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Java Software Engineer Contract Jobs in San Marcos, CA

Software Engineer *Must have an active TS/SCI Polygraph on Day One. No exceptions.* In this ... Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript ...

Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript ... Experience in software development on Agile teams using Agile Developer practices such as Pair ...

Sr. Java Applications Engineer

San Diego, CA · On-site

$60.75 - $77.50/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... software (preferably Backend Services and API) development 2 years of additional relevant ...

Preferred Qualifications: • Active TOP SECRET clearance • 3+ years of work experience with programming language such as C, C++, Java, Python • 3+ years of embedded software engineering or ...

Preferred Qualifications: • Active TOP SECRET clearance • 3+ years of work experience with programming language such as C, C++, Java, Python • 3+ years of embedded software engineering or ...

Preferred Qualifications: • Active TOP SECRET clearance • 3+ years of work experience with programming language such as C, C++, Java, Python • 3+ years of embedded software engineering or ...

SR. JEE Software Engineer

San Diego, CA

$132K - $174K/yr

... Java Script libraries such as JQuery and EXT JS Understanding of MVC, MVP and similar design ... engineering knowledge Create the best software of your life Work in a Behavior/Test Driven ...

#Senior Sensors Software Engineer

San Diego, CA · On-site

$130K - $171K/yr

As a Qualcomm Software Engineer, you will design, develop, create, modify, and validate embedded ... Programming experience with Java, Python, etc. * Understanding of Digital signal processing ...

Senior Software Engineer

San Diego, CA · On-site

$130K - $171K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer Omega-KR, Inc. is a small but highly skilled group of engineers committed ... Experience with Spring Boot, Quarkus, or similar Java Microservice frameworks * Experience with ...

... contract at the Naval Information Warfare Center Pacific (NIWC PAC) facility in San Diego, CA. As ... Strong Programming sjkills in C/C++, Golang, Python, and JAVA * Experience with Software ...

CPMC, LLC Contract: Government contract proposal with the Department of Navy Duration: 5-year ... Software Engineers research, design, and develop computer and network software or specialized ...

Preferred Qualifications: • Active TOP SECRET clearance • 3+ years of work experience with programming language such as C, C++, Java, Python • 3+ years of embedded software engineering or ...

Senior Software Engineer

San Diego, CA · On-site

$120 - $150/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer Omega-KR, Inc. is a small but highly skilled group of engineers committed ... Experience with Spring Boot, Quarkus, or similar Java Microservice frameworks * Experience with ...

We are seeking a Software Engineer II based in Carlsbad, CA to build real-time data platforms ... Strong experience with Java and object-oriented programming * Experience building backend services ...

Showing results 41-60

Java Software Engineer Contract information

See San Marcos, CA salary details

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$61

$86

How much do java software engineer contract jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for java software engineer contract in San Marcos, CA is $61.56, according to ZipRecruiter salary data. Most workers in this role earn between $50.72 and $69.57 per hour, depending on experience, location, and employer.

What are some common challenges faced by Java software engineers on contract assignments, and how can they be managed?

Contract Java Software Engineers often face challenges such as quickly adapting to new codebases, understanding project requirements with limited onboarding time, and integrating smoothly with established teams. To manage these challenges, it's important to proactively communicate with team members, ask clarifying questions early, and make use of available documentation. Contract roles also require strong time management and self-motivation, as deliverables and expectations may be clearly defined but support can be less hands-on compared to permanent positions.

What are the key skills and qualifications needed to thrive as a Java software engineer contractor?

To thrive as a Java Software Engineer Contractor, you need strong proficiency in Java programming, experience with software development lifecycles, and typically a bachelor's degree in computer science or a related field. Familiarity with tools such as Spring Framework, Git, Maven, and cloud platforms, as well as knowledge of unit testing frameworks, is highly valued. Excellent problem-solving abilities, adaptability, and clear communication help you stand out, especially when collaborating remotely or integrating with diverse teams. These skills and qualities are crucial for delivering reliable, scalable solutions on time and ensuring smooth coordination in dynamic project environments.

What is a Java software engineer contract?

A Java Software Engineer Contract is a temporary or fixed-term role where a software engineer is hired to develop, test, and maintain software applications using the Java programming language. Contractors typically work on specific projects or for a set period, rather than as permanent employees. These roles often require expertise in Java frameworks, object-oriented programming, and collaboration with other developers or teams. Contract positions can offer flexibility, competitive pay, and opportunities to work on diverse projects.

What is the difference between Java Software Engineer Contract vs Java Software Engineer?

AspectJava Software Engineer ContractJava Software Engineer
Employment TypeTemporary/Project-basedFull-time/permanent
DurationFixed-termIndefinite
Work EnvironmentClient sites, consulting firms, or remoteCompany offices or remote
CertificationsTypically no specific certifications requiredOften prefers Java certifications or related credentials

Java Software Engineer Contract roles are temporary positions focused on specific projects, offering flexibility but less job security. Full-time Java Software Engineers work permanently within organizations, with benefits and career growth opportunities. Both roles require strong Java skills, but contracts may have less emphasis on certifications. Choose based on your career goals and desired work environment.

What are the most commonly searched types of Java Software Engineer jobs in San Marcos, CA?

The most popular types of Java Software Engineer jobs in San Marcos, CA are:

What cities near San Marcos, CA are hiring for Java Software Engineer Contract jobs?

Cities near San Marcos, CA with the most Java Software Engineer Contract job openings:

Software Engineer TS/SCI Poly

Leidos

San Diego, CA • On-site

Full-time

Retirement, PTO

Re-posted 22 days ago


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

79th of 492 rated business services


Job description

Leidos has a new and exciting opportunity for a 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!

Software Engineer

*Must have an active TS/SCI Polygraph on Day One. No exceptions.*

In this exciting role, you will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system! Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging DevOps automation and, where appropriate, use of test automation commercial tools. There are a range of opportunities for server-side business logic implementation as well as client web application and user interface (UI) development. Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript, CSS, HTML, etc.) and special purpose device programming opportunities are available.

Primary Responsibilities

You will actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other related team activities; analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. You will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench.

Basic Qualifications

Must have a BS degree or equivalent experience and less than 2 years prior relevant experience. Additional experience may be substituted for a degree.

Must have demonstrated experience with Java.

Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.

Must have experience or familiarity with multiple of the following languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL).

Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm.

Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server.

Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with AngularJS, JSON, HTML, XML, XSLT.

Must have experience with software source control and configuration management tools.

Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures).

Must have experience developing on Windows, and/or Linux operating systems.

Must have documented professional experience with web services.

Must have a strong understanding of sound software development principles and practices.

Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing.

Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment.

Preferred Qualifications

Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting.

Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift).

Experience with Javascript frameworks: AngularJS, Bootstrap, JQuery.

Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse.

Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus.

Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.

Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD).

Experience with Behavior Driven Development (BDD).

Secure Software development (i.e., Layer 7 Policy).

Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team.

CSSKEY

CONMD

careers.leidos.com/CONMD

abundance

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:March 23, 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 $57,850.00 - $104,575.00

The Leidos pay range for this job level is a general guideline onlyand 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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