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Sr Full Stack Java Jobs in Massachusetts (NOW HIRING)

Jobsbridge

Full Stack Developer (UI/UX)

Waltham, MA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Role And Responsibilities Work as a member of a software development team as ...

Leader Bank

Senior Full Stack Developer

Arlington, MA · On-site

$85K - $160K/yr

Summary We are seeking a highly motivated and versatile Senior Full Stack Developer who combines strong technical expertise with curiosity, collaboration, ownership, and a passion for delivering high ...

LEADER BANK

Senior Full Stack Developer

Arlington, MA · On-site

SummaryWe are seeking a highly motivated and versatile Senior Full Stack Developer who combines strong technical expertise with curiosity, collaboration, ownership, and a passion for delivering high ...

VibeIQ Inc.

Sr. Full Stack Engineer (Backend)

Boston, MA · On-site

$180K - $200K/yr

Sr. Full Stack Engineer (Backend) Salary Range : $180,000 - $200,000 annually This range reflects the base salary VibeIQ expects to pay for this role. Actual offers may vary based on the candidate ...

VibeIQ Inc.

Sr. Full Stack Engineer (Backend)

Boston, MA · On-site

$150K - $200K/yr

Sr. Full Stack Engineer (Backend) Salary Range : $150,000 - $200,000 annually This range reflects the base salary VibeIQ expects to pay for this role. Actual offers may vary based on the candidate ...

Manulife

Senior Full-Stack Software Engineer

Boston, MA · Hybrid

$178K/yr

Senior Full-Stack Software Engineer Job Duties: Design, develop, test, deliver, maintain, and ... Java development experience; 3) 1 year of experience troubleshooting and resolving website ...

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Sr Full Stack Java information

What is a Sr Full Stack Java developer?

Sr Full Stack Java developers are experienced software engineers who design, build, and maintain both the front-end and back-end components of web applications using Java and related technologies. They are proficient in server-side development with Java frameworks like Spring or Java EE, as well as front-end technologies such as HTML, CSS, JavaScript, and modern JavaScript frameworks. Their responsibilities often include system architecture, API integration, database management, and leading technical teams. They play a key role in ensuring the application is robust, scalable, and user-friendly. Senior full stack developers also mentor junior developers and contribute to best practices within their teams.

What are the key skills and qualifications needed to thrive as a Sr Full Stack Java developer?

To thrive as a Sr Full Stack Java Developer, you need advanced knowledge of Java, JavaScript frameworks, RESTful APIs, and experience with both front-end and back-end development, typically backed by a computer science degree or equivalent experience. Familiarity with tools such as Spring Boot, Angular or React, version control systems like Git, and cloud platforms such as AWS or Azure is highly valued. Strong problem-solving abilities, effective communication, and leadership skills are important soft skills for this role. These competencies enable the developer to build robust, scalable applications, collaborate efficiently with teams, and drive successful project outcomes in dynamic tech environments.

What are some common challenges faced by Sr Full Stack Java developers when managing both front-end and back-end tasks?

Sr Full Stack Java developers often face the challenge of balancing priorities between front-end user experience and back-end system performance. Navigating frequent context switching, keeping up with evolving frameworks, and ensuring seamless integration between client and server components are typical hurdles. Additionally, collaborating effectively with designers, DevOps engineers, and QA teams is crucial to deliver robust, scalable applications. Staying updated on best practices and maintaining clear communication within cross-functional teams can help address these challenges.

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Sr Full Stack Java jobs near you
Infographic showing various Sr Full Stack Java job openings in Massachusetts as of September 2026, with employment types broken down into 1% Internship, 87% Full Time, 4% Part Time, 7% Contract, and 1% Nights. Highlights an 80% Physical, 4% Hybrid, and 16% Remote job distribution.

Senior Full Stack Engineer

Framingham, MA

Sincere Corporation
Software Development • 1 - 10 employees
Learn more about Sincere Corporationexternal

$120K - $160K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 7 days ago

Job description

Sincere is looking for a Senior Full Stack Engineer to help us make our products meaningfully better. This is a high-ownership individual contributor role for a seasoned engineer who can take a broad product area, understand the customer and business needs, and ship high-quality improvements.

You will:

  • Build full-stack features across Ruby on Rails and Next.js
  • Own product initiatives end-to-end, from identifying opportunities and shaping solutions through implementation, launch, and iteration
  • Partner with product/project managers and designers to identify customer pain points, uncover product opportunities, and deliver meaningful improvements
  • Use tools like Claude Code and Codex as a core part of your workflow to explore, develop, test, and ship
  • Make practical technical decisions that balance speed, quality, maintainability, performance, and customer impact
  • Build polished, reliable, easy-to-use experiences with strong attention to UX
  • Use tools like Datadog and Mixpanel to monitor production behavior, investigate issues, and inform product decisions
  • Champion new ideas and continuously look for ways to improve our products, engineering practices, and customer experience

You are:

  • A seasoned full-stack engineer with 7+ years of professional software development experience
  • Comfortable working across our stack, including Ruby on Rails, TypeScript, React, Next.js, MySQL/Postgres, Redis, MongoDB, Sidekiq, OpenSearch, AWS, and Docker
  • Fluent with AI-assisted development tools such as Claude Code or Codex
  • Proven at building and maintaining large-scale customer-facing web applications
  • Product-minded, with strong instincts for customer needs, UX quality, business value, and technical tradeoffs
  • A self-starter who brings structure to loosely defined problems and drives them through execution
  • A strong partner to DevOps, with enough understanding of system architecture, cloud infrastructure (AWS), deployment, containerization, and infrastructure-as-code (Terraform) to collaborate effectively
  • Skilled at working in mature codebases, understanding existing architecture, and improving systems pragmatically
  • Detail-oriented, with high standards for both the code and the customer experience
  • Entrepreneurial, curious, and biased toward building, experimenting, and shipping
  • Collaborative and low-ego, with strong communication skills and pride in your craft

Benefits

Do you want to work at a growing company that invests in its team more than the average employer? Sincere is a family of brands with heart. The Company is home to Punchbowl, Lovebird, Timehop, and Memento, and builds technology that brings you closer and helps show you care to the people who matter the most. With Sincere Foundation, we support organizations that address basic needs, and envision a future where everyone has the opportunity to celebrate, recognize milestones, and honor memories. We provide a fun, casual, and innovative environment where hard work is recognized and rewarded.

What We Offer: 

  • 100% Health, Dental & Vision coverage 
  • 401K Plan with Profit Share 
  • Annual bonus potential 
  • Health & Wellness stipends 
  • Paid time off plus 12 paid holidays & Summer Fridays 
  • Paid parental leave 
  • Childcare benefits (dependent care FSA)
  • Flexible, hybrid work environment
  • In-person, all-expenses-paid Team Summits (2X a year)
    PLEASE NOTE: Our team is primarily based in Greater Boston. We will consider applicants who reside anywhere within a 2 hour drive of the city. While this role is remote, we have occasional in-person meetings at the office (every 4-6 weeks typically).
    The base salary range for this role is $120,000 - $160,000. Actual salary may vary based on skills and experience.

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