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Junior Full Stack Developer Jobs in Chelsea, MA (NOW HIRING)

Kasmo Global

Java Full-Stack Developer

Boston, MA · On-site

$57 - $73.50/hr

Java Full-Stack Developer Experience: 8+ Location: Boston, MA Key Responsibilities * Lead and mentor a team of developers to design and build Java applications using Spring Framework and Spring Boot.

krg technology inc

Full Stack Developer

Boston, MA

... stack quickly AWS exposure Detailed JD as below We're looking for a Java Tech Lead / Sr. Developer to help build and maintain spring based java back-end applications, Angular JS and Ext JS web ...

BRUNT Workwear

AI Full Stack Developer

Reading, MA · On-site

As our AI Full Stack Developer, you will be the technical heart of that investment, the person who designs, builds, and evolves the AI solutions that BRUNT's teams depend on to work smarter, move ...

Boston Dynamics

Senior Full Stack Developer

Waltham, MA · On-site

As a Full Stack Software Engineer, you will design and build a centralized Knowledge Base and a suite of Internal Tools that bridge the gap between raw robotic telemetry and actionable human insights.

SolutionIT, Inc.

Senior Java Full Stack Developer

Boston, MA · On-site

$57 - $73.50/hr

Senior Java Full Stack Developer Required Skills: * 5+ years of hands-on Java/J2EE enterprise application development, with demonstrated ability to speak to specific projects and technical decisions ...

VibeIQ Inc.

Senior Full Stack Engineer

Boston, MA · On-site

$170K - $190K/yr

REQUIRED EXPERIENCE * 6+ years building user-facing products as a full stack developer. * A track record of designing reliable and highly scalable systems with heavy traffic. * Strong experience with ...

krg technology inc

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 ...

VibeIQ

Senior Full Stack Engineer

Boston, MA · On-site

$170K - $190K/yr

REQUIRED EXPERIENCE * 6+ years building user-facing products as a full stack developer. * A track record of designing reliable and highly scalable systems with heavy traffic. * Strong experience with ...

Judge Group, Inc.

Full Stack Python Developer

Boston, MA · On-site

$60 - $75/hr

Senior Full Stack Python Developer - Network Automation Type: Contract - 6+ months Location: Boston or Quincy, MA - 4 days a week onsite Overview Seeking a senior full stack Python developer with ...

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All JobsJunior Full Stack Developer JobsJunior Full Stack Developer Jobs in Chelsea, MA

Junior Full Stack Developer information

See Chelsea, MA salary details

$26.1K

$96.7K

$149.4K

How much do junior full stack developer jobs pay per year?

As of Jun 28, 2026, the average yearly pay for junior full stack developer in Chelsea, MA is $96,683.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,800.00 and $94,500.00 per year, depending on experience, location, and employer.

What is the difference between Junior Full Stack Developer vs Front End Developer?

AspectJunior Full Stack DeveloperFront End Developer
Required SkillsHTML, CSS, JavaScript, basic backend knowledge, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design, frameworks like React, Angular, or Vue
Work EnvironmentCollaborates on both client-side and server-side projects, often in startups or tech companiesFocuses on user interface and experience, primarily in web development teams
Common UsageEntry-level role for full stack development in various industriesSpecialized role focusing on front-end development in web projects

The main difference is that a Junior Full Stack Developer works on both front-end and back-end tasks, while a Front End Developer specializes in creating and optimizing user interfaces. The Junior Full Stack Developer has a broader skill set, whereas the Front End Developer focuses more on design and user experience.

What does a junior full stack developer do?

A junior full stack developer assists in designing, developing, and maintaining both the front-end and back-end components of web applications. They typically work with programming languages like JavaScript, HTML, CSS, and server-side technologies, often under the guidance of senior developers. Their role involves writing code, debugging, and collaborating with teams to deliver functional software solutions.

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

To thrive as a Junior Full Stack Developer, you need a solid understanding of front-end and back-end programming languages (such as JavaScript, HTML/CSS, and a back-end language like Python or Node.js), along with a relevant degree or coding bootcamp certification. Familiarity with frameworks (like React or Angular), version control systems (such as Git), and basic database management is typically required. Strong problem-solving skills, adaptability, and effective teamwork set standout developers apart. These skills are crucial for building robust, user-friendly applications and collaborating efficiently in fast-paced development environments.

What is a Junior Full Stack Developer?

A Junior Full Stack Developer is an entry-level software engineer who is capable of working on both the front-end and back-end components of web applications. They typically have foundational knowledge of programming languages such as JavaScript, HTML, CSS, as well as experience with frameworks like React, Node.js, or similar technologies. Junior Full Stack Developers collaborate with more experienced developers to build, test, and maintain web applications. Their responsibilities often include writing code, debugging, and learning best practices under supervision. This role is ideal for individuals looking to grow their skills in all areas of web development.

What Does a Junior Full Stack Developer Do?

A full stack developer works on both the user-facing and back-end elements of websites and applications. A junior full stack developer works under the supervision of a senior developer. In this position, your duties include handling coding responsibilities for front-end, user-facing elements. You use JavaScript, HTML, and CSS for this part of the job. You also use languages such as Python, SQL, and PHP for the back-end system of a website, including the database, cloud network, and security features. In addition to coding, you test and debug your developments and work with other team members using development strategies and methodologies.

Can I learn full stack in 3 months?

Becoming a Junior Full Stack Developer in 3 months is challenging but possible with intensive study, focusing on core skills like HTML, CSS, JavaScript, and backend frameworks. Success depends on prior experience, learning pace, and dedication, but typically, full proficiency requires longer training and practical experience.

Will AI replace full stack dev?

AI is unlikely to fully replace full stack developers, as their role involves complex problem-solving, creativity, and understanding user needs that current AI cannot replicate. Instead, AI tools can assist developers by automating repetitive tasks and enhancing productivity, allowing them to focus on more strategic aspects of development. Continuous learning and adapting to new technologies remain essential for full stack developers to stay relevant in the evolving tech landscape.

What are some common challenges Junior Full Stack Developers face during their first year on the job?

Junior Full Stack Developers often encounter challenges such as balancing the demands of both front-end and back-end development, adapting to new frameworks or tools, and managing time effectively across multiple projects. Collaborating with more experienced team members and understanding how to communicate technical concepts clearly can also be a learning curve. Regular code reviews and mentorship are commonly provided to help junior developers grow their skills and confidence in a supportive team environment.

How much do junior full stack developers make?

Junior full stack developers typically earn between $50,000 and $80,000 annually, depending on location, industry, and experience. Entry-level roles often require knowledge of programming languages like JavaScript, Python, or Java, and familiarity with frameworks such as React or Node.js.
More about Junior Full Stack Developer jobs
What are the most commonly searched types of Full Stack Developer jobs in Chelsea, MA? The most popular types of Full Stack Developer jobs in Chelsea, MA are:
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What cities near Chelsea, MA are hiring for Junior Full Stack Developer jobs? Cities near Chelsea, MA with the most Junior Full Stack Developer job openings:
Junior Full Stack Developer jobs near you
Infographic showing various Junior Full Stack Developer job openings in Chelsea, MA as of June 2026, with employment types broken down into 100% Full Time. Highlights an 49% In-person, and 51% Remote job distribution, with an average salary of $96,683 per year, or $46.5 per hour.

Java Full-Stack Developer

Kasmo Global

Boston, MA • On-site

$57 - $73.50/hr

Other

Posted 26 days ago

Job description

Java Full-Stack Developer

Experience: 8+

Location: Boston, MA

Key Responsibilities
  • Lead and mentor a team of developers to design and build Java applications using Spring Framework and Spring Boot.
  • Develop, test, and maintain robust, scalable, and secure APIs leveraging Kong Konnect for API management.
  • Integrate Kong Konnect with backend systems and implement various API management features such as security, rate limiting, authentication, and logging.
  • Work closely with product managers, architects, and other cross-functional teams to deliver high-quality solutions.
  • Perform code reviews, provide feedback, and ensure adherence to development best practices, coding standards, and security guidelines.
  • Optimize application performance and troubleshoot performance issues.
  • Collaborate on designing microservices architecture and deployment strategies.
  • Contribute to system design and architecture discussions.
  • Manage the end-to-end lifecycle of API development, deployment, and monitoring.
  • Stay up-to-date with emerging technologies and best practices.

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