Top 478 Java developer Jobs in Waltham, Ma

Software Engineer I (Backend)
WHOOP —Boston, MA
- $105,000 - $145,000 a year
- Urgently hiring
- Computer science
- System design
- Office
SENIOR JAVA SOFTWARE DEVELOPER
Fundamental Interactions —Boston, MA
- Office
- Java
- Senior level
Software Engineer - AI Trainer
DataAnnotation —Waltham, MA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Software Engineer - AI Trainer
DataAnnotation —Danvers, MA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Sr. Software Engineer
Alexander Technology Group —Andover, MA
- $60 - $80 an hour
- System design
- Java
- Scripting
Quick Apply
Sr. Java Engineer with Low Latency Systems, Socket Programming in Java, Network Latency/Programming experience - Hybrid Onsite in Boston or Needham MA
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
Quick Apply
Staff Software Engineer - AI Trainer
DataAnnotation —Quincy, MA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Lead Java Developer - AI Adoption/Leadership/Remote
Motion Recruitment —Boston, MA
- Full-time
- Remote
- SQL
- AWS
- Travel
Back End Software Engineer Python/SDLC/Ai - Waltham, Ma
Motion Recruitment —Waltham, MA
- $180,000 - $200,000 a year
- Full-time
- Hybrid work
- Computer science
- 6 years
- Computer Science
- Disability insurance
- Health insurance
Backend Software Engineer - Payments and Partnership - Waltham, Ma
Motion Recruitment —Waltham, MA
- $163,000 - $220,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Office
- Disability insurance
- Health insurance
Senior Full Stack Software Engineer - Robotics
Motion Recruitment —Boston, MA
- Full-time
- Azure
- System design
- Java
- Paid holidays
- Health insurance
Azure Full Stack Developer (.NET)
Tandym Group —Wilmington, MA
- Up to $70 an hour
- Contract
- Computer science
- Computer Science
- DevOps
Quick Apply
Senior Software Engineer, Billing Workflows - athenaCollector
Athenahealth —Boston, MA
- $119,000 - $203,000 a year
- Full-time
- Computer science
- Computer Science
- Mentoring
- Commuter assistance
- Tuition reimbursement
4d
Full Stack Developer - AI Trainer
DataAnnotation —Quincy, MA
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Principal Software Engineer, Electronic Dental Record - athenaCollector
Athenahealth —Boston, MA
- $164,000 - $280,000 a year
- Full-time
- Computer science
- Computer Science
- 11+ years
- Commuter assistance
- Tuition reimbursement
4d
Software Engineer / Typescript, Java, Robotics / Stoneham, MA
Motion Recruitment —Boston, MA
- Full-time
- 5 years
- Java
- AWS
- Health insurance
- Dental insurance
Senior Full Stack Engineer (Java/React)
APR Consulting Inc —Dedham, MA
- $73.51 an hour
- Contract
- 3 years
- Master's degree
- SQL
Quick Apply
Cyber Full Stack Manager
Deloitte —Boston, MA
- $148,200 - $292,300 a year
- Full-time
- Computer science
- Azure
- Computer Science
Cyber Full Stack Senior Consultant
Deloitte —Boston, MA
- $122,000 - $240,500 a year
- Full-time
- Computer science
- Azure
- Computer Science
Senior Full Stack Engineer (Java/React)
General Dynamics Mission Systems, Inc —Dedham, MA
- $156,965 - $170,000 a year
- Full-time
- 6 years
- System design
- Master's degree
- Paid parental leave
- Health insurance

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Software Engineer I (Backend)

WHOOP -
Boston, MA

Apply Now

Job Details

Full-time
$105,000 - $145,000 a year

Qualifications

Computer science
Software engineering
Content creation for technical audiences
Improving system uptime or availability
Data structures
IT system monitoring
System design
Git
Public Cloud
Scalable systems
Java
Algorithms
System maintenance
System design for system development
Technical solutions implementation
Programming languages
Collaboration with product development teams
AWS
Version control systems
Implementing APIs
Software documentation
Scalability
Production monitoring
Developing and maintaining backend systems
Back-end integration
Kafka
Distributed computing
Business requirements
Technical writing experience within technology
Communication skills

Full Job Description

Location

Boston, MA

Employment Type

Full time

Location Type

On-site

Department

Software

At WHOOP, we’re on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable technology monitors vital physiological metrics to provide personalized insights that improve fitness, health, and recovery.

As a Software Engineer I, you will contribute to the design, development, and maintenance of the services that power WHOOP’s core product experiences. You will work closely with experienced engineers, product managers, designers, and data scientists to build scalable, reliable systems that deliver meaningful insights to our members. This is a growth-oriented role ideal for engineers who are excited to learn, ship high-quality code, and make an impact in a fast-paced, mission-driven environment.

This posting is for an immediate new hire to our team. For those graduating in the fall of 2026 seeking entry level roles, we kindly ask that you check out this New Grad Opportunities job posting instead to be considered for roles opening at that time. Thank you.

RESPONSIBILITIES:

Contribute to the development and maintenance of backend services and APIs that power WHOOP’s member-facing features using technologies such as Java, Kafka, Postgres, and AWS.
Collaborate with cross-functional partners across Product, Design, Data Science, and Engineering to translate requirements into well-scoped technical solutions.
Write clean, maintainable, and well-tested code while participating in code reviews to continuously improve engineering quality and standards.
Support the operation and monitoring of production systems, helping to troubleshoot issues and ensure reliability, scalability, and performance.
Break down feature requirements into actionable tasks, identify risks early, and iterate quickly to deliver value to members.
Contribute to technical documentation and knowledge sharing to support team velocity and long-term maintainability.

QUALIFICATIONS:

Professional experience in backend software development (internship, co-op, or academic project experience acceptable).
Experience building or interacting with RESTful APIs and relational databases (e.g., Postgres or similar SQL-based systems).
Proficiency in an object-oriented programming language such as Java, or demonstrated ability to quickly learn new backend technologies.
Familiarity with version control systems such as Git and standard development workflows.
Understanding of fundamental computer science concepts including data structures, algorithms, and system design basics.
Interest in distributed systems, event-driven architectures (e.g., Kafka or similar technologies), and cloud platforms such as AWS.
Strong problem-solving skills and a growth mindset, with a willingness to seek feedback and continuously improve.
Effective communication skills and the ability to collaborate within a cross-functional team environment.

Learn more about our Software Org and how to be successful in your engineering career at WHOOP via our Career Framework.

This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.

Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.

WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibility. 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.

The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.

At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success.

The U.S. base salary range for this full-time position is $105,000 - 145,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training.

In addition to the base salary, the successful candidate will also receive benefits and a generous equity package.

These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements.

Apply Now

Refine Your Search

java developer jobs in waltham, ma

Software Engineer I (Backend)

SENIOR JAVA SOFTWARE DEVELOPER

Software Engineer - AI Trainer

Software Engineer - AI Trainer

Sr. Software Engineer

Sr. Java Engineer with Low Latency Systems, Socket Programming in Java, Network Latency/Programming experience - Hybrid Onsite in Boston or Needham MA

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Back End Software Engineer Python/SDLC/Ai - Waltham, Ma

Backend Software Engineer - Payments and Partnership - Waltham, Ma

Senior Full Stack Software Engineer - Robotics

Azure Full Stack Developer (.NET)

Senior Software Engineer, Billing Workflows - athenaCollector

Full Stack Developer - AI Trainer

Principal Software Engineer, Electronic Dental Record - athenaCollector

Software Engineer / Typescript, Java, Robotics / Stoneham, MA

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Cyber Full Stack Manager

Cyber Full Stack Senior Consultant

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