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Javascript Backend Developer Jobs in Connecticut

CYNET SYSTEMS

Software Engineer

Wallingford, CT · On-site

$60 - $65/hr

Proficiency in HTML5, CSS3, and JavaScript. * Experience with version control systems (e.g., Git ... Collaborate with UI/UX designers and backend developers to deliver seamless user experiences.

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Javascript Backend Developer information

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$11

$54

$80

How much do javascript backend developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for javascript backend developer in Connecticut is $54.92, according to ZipRecruiter salary data. Most workers in this role earn between $45.05 and $64.95 per hour, depending on experience, location, and employer.

What does a JavaScript backend developer do?

A JavaScript Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power web applications. They use JavaScript, often with frameworks like Node.js, to process requests, manage data, and ensure smooth communication between the frontend and backend of an application. Their work ensures that web applications are scalable, secure, and efficient. JavaScript Backend Developers also collaborate with frontend developers and other team members to deliver seamless user experiences.

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

To thrive as a Javascript Backend Developer, you need strong proficiency in JavaScript (especially Node.js), knowledge of backend frameworks, and a solid understanding of databases such as MongoDB or PostgreSQL. Familiarity with development tools like Git, RESTful APIs, Docker, and cloud platforms, as well as relevant certifications, is highly valuable. Excellent problem-solving, teamwork, and communication skills help you collaborate effectively and deliver robust solutions. These abilities are crucial for building scalable, secure, and maintainable backend services that power modern applications.

What are the typical challenges a JavaScript backend developer faces when scaling applications for high traffic?

JavaScript Backend Developers, especially those working with Node.js, often encounter challenges related to handling high concurrency, optimizing database queries, and maintaining application performance under heavy load. Ensuring efficient memory management and implementing robust error handling are also critical when scaling. Working closely with DevOps and frontend teams to optimize APIs and monitor system health is essential for delivering reliable, scalable backend solutions.

What is the difference between Javascript Backend Developer vs Javascript Frontend Developer?

AspectJavascript Backend DeveloperJavascript Frontend Developer
Primary FocusServer-side development, APIs, databasesUser interface, client-side interactions
Required SkillsNode.js, databases, server managementHTML, CSS, JavaScript, UI frameworks
Work EnvironmentBack-end servers, cloud platformsWeb browsers, client devices
Common UsageBuilding APIs, server logicDesigning web pages, user experience

The main difference between a Javascript Backend Developer and a Javascript Frontend Developer lies in their focus areas. Backend developers handle server-side logic, databases, and APIs, while frontend developers focus on creating engaging user interfaces and client-side interactions. Both roles require JavaScript skills but apply them in different parts of web development projects.

What are popular job titles related to Javascript Backend Developer jobs in Connecticut?

For Javascript Backend Developer jobs in Connecticut, the most frequently searched job titles are:

What job categories do people searching Javascript Backend Developer jobs in Connecticut look for?

The top searched job categories for Javascript Backend Developer jobs in Connecticut are:

What cities in Connecticut are hiring for Javascript Backend Developer jobs?

Cities in Connecticut with the most Javascript Backend Developer job openings:

Javascript Backend Developer jobs near you

ESRI ArcGIS Web Developer

Neshent Technologies

Tariffville, CT • On-site

Full-time

Posted 5 days ago

Job description

We are seeking an experienced ESRI Web Developer to design, develop, and maintain interactive GIS web applications using the ESRI ArcGIS platform. The ideal candidate will have strong expertise in ArcGIS Web technologies, JavaScript, and modern front-end frameworks to deliver scalable, high-performance geospatial solutions.

Key Responsibilities
  • Design, develop, and maintain web-based GIS applications using the ESRI ArcGIS API for JavaScript.
  • Build responsive, user-friendly interfaces using modern web technologies.
  • Integrate GIS data, map services, and geospatial functionality into web applications.
  • Collaborate with GIS analysts, developers, and business stakeholders to gather requirements and deliver technical solutions.
  • Develop reusable, scalable, and maintainable application components.
  • Perform application testing, debugging, and performance optimization.
  • Develop and consume RESTful APIs and web services.
  • Create and maintain technical documentation, design specifications, and user guides.
  • Support application deployment, maintenance, and enhancements.
  • Follow development best practices, coding standards, and version control processes.
Required Qualifications
  • Bachelor's degree in Computer Science, Information Technology, Geographic Information Systems (GIS), or a related field.
  • 9–14 years of experience in web application development with a strong focus on ESRI ArcGIS technologies.
  • Hands-on experience with ESRI ArcGIS API for JavaScript.
  • Strong proficiency in JavaScript, HTML5, CSS3, and TypeScript.
  • Experience with modern front-end frameworks such as React, Angular, or Vue.js.
  • Strong understanding of GIS concepts, spatial data, and geospatial application development.
  • Experience integrating GIS services, REST APIs, and web services.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and collaboration skills.
Preferred Qualifications
  • Experience with ArcGIS Enterprise.
  • Experience with geospatial front-end and back-end development.
  • Experience developing and deploying applications in cloud environments.
  • Familiarity with DevOps practices, CI/CD pipelines, and version control tools.
  • ESRI Technical Certification or other relevant GIS certifications.
  • Experience with spatial data management and enterprise GIS solutions.

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