Full-Stack Java Engineer – Cloud, APIs, Agile (DC Metro)

C Mack Solutions LLC; Ashburn (VA); On-site; USD 75,000 - 155,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Retirement savings plans

Paid time off

Job summary

Paylocity is seeking a Java Software Engineer to design, develop, and enhance applications for a high-impact Federal program. The role spans front-end and back-end work, including API integration, cloud services, and complex data systems within an Agile team.

You will contribute to secure, scalable, and high-performance systems, with emphasis on full-stack development, testing, and documentation. Candidates must reside in the DC/MD/VA area and meet clearance requirements.

Qualifications

• Bachelor’s degree with 5+ years of software development experience.
• Experience delivering secure, scalable, high-performance applications.

Responsibilities

• Design, develop, and implement software applications using JavaScript.
• Collaborate with IT infrastructure teams to integrate APIs and enhance system performance.
• Write clean, maintainable code and conduct thorough testing to ensure software reliability.
• Troubleshoot and resolve software defects and performance issues in a timely manner.
• Participate in code reviews and provide constructive feedback to peers.
• Document software specifications, design processes, and user guides for future reference.
• Stay updated on industry trends and emerging technologies to continuously improve skills and knowledge.

Skills

Java

JavaScript

Angular

HTML5

jQuery

REST

SOAP

AWS

Spring Framework

Gradle/Maven

Education

Bachelor’s degree in Computer Science or related field

Tools

Angular

Spring Framework

Gradle

Maven

Selenium

JUnit

Cucumber

Jenkins

AWS

Job description

Description

TheJava Software Engineer must be able to design, develop, enhance, debug, and implement software in an Agile environment. Resources will be members of highly effective Agile teams that create and support applications for a high-impact Federal program supporting homeland security. This role requires full stack development capabilities across a diverse technology stack, with work spanning both front-end interfaces and back-end services, including integration with APIs, cloud platforms, and complex data systems.

Responsibilities:

• Design, develop, and implement software applications using JavaScript.
• Collaborate with IT infrastructure teams to integrate APIs and enhance system performance.
• Write clean, maintainable code and conduct thorough testing to ensure software reliability.
• Troubleshoot and resolve software defects and performance issues in a timely manner.
• Participate in code reviews and provide constructive feedback to peers.
• Document software specifications, design processes, and user guides for future reference.
• Stay updated on industry trends and emerging technologies to continuously improve skills and knowledge.

Requirements

You must live within the DC, MD, VA area.

U.S. Citizenship is required. Candidate must be able to obtain CBP Public Trust clearance.

• Bachelor’s degree plus at least 5 years of work experience
• Demonstrated ability to develop and maintain secure, scalable, and high-performance applications
• Support back-end services and mission-critical business logic using Java and related frameworks
• At least 4 years of experience developing Java applications and associated frameworks
• At least 4 year of development experience using JavaScript and/or JavaScript frameworks such as Angular
• At least 3 years of experience working in a story-based Agile team development environment using JIRA or a similar tool
• Strong database skills
• Experience with REST and/or SOAP based APIs consumption and creation
• Experience working with JavaScript, HTML5, and/or jQuery
• Cloud Experience
• Strong communication skills, both verbal and written

Preferred Skills and Experience:

• Full stack development using the Spring Framework
• Automated testing with Selenium, JUnit, Cucumber, etc
• Build automation with Gradle or Maven
• DevOps and Continuous Delivery tools – such as Harness and Jenkins
• Experience with AWS
• Experience using generative AI code assist technologies

Work Location: This position is limited to candidates residing in U.S. states where the company is currently registered to employ team members.

Salary Range: $75,000 – $155,000 annually

This position may be filled at the Entry, Mid, Senior, or SME level based on the selected candidate’s qualifications and experience. Final compensation will be determined based on level alignment, experience, education, and internal equity.

Benefits: In addition to base compensation, this position is eligible for company-sponsored benefits, which may include medical, dental, and vision insurance, retirement savings plans, paid time off, and other supplemental programs.