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Senior Java Software Developer Jobs in Washington, DC

Synergy ECP

Senior Java Software Engineer

Columbia, MD · On-site

$121K - $160K/yr

They are seeking an experienced Software Engineer with strong expertise in Java development and Linux environments to support enterprise-grade, high-performance applications in distributed computing ...

Twenty80 LLC

Java Software Developer

Annapolis, MD · On-site

$140 - $190/hr

Required Skills * Core Programming: Strong software development experience using Java and ... Senior Level * 14+ years of experience with a technical degree, or * 18+ years of experience ...

BTree Solutions, Inc.

SR. JAVA DEVELOPER

Mclean, VA · On-site

$58.25 - $74.25/hr

Job Title: SR. JAVA DEVELOPER Location: Mclean,VA Duration: 12+ Months Visa: USC, GC, H1B and EAD ... Java software development experience * A strong understanding in Java language, Java 8+ standard ...

Maxiom Technology

Senior Java Developer

Ashburn, VA · On-site

$58.50 - $74.75/hr

We are looking for a Senior Java Developer to manage the software development life cycle, from planning and prioritizing to testing and release and help with the migration of a COBOL app to Java.

Synergy ECP

Senior Java Software Engineer

Columbia, MD · On-site

$250K/yr

Software Engineer - Java & Linux We are seeking an experienced Software Engineer with strong expertise in Java development and Linux environments to support enterprise-grade, high-performance ...

Synergy ECP

Senior Java Software Engineer

Columbia, MD · On-site

$250K/yr

Software Engineer - Java & Linux We are seeking an experienced Software Engineer with strong expertise in Java development and Linux environments to support enterprise-grade, high-performance ...

Navtech, Inc.

Sr Java Software Engineer

Rockville, MD · On-site

$127K - $167K/yr

Senior Software Engineer Location : Rockville MD (remote until Jan 2022) Duration : 6 Months CTH ... Full stack developer with hands-on experience with backend, frontend and database technologies.

Navtech, Inc.

Senior Java Software Engineer

Rockville, MD · On-site

$127K - $167K/yr

Senior Software Engineer Location : Rockville MD (remote until Covid-19) Duration : 6 Months CTH ... Full stack developer with hands-on experience with backend, frontend and database technologies.

Navtech, Inc.

Senior Java Software Engineer

Rockville, MD · On-site

$127K - $167K/yr

Senior Software Engineer Location : Rockville MD (remote until Covid-19) Duration : 6 Months CTH ... Full stack developer with hands-on experience with backend, frontend and database technologies.

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Senior Java Software Developer information

See Washington, DC salary details

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How much do senior java software developer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for senior java software developer in Washington, DC is $70.89, according to ZipRecruiter salary data. Most workers in this role earn between $62.12 and $79.18 per hour, depending on experience, location, and employer.

What is a senior Java software developer?

A Senior Java Software Developer is an experienced professional responsible for designing, developing, and maintaining complex software applications using the Java programming language. They typically lead development teams, mentor junior developers, and contribute to architectural decisions. Senior Java Developers are expected to have a deep understanding of Java frameworks, best coding practices, and software development methodologies. They also collaborate with stakeholders to deliver robust, scalable, and efficient software solutions.

What are the key skills and qualifications needed to thrive as a senior Java software developer?

To thrive as a Senior Java Software Developer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and experience with frameworks like Spring, typically backed by a bachelor's degree in computer science or a related field. Familiarity with tools such as Git, Maven, Jenkins, and cloud platforms, along with relevant certifications like Oracle Certified Professional Java SE, is often required. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These skills ensure the delivery of robust, scalable software solutions and foster innovation within development teams.

What are some common challenges senior Java software developers face when leading projects, and how can they effectively address them?

Senior Java Software Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members, managing project timelines, and ensuring code quality across large, distributed systems. To address these, it’s crucial to establish clear communication channels, implement robust code review processes, and leverage agile methodologies for project management. Additionally, staying up-to-date with the latest Java frameworks and best practices helps in making informed architectural decisions and streamlining development workflows.

What is the difference between Senior Java Software Developer vs Java Software Engineer?

AspectSenior Java Software DeveloperJava Software Engineer
Required CredentialsBachelor's degree in Computer Science or related field; extensive Java experience; certifications like Oracle Java CertificationBachelor's degree in Computer Science or related field; Java programming skills; certifications are common but not mandatory
Work EnvironmentDevelops complex applications, mentors junior staff, leads projectsDesigns and develops Java applications, collaborates with teams, implements features
Employer & Industry UsageUsed across tech companies, finance, healthcare, and enterprise sectorsCommon in software development firms, IT departments, and tech startups

The main difference between a Senior Java Software Developer and a Java Software Engineer lies in experience level and responsibilities. Senior developers often lead projects and mentor others, while Java Software Engineers focus on designing and implementing Java applications. Both roles require strong Java skills and similar educational backgrounds, but seniority involves additional leadership and project management duties.

Senior Java Software Developer jobs near you
Infographic showing various Senior Java Software Developer job openings in Washington, DC as of August 2026, with employment types broken down into 79% Full Time, 18% Part Time, and 3% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $148,021 per year, or $71.2 per hour.

Senior Java Software Engineer

Synergy ECP

Columbia, MD • On-site

$121K - $160K/yr

Full-time

Re-posted 10 days ago

Job description

Job Summary:
Synergy ECP is a leading provider of cybersecurity, software and systems engineering, and IT services to the U.S. intelligence and defense communities. They are seeking an experienced Software Engineer with strong expertise in Java development and Linux environments to support enterprise-grade, high-performance applications in distributed computing environments.
Responsibilities:
• Strong experience with enterprise/server-side Java development
• Experience with the Spring Framework and Dependency Injection
• Experience developing applications in high-performance, multi-threaded, distributed computing environments
• Strong proficiency working in Linux-based development environments
• Experience using: Git, Maven, Gradle
• Experience developing analytics using: Apache Hadoop, HDFS, MapReduce
• Experience designing and developing applications with: Apache Accumulo, Similar NoSQL databases
• Experience processing: Large datasets, High-volume data ingest pipelines
• Experience monitoring, maintaining, and troubleshooting: Apache Accumulo, Apache Hadoop, Apache Zookeeper deployments
Qualifications:
Required:
• Strong experience with enterprise/server-side Java development
• Experience with the Spring Framework and Dependency Injection
• Experience developing applications in high-performance, multi-threaded, distributed computing environments
• Strong proficiency working in Linux-based development environments
• Experience using: Git, Maven, Gradle
• 8+ years with a technical degree
• 12+ years without a technical degree
• TS/SCI w/ Polygraph
• U.S. Citizenship
Preferred:
• Experience developing analytics using: Apache Hadoop, HDFS, MapReduce
• Experience designing and developing applications with: Apache Accumulo, Similar NoSQL databases
• Experience processing: Large datasets, High-volume data ingest pipelines
• Experience monitoring, maintaining, and troubleshooting: Apache Accumulo, Apache Hadoop, Apache Zookeeper deployments
Company:
Synergy ECP deals with cybersecurity, information technology, procurement support, project management and financial analysis. Founded in 2007, the company is headquartered in Columbia, USA, with a team of 201-500 employees. The company is currently Growth Stage.

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