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Junior Java Backend Developer Jobs in Massachusetts

... Java, Kafka, Postgres, and AWS. • Collaborate with cross-functional partners across Product ... programming language such as Java, or demonstrated ability to quickly learn new backend ...

Develop public REST APIs using Java and internal gRPC APIs for inter-service and inter-system ... Conduct code reviews (comment, approve, seek revisions, merge), mentor junior and mid-level ...

Java Developer

Boston, MA

$55.50 - $71.75/hr

Participate in server-side development activity for back-end Java-based services using REST, SOAP or related protocols * Collaborate with business analysts, other developers, and QA team members to ...

Java Developer

Boston, MA · On-site

$55.50 - $71.75/hr

Job Title: Sr. Java Developer (Back-end) Terms: Contract (Through Dec. 31st 2015) Location: Boston, MA Responsibilities * 5+ years of experience in architecture, design, analysis, development ...

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Junior Java Backend Developer information

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$66.6K

$116.7K

$175.8K

How much do junior java backend developer jobs pay per year?

As of Jul 8, 2026, the average yearly pay for junior java backend developer in Massachusetts is $116,666.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,500.00 and $116,300.00 per year, depending on experience, location, and employer.

What are Junior Java Backend Developers?

Junior Java Backend Developers are entry-level software engineers who specialize in building and maintaining the server-side logic of web applications using the Java programming language. They work closely with senior developers to implement APIs, manage databases, and ensure smooth data flow between servers and users. Their responsibilities often include writing clean, efficient code, debugging applications, and learning new technologies as needed. Junior Java Backend Developers typically have a foundational knowledge of Java, SQL, and frameworks like Spring Boot.

What are some common challenges faced by Junior Java Backend Developers when joining a new team?

As a Junior Java Backend Developer, one common challenge is adapting to existing codebases and understanding the team's preferred coding standards and practices. You may also find it challenging to grasp complex system architectures or integrate your code with various APIs and databases. However, most teams provide onboarding support, code reviews, and mentorship to help you ramp up. Collaborating closely with senior developers and asking questions can significantly ease your transition and foster your growth in the role.

What are the key skills and qualifications needed to thrive as a Junior Java Backend Developer, and why are they important?

To thrive as a Junior Java Backend Developer, you need solid knowledge of Java programming, understanding of object-oriented design, and familiarity with backend frameworks like Spring, often supported by a degree in computer science or related field. Experience with relational databases (e.g., MySQL), version control systems (like Git), and exposure to RESTful APIs and build tools (such as Maven) are typically required. Strong problem-solving skills, attention to detail, and effective communication make someone stand out in this role. These skills and qualities are crucial for building reliable, scalable server-side applications and collaborating effectively within a software development team.
What are the most commonly searched types of Java Backend Developer jobs in Massachusetts? The most popular types of Java Backend Developer jobs in Massachusetts are:
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Software Engineer I (Backend)

Software Engineer I (Backend)

WHOOP

Boston, MA • On-site

Full-time

Re-posted 14 days ago


Job description

Job Summary:
WHOOP is on a mission to unlock human performance and healthspan through wearable technology. As a Software Engineer I, you will contribute to the design, development, and maintenance of services that power WHOOP’s core product experiences, collaborating with cross-functional teams to build scalable systems that provide meaningful insights.
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:
Required:
• 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.
Company:
WHOOP provides wearable fitness technology and a subscription platform that tracks physiological data for health and performance insights. Founded in 2012, the company is headquartered in Boston, USA, with a team of 501-1000 employees. The company is currently Late Stage.

Whoop logo

About Whoop

Sourced by ZipRecruiter

At WHOOP, we're on a mission to unlock human performance. WHOOP empowers users (Olympians, Professional Athletes, Fitness Enthusiasts, etc) to perform at a higher level through a deeper understanding of their bodies and daily lives.

Industry

Fitness and sports centers

Company size

501 - 1,000 Employees

Headquarters location

Boston, MA, US

Year founded

2012