Senior Java Software Engineer — TS/SCI with Polygraph

Nissint Technologies, LLC; Maryland; On-site; USD 180,000 - 240,000; Full time

Job summary

Nissint Technologies, LLC in Maryland is seeking a Principal Software Engineer with an active TS/SCI clearance with Polygraph to join a distributed, microservices-based full-stack application.

The role focuses on backend services built with Java and Spring Boot and frontend interfaces using Angular. You will implement RESTful APIs, troubleshoot distributed systems, and collaborate with mission analysts and other developers to deliver reliable software capabilities.

Qualifications

• Active TS/SCI clearance with Polygraph.
• 20+ years of software engineering experience.
• Bachelor's degree required, or +4 years of substitution for degree.

Responsibilities

• Develop and maintain features for a distributed full-stack application.
• Implement RESTful APIs and integrate services across microservices.
• Collaborate with mission analysts and developers to deliver timely, reliable software.

Skills

Java

Spring/Spring Boot

REST API development

Angular 14+/TypeScript

Microservices

Education

Bachelor's degree

Tools

Docker

Kubernetes

AWS

Jira

GitLab CI

MongoDB

Elasticsearch

Maven

SSH

Job description

Nissint Technologies, LLC in Maryland is seeking a Principal Software Engineer with an active TS/SCI clearance with Polygraph to join a distributed, microservices-based full-stack application.

The role focuses on backend services built with Java and Spring Boot and frontend interfaces using Angular. You will implement RESTful APIs, troubleshoot distributed systems, and collaborate with mission analysts and other developers to deliver reliable software capabilities.