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Java Backend Developer Jobs in Baltimore, MD (NOW HIRING)

Leidos

Senior Java Software Engineer

Annapolis, MD · On-site

$123K - $162K/yr

If you're passionate about backend engineering, modern Java development, scalable architectures, and continuous improvement, you'll find challenging technical work, a collaborative engineering ...

Twenty80 LLC

Java Software Developer

Annapolis, MD · On-site

$150 - $200/hr

Active TS/SCI with Full Scope Polygraph (FSP) Develop powerful APIs, optimize backend SQL databases ... Required Skills * Core Programming: Strong software development experience using Java and ...

Twenty80 LLC

Java Software Developer

Annapolis Junction, MD · On-site

$52 - $67.50/hr

Active TS/SCI with Full Scope Polygraph (FSP) Develop powerful APIs, optimize backend SQL databases ... Required Skills * Core Programming: Strong software development experience using Java and ...

USM

Java Developer - ONLY GC OR USC OR EAD

Owings Mills, MD · On-site

$49 - $63.50/hr

Java Developer - ONLY GC OR USC OR EAD Owing Mills, MD Top Three Skills: 1. JAVA/J2EE - Senior ... Development experience in backend and web services development is preferred. Must understand how ...

Peraton

Mid Java Developer

Columbia, MD

$80K - $128K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a credentialing/case management system using Java/Spring-based REST APIs along with a Web 2.0 framework in a ...

Peraton

Mid Java Developer

Columbia, MD

$80K - $128K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a credentialing/case management system using Java/Spring-based REST APIs along with a Web 2.0 framework in a ...

Peraton

Mid Java Developer

Columbia, MD · On-site

$80K - $128K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a credentialing/case management system using Java/Spring-based REST APIs along with a Web 2.0 framework in a ...

Reflexive Concepts

Software Engineer II

Annapolis, MD · On-site

$96K - $132K/yr

We are seeking a backend developer with hands-on experience in developing and executing test ... Java, C++, or Python * Relational databases (e.g., PostgreSQL) * SQL

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Java Backend Developer information

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How much do java backend developer jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for java backend developer in Baltimore, MD is $54.28, according to ZipRecruiter salary data. Most workers in this role earn between $48.27 and $62.60 per hour, depending on experience, location, and employer.

What does a Java backend developer do?

A Java Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs of web applications using the Java programming language. They ensure that data is properly stored, retrieved, and processed while integrating with the frontend systems. Java Backend Developers also work on optimizing application performance, implementing security measures, and collaborating with other developers to deliver robust software solutions.

What are some common challenges Java backend developers face when working on large-scale enterprise applications?

Java Backend Developers working on large-scale enterprise applications often encounter challenges such as ensuring application scalability, managing complex codebases, and optimizing system performance under heavy loads. Collaborating across teams to integrate with front-end services and external APIs can require strong communication and problem-solving skills. Additionally, maintaining high code quality while delivering new features quickly often means balancing technical debt with innovation. Regular code reviews and adopting best practices in software architecture help address these challenges.

What are the key skills and qualifications needed to thrive as a Java backend developer, and why are they important?

To thrive as a Java Backend Developer, you need strong proficiency in Java programming, knowledge of data structures and algorithms, and experience with backend frameworks such as Spring or Hibernate, often supported by a degree in computer science or a related field. Familiarity with relational databases (like MySQL or PostgreSQL), RESTful API development, version control systems (such as Git), and build tools (like Maven or Gradle) is typically required, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving skills, attention to detail, and effective communication are crucial soft skills for collaborating with teams and troubleshooting complex systems. These capabilities ensure robust, scalable, and maintainable backend solutions that meet business requirements and support seamless application performance.

What are the most commonly searched types of Java Backend Developer jobs in Baltimore, MD?

The most popular types of Java Backend Developer jobs in Baltimore, MD are:

What are popular job titles related to Java Backend Developer jobs in Baltimore, MD?

For Java Backend Developer jobs in Baltimore, MD, the most frequently searched job titles are:

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Java Backend Developer jobs near you
Infographic showing various Java Backend Developer job openings in Baltimore, MD as of August 2026, with employment types broken down into 82% Full Time, 6% Part Time, and 12% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $112,904 per year, or $54.3 per hour.

Senior Java Software Engineer

Annapolis, MD • On-site

Leidos
IT Services • 10K+ employees
Learn more about Leidosexternal

$123K - $162K/yr

Full-time

Retirement, PTO

Re-posted 10 days ago

Key responsibilities

  • Design, develop, test, and maintain enterprise Java applications using Spring Boot and modern software engineering best practices.

  • Develop scalable RESTful APIs and backend services supporting mission-critical applications and high-performance enterprise systems.

  • Support application modernization initiatives through containerization, Kubernetes deployments, and continuous improvements to system architecture.

Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

81st of 500 rated business services

Job description

Leidos has a new and exciting opportunity for a Senior Java Software Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!
Job Summary
Build scalable Spring Boot applications, deploy to Kubernetes, and help modernize mission-critical Intelligence systems supporting national security.
Leidos is seeking a Java Software Engineer to join an Agile development team responsible for enhancing and modernizing a mission-critical enterprise application. You'll help evolve a high-performance Java platform that processes large volumes of operational data while transitioning to a modern, containerized architecture.
Working alongside experienced software engineers, you'll develop Spring Boot services, build RESTful APIs, optimize relational databases, and contribute to Kubernetes deployments and CI/CD automation. This is an opportunity to work across the full software development lifecycle, influence technical direction, and deliver software that directly supports critical Intelligence missions.
If you're passionate about backend engineering, modern Java development, scalable architectures, and continuous improvement, you'll find challenging technical work, a collaborative engineering culture, and the opportunity to make a meaningful impact.
Primary Responsibilities
  • Design, develop, test, and maintain enterprise Java applications using Spring Boot and modern software engineering best practices.
  • Develop scalable RESTful APIs and backend services supporting mission-critical applications and high-performance enterprise systems.
  • Design, optimize, and troubleshoot relational database solutions using MariaDB and other enterprise database technologies.
  • Support application modernization initiatives through containerization, Kubernetes deployments, and continuous improvements to system architecture.
  • Participate in technical design sessions, architecture discussions, code reviews, troubleshooting, and Agile software development activities.
  • Develop and maintain automated testing solutions and GitLab CI/CD pipelines to improve software quality, deployment efficiency, and operational reliability.
  • Collaborate with cross-functional engineering teams using Jira and Confluence while supporting the complete software development lifecycle.

Basic Qualifications
  • Bachelor's degree in Computer Science or a related technical discipline from an accredited college or university. Candidates without Bachelors degrees will require an additional 4 years of software engineering experience.
  • Minimum of twelve (12) years of software engineering experience on programs and contracts of similar scope, type, and complexity.
  • Experience developing Java enterprise applications using Spring Boot or similar modern frameworks.
  • Experience developing RESTful APIs and working with relational databases such as MariaDB, PostgreSQL, Oracle, or similar technologies.
  • Experience with container technologies (Docker or Podman), Kubernetes, or other modern application deployment platforms.
  • Experience working in Agile development environments using Git-based source control, CI/CD pipelines, and automated testing practices.
  • Security Clearance Requirement: Active TS/SCI with Polygraph.

Preferred Qualifications
  • Experience developing Angular or other modern web applications.
  • Experience with microservices architecture, application modernization, or cloud-native software development.
  • Experience implementing GitLab CI/CD pipelines and DevSecOps best practices.
  • Experience tuning SQL performance and supporting high-volume enterprise applications.
  • Experience using Jira and Confluence to support Agile software development.
  • Strong troubleshooting, debugging, and problem-solving skills across application, database, and deployment technologies.
  • Experience supporting enterprise software within secure or classified environments.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you-apply today!
conmd
KQW
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:
July 31, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $131,300.00 - $237,350.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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