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Javascript Developer Jobs in Connecticut (NOW HIRING)

NDC

Front End Java Developer

Greenwich, CT

We are seeking a Java Developer/Web Apps for our Web Development Group to participate in all phases ... Strong knowledge of XML, JavaScript, CSS , HTML * Exposure to Tomcat, JSTL/EL, JavaBeans, jQuery ...

Elite WorkForce Inc

Salesforce Developer at CT

Hartford, CT · On-site

$56 - $74.25/hr

Salesforce Developer Location: Hartford, Connecticut (06106) Client: State of Connecticut Duration ... NET OOP and SOA, JavaScript frameworks, and SQL. * Proficiency in full-stack web development and ...

E*Pro, Inc.

.Net Developer

Shelton, CT

$48.50 - $64/hr

NET (1.1 /2.0/3.5/4.0),C#, ADO.NET, LINQ, Web Services, JavaScript, JQuery, XML, WCF, SQL , PL/SQL,SQL Server / Oracle DB Procedures, Programming, Testing, Deployment If you find yourself suitable ...

nLeague

Programmer/Developer

Hartford, CT · On-site

Job ID: 65327 Senior level Full Stack/Salesforce Developer Client: State of Connecticut - Duration ... JavaScript Frameworks preferred * SQL * End-to-End Web Development

InstantServe LLC

Senior Salesforce Developer

Hartford, CT · On-site

$126K - $154K/yr

Senior Salesforce Developer Location: Hartford, CT, 06106 | Hybrid (1 day/week or 2 days/2 weeks ... Required Skills: .NET Framework, C#, Web & Windows Services - Expert (10+ yrs) JavaScript & JS ...

Deegit Inc

SharePoint developer

East Hartford, CT · On-site

$48.25 - $63/hr

Sharepoint Developer Location : East Hartford , CT, USA Duration : 6+Months work experience : 3-5 ... in HTML5 , JavaScript , JQuery • Good communication and writing skills • 2-3 years of ...

CPIM do Brazil LTDA

JAVA DEVELOPER

Rocky Hill, CT · On-site

$48.50 - $63/hr

We are looking for Java Developers with experience in building high-performing, scalable ... Angular or react or any other JavaScript libraries * Oracle or any other databases and SQL ...

CPIM Group

JAVA DEVELOPER

Rocky Hill, CT

$48.50 - $63/hr

We are looking for Java Developers with experience in building high-performing, scalable ... other JavaScript libraries Oracle or any other databases and SQL scripting Advanced English ...

CPIM Group

JAVA DEVELOPER

Rocky Hill, CT · On-site

$48.50 - $63/hr

We are looking for Java Developers with experience in building high-performing, scalable ... other JavaScript libraries Oracle or any other databases and SQL scripting Advanced English ...

SonSoft

Java Developer with AJAX

Windsor, CT

$50.75 - $65.50/hr

Java Developer With Ajax Sonsoft, Inc. is a USA based corporation duly organized under the laws of ... At least 4 years' experience building Javascript applications with BackboneJS, as well as ...

Innosoul inc

Salesforce Developer

Hartford, CT

$56 - $74.25/hr

CT-0) Hybrid/Local Salesforce Developer (C2H/15+) with apex/Lightning/Visual Force pages, CRUD ... JavaScript Expert (10+ Years) No Others Presentation Advanced (7-9 Years) No Others Team work ...

New

Jobsbridge

Senior Web Developer

Bristol, CT

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience with JavaScript, HTML/HTML5, CSS . Experience in Object-Oriented analysis, design, and ...

CPIM do Brazil LTDA

MOBILE APP DEVELOPER

Rocky Hill, CT · Hybrid

Must have Strong Web Programming, Native App Development experience. * Must have experience with ... Experience with JavaScript and/or Kotlin. * Working knowledge with Angular and Bootstrap. * Working ...

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All JobsJavascript Developer JobsJavascript Developer Jobs in Connecticut

Javascript Developer information

See Connecticut salary details

$28.1K

$101.4K

$160.8K

How much do javascript developer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for javascript developer in Connecticut is $101,391.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,800.00 and $121,800.00 per year, depending on experience, location, and employer.

Is JavaScript in high demand?

JavaScript is in high demand for web development, as it is a core technology for creating interactive websites and applications. Many companies seek JavaScript developers skilled in frameworks like React or Angular, and the demand is expected to grow with the continued expansion of web-based technologies.

What are the key skills and qualifications needed to thrive as a JavaScript Developer, and why are they important?

To thrive as a JavaScript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of web development principles, often backed by a degree in computer science or comparable experience. Familiarity with frameworks like React or Angular, version control systems like Git, and build tools such as Webpack is typically required. Problem-solving, attention to detail, and effective communication are crucial soft skills for collaborating on projects and resolving technical challenges. These skills and qualities ensure the delivery of robust, maintainable, and efficient web applications that meet user and business needs.

Will AI replace JavaScript developers?

JavaScript developers create and maintain web applications using JavaScript, which requires problem-solving, creativity, and understanding of user needs. While AI tools can assist with coding and automate repetitive tasks, they are unlikely to fully replace developers, as human oversight and expertise are essential for complex project design and debugging. Developers will need to adapt by learning new tools and staying current with evolving technologies.

What Does a JavaScript Developer Do?

As a JavaScript developer, your main responsibilities are to code functional web applications using the JavaScript (JS) programming language and to patch and update application code as needed to optimize functionality. You program front-end code for web applications, collaborate with back-end developers, and use tools like integrated development environments (IDEs), Git, and browser dev tools.

What is the difference between Javascript Developer vs Front-End Developer?

AspectJavascript DeveloperFront-End Developer
Primary FocusWriting and optimizing JavaScript codeDesigning and implementing user interfaces
Required SkillsJavaScript, HTML, CSS, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design
Work EnvironmentWeb development teams, software companiesWeb design agencies, tech firms, startups

Javascript Developers focus on coding and scripting using JavaScript, while Front-End Developers handle the overall design and user experience of websites. Both roles often overlap, but the Javascript Developer specializes in scripting, whereas the Front-End Developer emphasizes UI/UX design and layout.

How much does a 3 JS developer make in the US?

A JavaScript developer with three years of experience typically earns between $70,000 and $110,000 annually in the US, depending on location, skills, and company size. Salaries can vary based on expertise with frameworks like React or Node.js and the complexity of projects handled.

What does a JavaScript Developer do?

A JavaScript Developer is responsible for designing, developing, and maintaining web applications using the JavaScript programming language. They typically work on both the front-end (user interface) and sometimes the back-end (server-side) of web projects, creating interactive features, optimizing performance, and ensuring cross-browser compatibility. Their role often involves collaborating with designers and other developers to deliver a seamless user experience.

What are some common challenges faced by JavaScript Developers when working on large-scale applications?

JavaScript Developers working on large-scale applications often encounter challenges such as maintaining code readability, managing dependencies, and ensuring performance optimization. As projects grow, it becomes essential to implement best practices like modularization, code reviews, and thorough testing to prevent bugs and technical debt. Collaboration with backend developers, designers, and QA testers is frequent, requiring clear communication and an agile mindset to deliver features efficiently and address issues as they arise.

Is JavaScript still used in 2026?

JavaScript remains a fundamental programming language for web development in 2026, widely used for creating interactive websites and applications. JavaScript developers continue to work with frameworks like React, Angular, and Vue, and proficiency in these tools is valuable for the role.
More about Javascript Developer jobs
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What are popular job titles related to Javascript Developer jobs in Connecticut? For Javascript Developer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching Javascript Developer jobs in Connecticut look for? The top searched job categories for Javascript Developer jobs in Connecticut are:
What cities in Connecticut are hiring for Javascript Developer jobs? Cities in Connecticut with the most Javascript Developer job openings:
What are popular job titles related to Javascript Developer jobs in CT? For Javascript Developer jobs in CT, the most frequently searched job titles are:
Javascript Developer jobs near you
.NET Developer - Application Modernization (Hybrid)

.NET Developer - Application Modernization (Hybrid)

InstantServe LLC

Hartford, CT • On-site

Full-time

Posted 15 days ago

Job description

Client: Connecticut Office of Early Childhood (OEC)
Location: Hartford, CT (Hybrid - 2 days onsite)
Duration: February 16, 2026 - June 30, 2026
Hours: Monday-Friday, 8:00 AM - 5:00 PM EST (40 hours/week)
Interview Process: Webcam interview followed by in-person interview
Local Candidates Only: Must be local or willing to commute/relocate
Position Overview
The Connecticut Office of Early Childhood (OEC) is seeking an experienced .NET Software Application Developer to support a legacy-to-modern application modernization initiative. This role involves full-stack development using .NET Framework 4.8, with responsibilities spanning both server-side and user interface development.
The developer will work closely with database and ETL teams in an Agile Scrum environment, contributing to application development, performance optimization, security hardening, and CI/CD pipelines using Azure DevOps.
Key Responsibilities
Requirements & Analysis
  • Collaborate with product owners, business stakeholders, and architects to gather and document technical and functional requirements
  • Translate business requirements into Azure DevOps work items, acceptance criteria, and development tasks
  • Create and maintain technical documentation, UI/interface mappings, and operational runbooks
Application Development
  • Design, develop, and refactor server-side components using C#, ASP.NET MVC (.NET Framework 4.8)
  • Build and maintain UI components using Razor Views, HTML5, CSS3, JavaScript, jQuery, and Bootstrap
  • Implement background jobs, scheduled tasks, and Windows services without introducing additional API layers
  • Conduct code reviews and enforce best practices related to security, performance, and maintainability
Database & Integration
  • Develop and optimize SQL Server / Azure SQL database objects, including schemas, stored procedures, and indexes
  • Collaborate with data engineers on SSIS/ETL processes and file-based integrations
  • Validate data migration, system integrations, and referential integrity
Performance, Security & Operations
  • Identify and resolve performance bottlenecks using caching, batching, and asynchronous processing
  • Implement secure coding practices, including authentication and authorization mechanisms
  • Support logging, monitoring, diagnostics, and incident response documentation
DevOps & Agile
  • Support CI/CD pipelines in Azure DevOps, including builds, releases, and deployments
  • Assist with deployment artifacts, rollback strategies, and release documentation
  • Actively participate in all Agile/Scrum ceremonies
Required Skills & Qualifications
  • Strong experience with C# and .NET Framework 4.8 (ASP.NET MVC, Razor)
  • Hands-on experience with Entity Framework and/or ADO.NET
  • Strong T-SQL, stored procedure development, and SQL performance tuning skills
  • Front-end experience with HTML, CSS, JavaScript, jQuery, and Bootstrap
  • Experience using Azure DevOps (Git, pipelines, work items)
  • Proficiency with Visual Studio 2022
  • Strong troubleshooting and production support experience
Preferred Qualifications
  • Experience with SSIS or other ETL tools
  • Unit and integration testing experience
  • Legacy .NET application modernization experience
  • Experience developing Windows services, scheduled tasks, or job schedulers
  • Familiarity with application logging, monitoring, and operational runbooks
  • Knowledge of enterprise security and data access controls
  • Familiarity with accessibility standards (WCAG) and cross-browser compatibility
Background Check Requirements
  • Employment verification (past 7 years)
  • Education verification (highest degree)
  • Federal, State, and County criminal background checks
  • Civil court history
  • Social Security address verification
  • National Sex Offender Registry check
  • Global monitoring check
InstantServe logo

About InstantServe

Sourced by ZipRecruiter

InstantServe provides a one-stop solution to all Healthcare, IT/Non-IT Staffing needs. Established in 2016, InstantServe is a strong workforce of over 100+ go-getters with a demonstrated background in IT/Non-IT service. We are a nationally certified SBE from the Department of Administration (State of PA). As a proud Minority Woman Owned Small Business Enterprise (M/WBE), InstantServe boasts of a strong team of professionals who have extensive experience catering to several Federal, Public, Commercial, and Healthcare Clients which includes 26 States and 46 government agencies. InstantServe is a client-centric organization that offers cost-effective and reliable solutions. Client satisfaction is sacrosanct! Our team strives to provide the best staffing and IT solutions to take your business to the next level.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Wayne, PA, US

Year founded

2016

Social media

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