasizes secure software practices, CI/CD, and collaboration across stakeholders.

Qualifications

• Strong UI design and development using React, JavaScript, CSS.
• Experience with Java, Spring Framework/Security 6+, Spring Boot 3+, Hibernate 6+.
• Experience with SQL/PLSQL, PostgreSQL, RESTful APIs, Maven, Git/GitLab.
• Experience with AWS (S3, EC2, ECS, Aurora, CloudWatch), Keycloak, Kubernetes, Docker.
• Experience with Agile, Scrum, and Kanban.
• Experience with Jira and Confluence.
• CI/CD automation experience.
• Excellent analytical and documentation skills.
• Strong planning, organizational and time management.
• Self-motivated with initiative.

Responsibilities

• Provide full-stack design and development support using Java, Spring MVC, Spring Security, Spring Boot, React, and PostgreSQL.
• Implement normalized PostgreSQL schemas and entity relationships supporting system scalability.
• Develop and maintain secure RESTful APIs for data access and integration.
• Support and document data migration efforts, ensuring integrity and consistency between legacy and new systems.
• Plan and execute application deployments, version control, and CI/CD pipelines.
• Assist in supporting all aspects of the project to include all phases of the life cycle development.
• Ensure compliance with 508 accessibility, enterprise security practices, and other practices as needed.

Skills

UI Design

Java

Spring Framework

Spring Boot

Hibernate

SQL/PLSQL

PostgreSQL

REST APIs

Maven

Git/GitLab

AWS

Keycloak

Kubernetes

Docker

Agile Scrum Kanban

Jira/Confluence

CI/CD

Documentation

Analytical thinking

Time management

Self-motivation

Education

CS degree

Tools

Jira

Confluence

GitLab

PostgreSQL tooling

Job description

NetServices (NSI) seeks a Senior Java Full Stack Developer to join an agile software team. You will design and implement backend APIs with Java and Spring Boot, build secure UIs with React, and work with PostgreSQL schemas to scale systems.

This role requires a U.S. Citizenship and an active TS/SCI clearance; Washington, DC area on-site work is expected. The team emphasizes secure software practices, CI/CD, and collaboration across stakeholders.