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Full Time Freelance Java Developer Jobs in Oregon

Endava

Develop and maintain Java-based services and APIs that integrate with Camunda workflows. * Build ... USA Benefits (Full time roles only, does not apply to contractor positions) * Robust healthcare and ...

Sonsoft Inc

Sterling, Java, AWS (USC & GC)

Hillsboro, OR

$56.25 - $77.25/hr

Must have strong programming skills using core JAVA. * Must have experience with Web technologies ... This is a Full-Time / Permanent job opportunity . Only US Citizen, Green Card Holder, GC-EAD,H4-EAD ...

Endava

Develop Java-based applications and services that integrate with ODM decision services ... USA Benefits (Full time roles only, does not apply to contractor positions) * Robust healthcare and ...

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Full Time Freelance Java Developer information

What is the difference between Full Time Freelance Java Developer vs Java Software Engineer?

AspectFull Time Freelance Java DeveloperJava Software Engineer
CredentialsTypically requires Java certifications, coding skills, and portfolioRequires Java certifications, degree in Computer Science, and experience
Work EnvironmentIndependent, remote or on-site, project-basedUsually employed by a company, office or remote
Employer & Industry UsageClients or agencies, freelance platforms, tech startupsTech companies, software firms, corporate IT departments
Search & Comparison IntentLooking for freelance Java roles, project work, flexible scheduleSeeking full-time employment, career growth, stability

While both roles involve Java development, a Full Time Freelance Java Developer works independently on various projects, offering flexibility and diverse experience. A Java Software Engineer is typically employed full-time by a company, focusing on long-term development within a team. Your choice depends on your preferred work style and career goals.

What cities in Oregon are hiring for Full Time Freelance Java Developer jobs? Cities in Oregon with the most Full Time Freelance Java Developer job openings:
Full Time Freelance Java Developer jobs near you
Senior Back End Developer - TS/SCI Clearance Required

Senior Back End Developer - TS/SCI Clearance Required

Maximus

OR • Remote

$125K - $150K/yr

Full-time

Posted 10 days ago

Maximus rating

6.8

Company rating: 6.8 out of 10

Based on 288 frontline employees who took The Breakroom Quiz

243rd of 426 rated business services

Job description

General information
Job Posting Title
Senior Back End Developer
Date
Thursday, May 7, 2026
City
Remote
Country
United States
Working time
Full-time
Description & Requirements
Maximus is a trusted federal partner supporting mission‑critical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore Maximus’ role as a reliable prime for high‑impact government missions. Joining Maximus means contributing to meaningful work in fast‑paced environments alongside professionals committed to service, accountability, and results.
 
This position is contingent upon contract award and position availability. Selected candidates will receive a contingent offer of employment, which will become final only upon successful contract award to Maximus, availability of the position, and receipt of authorization to proceed.

This position is remote and requires a Secret clearance or above. An active TS/SCI clearance is preferred. 
Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS197, T5, Band 8
Job-Specific Essential Duties and 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 architecture, 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.

Job-Specific Minimum Requirements:
  • Active Secret clearance or above required. Active TS/SCI highly preferred. 
  • Bachelor's degree in a related field.
  • 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.
  • 5 years of experience performing back-end web design and development.
  • 10 years of experience in relational databases, RESTful API development and integration.
  • 5 years of experience in Python and PostgreSQL.
  • 5 years of experience with bug tracking software (e.g., Jira).
  • 5 years of experience testing web-based applications.
  • 5 years of experience leading software development programs or projects.
  • 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:
   - Postgres
   - RDS
   - Exodus
   - Python
   - Luna
   - Java
   - Docker
   - OpenJDK
   - Ansible
   - Packer
   - Maven
   - Kubernetes
   - Red Hat
  • Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
  • Practical experience developing in a cloud environment.

Preferred Skills and Qualifications:
  • Experience with integrating data from unclassified to classified application deployments.
  • 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.


#techjobs #clearance #veteransPage #USCYBERCOM
Minimum Requirements
TCS197, T5, Band 8
EEO Statement
Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics.
Pay Transparency
Maximus compensation is based on various factors including but no...

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