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Freelance Full Stack Web Developer Jobs in Barre, MA

Bentley Systems

Sr. Optimizely Developer

Templeton, MA · On-site +1

$121K - $159K/yr

We want an engineer who is not just a master of the Optimizely stack, but someone who is highly AI ... Experience: 5+ years of full-stack web development experience, with at least 3+ years of dedicated ...

Judge Group, Inc.

Full Stack Java Developer

Worcester, MA · On-site

$50 - $75/hr

HYBRID SCHEDULE: 1 Day onsite PER MONTH in Worcester, MA or Cambridge, MA Overview A dynamic team is seeking a skilled Full Stack Java Developer to contribute to the development of a cutting-edge ...

Infosys

Java Full Stack Developer

Princeton, MA · On-site

$78K - $120K/yr

... Oriented Programming (OOP) Patterns and Concepts • Familiarity with different design and ... popular web application frameworks like Play and Spark • Relevant Knowledge of Java GUI ...

Infosys

Python Full Stack Developer

Princeton, MA · On-site

Required Skill and Experience • Experience in Python- Design and develop scalable web applications using Python and React JS. • Build and maintain RESTful APIs using frameworks such as FastAPI ...

Infosys

Java Full stack Developer

Princeton, MA · On-site

$54.25 - $70/hr

In the assigned Job Role of Technology Consultant 2, your Area Of Responsibility will be as below: • Contribute to the requirements elicitation process by documenting assigned parts of business ...

Electric Hydrogen

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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Freelance Full Stack Web Developer information

See Barre, MA salary details

$53.9K

$128.3K

$262.3K

How much do freelance full stack web developer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for freelance full stack web developer in Barre, MA is $128,312.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,100.00 and $139,300.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a freelance full stack web developer?

To thrive as a Freelance Full Stack Web Developer, you need strong proficiency in both front-end (e.g., HTML, CSS, JavaScript) and back-end (e.g., Node.js, Python, databases) development, often supported by a relevant degree or portfolio of work. Familiarity with frameworks like React or Angular, version control systems like Git, and cloud platforms such as AWS or Heroku is typically required. Excellent communication, time management, and problem-solving skills help you stand out when working independently with clients. These skills and qualities are crucial for delivering high-quality projects, managing client relationships, and adapting to varied technical requirements.

What are some common challenges freelance full stack web developers face when managing multiple client projects simultaneously?

Freelance full stack web developers often juggle several projects at once, which can make time management and prioritization essential challenges. Balancing deadlines, responding promptly to client communications, and ensuring consistent code quality across different tech stacks require strong organizational skills. Additionally, freelancers must proactively set clear expectations with clients about project scope and turnaround times to avoid scope creep and burnout. Using project management tools and maintaining open communication are key strategies for managing these challenges effectively.

Is a freelance full stack web developer still in demand?

Yes, freelance full stack web developers are in high demand due to the ongoing need for website and application development across various industries. Skills in popular frameworks, JavaScript, and cloud services increase employability, and remote work opportunities continue to grow in this field.

What is a freelance full stack web developer?

A Freelance Full Stack Web Developer is a self-employed professional who designs and builds both the front-end (user interface) and back-end (server-side logic, databases) of websites and web applications. They work on a contract or project basis for various clients rather than being tied to a single employer. Full stack developers are skilled in multiple programming languages and frameworks, enabling them to handle all aspects of web development. Their versatility allows clients to hire one person for end-to-end web solutions.

Can a freelance full stack web developer do freelancing?

A freelance full stack web developer can definitely do freelancing, as this role involves providing web development services independently to clients. They typically work remotely, using skills in programming languages, frameworks, and tools to complete projects on a flexible schedule. Freelancers often manage their own clients, contracts, and payments, making freelancing a common career path for full stack developers.
What cities near Barre, MA are hiring for Freelance Full Stack Web Developer jobs? Cities near Barre, MA with the most Freelance Full Stack Web Developer job openings:
Freelance Full Stack Web Developer jobs near you
Infographic showing various Freelance Full Stack Web Developer job openings in Barre, MA as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 14% Part Time, and 7% Contract. Highlights an 85% Physical, 3% Hybrid, and 12% Remote job distribution, with an average salary of $128,312 per year, or $61.7 per hour.

Sr. Optimizely Developer

Bentley Systems

Templeton, MA • On-site, Remote

$121K - $159K/yr

Other

Posted 8 days ago

Job description

Department: Digital Marketing
Reports To: Senior Product Manager, Web Experience & Growth

Direct reports: 0

Location: Hybrid, Denver, CO or home-based, Boston, MA 

Position Summary: 

Why Join Bentley Digital Marketing Now? 

There has never been a more exciting time to join the Marketing team at Bentley Systems. As a globally established, industry-leading software company, we are undergoing a rapid, high-impact digital transformation. We are heavily investing in modern marketing technology, forward thinking strategies, and data-backed experimentation. Here, you experience a rare professional synergy: the scale of a company whose established products actively shape the world's infrastructure, paired with the agility and "builder" mentality of a startup. We are actively building the future of digital marketing at Bentley, and we are looking for innovators to help us shape it. 

About the Role 

We are seeking a highly skilled Senior Optimizely Developer to serve as the technical backbone of our digital growth and web experience initiatives. Reporting directly to the Senior Product Manager of Optimizely, you will be the resident technical expert responsible for developing within both Optimizely CMS and Optimizely Web Experimentation. 

We want an engineer who is not just a master of the Optimizely stack, but someone who is highly AI-curious and forward-thinking. You should be driven by the desire to "go fast" - leveraging AI-assisted coding tools to write cleaner code faster, accelerate test deployment, and rapidly iterate on digital experiences. If you love building scalable architecture while constantly finding innovative ways to speed up your development cycles, this is the role for you. 

Responsibilities: 

  • Optimizely CMS Development (Backend & Architecture) 

    • Component & Template Build: Design, develop, and maintain reusable blocks, page templates, and content models within Optimizely CMS (formerly Episerver) to empower marketing teams to launch pages quickly. 

    • Platform Architecture: Ensure the CMS architecture is scalable, secure, and optimized for performance (Core Web Vitals). 

    • Integrations: Build and maintain API integrations between Optimizely CMS and our broader enterprise tech stack (e.g., Salesforce, Marketo, Adobe Commerce, and custom internal systems). 

  • Experimentation & Personalization (Frontend Execution) 

    • Complex Test Engineering: Code and deploy complex A/B, split, and multivariate tests within Optimizely Web Experimentation. Handle advanced scenarios that go beyond basic WYSIWYG editing, requiring deep DOM manipulation and dynamic content rendering. 

    • Personalization Deployment: Engineer targeted, brand-compliant personalization campaigns tailored to specific B2B user segments and account-based marketing (ABM) lists. 

    • AI-Assisted Engineering: Actively leverage AI coding assistants (e.g., GitHub Copilot, ChatGPT) to write, debug, and optimize frontend code, drastically reducing the time it takes to deploy complex experiments. 

    • Server-Side Testing: Collaborate on server-side testing initiatives and feature flagging using Optimizely Feature Experimentation (Full Stack) when frontend execution is insufficient. 

  • Quality Assurance & Code Governance 

    • Technical QA: Conduct rigorous cross-browser and cross-device testing for all CMS deployments and active experiments to ensure a flawless user experience without layout shifts or flicker. 

    • Code Quality & Best Practices: Establish and document technical best practices, coding standards, and governance rules for our Optimizely environments. 

  • Cross-Functional Collaboration 

    • Partner with CRO & Product: Work hand-in-hand with the Senior Product Manager, Senior Manager of CRO, and Manager of CRO to evaluate the technical feasibility of proposed tests, CMS features, and rapidly prototype solutions. 

    • Collaborate with UX/UI: Partner with design teams to translate wireframes and Figma prototypes into pixel-perfect, interactive digital experiences. 

  • Requires sitting or standing at will while performing work on a computer (or any other physical requirements).  

Qualifications: 

  • Experience: 5+ years of full-stack web development experience, with at least 3+ years of dedicated, hands-on experience developing within the Optimizely ecosystem. 

  • CMS Backend (Critical): Deep expertise in C#, .NET Core / MVC, and backend architecture specifically for Optimizely CMS (Episerver). 

  • Experimentation Frontend (Critical): Advanced proficiency in HTML5, CSS3/SASS, and JavaScript (Vanilla, ES6+, jQuery, React/Vue) to build complex DOM manipulations and dynamic web experiences for Optimizely Web Experimentation. 

  • AI & Speed: A forward-thinking, "go fast" mentality with demonstrated experience using AI development tools to accelerate coding, debugging, and testing workflows. 

  • Optimizely Intricacies: Deep understanding of Optimizely's specific platform nuances, including Project JS, visual tags, audience targeting logic, anti-flicker snippets, and caching behaviors. 

  • B2B Web Experience: Experience developing for complex enterprise B2B websites, including lead generation funnels and gated content workflows. 

  • Version Control & CI/CD: Strong experience using Git and modern CI/CD pipelines (e.g., Azure DevOps, GitHub Actions) for seamless code deployment. 

  • Certifications (Bonus): Active Optimizely Developer certifications (CMS or Web Experimentation) are highly preferred. 

What We Offer: 

  • A great Team and culture - please see our colleague video. 

  • An exciting career as an integral part of a world-leading software company providing solutions for architecture, engineering, and construction - watch this short documentary about how we got our start. 

  • An attractive salary and benefits package. 

  • A commitment to inclusion, belonging and colleague wellbeing through global initiatives and resource groups. 

  • A company committed to making a real difference by advancing the world's infrastructure for better quality of life, where your contributions help build a more sustainable, connected, and resilient world. Discover our latest user success stories for an insight into our global impact. 

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