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Junior Java Developer Jobs in Watertown, MA (NOW HIRING)

Java Developer - W2

Boston, MA

$55.50 - $71.75/hr

Java Developer Job Location : Boston, MA Job Duration : Long Term We are seeking an experienced Java Cloud Developer with strong expertise in cloud-native microservices development and Payments ...

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 ...

Java Developer

Boston, MA · On-site

$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

Weston, MA

$55 - $71.25/hr

Developer/Analyst needed to provide support for a GXP-Compliant application. Participate in the development/support of a Java application being migrated from Java 1.4 and associated frameworks to ...

Java Developer

Boston, MA · On-site

$55.50 - $72/hr

Boston, MA (onsite 4 days/week) Interview process - will require in person interview Developers are ... in Java/J2EE technologies • Experience with multi-threading using core Java libraries ...

Java Developer

Boston, MA

$55.50 - $71.75/hr

Location: Boston, MA, Tarrytown, NY Hands-on technical role focused on Java development and ... We look for Science - Biotechnology, Pharmaceutical Technology, Biomedical Engineering ...

Java Developer

Boston, MA · On-site

$55.50 - $71.75/hr

Location: Boston, MA, Tarrytown, NY Hands-on technical role focused on Java development and ... We look for Science - Biotechnology, Pharmaceutical Technology, Biomedical Engineering ...

Java Developer - Boston

Boston, MA · On-site

$55.50 - $72/hr

AWS Cloud Formation,Spring,Java Basic Qualification : Additional Skills : AWS Engineer,Software Developer Background Check : No Drug Screen : No

Senior Java Developer - Java and SQL

Boston, MA

$62.25 - $79.25/hr

Title: Senior Java Developer - Java and SQL Location: Boston, MA. Duration: 6+ Months Description: Keys to this Position: Requirements: In addition, the following qualifications would be a plus:

Java Developer (ECommerce)

Watertown, MA

$55.50 - $71.75/hr

Greetings, Position - Java Developer (Ecommerce) Location - Watertown, MA Roles & Responsibilities We have existing java based e-commerce platform (Intershop). We would like this individual to look ...

Java Developer

Boston, MA

$55.50 - $71.75/hr

Java Developer with P&C claims development experience / DCT claims experience Location: Boston, MA Duration: 6+ Months Experience: 9 years Note: Candidate must have minimum 5 years of P&C claims ...

Senior Java Developer

Boston, MA · On-site +1

$62.25 - $79.25/hr

As an experienced Java Developer Sr. Consultant, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery ...

Full stack Java Developer (50/50)

Boston, MA · On-site

$62.25 - $79.25/hr

Senior Java Developer We are seeking a highly skilled Senior Java Developer with expertise spanning both middle-tier server development (50%) and presentation-tier development (50%) . You will work ...

Full Stack Java Developer

Boston, MA · On-site

$57 - $73.50/hr

Full Stack Java Developer Location: Boston/Portsmouth, MA Job Type: Full time JOB RESPONSIBILITIES: * Should be able to write / design Cloud native code in Java, JavaScript based that meets the ...

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Junior Java Developer information

See Watertown, MA salary details

$66.3K

$116.2K

$175.1K

How much do junior java developer jobs pay per year?

As of May 30, 2026, the average yearly pay for junior java developer in Watertown, MA is $116,181.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,100.00 and $115,800.00 per year, depending on experience, location, and employer.

What Does a Junior Java Developer Do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

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

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.

What are some common challenges a Junior Java Developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

What are Junior Java Developers?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

Will AI replace Java devs?

AI is unlikely to fully replace Java developers, as their role involves complex problem-solving, system design, and understanding business needs that AI cannot fully replicate. Instead, AI tools can assist Java developers by automating repetitive tasks and improving productivity, making their skills more valuable. Continuous learning and adapting to new technologies remain important for Java developers to stay relevant in the evolving tech landscape.

What is the difference between Junior Java Developer vs Java Developer?

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

What cities near Watertown, MA are hiring for Junior Java Developer jobs? Cities near Watertown, MA with the most Junior Java Developer job openings:
Infographic showing various Junior Java Developer job openings in Watertown, MA as of May 2026, with employment types broken down into 1% Internship, 87% Full Time, 9% Part Time, 1% Temporary, and 2% Contract. Highlights an 75% Physical, 11% Hybrid, and 14% Remote job distribution, with an average salary of $116,181 per year, or $55.9 per hour.

$55.50 - $71.75/hr

Other

Posted 16 days ago


Job description

Job Title: Java Developer
Job Location: Boston, MA

Job Duration: Long Term

Job Description

We are seeking an experienced Java Cloud Developer with strong expertise in cloud-native microservices development and Payments domain knowledge. The candidate should have experience building scalable enterprise applications in banking or financial services environments.

Required Skills

  • 7+ years of Java development experience
  • Strong experience with Java 8/11/17 and Spring Boot
  • Hands-on experience with Microservices architecture
  • Experience with AWS or Azure cloud platforms
  • Strong REST API development experience
  • Experience with Docker and Kubernetes
  • Kafka or messaging systems experience
  • SQL and NoSQL database experience
  • CI/CD pipeline experience (Jenkins/GitHub Actions)
  • Strong Payments domain experience
  • Payments Domain Experience

Responsibilities

  • Design and develop scalable Java-based cloud applications
  • Build secure payment processing microservices
  • Integrate enterprise payment platforms and APIs
  • Optimize application performance and reliability
  • Work closely with architecture and product teams
  • Support cloud migration and modernization initiatives