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Junior Java Backend Developer Jobs in Massachusetts

Kanak Elite Services Inc

Java Developer

Boston, MA · On-site

$55.50 - $71.75/hr

Java Developer Location: Holyoke, MA (Onsite) (Local Only) Duration: 12+ Months Client is looking ... Responsibilities • Develop greenfield backend services using Java 17/21 on AWS Lambda • Enhance ...

WHOOP

Software Engineer I (Backend)

Boston, MA · On-site

... 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 ...

WHOOP

Software Engineer I (Backend)

Boston, MA · On-site

... 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 ...

WHOOP

Software Engineer I (Backend)

Boston, MA · On-site

... Engineer I, you will contribute to the design, development, and maintenance of backend services ... Java, Kafka, Postgres, and AWS. • Collaborate with cross-functional partners across Product ...

WHOOP

Software Engineer I (Backend)

Boston, MA · On-site

... Engineer I, you will contribute to the design, development, and maintenance of backend services ... Java, Kafka, Postgres, and AWS. • Collaborate with cross-functional partners across Product ...

Techvilla Solutions

Performance Engineer

Boston, MA · On-site

Develop backend services, APIs, and microservices using Java, Spring Boot, and Spring MVC ... Familiarity with CI/CD pipelines and DevOps practices. * Strong understanding of OOP, Domain-Driven ...

WHOOP

Software Engineer I (Backend)

Boston, MA · On-site

... 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 ...

WEX

Staff Software Engineer (AI & Backend)

Boston, MA · On-site +1

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 ...

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Junior Java Backend Developer information

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$66.6K

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

As of Jun 18, 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.
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Junior Java Backend Developer jobs near you

Senior Back-End Engineer

Venus Consultancy

Boston, MA • On-site

Full-time

Posted 26 days ago

Job description

Role: Senior Back-End Engineer
Location: Cambridge, MA | In-Person
 
About us
We are a Seed Stage Generative AI startup based in Cambridge, MA. Our mission is to automate custom software creation and unlock the next industrial revolution. Backed by top-tier investors, our founders have a track record of success, holding dozens of Generative AI patents and leading previous startups to success.
 
About the Role
We are seeking a Senior Back-End Engineer to take ownership of various parts of our tech stack. Working directly with our CTO and founding team, you’ll play a crucial role in product development, technical decision-making, and shaping the company’s culture.
We are solving challenging engineering problems at the intersection of AI, cloud infrastructure, and enterprise software development. This role is ideal for someone who is curious, driven, and eager to build from the ground up.
 
What Success Looks Like
You write, review, and deploy high-quality, production-ready code.
You use Generative AI tools to enhance software development and increase efficiency.
You make technical architecture decisions that balance speed, quality, and safety.
You take ownership of your work, ensuring reliability and scalability.
You thrive in an in-person, fast-paced startup environment and collaborate effectively with cross-functional teams.
You can learn quickly, even when working with technologies outside your comfort zone.
You contribute to our engineering culture, setting the foundation for best practices and long-term success.
 
Areas of Ownership
As a Senior Back-End Engineer, you’ll be expected to demonstrate generalist capabilities with deep expertise in Back-End Technologies.
Required Skills & Experience
Expertise in Python, Terraform, and GCP (Google Cloud Platform)
Experience with at least some of the following:
Backend Frameworks & Technologies: Node.js, NuxtJS, Express.js, Python
Cloud Platforms: Google Cloud, AWS, Azure, VercelProgramming 
Languages: Python, JavaScript, TypeScript, Java, C++, Go
APIs & RPCs: REST, gRPC, GraphQL
Databases: SQL, NoSQL, PostgreSQL, MongoDB, Firebase
CI/CD Tools: Jenkins, CircleCI, GitLab
Version Control: Git, Perforce
Microservices Architecture
 
Ways to Stand Out
Experience with AI Platforms: OpenAI, Anthropic, Hugging Face, Vertex AI, Bedrock, SageMaker
Enterprise-Scale Development: Building applications with >99% SLAs
Extensive Experience in Python, Terraform, and GCP
 
Our Culture
We operate with a low-ego, high-output mindset. Our team moves fast, prioritizing action over perfection. We believe in work-life balance, making time for personal well-being while maintaining a high-performance environment.
We prioritize speed on all two-way door decisions.
We encourage curiosity, autonomy, and problem-solving.
We value collaboration but also expect team members to own their work.
We believe in being everyday athletes—optimizing mental and physical health for peak performance.
We leave the office in time for dinner with our families most nights.
 
Are You Up for the Challenge?
Startups are demanding, ever-changing, and require high levels of autonomy. If that excites you rather than intimidates you, we’d love to hear from you!