Explore 3 back end java developer jobs from 2 hiring companies in Pearsall, TX, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Back End Java Developer

Uvalde

Hondo

Pleasanton

Dilley

North Pearsall

Devine

Lackland Air Force Base

Crystal City

Cotulla

Jourdanton

Poteet

Lytle

Castroville

Charlotte

Natalia

Somerset

Sabinal

Gardendale

Uvalde Estates

Back End Java Developer Jobs

Titan Technologies

Semper Valens Solutions

Onsite

***AWARD PENDING*** 
The JCO Development and Sustainment contract will provide rapid capability development and operational readiness leveraging industry best-practices and innovative solutions to ensure Joint Cyber Command and Control (JCC2) meets operational requirements and matures existing government owned software in an efficient and effective manner. The purpose of the JCO effort is to provide Joint Cyber Command and Control (JCC2) Scaled Agile Framework (SAFe) Agile software development and maintenance/sustainment support deployment of capabilities through application releases, containerization, integration, and data engineering work.
Job description
The Back End Developer is responsible for designing, building, and maintaining highly available infrastructure across virtualized and hybrid cloud environments. This role supports the automation and management of data center infrastructure, leveraging modern configuration management and infrastructure-as-code practices to improve scalability, consistency, and efficiency
In this role, you will help transform platforms, systems, and applications into reusable, modular components using virtualization and containerization technologies. You will work extensively with Red Hat technologies, including Red Hat Enterprise Linux and OpenStack, to deploy, configure, and maintain cloud environments—often within complex or air-gapped settings. This includes building and managing Docker containers, as well as using tools like Ansible and Terraform to provision and configure infrastructure.
You will contribute to the full lifecycle of OpenStack environments, from installation and integration into existing networks to scaling services and troubleshooting core system functionality. This may involve diagnosing issues at the code level, including reviewing Python stack traces and supporting resolution of system-level defects.
The ideal candidate is comfortable working in Agile or DevOps-oriented environments and understands how software development lifecycle practices apply to infrastructure and system management. Experience with CI/CD pipelines, Git-based workflows, and configuration management tools such as Ansible, Puppet, Chef, or similar technologies is important. A strong foundation in Python is also expected to support debugging, automation, and collaboration with upstream development communities when needed.
Duties and Responsibilities:
<ul>
<li>Provide subject matter expertise in support of assigned technical tasks and program objectives.</li>
<li>Apply analytical skills to support process improvement initiatives, specialized studies, and requirements definition activities.</li>
<li>Contribute to the development and maintenance of technical deliverables, including requirements documentation, functional models, system procedures, and architectural artifacts.</li>
<li>Perform back-end engineering activities in support of system design, development, and integration efforts, including architecture development for new and existing capabilities.</li>
<li>Design, develop, and maintain RESTful APIs, databases, and data models to support system functionality, scalability, and performance.</li>
<li>Optimize and enhance backend systems through data modeling, performance tuning, and integration support across applications and services.</li>
<li>Apply specialized technical expertise to ensure solutions are aligned with system requirements, technical standards, and mission needs.</li>
</ul>
You MUST have:
<ul>
<li>A DoD TS clearance is required; DoD TS/SCI preferred.</li>
<li>10 years of software development experience in object-oriented and scripted languages with the ability to apply several tool suites related to DevSecOps, microservices and containers.</li>
<li>5 years of experience performing back-end web design and development.</li>
<li>Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.</li>
<li>10 years of experience in relational databases, RESTful API development and integration.</li>
<li>5 years of experience in Python and PostgreSQL.</li>
<li>5 years of experience with bug tracking software (e.g., Jira).</li>
<li>5 years of experience testing web-based applications.</li>
<li>5 years of experience leading software development programs or projects.</li>
<li>3 years of experience with the following: AWS Infrastructure, Kubernetes, and RedHat Linux.</li>
<li>5 years of experience with at least five (5) of the following: Postgress, RDS, Exodus, Python, Luna, Java, Docker, OpenJDK, Ansible, Packer, Maven, Kubernetes, Red Hat</li>
</ul>
It’s GREAT if you also have:
<ul>
<li>Experience with integrating data from unclassified to classified application deployments.</li>
<li>5 years of experience with DoW software development.</li>
<li>Experience using Agile Test-Driven development.</li>
<li>Experience integrating into DoW DevSecOps environments.</li>
<li>5 years of experience with CI/CD software development.</li>
<li>Demonstrated experience in utilizing UX design tool suites (e.g., Sketch, InVision).</li>
<li>Experience structuring data so it can be integrated into machine learning technologies or AI capabilities.</li>
<li>Practical experience developing in a cloud environment.</li>
</ul>
Education:
<ul>
<li>Bachelor’s degree in related field required + 10 years’ experience OR Master’s degree in related field + 8 years’ experience</li>
</ul>
Company Description:
Titan Technologies, LLC and our wholly owned subsidiaries, TelaForce, LLC, Titan Facilities, Inc. and Zen Strategics, design, build, integrate, and manage innovative solutions and software applications. Our remarkable people, working collaboratively under a shared vision, have earned a reputation with our customers for delivering results with maximum impact. Sound intriguing? Consider Titan Technologies for the next step in your career journey and be part of an impactful team!
Titan is proud to be a Service-Disabled Veteran Owned Business.

Senior Back End Developer

Back End Developer

DoD TS clearance required; TS/SCI preferred; 10+ years software development; 5+ years backend web development; 10 years relational databases and RESTful APIs; 5 years Python and PostgreSQL; 5 years Jira; 5 years web testing; 5 years leading software programs; 3 years AWS, Kubernetes, RedHat Linux; 5 years with five of: PostgreSQL, RDS, Exodus, Python, Luna, Java, Docker, OpenJDK, Ansible, Packer, Maven, Kubernetes, Red Hat.

***AWARD PENDING*** 
The JCO Development and Sustainment contract will provide rapid capability development and operational readiness leveraging industry best-practices and innovative solutions to ensure Joint Cyber Command and Control (JCC2) meets operational requirements and matures existing government owned software in an efficient and effective manner. The purpose of the JCO effort is to provide Joint Cyber Command and Control (JCC2) Scaled Agile Framework (SAFe) Agile software development and maintenance/sustainment support deployment of capabilities through application releases, containerization, integration, and data engineering work.
Job description
The Back End Developer is responsible for designing, building, and maintaining highly available infrastructure across virtualized and hybrid cloud environments. This role supports the automation and management of data center infrastructure, leveraging modern configuration management and infrastructure-as-code practices to improve scalability, consistency, and efficiency.
In this role, you will help transform platforms, systems, and applications into reusable, modular components using virtualization and containerization technologies. You will work extensively with Red Hat technologies, including Red Hat Enterprise Linux and OpenStack, to deploy, configure, and maintain cloud environments—often within complex or air-gapped settings. This includes building and managing Docker containers, as well as using tools like Ansible and Terraform to provision and configure infrastructure.
You will contribute to the full lifecycle of OpenStack environments, from installation and integration into existing networks to scaling services and troubleshooting core system functionality. This may involve diagnosing issues at the code level, including reviewing Python stack traces and supporting resolution of system-level defects.
The ideal candidate is comfortable working in Agile or DevOps-oriented environments and understands how software development lifecycle practices apply to infrastructure and system management. Experience with CI/CD pipelines, Git-based workflows, and configuration management tools such as Ansible, Puppet, Chef, or similar technologies is important. A strong foundation in Python is also expected to support debugging, automation, and collaboration with upstream development communities when needed.
Duties and Responsibilities:
<ul>
<li>Provide subject matter expertise in support of assigned technical tasks and program objectives.</li>
<li>Apply analytical skills to support process improvement initiatives, specialized studies, and requirements definition activities.</li>
<li>Contribute to the development and maintenance of technical deliverables, including requirements documentation, functional models, system procedures, and architectural artifacts.</li>
<li>Perform back-end engineering activities in support of system design, development, and integration efforts, including architecture development for new and existing capabilities.</li>
<li>Design, develop, and maintain RESTful APIs, databases, and data models to support system functionality, scalability, and performance.</li>
<li>Optimize and enhance backend systems through data modeling, performance tuning, and integration support across applications and services.</li>
<li>Apply specialized technical expertise to ensure solutions are aligned with system requirements, technical standards, and mission needs.</li>
</ul>
You MUST have:
<ul>
<li>A DoD TS clearance is required; DoD TS/SCI preferred.</li>
<li>7 years of software development experience in object-oriented and scripted languages with the ability to apply several tool suites related to DevSecOps, microservices and containers.</li>
<li>5 years of experience with at least five (5) of the following: Postgress, RDS, Exodus, Python, Luna, Java, Docker, OpenJDK, Ansible, Packer, Maven, Kubernetes, Red Hat</li>
<li>3 years of experience performing back-end web design and development.</li>
<li>Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.</li>
<li>Experience in relational databases, RESTful API development and communication, and system integrations.</li>
<li>5 years of experience with Jenkins and Gitlab.</li>
<li>3 years of experience with bug tracking software (e.g., Jira).</li>
<li>3 years of experience testing web-based applications.</li>
<li>3 years of experience participating software development programs or projects.</li>
<li>Experience with integrating data from unclassified to classified application deployments.</li>
<li>3 years of experience with the following: AWS Infrastructure, Kubernetes, and RedHat Linux.</li>
</ul>
It’s GREAT if you also have:
<ul>
<li>Experience using Agile Test-Driven development.</li>
<li>Experience integrating into DoW DevSecOps environments.</li>
<li>5 years of experience with CI/CD software development.</li>
<li>Demonstrated experience in utilizing UX design tool suites (e.g., Sketch, InVision).</li>
<li>Experience structuring data so it can be integrated into machine learning technologies or AI capabilities.</li>
<li>Practical experience developing in a cloud environment.</li>
</ul>
Education:
<ul>
<li>Bachelor’s degree in related field required + 7 years’ experience OR Master’s degree in related field + 5 years’ experience</li>
</ul>
Company Description:
Titan Technologies, LLC and our wholly owned subsidiaries, TelaForce, LLC, Titan Facilities, Inc. and Zen Strategics, design, build, integrate, and manage innovative solutions and software applications. Our remarkable people, working collaboratively under a shared vision, have earned a reputation with our customers for delivering results with maximum impact. Sound intriguing? Consider Titan Technologies for the next step in your career journey and be part of an impactful team!
Titan is proud to be a Service-Disabled Veteran Owned Business.

Mid-Level Back End Developer

Seven years of software development experience; DoD TS/SCI preferred; 5+ years with multiple tech including Python, Java, Docker, OpenStack, Ansible, Terraform, Kubernetes; backend/REST API focus; CI/CD and DevSecOps.

Back-End Developer, Senior/Mid
Full Time Lackland, TX or Fort Meade, MD
Top Secret/SCI Clearance
 
**This position is contingent upon contract award**
&nbsp;
Job Description:
Job Responsibilities:
<ul>
<li>Provides subject matter proficiency for work described in the task. </li>
<li>Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. </li>
<li>Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties. </li>
<li>Requires expertise in specialty areas.</li>
<li>Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management, and data model development and optimization.</li>
</ul>
&nbsp;
Required Qualifications:
<ul>
<li>Bachelor's degree in related field required.</li>
<li>10 years (Senior)/7 years (Mid) of experience in the functional area. A Master's degree may substitute for 2 years of experience.</li>
<li>10 years (Senior)/7 years (Mid) of software development experience in object-oriented and scripted languages with the ability to apply several tool suites related to DevSecOps, microservices and containers.</li>
<li>5 years (Senior)/3 years (Mid) of experience performing back-end web design and development.</li>
<li>Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.</li>
<li>Demonstrated experience in relational databases, RESTful API development and communication, and system integrations for Mid-level or 10 years for Senior-level.</li>
<li>5 years of experience in Python and PostgreSQL for Senior-level.</li>
<li>5 years (Senior)/3 years (Mid) of experience with bug tracking software (e.g., Jira).</li>
<li>5 years (Senior)/3 years (Mid) of experience testing web-based applications.</li>
<li>5 years of experience leading (Senior) or 3 years participating (Mid) in software development programs or projects.</li>
<li>Practical experience developing in a cloud environment.</li>
<li>3 years of experience with the following: AWS Infrastructure, Kubernetes, and RedHat Linux.</li>
<li>5 years of experience with at least five (5) of the following: Postgress,&nbsp;RDS,&nbsp;Exodus,&nbsp;Python,&nbsp;Luna,&nbsp;Java,&nbsp;Docker,&nbsp;OpenJDK,&nbsp;Ansible,&nbsp;Packer,&nbsp;Maven,&nbsp;Kubernetes,&nbsp;Red Hat</li>
<li>Experience with integrating data from unclassified to classified application deployments for Mid-level.</li>
</ul>
Desired Qualifications: 
<ul>
<li>5 years of experience with DoW software development.</li>
<li>Experience using Agile Test-Driven development.</li>
<li>Experience integrating into DoW DevSecOps environments.</li>
<li>5 years of experience with CI/CD software development.</li>
<li>Demonstrated experience in utilizing UX design tool suites (e.g., Sketch, InVision).</li>
<li>Experience structuring data so it can be integrated into machine learning technologies or AI capabilities</li>
</ul>
&nbsp;
About Semper Valens Solutions:
Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community.
At Semper Valens, our vision is to remain a creative, cutting edge and cost-effective solutions provider where our shared intellect, industry experience, and technology excellence, make a positive difference in our customer's success. Our solutions help bridge the gap between IT and business prioritizations to optimize budgets, risks and operational processes.
We search for outstanding technical professionals, hiring at all levels of the experience spectrum; intermediate, journeyman and senior. Consider us for your career plan.
Semper Valens Solutions is an Equal Opportunity Employer
Semper Valens Solutions proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital/parental status, pregnancy/childbirth, or related conditions, physical or mental disability, genetic information, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.
If you require a reasonable accommodation to apply for a position with Semper Valens Solutions through its online applicant system, please contact Semper Valens Solutions Human Resources Department at (830) 899-6870.
Semper Valens Solutions is an affirmative action/equal opportunity employer - minorities, females, disabled, and protected veterans are urged to apply. Applicants have rights under Federal Employment Laws.
All Jobs at Semper Valens Solutions: https://sempervalens.com/careers
&nbsp;

Back-End Developer, Senior/Mid- JCC2-JCO

Back-End Developer

Bachelor's degree; 7-10 years in software development; backend web development; Python and PostgreSQL; RESTful API; DevSecOps; cloud experience.

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