Top 577 Senior Java Contractor Jobs

Contract to Hire Senior Java Engineer with AI tools (Claude Code, Codex, Gemini CLI) - Hybrid Onsite in Boston or Needham MA
Yoh, A Day & Zimmermann Company —Needham, MA
- $70 - $80 an hour
- Contract
- Hybrid work
- Computer Science
- Office
- Bachelor's degree
- Health savings account
- Disability insurance
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9d
Technical Lead / # 26-13289
US Tech Solutions, Inc. —Los Angeles, CA
- $50 - $60 an hour
- Contract
- Hybrid work
- System design
- Java
- Analysis skills
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4d
Senior RPA Developer
Downs Innovative Solutions —Remote
- $85,000 - $120,000 a year
- Full-time
- Remote
- Background check
- Bachelor of Science
- Mid-level
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Senior Software Engineer
SciTec —Dayton, OH
- $135,000 - $152,000 a year
- Full-time
- Computer science
- Computer Science
- System design
- Profit sharing
- Paid parental leave
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Technical Project Manager
The C.A.S.E. Engineering Group —New Carrollton, MD
- $120,000 - $130,000 a year
- Weekends as needed
- Hybrid work
- Computer Science
- 5 years
- Bachelor of Science
- Health insurance
- Dental insurance
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1d
Sr. AWS Software Engineer (onsite Omaha)
First National Bank of Omaha —Omaha, NE
- $89,828 - $148,215 a year
- Email
- Hybrid work
- Computer Science
- 5 years
- Office
- Health savings account
- Disability insurance
Director, Software Engineering
Saab —De Witt, NY
- $189,000 - $255,100 a year
- Full-time
- Computer science
- Computer Science
- Pass drug screening
- Paid holidays
- Disability insurance
Senior AFSIM Analyst
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $245,000 a year
- Full-time
- Computer Science
- Engineering
- Java
- Disability insurance
- Health insurance
Sr. Web Design TS/SCI Cleared
Amentum —Tampa, FL
- $120,000 - $145,000 a year
- Full-time
- Azure
- Management
- Pass drug screening
- Health savings account
- Health insurance
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Lead Software Engineer, Data & DevSecOps
Leidos —Arlington, VA
- $131,300 - $237,350 a year
- Full-time
- Java
- SQL
- Bachelor's degree
6d
Project Technician - Controls II
QLM —Asheville, NC
- $29 - $37 an hour
- On call
- Background check
- Clean driving record
- Software troubleshooting
- Health insurance
- Dental insurance
Quick Apply
Senior Engineer / Analyst for ISRT & BMC2 Applications
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $100,000 - $245,000 a year
- Full-time
- 7 years
- Doctoral degree
- Computer Science
- Disability insurance
- Health insurance
AVP, Reliability Engineer - OnePay
Synchrony —Alpharetta, GA
- $100,000 - $170,000 a year
- On call
- 18 years or older
- Azure
- 5 years
- Work from home
6d
Staff Software Architect
Penske Truck Leasing and Logistics —Reading, PA
- Computer science
- Computer Science
- Pass drug screening
5d
Data Engineer
Changeis —Remote
- Full-time
- Remote
- Mid-level
- Java
- Mentoring
Quick Apply
Senior Human Resource Specialist
GAP SOLUTIONS INC —Remote
- Email
- Remote
- Oracle
- Research
- Master's degree
- Military leave
Quick Apply
Principal Software Developer
ASRC Federal —Remote
- $120,000 - $204,000 a year
- Full-time
- Remote
- Computer science
- Computer Science
- Java
- Paid holidays
- Health insurance
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QA Lead
Concept Plus —Remote
- Full-time
- Remote
- Azure
- Computer Science
- 5 years
- Paid holidays
- Dental insurance
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Remote Senior Backend Engineer
Turing —Remote
- $200 - $300 an hour
- Contract
- Remote
- 3 years
- Java
- APIs
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4d
Senior Back-End Developer - Backbase
Aequilibrium Software Inc. —Remote
- $90,000 - $130,000 a year
- Full-time
- Remote
- Computer science
- Azure
- Computer Science
- Health insurance
- Dental insurance
Quick Apply

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Contract to Hire Senior Java Engineer with AI tools (Claude Code, Codex, Gemini CLI) - Hybrid Onsite in Boston or Needham MA

Yoh, A Day & Zimmermann Company -
Needham, MA

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Job Details

Contract
$70 - $80 an hour
9 days ago

Benefits

Health savings account
Visa sponsorship
Disability insurance
Health insurance
Dental insurance
401(k)
Employee assistance program
Vision insurance
Referral program

Qualifications

Spring Boot
AI tools proficiency
Bachelor's degree
Implementing APIs
Multithreading
Generative AI

Full Job Description

Please send current resumes directly to [email protected]
Bhagyashree Yewle, Principal Lead Recruiter - YOH SPG
https://www.linkedin.com/in/bhagyashreeyewle/

Contract to Hire Senior Java Engineer with AI tools (Claude Code, Codex, Gemini CLI) - Hybrid Onsite in Boston or Needham MA

Location: Occasionally working out of Needham is fine but it is based in Boston

(Open to W2 and CTC contractors - visa sponsorship available!)

**MUST HAVE**

A STRONG passion for AI and ideally 10+ years of experience in Java-based systems development (Java 11+; current stack Java 21).Good understanding of core java APIs.
Solid understanding of concurrency, multi-threading, and high-performance systems
Experience with Spring, SpringBoot and building REST APIs
Exposure to WebSockets and performance testing (e.g., JMeter) is a plus
Hands-on experience using GenAI tools (e.g., Claude Code, GitHub Copilot, Codex)
Ability to use AI tools effectively for coding, debugging, and problem-solving
Interest in or exposure to AI-driven / agentic workflows
Strong problem-solving skills, including breaking down work into AI-augmentable tasks
Growth mindset with a focus on continuous learning and experimentation
Comfortable adapting to evolving tools, practices, and technologies
Ability to thrive in a fast-paced, team-oriented environment
Bachelor's degree in computer science or related field

This role combines strong backend engineering with modern AI assisted development practices. We are looking for engineers who can effectively leverage AI tools (e.g., Claude Code, GitHub Copilot) across the SDLC—design, development, testing, and production support—to deliver high-quality, scalable systems. The ideal candidate is a self-starter who thrives in a fast-paced environment, collaborates well across teams, and continuously adapts to evolving technologies and workflows.

Estimated Min Rate: $70.00

Estimated Max Rate: $80.00

What’s In It for You?
We welcome you to be a part of the largest and legendary global staffing companies to meet your career aspirations. Yoh’s network of client companies has been employing professionals like you for over 65 years in the U.S., UK and Canada. Join Yoh’s extensive talent community that will provide you with access to Yoh’s vast network of opportunities and gain access to this exclusive opportunity available to you. Benefit eligibility is in accordance with applicable laws and client requirements. Benefits include:

Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week)
Health Savings Account (HSA) (for employees working 20+ hours per week)
Life & Disability Insurance (for employees working 20+ hours per week)
MetLife Voluntary Benefits
Employee Assistance Program (EAP)
401K Retirement Savings Plan
Direct Deposit & weekly epayroll
Referral Bonus Programs
Certification and training opportunities

Note: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.

Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Visit https://www.yoh.com/applicants-with-disabilities to contact us if you are an individual with a disability and require accommodation in the application process.

For California applicants, qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All of the material job duties described in this posting are job duties for which a criminal history may have a direct, adverse, and negative relationship potentially resulting in the withdrawal of a conditional offer of employment.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

By applying and submitting your resume, you authorize Yoh to review and reformat your resume to meet Yoh’s hiring clients’ preferences. To learn more about Yoh’s privacy practices, please see our Candidate Privacy Notice: https://www.yoh.com/privacy-notice
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Senior Java Contractor jobs

Contract to Hire Senior Java Engineer with AI tools (Claude Code, Codex, Gemini CLI) - Hybrid Onsite in Boston or Needham MA

Technical Lead / # 26-13289

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Technical Project Manager

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Remote Senior Backend Engineer

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