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Javascript Backend Developer Jobs in Danbury, CT

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services. Execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services. Execute functional ...

subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services. Execute functional ...

HealthPlanOne, LLC.

Lead Software Engineer

Shelton, CT · On-site

... online and backend platforms, leveraging advanced .NET technologies. This role requires deep ... NET web applications including Blazor, JavaScript and legacy ASP.NET WebForms * Experience with WCF ...

Icon Health

Full Stack Engineer

Stamford, CT

... the back-end. In this role you will collaborate with Icon's Product, Clinical, Sales, and ... Experience with one or several front-end JavaScript frameworks like React, Node, Angular

Health Plan One, LLC

Lead Software Engineer

Shelton, CT · On-site

$140 - $170/hr

... online and backend platforms, leveraging advanced .NET technologies. This role requires deep ... NET web applications including Blazor, JavaScript and legacy ASP.NET WebForms* Experience with WCF ...

The Subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services. Execute functional ...

subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

The Subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

... DevOps teams to embed quality early and continuously. Responsibilities include but not limited to ... Design, develop, and maintain automated tests for UI, API, and backend services; execute functional ...

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All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in Danbury, CT

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

Testing and Automation Engineer

subway

Shelton, CT

$102K - $128K/yr

Full-time

Medical, Life, Retirement

Re-posted 6 days ago

Subway rating

4.4

Company rating: 4.4 out of 10

Based on 2,048 frontline employees who took The Breakroom Quiz

98th of 106 rated fast food restaurants

Job description

Testing and Automation Engineer

Ready to build what’s next with one of the world’s most iconic brands?

Why Join Subway?

At Subway, we are not standing still. We are building.

This is a business focused on what matters most: growing franchisee profitability, strengthening our brand and creating long-term value. The people who thrive here are the ones who want to make a real impact.

You will not just do the work. You will shape it.

We move fast. We think like owners. We make decisions that matter. We hold ourselves to a high standard because what we do directly impacts thousands of franchisees around the world.

If you bring energy, accountability and a bias for action, you will fit right in.

We take the work seriously, but we also know the best results come from teams that support each other, celebrate wins and show up ready to build something better every day.

This is your chance to be part of what’s next.

About the Role:

The Testing and Automation Engineer is responsible for designing, developing, and maintaining automated test solutions that ensure the quality, reliability, and performance of software applications and services. This role focuses on increasing test coverage through automation, reducing manual effort, and supporting consistent, high-quality delivery across the software development lifecycle. The Testing and Automation Engineer partners closely with Software Engineers, Product, and DevOps teams to embed quality early and continuously.

Responsibilities include but not limited to:

  • Design, develop, and maintain automated tests for UI, API, and backend services. Execute functional, integration, regression, and end-to-end tests across applications and platforms.
  • Partner with Software Engineers and Product teams to define test scenarios and acceptance criteria. Participate in sprint planning, refinement, and retrospectives.
  • Maintain and enhance test automation frameworks and tooling. Integrate automated tests into CI/CD pipelines to support continuous testing.
  • Identify, document, and track defects through resolution. Perform basic root-cause analysis and partner with engineering teams on fixes.
  • Design and execute performance, load, and stress tests across applications and services. Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust).
  • Leverage AI-assisted tools for test case generation, test data creation, and test coverage analysis. Apply AI-powered testing tools to improve defect detection and automation efficiency.

Qualifications (some examples listed below):

  • 3–6 years of experience in software testing, quality engineering, or automation roles.
  • Experience in software testing and test automation practices.
  • Proficiency with automation tools and frameworks (e.g., Selenium, Cypress, Playwright, REST-assured, Postman, or similar).
  • Hands-on experience with performance engineering tools (e.g., JMeter, Gatling, k6, Locust, or equivalent) required.
  • Experience with AI-assisted testing tools and practices required.
  • Ability to read, write, or debug basic test code or scripts (e.g., Java, JavaScript, Python, C#).
  • Understanding of REST APIs and service-based architectures.
  • Familiarity with CI/CD pipelines and automated testing concepts.
  • Bachelor’s degree preferred in Computer Science, Engineering, Information Systems, or a related field. Equivalent practical experience considered.
  • People Management: No | Department: Technology / Engineering / Quality Engineering | Reports To: Director, Testing & Observability | Travel: Minimal to none.

What do we offer?

  • Insurance Plans (Medical, Life)
  • Pension/401K/RSP (country specific)
  • Competitive Bonus
  • Mobility Allowance
  • Tuition Reimbursement
  • Company Holidays
  • Volunteering time
  • And More……

Compensation: The base pay range for this role is $102,700 - 128,400 annually

Pay within this range will be determined in good faith based on job-related factors, which may include skills, experience, education/training, location, and internal equity.

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