Top 895 Java Jobs in Chelmsford, Ma

Senior Java Engineer with Low Latency in Java Multithreading, Socket Programming, AI tools (Claude Code, Codex, Gemini CLI) - Hybrid Onsite
Yoh, A Day & Zimmermann Company —Needham, MA
- $70 - $85 an hour
- Contract
- Hybrid work
- Computer Science
- Office
- Bachelor's degree
- Health savings account
- Disability insurance
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ADMOH With Java, Javascript, SQL
Sonsoft Inc —Cambridge, MA
- Full-time
- 3 years
- Java
- SQL
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Java Engineer
Horizontal Talent —Boston, MA
- $41 - $78 an hour
- Azure
- Writing skills
- Java
- Dental insurance
- Vision insurance
9d
Sr. Java Backend Engineer
CGI Group, Inc. —Merrimack, NH
- $80,600 - $194,000 a year
- Full-time
- Azure
- Computer Science
- 11+ years
- Paid parental leave
- Paid holidays
Backend Developer (Golang / Java | Microservices)
CGI Group, Inc. —Merrimack, NH
- $80,600 - $194,000 a year
- Full-time
- Azure
- Computer Science
- DevOps
- Paid parental leave
- Paid holidays
Java Full Stack Engineer
CGI Group, Inc. —Merrimack, NH
- $89,600 - $156,700 a year
- Full-time
- Computer Science
- Office
- Bachelor's degree
- Paid parental leave
- Paid holidays
Java Software Engineer, K4B
KAYAK —Concord, MA
- $100,000 - $110,000 a year
- Full-time
- Hybrid work
- Mid-level
- Office
- 2 years
- Paid parental leave
- Paid holidays
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SOFTWARE DEVELOPER
KORMELI —Burlington, MA
- Email
- Computer Science
- Bachelor of Science
- Mid-level
Java Lead Developer
supremesoft —Framingham, MA
- SQL
- Team management
- Senior level
Quick Apply
Associate Java Software Engineer
Vestmark, Inc. —Wakefield, MA
- $80,000 - $95,000 a year
- Hybrid work
- Computer science
- Computer Science
- Bachelor of Science
Quick Apply
9d
SENIOR SOFTWARE DEVELOPER - JAVA
KORMELI —Burlington, MA
- Email
- Computer Science
- 5 years
- Bachelor of Science
Backend Java Developer
Fustis LLC —Boston, MA
- $65 a year
- Mid-level
- Office
- AWS
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Senior JAVA Software Engineer
KAYAK —Cambridge, MA
- $125,000 - $165,000 a year
- Full-time
- Hybrid work
- Office
- Senior level
- Paid parental leave
- Paid holidays
Quick Apply
Front End Java Developer
OnPage —Waltham, MA
- Computer science
- Computer Science
- Mid-level
- Paid holidays
- Disability insurance
Java Developer
Zifo —Boston, MA
- Hybrid work
- Mid-level
- Java
- Master's degree
- Health insurance
- Dental insurance
Quick Apply
Full Stack Java Developer
Generic Solutions Inc. —Boston, MA
- $60 - $65 an hour
- Full-time
- 11+ years
- Office
- SQL
Quick Apply
Software Engineer – ETL, Java
RevSpring Inc —Boston, MA
- Azure
- Java
- SQL
Quick Apply
Senior Backend Engineer - Java
Real —Boston, MA
- $152,000 - $194,000 a year
- Full-time
- Remote
- Bachelor of Science
- 8 years
- SQL
13d
Software Engineer II - Java, Officer
State Street —Burlington, MA
- $70,000 - $118,750 a year
- Full-time
- Computer Science
- Bachelor of Science
- Mid-level
- Disability insurance
- Health insurance
Senior Java Engineer
Pristine Infotech —Boston, MA
- Email
- Azure
- Computer Science
- Windows
- Health insurance
- Dental insurance

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Senior Java Engineer with Low Latency in Java Multithreading, Socket Programming, AI tools (Claude Code, Codex, Gemini CLI) - Hybrid Onsite

Yoh, A Day & Zimmermann Company -
Needham, MA

Quick Apply

Job Details

Contract
$70 - $85 an hour

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
Technical architecture
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 Low Latency in Java Multithreading, Socket Programming & 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. Low Latency in Java Multithreading, Socket Latency, Network socket programming in Java , strong hands on with low level architecture and how the systems operate.
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: $85.00

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

Stay Safe During Your Job Search
Fraudulent recruiting communications have become increasingly common. Emails from Yoh recruiters will only come from an @yoh.com email address. Yoh will never ask candidates to pay fees, purchase equipment, send gift cards, or transfer funds as part of the recruiting or hiring process. If you receive a communication that appears suspicious or requests payment, contact Yoh directly before responding or sharing personal information.
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java jobs in chelmsford, ma

Senior Java Engineer with Low Latency in Java Multithreading, Socket Programming, AI tools (Claude Code, Codex, Gemini CLI) - Hybrid Onsite

ADMOH With Java, Javascript, SQL

Java Engineer

Sr. Java Backend Engineer

Backend Developer (Golang / Java | Microservices)

Java Full Stack Engineer

Java Software Engineer, K4B

SOFTWARE DEVELOPER

Java Lead Developer

Associate Java Software Engineer

SENIOR SOFTWARE DEVELOPER - JAVA

Backend Java Developer

Senior JAVA Software Engineer

Front End Java Developer

Java Developer

Full Stack Java Developer

Software Engineer – ETL, Java

Senior Backend Engineer - Java

Software Engineer II - Java, Officer

Senior Java Engineer

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