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Senior Java Backend Developer Jobs in Maryland (NOW HIRING)

Software Technology Inc

Sr. Java Developer

Rockville, MD · On-site

$58.25 - $74.50/hr

Sr. Java Developer Apex Systems is looking for a Sr. Backend Developer to join the leading ... The Sr. Backend developer will be responsible for hands-on software development to build a new ...

Mindgrub

Senior Java API Engineer (contract)

Baltimore, MD · On-site +1

$80 - $90/hr

Position Overview We are seeking a Senior Java API Engineer to support and enhance a REST-based API ... This role focuses on maintaining and improving backend services built using Java and the Micronaut ...

Mindgrub

Senior Java API Engineer (contract)

Baltimore, MD · Remote

$80 - $90/hr

Position Overview We are seeking a Senior Java API Engineer to support and enhance a REST-based API ... This role focuses on maintaining and improving backend services built using Java and the Micronaut ...

Addison Group

Java API Engineer

Baltimore, MD · Remote

$50 - $55/hr

... a Senior Java API Engineer to support and enhance a REST-based API platform that powers native iOS and Android mobile applications. This role focuses on maintaining and improving backend services ...

Addison Group

Java API Engineer

Baltimore, MD · On-site

$50 - $55/hr

... a Senior Java API Engineer to support and enhance a REST-based API platform that powers native iOS and Android mobile applications. This role focuses on maintaining and improving backend services ...

Argyle Infotech

Senior Java Developer

Bethesda, MD · Hybrid

$61.25 - $78.25/hr

Senior Java Developer Location: Bethesda, MD (Hybrid) Client: Marriott Visa: H1B, EAD, GC, USC ... Proficient in full-stack infrastructure, dynamic data handling (JSON, XML, REST APIs), and back-end ...

Argyle Infotech

Senior Java Developer

Bethesda, MD · Hybrid

$61.25 - $78.25/hr

Senior Java Developer Location: Bethesda, MD (Hybrid) Client: Marriott Visa: H1B, EAD, GC, USC ... Proficient in full-stack infrastructure, dynamic data handling (JSON, XML, REST APIs), and back-end ...

Helm Point Solutions

$138.60K - $182.40K/yr

... Agile, DevOps-driven environment. What You'll Do In this role, you will: * Design and develop ... Build and maintain RESTful web services and backend business logic * Develop automated unit ...

Maximus

Senior Back End Developer

Fort George G Meade, MD · On-site

$133.60K - $173.60K/yr

General information Job Posting Title Senior Back End Developer Date Friday, May 1, 2026 City Fort ... Python - Luna - Java - Docker - OpenJDK - Ansible - Packer - Maven - Kubernetes - Red Hat ...

3B Staffing LLC

Sr. Java Developer

Columbia, MD · On-site

$56.25 - $71.75/hr

- Seeking a Java Software Developer, 8 years of exp, to support the FEP Bridge platform (this is a in ... Team is 12. - This is a backend focused position, not much frontend work here. Will take frontend ...

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Senior Java Backend Developer information

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$62.1K

$135.7K

$184.9K

How much do senior java backend developer jobs pay per year?

As of May 28, 2026, the average yearly pay for senior java backend developer in Maryland is $135,719.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,000.00 and $151,900.00 per year, depending on experience, location, and employer.

What is a Senior Java Backend Developer job?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the key skills and qualifications needed to thrive in the Senior Java Backend Developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are the typical daily responsibilities of a Senior Java Backend Developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.
More about Senior Java Backend Developer jobs
What are the most commonly searched types of Java Backend Developer jobs in Maryland? The most popular types of Java Backend Developer jobs in Maryland are:
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What cities in Maryland are hiring for Senior Java Backend Developer jobs? Cities in Maryland with the most Senior Java Backend Developer job openings:
Senior Java Backend Developer jobs near you
Infographic showing various Senior Java Backend Developer job openings in Maryland as of May 2026, with employment types broken down into 55% Full Time, 28% Part Time, and 17% Contract. Highlights an 74% Physical, 4% Hybrid, and 22% Remote job distribution, with an average salary of $135,719 per year, or $65.2 per hour.
Senior Java API Engineer (remote)

Senior Java API Engineer (remote)

System One Holdings, LLC

Baltimore, MD • On-site, Remote

$124.20K - $163.40K/yr

Contractor

Medical, Dental, Vision, Life, Retirement

This job post has expired today. Applications are no longer accepted.

Job description

Job Title: Senior Java API Engineer
Location: Baltimore, MD, OFFSITE
Job Type: 6 months contract + extensions / contract to hire
Contractor Work Model: REMOTE
Time Zone: Ideally, 11am - 8pm EDT, however starting between 9am - 12pm EDT will also be considered
Job Overview
We are seeking a Senior Java API Engineer to support and enhance a REST-based API platform that powers native iOS and Android mobile applications. This role is ideal for engineers who thrive on building and supporting scalable, high-availability backend services using modern Java frameworks, including Micronaut, within a cloud-hosted Azure environment. The work involves solving complex backend challenges, supporting mobile-first architecture, and contributing to systems that demand strong reliability, security, and performance.
In this role, you will have meaningful ownership over critical backend services and the opportunity to influence API evolution, architecture decisions, and system improvements. Engineers are trusted to work independently, apply sound technical judgment, and deliver solutions that have visible, real-world impact for client-facing applications. This position plays a key role in ensuring stability, scalability, and continued growth of mobile application services within a fast-paced consulting environment.
Reports To
The Senior Java API Engineer will report to the Engineering Manager or Technical Lead
Responsibilities and Duties
  • Maintain and enhance Java-based REST APIs that support native mobile applications across iOS and Android platforms.
  • Develop new backend features and integrations while ensuring system reliability, scalability, and performance.
  • Troubleshoot and resolve production issues across application, API, and infrastructure layers.
  • Collaborate with mobile developers, QA engineers, project managers, and client stakeholders to deliver technical solutions aligned with business requirements.
  • Participate in architecture and technical design discussions related to backend services and API development.
  • Monitor application health, identify performance bottlenecks, and implement improvements to optimize system stability.
  • Develop new backend features and integrations using Java and the Micronaut framework while ensuring system reliability, scalability, and performance.
  • Collaborate with client engineering teams to support integrations involving Micronaut-based backend services and enterprise middleware platforms.
  • Contribute to CI/CD processes, deployment activities, and operational best practices within an Azure-hosted environment.
  • Participate in on-call support rotations and assist with incident response and root cause analysis as needed.
  • Write clean, maintainable, and well-documented code following established engineering standards and best practices.
  • Conduct code reviews and provide technical mentorship to other developers on the team.
  • Collaborate with client engineering teams to support integrations involving custom middleware platforms and backend services.
  • Stay informed on emerging backend engineering trends, security practices, and API development standards.

Qualifications
  • Must be a U.S. citizen and currently based in the United States and authorized to work in the U.S. without sponsorship.
  • Bachelor's degree in computer science, Information Systems, Software Engineering, or a related technical field, or equivalent professional experience.
  • 5+ years of professional software engineering experience with a focus on Java backend development.
  • Experience developing and maintaining RESTful APIs in enterprise or production environments.
  • Experience working with cloud-hosted applications, preferably within Microsoft Azure environments.
  • Sound understanding of backend application architecture, API security, authentication, and integration patterns.
  • Experience troubleshooting and supporting distributed applications in production environments.
  • Familiarity with CI/CD pipelines, source control systems, and modern software delivery practices.
  • Experience collaborating with cross-functional teams in Agile or iterative development environments.
  • Experience working with the Micronaut framework or similar modern Java frameworks such as Spring Boot.
  • Must be comfortable working in environments where the use of AI-assisted coding tools may be restricted due to client security or compliance requirements.
  • Ability to communicate effectively with both technical and non-technical stakeholders.
  • Ability to work independently while managing multiple priorities in a consulting or client-services environment.
  • Experience supporting mobile application backend services is strongly preferred.
  • Experience mentoring developers and participating in technical design discussions is preferred.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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