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Freelance Full Stack Web Developer Jobs in Guilford, CT

Jobsbridge

Senior Big Data Developer

Bristol, CT · On-site

$53 - $68.75/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Responsibilities: Design, develop and implement big data solutions on both ...

Varsity Tutors

JavaScript Tutor

New Haven, CT · Remote

$18 - $40/hr

Ability to explain callback functions, scope and hoisting, and the event loop while preparing students for web development careers and full-stack engineering coursework. * Conceptual Teaching ...

Varsity Tutors

HTML Tutor

New Haven, CT · Remote

$18 - $40/hr

... engineering pathways. * Conceptual Teaching & Problem-Solving: Skilled at teaching web page ... full-stack web development skills. * Effective Teaching Methods: Ability to identify concepts ...

Subway

Director, Guest Engineering

Shelton, CT

Position Overview The Director, Guest Engineering is the single technical and organizational leader for Subway's full guest-facing digital stack mobile (iOS, Android), web, kiosk, and the middleware ...

New

BMG360

Agentic Solutions Engineer

Shelton, CT

$130K/yr

This is NOT a generalist DevOps or data engineering role. You specialize in API-first design, MCP protocol implementation, and full-stack internal tooling for agentic systems. You are the engineer ...

Varsity Tutors

Supabase Tutor

New Haven, CT · Remote

$18 - $40/hr

Emphasizes backend architecture understanding and connects Supabase to modern web application ... and full-stack project development to support developers from Supabase beginners through advanced ...

Brook & Whittle

Automation Engineer

Guilford, CT · On-site

... full-stack rhythm. * Stand up and maintain containerized services -- including self-hosted ... Proven experience as a backend developer. * Strong proficiency in programming languages such as C# ...

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All JobsFull Stack Web Developer JobsFreelance Full Stack Web Developer JobsFreelance Full Stack Web Developer Jobs in Guilford, CT

Freelance Full Stack Web Developer information

See Guilford, CT salary details

$50.4K

$120K

$245.3K

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

As of Aug 9, 2026, the average yearly pay for freelance full stack web developer in Guilford, CT is $119,996.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,400.00 and $130,300.00 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.
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Freelance Full Stack Web Developer jobs near you

Founding Software Engineer - AI & Operations (Full-Stack)

United Concrete

Wallingford, CT • On-site

Full-time

Medical, Dental, Retirement, PTO

Posted 9 days ago

Job description

The short version
We make precast concrete - the stuff underneath roads, buildings, and utilities across the Northeast. Our plants run on spreadsheets, memory, and paper. We're hiring one engineer to change that, with full ownership of architecture, stack, and roadmap.
You won't inherit legacy code. You won't ship features into a backlog nobody reads. You'll build systems that people 50 feet from your desk use every day - and they'll tell you, immediately and honestly, whether they work.
Why this role is different
  • You choose the stack. Green-field. Data model to UI, it's yours.
  • AI is the job, not a bolt-on. Real problems waiting for it:
    • We recently caught a $6,000 forklift parts invoice that a 5-minute manual price check found for half the cost. We want an OCR + LLM pipeline that catches every one of those automatically.
    • We have 10+ years of sales history and no forecasting. Every busy season, high-demand products stock out. You'll build the model that flags shortfalls before they happen.
    • A heater once ran all winter and nobody noticed until the bill review - years later. You'll build anomaly detection on energy and utility data so that never happens again.
  • Direct P&L impact. Your code will save real money, measurably, within months - not "improve engagement metrics."
  • You'll work across the whole business: production scheduling, dispatch and truck routing (including oversized loads), job cost accounting, predictive maintenance, procurement, and compliance.
What you'll build (first 12-18 months)
  • AI invoice auditing - OCR + LLM pipeline that extracts line items from scanned vendor invoices and checks them against market pricing, with human review where errors are costly
  • Demand forecasting - ML/time-series models on a decade of sales data, cross-referenced with mold inventory, to recommend what to pour next
  • Unified inventory & job costing - one system for raw materials, finished goods, labor hours, and purchases tied to specific jobs
  • Route & load planning - truck routing by weight capacity, trailer selection for over-weight/over-width loads, freight costs flowing into job cost sheets
  • Predictive maintenance - evaluate our existing MaintainX deployment (keep it, replace it, or integrate it - your call), then use maintenance history to flag high-wear parts before they fail
  • Compliance & alerts - fleet registrations, insurance, inspections, and real-time shipping/receiving notifications

Logistics
  • Location: 173 Church Street, Yalesville, CT - onsite with the people you're building for (adjust if hybrid flexibility is approved)
  • Compensation: [$X-$Y base] + [benefits summary] (strongly recommend posting a range - it materially improves reply and apply rates)
  • Process: intro call → technical deep-dive on a system you built → short practical exercise (invoice-extraction design) → meet the plant team → offer. Two weeks, start to finish, if you move fast.

Requirements
  • 3+ years of professional engineering experience, including at least one production system you owned end-to-end (data model → API → UI)
  • Strong full-stack fundamentals: a modern backend language, solid SQL/relational design, and a modern frontend framework - we care more about judgment than any specific stack
  • You've shipped LLM API integrations into production (OpenAI, Anthropic, etc.) - structured, task-specific automation, not chatbot demos
  • You've worked with OCR / document extraction and turned messy scans into clean, queryable data
  • You know when a simple regression beats a fancy model - and when AI doesn't earn its complexity
  • You use AI coding assistants (Claude Code, Copilot) daily and ship faster because of it
  • You genuinely enjoy sitting down with a dispatcher or plant manager, understanding their manual process, and turning it into software they actually adopt
  • You're self-directed and comfortable being the first engineer

Bonus points: manufacturing/logistics/construction software, route optimization or constraint problems, anomaly detection on time-series data, AI-assisted procurement tools.
You're probably not a fit if
  • You want a large engineering org, a defined career ladder, and someone else deciding the architecture
  • You need a product manager between you and your users
  • You're only interested in fully remote work

Benefits
  • Paid Vacation
  • Paid Holidays and Sick Time
  • Company 401K 10% Match
  • Group Medical and Dental

Apply