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Full Stack Java Developer Jobs in Fitchburg, MA (NOW HIRING)

Java Backend Engineer

Merrimack, NH · On-site

$51.75 - $67/hr

Collaborate with DevOps teams to implement monitoring, resiliency, and release pipelines . Lead ... Here, you'll reach your full potential because... You are invited to be an owner from day 1 as we ...

Principal Software Engineer

Merrimack, NH · On-site

$138K - $185K/yr

Our full stack engineers work across a range of client, middle tier, messaging, caching and database technologies including Java, Spring boot, Angular, TypeScript, JavaScript, REST, SQL and PL/SQL ...

Principal Software Engineer

Merrimack, NH · On-site

$138K - $185K/yr

Our full stack engineers work across a range of client, middle tier, messaging, caching and database technologies including Java, Spring boot, Angular, TypeScript, JavaScript, REST, SQL and PL/SQL ...

Java Tutor

Lowell, MA · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism, interfaces, exception handling, generics, collections framework, file I/O, and multithreading.

Electrolyzer Stack Engineer

Devens, MA · On-site

$75K - $130K/yr

We are seeking an Electrolyzer Stack Engineer to join our Stack Engineering team. In this role, you will contribute to the development of Electric Hydrogen's current and next-generation electrolyzer ...

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Full Stack Java Developer information

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How much do full stack java developer jobs pay per hour?

As of Jul 9, 2026, the average hourly pay for full stack java developer in Fitchburg, MA is $58.76, according to ZipRecruiter salary data. Most workers in this role earn between $51.06 and $65.91 per hour, depending on experience, location, and employer.

What is a Full Stack Java Developer?

A Full Stack Java Developer is a software professional skilled in both front-end and back-end development using Java technologies. They are proficient in building complete web applications, handling everything from designing user interfaces and user experiences to managing databases and server-side logic. Typically, they work with frameworks like Spring Boot for the backend and technologies like HTML, CSS, and JavaScript for the frontend, ensuring seamless integration between the two. Full Stack Java Developers are valued for their versatility and ability to manage all aspects of the software development process.

What are the typical challenges Full Stack Java Developers face when working on cross-functional teams?

Full Stack Java Developers often collaborate with front-end designers, back-end engineers, and QA specialists, which can lead to challenges in aligning technical requirements, timelines, and coding standards. Navigating different priorities and communication styles is common, especially when integrating new features or resolving bugs that span both client and server sides. Success in this environment requires flexibility, proactive communication, and a willingness to quickly adapt to shifting project needs or technologies.

What Is a Full Stack Java Developer?

A full stack Java developer is a web developer that uses the Java language in the development of the entire technology stack of a web-based application. The job duties of a full stack Java developer are to create both front-end components, such as user interfaces and back-end components, such as application code and databases. As a full stack Java developer, you must understand how the entire technology stack functions as a whole and have deep expertise of each component. Java is a computer programming language that has become one of the most popular for web application development.

What is the difference between Full Stack Java Developer vs Backend Java Developer?

AspectFull Stack Java DeveloperBackend Java Developer
Required SkillsJava, front-end (HTML, CSS, JavaScript), frameworks like Angular/React, databasesJava, server-side frameworks (Spring, Hibernate), databases, APIs
Work EnvironmentDevelops both client and server-side applications, often in agile teamsFocuses on server-side logic, APIs, and database integration
CertificationsJava certifications, full stack development coursesJava certifications, backend-specific courses
Industry UsageStartups, tech companies, full stack rolesEnterprise applications, backend services, API development

Full Stack Java Developers work on both front-end and back-end components, requiring a broader skill set. Backend Java Developers focus solely on server-side logic and database integration. The choice depends on your interest in full application development versus specialized backend work.

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

To thrive as a Full Stack Java Developer, you need strong proficiency in Java, front-end frameworks (such as Angular or React), back-end technologies, and a solid understanding of databases, often supported by a degree in computer science or a related field. Familiarity with version control systems like Git, build tools such as Maven or Gradle, and knowledge of Spring Boot or similar frameworks are typically required, along with relevant certifications. Effective communication, problem-solving abilities, and adaptability are standout soft skills in this role. These skills and qualities are essential to deliver robust, user-friendly applications and to collaborate efficiently across the software development lifecycle.
What are the most commonly searched types of Full Stack Java Developer jobs in Fitchburg, MA? The most popular types of Full Stack Java Developer jobs in Fitchburg, MA are:
What cities near Fitchburg, MA are hiring for Full Stack Java Developer jobs? Cities near Fitchburg, MA with the most Full Stack Java Developer job openings:
Infographic showing various Full Stack Java Developer job openings in Fitchburg, MA as of July 2026, with employment types broken down into 58% Full Time, and 42% Contract. Highlights an 100% In-person job distribution, with an average salary of $122,216 per year, or $58.8 per hour.
Principal Full Stack Engineer

Principal Full Stack Engineer

Fidelity Investments

Merrimack, NH • On-site

Full-time

Re-posted 25 days ago


Fidelity Investments rating

8.7

Company rating: 8.7 out of 10

Based on 266 frontline employees who took The Breakroom Quiz

16th of 146 rated financial services


Job description

Job Description:

Note: Fidelity will not provide immigration sponsorship for this position.

The Team

We at Fidelity Trade Management Engineering (TME) group are responsible for building and maintaining Fidelity's brokerage platform order management and trade processing system. We are high functioning, fast paced technology group that work on cutting edge technologies to deliver low latency and high throughput trading solutions. We want to work with an engineer who is versatile, always eager to take on new problems and share solutions as we push the technology forward. Working independently as well as collaboratively, it is important for this person to have a positive approach to leadership, teamwork, and a drive to deliver groundbreaking solutions every day.

The Expertise You Have

  • Have at least a bachelor's degree in Computer Science, Engineering, Information Technology or equivalent, with a preference for advanced study
  • Minimum 8 years of software design, development and performance testing experience
  • Deep hands-on experience in Software Performance Engineering
  • Demonstrated skill in Java, Spring, Python, Linux
  • Hands on experience using tools like jMeter to build performance harness for software benchmarking
  • Willingness to guide and mentor junior team members on solid engineering practices
  • Previous exposure to trading systems or brokerage technology
  • Knowledge of the FIX protocol is a plus

The Skills You Bring

  • Ability to understand end to end platform and identify issues that can cause performance, scalability or resilience issues
  • Effective analytical, communication, and organizational skills and a willingness to run with multiple tasks at a given time
  • Thrive in a team environment, collaborating openly and actively contributing
  • Able to innovate independently and work with leadership
  • Familiarity with event driven and service-oriented processing is required
  • Demonstrated work experience with cloud technologies. Industry certifications are welcome, but hands on experience and expertise are better. Walking the walk is the most important thing
  • An eye for detail and a skill for root cause analysis in diagnosing and mitigating production problems as quickly as possible in a dynamic, high value environment

The Value you Deliver

  • Work across organization and collaborate with teams to build highly scalable and resilient trading platform
  • Deliver high quality, timely, cost effective and maintainable software solutions in an agile environment to meet functional and non-functional business requirements
  • Actively contribute to the improvement of engineering practices such as code and design reviews, cloud strategy, and build and deployment pipelines
  • Work with squad lead and team tech lead on a frequent, recurring basis to design and implement novel solutions to complicated problems
  • Able to clearly present complex technical solutions, ideas, and plans to management, program teams, and less technical stakeholders as needed
  • Develop an understanding of the business domain you are working on and contribute to technology discussions with business partners and other external parties
  • Investigate creative practices and help decide how to apply them within the team.

Fidelity's Onsite Working Model
Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.

Certifications:Category:Information Technology

Please be advised that Fidelity's business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.


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