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Sr Full Stack Java Jobs in Massachusetts (NOW HIRING)

Demoulas Super Markets, Inc.

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Senior Full Stack Web Developer

Andover, MA · On-site

$120K - $160K/yr

Position Summary We are seeking a talented and motivated senior level Full-Stack Web Developer to ... Java * Git * Oracle SQL Databases * Visual Studio * Visual Studio Code * Eclipse * Solid ...

CNCSINFOTECH LLC

Full-Stack Developer (Java)

Boston, MA

$57 - $73.50/hr

Ideally looking for a full stack developer with experience in Java and Java based Web based technology suite., with hands on experience in use of AWS. We are looking for this person to develop web ...

Jobsbridge

Full Stack Web Developer

Burlington, MA · On-site

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 4+ years of experience programming in JavaScript, HTML, CSS and cross ...

Jobsbridge

Full Stack Web Developer

Burlington, MA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. You have: 4+ years of experience programming in JavaScript, HTML, CSS and ...

Jobsbridge

Full Stack Developer (UI/UX)

Waltham, MA · On-site

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 ...

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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 August 2026, with employment types broken down into 92% Full Time, 3% Part Time, 4% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Senior Full Stack Engineer, Sponsored Ads

Chewy

Boston, MA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago

Chewy rating

6.9

Company rating: 6.9 out of 10

Based on 227 frontline employees who took The Breakroom Quiz

9th of 39 rated national retailers

Job description

Job Description:
Our Opportunity:
Chewy's Sponsored Ads business is growing rapidly, and we're looking for an experienced Senior Full Stack Engineer to help drive the evolution of our advertising platform. This role focuses on building scalable, high-performance systems that power key ad capabilities for both advertisers. You'll lead frontend development efforts, mentor junior engineers, and play a critical role in shaping one of Chewy's fastest-growing revenue streams.
As an experienced Software Engineer with a background in frontend and full-stack development. You excel in working on backend and frontend services with technologies like Typescript, Python, Java and both SQL/NoSQL databases. You have expertise in CI/CD pipelines (Jenkins), cloud environments (AWS), and authentication services.
Your hands-on experience and track record ensure you can build and ship new applications or features to existing applications, quickly and efficiently.
Launched in 2022, Chewy's Sponsored Ads platform enables vendors to promote their products on-site and offsite, significantly contributing to Chewy's revenue growth. The Ads Demand team owns the frontend and backend of the Advertiser portal which enables advertisers create, manage and optimize their ad campaigns. We are based in Boston and Seattle.
What You'll Do:
  • Lead project delivery and system architecture for full stack services, while mentoring junior engineers and promoting engineering excellence across the team.
  • Design and implement scalable, low-latency services in Typescript, Java, Python, powering core advertising capabilities such as auction processing, targeting, and performance tracking.
  • Develop robust and well-documented RESTful APIs to support campaign management, reporting, and integration with advertiser-facing tools.
  • Build resilient systems with strong observability, leveraging automated testing, monitoring, and CI/CD pipelines using infrastructure-as-code tools like Terraform.
  • Collaborate closely with product managers, data scientists, and fellow engineers to build systems that support real-time and asynchronous workflows.
  • Drive technical design reviews, conduct code reviews, and lead initiatives to improve platform reliability, performance, and scalability.
  • Take ownership of project estimation and delivery, partnering with stakeholders to deliver high-impact features that enhance the advertiser and customer experience on the Chewy Ads platform.

What You'll Need:
  • Bachelor's degree in Computer Science or related field (or equivalent experience).
  • 5-10 years of experience as a Software Engineer, with a strong focus on backend development using modern languages and frameworks including Typescript, Java, Python, SpringBoot, NextJS and React
  • Proven experience building scalable, highly available systems.
  • Experience integrating AI/ML models working alongside Data Science team.
  • Ninja coding and debugging skills
  • Passion for data-driven development, observability, and metrics.
  • Knowledge of professional software engineering practices including coding standards, code reviews, source control, build processes, testing, and operations
  • Solid understanding of CS fundamentals: object-oriented design, algorithms, and problem-solving
  • Excellent verbal and written communication skills.

Bonus:
  • Experience in Ad Tech and/or e-commerce.
  • Experience with Scrum, XP or other agile methodologies.
  • Experience with full stack development
  • Familiarity with AWS cloud services, including serverless computing, data processing, and storage solutions.

  • The specific salary offered to a candidate may be influenced by a variety of factors including but not limited to the candidate's relevant experience, education, and work location. In addition, this position is eligible for 401k and a new hire and annual equity grant. C08+ positions may also be eligible for annual bonus.

We offer different types of insurance and benefits, such as medical/Rx, vision, dental, life, disability, hospital indemnity, critical illness, and accident. We offer parental leave, family services benefits, backup dependent care, flexible spending accounts, telemedicine, pet adoption reimbursement, employee assistance program, and many discounts including 10% off pet insurance and 20% off at Chewy.com.
Exempt salary team members have unlimited PTO, subject to manager approval. Team members will receive six paid holidays per year. Team members may be eligible for paid sick and family leave in compliance with applicable state and local regulations.
Chewy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, gender, citizenship, marital status, religion, age, disability, gender identity, results of genetic testing, veteran status, as well as any other legally-protected characteristic. If you have a disability under the Americans with Disabilities Act or similar law, and you need an accommodation during the application process or to perform these job requirements, or if you need a religious accommodation, please contact CAAR@chewy.com.
To access Chewy's California CPRA Job Applicant Privacy Policy, please click here.

What Chewy employees say

Pay

Benefits

Hours and flexibility

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About Chewy

Sourced by ZipRecruiter

Chewy is a prominent player in the e-commerce industry, specifically dedicated to pet owners. Based in Dania Beach, Florida, the company was founded in 2011 with the aim to make pet shopping easier and more convenient. Chewy offers a wide range of products including pet food, toys, and other pet-related essentials from over 1,000 trusted brands, along with prescription food and medications from certified veterinarians. The company stands out for its dedication to providing 24/7 customer service and shipping orders over $49 for free. Chewy's mission is to be the most trusted and convenient online destination for pet parents everywhere by committed to delivering pet happiness.

Industry

Retail

Company size

10,000+ Employees

Headquarters location

Plantation, FL, US

Year founded

2011

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