Senior Java Backend Engineer | Spring Boot & Cloud

Worky; Chantilly (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

NS2 Mission in Chantilly, VA seeks a Senior Software Developer to design, develop, and enhance enterprise Java applications in a collaborative Agile team.

You will build scalable back-end services with Spring Boot, design RESTful APIs, and implement data solutions while working with UI/UX and product stakeholders to deliver mission-critical capabilities. A TS/SCI clearance is preferred. U.S. citizenship required for many roles.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline.
• Around 6–10 years of professional software development experience.
• Strong experience developing enterprise applications using Java.
• Experience with Spring Boot or similar Java application frameworks.
• Experience designing and consuming RESTful APIs.
• Experience working with relational databases such as Oracle, PostgreSQL, SQL Server, or MySQL.
• Experience developing front-end applications using JavaScript and Angular.
• Experience working in Linux/Unix development environments.
• Familiarity with Git, version control, Agile methodologies, and modern software development practices.
• Strong analytical, debugging, and problem-solving skills with the ability to work both independently and collaboratively.

Responsibilities

• Design, develop, and maintain enterprise software applications using Java and modern development frameworks.
• Build scalable backend services and APIs using Java and Spring Boot to support mission-critical capabilities.
• Develop and integrate RESTful web services that enable communication across distributed systems and applications.
• Design, develop, and optimize database solutions using SQL and relational database technologies.
• Develop user-facing functionality using JavaScript and Angular while collaborating with UI/UX and backend development teams.
• Work closely with systems engineers, architects, and product stakeholders to translate functional requirements into technical solutions.
• Troubleshoot software defects, improve application performance and implement enhancements that increase system reliability and maintainability.
• Participate in Agile ceremonies, peer code reviews, technical design discussions, and sprint planning activities.
• Support software testing, deployment, and sustainment efforts while contributing to CI/CD and automation initiatives.
• Stay current with emerging technologies and software engineering best practices to continuously improve development processes and application quality.

Skills

Java

Spring Boot

RESTful APIs

Relational databases

JavaScript

Angular

Linux/Unix

Git

Agile methodologies

CI/CD

Docker

Kubernetes

AWS

Education

Bachelor's degree in Computer Science or related field

Tools

Maven/Gradle

Job description

NS2 Mission in Chantilly, VA seeks a Senior Software Developer to design, develop, and enhance enterprise Java applications in a collaborative Agile team.

You will build scalable back-end services with Spring Boot, design RESTful APIs, and implement data solutions while working with UI/UX and product stakeholders to deliver mission-critical capabilities. A TS/SCI clearance is preferred. U.S. citizenship required for many roles.