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Fullstack Java Jobs in Massachusetts (NOW HIRING)

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Fullstack Java information

What is a fullstack Java developer?

A Fullstack Java developer is a software professional skilled in both front-end and back-end development using Java and related technologies. They are capable of building complete web applications, handling everything from user interface design to database management and server-side logic. Typically, they work with Java frameworks like Spring or Java EE on the backend, and may use front-end technologies such as HTML, CSS, JavaScript, and frameworks like Angular or React. Fullstack Java developers are valued for their versatility and ability to manage end-to-end software projects.

What are the key skills and qualifications needed to thrive as a fullstack Java developer?

To thrive as a Fullstack Java Developer, you need strong proficiency in Java, front-end technologies (like HTML, CSS, JavaScript), and frameworks such as Spring and Angular or React, often supported by a relevant degree or certifications. Familiarity with databases (SQL/NoSQL), version control systems (like Git), and CI/CD tools is typically required. Problem-solving ability, effective communication, and adaptability are standout soft skills for collaborating across teams and addressing dynamic project needs. These capabilities are crucial for delivering robust, scalable applications and ensuring seamless integration between front-end and back-end systems.

What are some common challenges fullstack Java developers face when working on cross-functional teams?

Fullstack Java developers often collaborate with front-end, back-end, and DevOps teams to deliver end-to-end solutions. A common challenge is ensuring smooth integration between different technological stacks and managing communication gaps among team members with diverse expertise. Additionally, balancing priorities between client-side performance and server-side scalability can require careful planning and effective teamwork. Staying updated on both front-end and back-end best practices also demands ongoing learning and adaptability.

What is the difference between Fullstack Java vs Java Developer?

AspectFullstack JavaJava Developer
Required SkillsJava, JavaScript, HTML, CSS, frameworks like Spring and AngularJava, Spring, Hibernate, SQL
Work EnvironmentBoth front-end and back-end development, often in agile teamsPrimarily back-end development, server-side focus
CertificationsJava certifications, full-stack development coursesJava certifications, backend-specific courses
Industry UsageWeb applications, enterprise solutions, startupsBackend systems, APIs, enterprise applications

Fullstack Java developers have a broader skill set, working on both client-side and server-side components, while Java Developers typically focus on server-side Java applications. The choice depends on project needs and career goals.

Can you do fullstack with Java?

Fullstack Java developers work with both front-end and back-end technologies using Java for server-side development, often integrating frameworks like Spring and Hibernate. They typically also have skills in HTML, CSS, JavaScript, and related tools to build complete web applications. Knowledge of databases, REST APIs, and version control is essential for fullstack Java roles.

Is Fullstack Java still in demand?

Fullstack Java developers are currently in high demand due to their ability to work on both frontend and backend systems using Java frameworks like Spring Boot. Skills in related technologies such as JavaScript, HTML, and cloud platforms can enhance job prospects in this field.

Senior Software Engineer, Developer Experience Architecture

Boston, MA • On-site

CarGurus
Internet and IT • 1 - 5K employees

$140K - $176K/yr

Full-time

Re-posted 28 days ago


Job description

Who we are

At CarGurus (NASDAQ: CARG), our mission is to give people the power to reach their destination. We started as a small team of developers determined to bring trust and transparency to car shopping. Since then, our history of innovation and go-to-market acceleration has driven industry-leading growth. In fact, we're the largest and fastest-growing automotive marketplace, and we've been profitable for over 15 years.

What we do

The market is evolving, and we are too, moving the entire automotive journey online and guiding our customers through every step. That includes everything from the sale of an old car to the financing, purchase, and delivery of a new one. Today, tens of millions of consumers visit CarGurus.com each month, and 30,000 dealerships use our products. But they're not the only ones who love CarGurus-our employees do, too. We have a people-first culture that fosters kindness, collaboration, and innovation, and empowers our Gurus with tools to fuel their career growth. Disrupting a trillion-dollar industry requires fresh and diverse perspectives. Come join us for the ride!

Role overview

The Developer Experience Architecture team at CarGurus builds the platforms, tooling, and standards that make hundreds of engineers faster, safer, and more productive. You will work on our highest-leverage initiatives: standardizing AI agentic development (Claude Code, our internal plugin marketplace, and MCP integrations), evolving our authentication and identity platform (Keycloak, OAuth2/OIDC), and improving the paved paths for service and job creation on AWS. These are complex, cross-cutting problems with global impact. You will own your projects and partner with engineers and product managers across the org. And no, you do not need to know about cars to work here.

What you'll do

  • Design and ship developer tooling, core frameworks, and reusable templates that raise engineering productivity and quality
  • Advance our agentic development ecosystem: Claude Code configuration and governance, plugins and skills, and MCP servers
  • Strengthen the Auth service and agent identity model using Keycloak, OAuth2, and OIDC
  • Build and operate services with Java, Spring Boot, AWS, and Kubernetes
  • Define standards, guardrails, and best practices, then drive adoption across product teams
  • Continuously assess, root cause, and improve system reliability and performance

What you'll bring

  • Five or more years of hands-on, fullstack software design and development, including at least two years of Java.
  • Experience with client and server side JavaScript, including React, Node, and Remix, is a plus
  • Experience building performant, large-scale web applications and cloud-native systems on AWS or similar cloud providers
  • Working knowledge of authentication and identity standards (OAuth2/OIDC), or a strong appetite to learn them
  • Hands-on experience applying modern AI coding tools (assistants, agents, MCP) to real engineering work
  • Comfort writing tests, using observability tools, and owning projects end to end
  • Curious, collaborative, and eager to learn
  • Bachelor's degree in Computer Science or equivalent

The displayed range represents the expected annual base salary / On-Target Earnings (OTE) for this position. On-Target Earnings (OTE) is inclusive of base salary and on-target commission earnings, which applies exclusively to sales roles.
Individual pay within this range is determined by work location and other factors such as job-related skills, experience, and relevant education or training.
This annual base salary forms part of a comprehensive Total Rewards Package. In addition to benefits, this role may qualify for discretionary bonuses/incentives and Restricted Stock Units (RSUs).

Position Pay Range
$140,000—$176,000 USD


Working at CarGurus

We reward our Gurus' curiosity and passion with best-in-class benefits and compensation, including equity for all employees, both when they start and as they continue to grow with us. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways. A flexible hybrid model and robust time off policies encourage work-life balance and individual well-being. Thoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives.
CarGurus may require in-person interviews as part of our hiring process, particularly for positions based in our Boston and Dublin offices. Candidates selected for an in-person interview will be notified in advance. Please be aware that travel expenses are the responsibility of the candidate.

We welcome all

CarGurus strives to be a place to which people can bring the ultimate expression of themselves and their potential-starting with our hiring process. We do not discriminate based on race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation. We foster an inclusive environment that values people for their skills, experiences, and unique perspectives. That's why we hope you'll apply even if you don't check every box listed in the job description. We also encourage you to tell your recruiter if you require accommodations to participate in our hiring process due to a disability so we can provide the appropriate support. We want to know what only you can bring to CarGurus. #LI-Hybrid

Employment Type: FULL_TIME