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Fulltime Freelance Java Developer Jobs in Austin, TX

Software Developer Location: Remote Duration: Full-time Job Summary: SDE - Cloud Native ... Design, develop, and maintain backend services using Java (Spring Boot). * Build and deploy ...

AI Developer (Austin)

Austin, TX · On-site

$7.0K - $9.5K/mo

... full-time experience in software development, with a strong background in Java. - Proficiency and hands-on professional experience in Java and Python development. - Experience with building and ...

Health premiums 100% paid for full-time employees * Tuition Reimbursement * Wellness and Exercise ... At least three (3) years of experience in Java programming. * At least three (3) years of ...

At least 4 years of experience in Java J2EE technologies Skills * At least 4 years of experience in ... This is a Full Time job oppurtunity. * Only US Citizen , Green Card Holder , GC-EAD , H4-EAD , L2 ...

Max Salary Not Mentioned Employment Type Direct Jobs (Full Time) Domain Any Description GC/CITIZEN ... Familiarity with the Java ecosystem and enterprise offerings, including debugging and profiling ...

Software Engineer II (Java)

Austin, TX · On-site

$51.25 - $70.50/hr

... as a software engineer or similar role. * Proven experience in Java; Other additional modern ... associate #full-time #LI-SD1 #APEX Please note this is not designed to cover or contain a ...

Fulltime Permanent Employment Location: Day 1 onsite, Austin, TX only Client: Wipro Roles ... Java, Rust, Python, JavaScript/Typescript * Ability to develop strong Unit Test cases using PHPUnit ...

Big Data Developer

Austin, TX · On-site

$52.50 - $68.25/hr

Big Data Developer Austin, TX (Day 1 onsite) - Full-time Primary Skillset: Spark, Scala, AWS ... Mastery of computer programming and scripting languages, such as Scala, Java or Python, as well as ...

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Fulltime Freelance Java Developer information

See Austin, TX salary details

$15

$56

$76

How much do fulltime freelance java developer jobs pay per hour?

As of Jun 24, 2026, the average hourly pay for fulltime freelance java developer in Austin, TX is $56.20, according to ZipRecruiter salary data. Most workers in this role earn between $48.61 and $62.88 per hour, depending on experience, location, and employer.
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Back-End Developer, Senior/Mid

Back-End Developer, Senior/Mid

Semper Valens Solutions

Canyon Lake, TX • Remote

$123K - $160K/yr

Full-time

Posted 3 days ago


Job description

Back-End Developer, Senior/Mid

Full Time Remote

Secret clearance with Top Secret/SCI eligibility


**This position is contingent upon contract award**

Job Description:

Job Responsibilities:

  • Provides subject matter proficiency for work described in the task.
  • Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements.
  • Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties.
  • Requires expertise in specialty areas.
  • 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.

Required Qualifications:

  • Bachelor's degree in related field required.
  • 10 years (Senior)/7 years (Mid) of experience in the functional area. A Master's degree may substitute for 2 years of experience.
  • 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.
  • 5 years (Senior)/3 years (Mid) of experience performing back-end web design and development.
  • Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
  • Demonstrated experience in relational databases, RESTful API development and communication, and system integrations for Mid-level or 10 years for Senior-level.
  • 5 years of experience in Python and PostgreSQL for Senior-level.
  • 5 years (Senior)/3 years (Mid) of experience with bug tracking software (e.g., Jira).
  • 5 years (Senior)/3 years (Mid) of experience testing web-based applications.
  • 5 years of experience leading (Senior) or 3 years participating (Mid) in software development programs or projects.
  • Practical experience developing in a cloud environment.
  • 3 years of experience with the following: AWS Infrastructure, Kubernetes, and RedHat Linux.
  • 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
  • Experience with integrating data from unclassified to classified application deployments for Mid-level.

Desired Qualifications:

  • 5 years of experience with DoW software development.
  • Experience using Agile Test-Driven development.
  • Experience integrating into DoW DevSecOps environments.
  • 5 years of experience with CI/CD software development.
  • Demonstrated experience in utilizing UX design tool suites (e.g., Sketch, InVision).
  • Experience structuring data so it can be integrated into machine learning technologies or AI capabilities

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