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Junior Full Stack Developer Jobs in Massachusetts

As a Mission Engineer (Full Stack) in the Mission Applications Group, you will develop and deploy software essential for a specific, real-world objective or "mission" in partnership with our ...

Java Full-Stack Developer

Westford, MA · On-site

$54.50 - $70.50/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.

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.

... 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 ...

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 ...

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.

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 ...

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 ...

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 ...

Full Stack Java Developer

Boston, MA

$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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Showing results 1-20

Junior Full Stack Developer information

See Massachusetts salary details

$26.2K

$97.2K

$150.2K

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

As of Jun 27, 2026, the average yearly pay for junior full stack developer in Massachusetts is $97,172.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,200.00 and $95,000.00 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.
What are the most commonly searched types of Full Stack Developer jobs in Massachusetts? The most popular types of Full Stack Developer jobs in Massachusetts are:
What cities in Massachusetts are hiring for Junior Full Stack Developer jobs? Cities in Massachusetts with the most Junior Full Stack Developer job openings:
Infographic showing various Junior Full Stack Developer job openings in Massachusetts as of June 2026, with employment types broken down into 100% Full Time. Highlights an 60% In-person, and 40% Remote job distribution, with an average salary of $97,172 per year, or $46.7 per hour.
Full Stack Developer

Full Stack Developer

STR

Woburn, MA

$175K - $240K/yr

Full-time

Posted 22 days ago


Job description

About the Team:

Information processing and sense-making systems are the lifeblood of national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability, accessibility, and sophistication of these systems can determine the outcomes of conflicts before they begin. STR's Analytics and Command & Control (AC2) Division focuses on developing actionable, advanced technology solutions to provide asymmetric advantages within the information domain.

The Mission Applications (MA) Group within the AC2 Division specializes in ensuring the technology that STR creates produces outsized mission impact. Staff within the MA group have a deep understanding of missions and technology needs for national security with skills targeting transition of technology to operational use, including product management, UX Product implementation, software integration & mission engineering, platform engineering, DevOps, and program management. MA staff combine with other science and engineering staff from the various STR research and development groups to form dedicated product teams focused on accelerating the operational transition of cutting-edge software technologies.

The Role:

As a Mission Engineer (Full Stack) in the Mission Applications Group, you will develop and deploy software essential for a specific, real-world objective or "mission" in partnership with our customers. You have: 1) expertise in developing and deploying software solutions in complex and high-security environments, 2) deep domain knowledge in the complex missions executed across the Department of Defense, and 3) expertise in modern frameworks, building full stack applications, and integrating APIs for deployment in high-security environments.

You will work as a leader of software teams to design, develop, and maintain software systems deployed in operational use. You have experience managing customer relationships while simultaneously leading engineering teams to ensure the delivered product meets the highest standards of quality, reliability, and performance. 

What you will do:

  • Build Prototype Capabilities: Break down use cases and user-defined problems, build an MVP, and rapidly evolve a solution into a cohesive application
  • Develop and Enhance Features: Create high-performance, visually appealing frontend solutions that handle complex use cases effectively. Ensure the product is fast, smooth, and intuitive to use, even under heavy load
  • System Integration: Leading cross functional engineering teams to design, build, and deploy a cohesive system. Integrate independent capabilities into existing solutions
  • Customer Collaboration: Working closely with end-users and customers, who are typically military or Government operators, to understand their requirements and translate them into software features. You are experienced in product discovery best practices
  • Deployment and Field Testing: Traveling to integration sites to deploy, test, and triage software in secure operational environments. On average, travel to customer sites should not exceed one week per month

Who You Are:

  • Ability to obtain security clearance, for which U.S Citizenship is needed by the U.S government
  • BS in Computer Science or related technical field with at least 7 years of work experience. Equivalent experience will be considered
  • Experience deploying software for DoD or IC missions
  • A passion for crafting user-centric interfaces and a keen eye for design details
  • Demonstrated strong knowledge of modern technologies such as React, TypeScript, and Python
  • Knowledge of performance-focused tools and techniques for rendering large datasets and building responsive, smooth interfaces
  • A demonstrated ability to adopt new languages, libraries, and technologies
  • Organized, detail-oriented, and with an ability to work both independently and collaboratively
  • Demonstrated experience as an effective communicator to both technical and non-technical audiences

Even Better:

  • Active Security Clearance at the Top Secret level with SCI Eligibility
  • Advanced Degree in Computer Science, Information Technology, or related technical field
  • Prior US Military Service with experience in joint planning, large force battle monitoring, and fluidity with large force debrief best practices
  • Located in San Diego, CA, Denver, CO, Arlington, VA, or Boston, MA, or willing to relocate

Pay Information
Full-Time Salary Range: $175,000 - $240,000

The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.

STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.


STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.

If you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.

Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.