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Senior Java Developer

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Jobs via Dice
Job Type   /   Job Level
Full-time   /   Others/Any
Job Location
Greenbelt, MD
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Overview

We are seeking a highly experienced Senior Java Developer to design, develop, and maintain enterprise-level web applications supporting the NASA SEWP Program Management Office. This role involves working closely with cross-functional IT teams to deliver scalable, high-performance applications within a fast-paced, agile environment.

Key Responsibilities

Design, develop, and deploy new Java-based web applications supporting the NASA SEWP program

Maintain and enhance existing applications with a focus on performance, scalability, and usability

Participate in full Software Development Life Cycle (SDLC) including requirements analysis, development, testing, and deployment

Conduct code reviews and ensure adherence to coding standards and best practices

Perform unit, integration, regression, and performance testing to maintain software quality

Collaborate with developers, DBAs, system administrators, and business stakeholders

Develop and maintain technical documentation (system architecture, interfaces, and workflows)

Troubleshoot and resolve technical issues; escalate when necessary

Support application deployments and provide after-hours/on-call support when required

Deliver Level II technical support via phone, email, and ticketing systems (e.g., ServiceNow)

Required Qualifications

10+ years of experience in Java web application development

5+ years of experience working with Oracle databases and writing complex SQL queries

Strong experience with Java, J2EE, and web-based application development

Preferred Skills

Experience with JSP, Spring Framework, and RESTful APIs

Proficiency in HTML, CSS, JavaScript, JSON, and XML

Familiarity with tools and technologies such as:

JBoss / Application servers

Hibernate or MyBatis

Maven build tools

Git version control

AJAX-based web applications

Understanding of Agile development methodologies
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