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Javascript Backend Developer Jobs in Danbury, CT

USM

Java Developer - Backend - USC/GC/GC-EAD

Norwalk, CT · On-site

$50.75 - $65.75/hr

Position Summary The primary function of the Back-End Web Developer is to design, implement, and ... HTML5, CSS3, JavaScript/AJAX, Angular , etc. * Knowledge of continuous integration/continuous ...

Varsity Tutors

Web Development Tutor

White Plains, NY · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

Varsity Tutors

Web Development Tutor

Norwalk, CT · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

Varsity Tutors

Web Development Tutor

Bridgeport, CT · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

Varsity Tutors

Web Development Tutor

New Haven, CT · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

Varsity Tutors

Web Development Tutor

Stamford, CT · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ...

Valitana LLC

Junior Full Stack Developer

Stamford, CT · On-site

$100K - $120K/yr

Collaborate closely with backend engineers to integrate APIs and data services. * Translate complex ... Proficiency in modern JavaScript/TypeScript and front-end technologies (e.g., React, Angular, or ...

Valitana LLC

Junior Full Stack Developer

Stamford, CT · On-site

$100K - $120K/yr

Collaborate closely with backend engineers to integrate APIs and data services. * Translate complex ... Proficiency in modern JavaScript/TypeScript and front-end technologies (e.g., React, Angular, or ...

Yuma Holdings LLC

Software Engineer

Stamford, CT · On-site

Strong proficiency in at least one modern programming language (Python, Java, JavaScript, Rust or Go) * Solid understanding of APIs, databases, and backend architecture. * Experience deploying ...

Spark Tek Inc

.Net Full stack developer

Stamford, CT · On-site

The role requires strong backend development skills in .NET Core and practical experience with ... JavaScript and TypeScript (TypeScript is preferred, not mandatory). • React concepts like ...

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.

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

See Danbury, CT salary details

$12

$59

$86

How much do javascript backend developer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for javascript backend developer in Danbury, CT is $59.07, according to ZipRecruiter salary data. Most workers in this role earn between $48.46 and $69.86 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 Danbury, CT? For Javascript Backend Developer jobs in Danbury, CT, the most frequently searched job titles are:
Javascript Backend Developer jobs near you

Senior C# .NET backend developer

Treehouse Strategy and Communications

White Plains, NY • On-site, Remote

$56.50 - $74.50/hr

Contractor

Re-posted 3 days ago

Job description

Company Description
Treehouse Strategy is a management consulting company that specializes in helping language companies around the world grow and get to the next level. We work with language companies on sales strategies, marketing plans, marketing initiatives execution (rebranding strategy, website redesign, social media management, SEO, etc.), technology advisory, and merger & acquisition advisory and brokerage. We have clients in Greece, France, UK, Argentina, Spain, the US, and Taiwan.
Job Description
We're looking for a senior backend developer who can wear multiple hats. In addition to being a developer, this person is also a software architect and can help with some high level software design decisions. We also need this senior developer to do code review, provide some technical guidance to the junior developers, to help do some mentoring, support, and maybe a bit of training.
This is a full-time, remote contractor role.
MS stack qualifications
• Web developer to create a SaaS workflow automation platform
• Fluent in .Net web languages and frameworks
o C#
o HTML5, CSS
o JavaScript
o Bootstrap
o ORM (Entity Framework, LINQ)
o Nice to have (WebAPI, SignalR, .Net Core)
• Fluent in database systems, technologies
o Postgres SQL
o T-SQL
o MS SQL Server
o Nice to have (document database experience i.e. Cosmos DB)
• Other
o GIT familiarity
o Strong work ethic
o A "can do" attitude, flexibility of schedule, plus willingness and ability to work with a remote team that covers 4 different time zones
• Nice to have outside the above
o Cloud (Google, AWS, Azure)
o Mobile experience
o Frontend frameworks such as React
Submit the following:
o Resume
o Git profile
o Links to your projects
Qualifications
Additional Information
  1. Are you able to work the hours of Mon-Fri, 9 AM to 6 PM, Eastern Standard Time?
  2. Are you able and willing to work outside of traditional local hours, if need be?
  3. What is your level of English proficiency? What is your level of English proficiency in the CEFR scale or equivalent?
  4. How well do you know the following: a) C#, b) .NET, and c) React?
  5. How familiar are you with Scrum?

Apply