Design, develop, and maintain automated UI test scripts using Playwright (TypeScript/JavaScript or ... Collaborate with backend/API teams to validate integration points and data flows * Identify, triage ...
New
Design, develop, and maintain automated UI test scripts using Playwright (TypeScript/JavaScript or ... Collaborate with backend/API teams to validate integration points and data flows * Identify, triage ...
New
Engineer
Malvern, PA · On-site
$120K - $130K/yr
Must Have Technical/Functional Skills Strong React experience, HTML, CSS Excellent Javascript ... backend developers, and stakeholders to deliver business requirements. • Write clean ...
Engineer
Malvern, PA · On-site
$120K - $130K/yr
Must Have Technical/Functional Skills Strong React experience, HTML, CSS Excellent Javascript ... backend developers, and stakeholders to deliver business requirements. • Write clean ...
Full-stack Developer with Low-code Caspio Platform experience
Wilmington, DE · On-site
$125K - $155K/yr
Key Responsibilities We are seeking a talented and motivated full-stack developer with expertise in ... JavaScript, ensuring responsiveness and cross-platform compatibility. * Back-End and data ...
Full-stack Developer with Low-code Caspio Platform experience
Wilmington, DE · On-site
$125K - $155K/yr
Key Responsibilities We are seeking a talented and motivated full-stack developer with expertise in ... JavaScript, ensuring responsiveness and cross-platform compatibility. * Back-End and data ...
Key Responsibilities We are seeking a talented and motivated full-stack developer with expertise in ... JavaScript, ensuring responsiveness and cross-platform compatibility. * Back-End and data ...
Key Responsibilities We are seeking a talented and motivated full-stack developer with expertise in ... JavaScript, ensuring responsiveness and cross-platform compatibility. * Back-End and data ...
Key Responsibilities We are seeking a talented and motivated full-stack developer with expertise in ... JavaScript, ensuring responsiveness and cross-platform compatibility. * Back-End and data ...
Key Responsibilities We are seeking a talented and motivated full-stack developer with expertise in ... JavaScript, ensuring responsiveness and cross-platform compatibility. * Back-End and data ...
Looking for writing optimized code in HTML, Angular, Javascript, and using building tools like Gulp ... back-end services and databases - Gather and refine specifications and requirements based on ...
Looking for writing optimized code in HTML, Angular, Javascript, and using building tools like Gulp ... back-end services and databases - Gather and refine specifications and requirements based on ...
Java Developer
Philadelphia, PA · On-site
$51.50 - $66.50/hr
... with Javascript (AngularJS) and Web services (SOAP, RESTful) * Backend technology experience should include Java Enterprise Edition, Enterprise Java Beans 3.0, JPA, and JMS as well as Database ...
Java Developer
Philadelphia, PA · On-site
$51.50 - $66.50/hr
... with Javascript (AngularJS) and Web services (SOAP, RESTful) * Backend technology experience should include Java Enterprise Edition, Enterprise Java Beans 3.0, JPA, and JMS as well as Database ...
Develop and maintain full-stack applications using React for front-end and Java for the backend ... Proficient in coding in one or more languages, including React, JavaScript, Typescript, HTML, CSS ...
Develop and maintain full-stack applications using React for front-end and Java for the backend ... Proficient in coding in one or more languages, including React, JavaScript, Typescript, HTML, CSS ...
UI / Front End Developer with AWS Experience Required. - Our W2 Only
Malvern, PA · On-site
$49 - $63.75/hr
Design, develop, and maintain automated UI test scripts using Playwright (TypeScript/JavaScript or ... Collaborate with backend/API teams to validate integration points and data flows * Identify, triage ...
New
UI / Front End Developer with AWS Experience Required. - Our W2 Only
Malvern, PA · On-site
$49 - $63.75/hr
Design, develop, and maintain automated UI test scripts using Playwright (TypeScript/JavaScript or ... Collaborate with backend/API teams to validate integration points and data flows * Identify, triage ...
New
Our client is seeking a Web Developer to build and secure the back end of a WordPress site to ... WordPress theme and plugin creation, PHP, HTML, CSS, JavaScript * Would largely follow selected ...
Our client is seeking a Web Developer to build and secure the back end of a WordPress site to ... WordPress theme and plugin creation, PHP, HTML, CSS, JavaScript * Would largely follow selected ...
Full Stack Java Developer
Wilmington, DE · On-site
$51 - $65.75/hr
Develop backend services and processes that communicate with other services and databases * Perform ... Strong experience with implementation of software design patterns in JavaScript and TypeScript * 5+ ...
Full Stack Java Developer
Wilmington, DE · On-site
$51 - $65.75/hr
Develop backend services and processes that communicate with other services and databases * Perform ... Strong experience with implementation of software design patterns in JavaScript and TypeScript * 5+ ...
Integration Engineer II
Philadelphia, PA · On-site
$104K - $141K/yr
AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate ... Build backend services and APIs using Python (e.g., FastAPI, Django, Flask), Javascript, Azure ...
Integration Engineer II
Philadelphia, PA · On-site
$104K - $141K/yr
AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate ... Build backend services and APIs using Python (e.g., FastAPI, Django, Flask), Javascript, Azure ...
Urgent Need Python Developer
$50.75 - $70/hr
Backend and ETL DB experience with either Oracle or MySQL, I believe they are currently using ... Javascript - CSS Additional Information If my requirement matches your resume, then please do reply ...
Urgent Need Python Developer
$50.75 - $70/hr
Backend and ETL DB experience with either Oracle or MySQL, I believe they are currently using ... Javascript - CSS Additional Information If my requirement matches your resume, then please do reply ...
Java Developer - card bulk - DE - 602
Wilmington, DE · On-site
$65 - $70/hr
Full Stack Developer - Intermediate Location: Wilmington, Delaware Duration: Contract Job ID ... HTML, CSS, JavaScript, and frameworks like React or Angular. * Strong knowledge of back-end ...
Java Developer - card bulk - DE - 602
Wilmington, DE · On-site
$65 - $70/hr
Full Stack Developer - Intermediate Location: Wilmington, Delaware Duration: Contract Job ID ... HTML, CSS, JavaScript, and frameworks like React or Angular. * Strong knowledge of back-end ...
Remote Senior Applications Developer
Philadelphia, PA · On-site +1
$96K - $133K/yr
Qualifications Must have a minimum of 5 years of experience working with the following back-end ... HTML / CSS / JavaScript / jQuery * Sass, a plus * Must have strong reasoning and critical thinking ...
Remote Senior Applications Developer
Philadelphia, PA · On-site +1
$96K - $133K/yr
Qualifications Must have a minimum of 5 years of experience working with the following back-end ... HTML / CSS / JavaScript / jQuery * Sass, a plus * Must have strong reasoning and critical thinking ...
Remote Senior Applications Developer
Philadelphia, PA · Remote
$96K - $133K/yr
Qualifications Must have a minimum of 5 years of experience working with the following back-end ... HTML / CSS / JavaScript / jQuery * Sass, a plus * Must have strong reasoning and critical thinking ...
Remote Senior Applications Developer
Philadelphia, PA · Remote
$96K - $133K/yr
Qualifications Must have a minimum of 5 years of experience working with the following back-end ... HTML / CSS / JavaScript / jQuery * Sass, a plus * Must have strong reasoning and critical thinking ...
Software Engineer -- back-end software developer with a strong background in PHP and database ... Strong PHP, Vue or React, JavaScript, Docker/Kubernetes, SQL (Oracle preferred), HTML, and CSS ...
Quick apply
Software Engineer -- back-end software developer with a strong background in PHP and database ... Strong PHP, Vue or React, JavaScript, Docker/Kubernetes, SQL (Oracle preferred), HTML, and CSS ...
Angular/React + Node.js + AWS
Malvern, PA · On-site
Full Stack Developer (Senior / Intermediate) Location: Malvern PA Duration: 6+ Months Contract Job ... Hands-on experience with Node.js * Experience in UI development (HTML, CSS, JavaScript)
New
Angular/React + Node.js + AWS
Malvern, PA · On-site
Full Stack Developer (Senior / Intermediate) Location: Malvern PA Duration: 6+ Months Contract Job ... Hands-on experience with Node.js * Experience in UI development (HTML, CSS, JavaScript)
New
QA Automation Engineer
Malvern, PA · On-site
Write complex SQL queries for data verification and backend validation * Collaborate with ... Proficiency in Python scripting (preferred) or JavaScript/TypeScript * Hands-on experience with SQL ...
New
QA Automation Engineer
Malvern, PA · On-site
Write complex SQL queries for data verification and backend validation * Collaborate with ... Proficiency in Python scripting (preferred) or JavaScript/TypeScript * Hands-on experience with SQL ...
New
Consultant NodeJs with AWS (cloud)
$51.75 - $66.75/hr
... Developer and experience in Java Backend +Node JS +AWS or Fullstack + Node JS + AWS kind of ... JavaScript, HTML 5, and CSS 3 * Unix shell scripting is preferred * Ability to work in Agile sprint ...
Quick apply
Consultant NodeJs with AWS (cloud)
$51.75 - $66.75/hr
... Developer and experience in Java Backend +Node JS +AWS or Fullstack + Node JS + AWS kind of ... JavaScript, HTML 5, and CSS 3 * Unix shell scripting is preferred * Ability to work in Agile sprint ...
Javascript Backend Developer information
See Wilmington, DE salary details
$11.66 - $18.04
0% of jobs
$18.04 - $24.43
1% of jobs
$24.43 - $30.81
5% of jobs
$30.81 - $37.19
6% of jobs
$37.19 - $43.57
7% of jobs
$45.49 is the 25th percentile. Wages below this are outliers.
$43.57 - $49.96
16% of jobs
The median wage is $55.49 / hr.
$49.96 - $56.34
16% of jobs
$56.34 - $62.72
18% of jobs
$64.93 is the 75th percentile. Wages above this are outliers.
$62.72 - $69.10
14% of jobs
$69.10 - $75.49
11% of jobs
$75.49 - $81.87
5% of jobs
$11
$56
$81
How much do javascript backend developer jobs pay per hour?
As of Aug 8, 2026, the average hourly pay for javascript backend developer in Wilmington, DE is $56.02, according to ZipRecruiter salary data. Most workers in this role earn between $45.96 and $66.25 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?
| Aspect | Javascript Backend Developer | Javascript Frontend Developer |
|---|---|---|
| Primary Focus | Server-side development, APIs, databases | User interface, client-side interactions |
| Required Skills | Node.js, databases, server management | HTML, CSS, JavaScript, UI frameworks |
| Work Environment | Back-end servers, cloud platforms | Web browsers, client devices |
| Common Usage | Building APIs, server logic | Designing 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 Wilmington, DE? For Javascript Backend Developer jobs in Wilmington, DE, the most frequently searched job titles are:
What job categories do people searching Javascript Backend Developer jobs in Wilmington, DE look for? The top searched job categories for Javascript Backend Developer jobs in Wilmington, DE are:
Other
Posted 2 days ago
New
Job description
Looking for UI Developer with strong front-end development and test automation expertise to design, build, and maintain scalable UI applications and test frameworks using React/Angular, Playwright, and AWS cloud services. The ideal candidate combines hands-on UI engineering skills with a strong automation/QE mindset, ensuring high-quality, reliable, and maintainable web applications deployed on cloud infrastructure.
Key Responsibilities
- Design, develop, and maintain responsive UI components using React and/or Angular - Mandatory Skill
- Design, develop, and maintain automated UI test scripts using Playwright (TypeScript/JavaScript or Python) - Mandatory Skill
- Build and maintain end-to-end (E2E) test suites integrated into CI/CD pipelines
- Deploy, monitor, and troubleshoot applications leveraging AWS services (e.g., S3, Lambda, EC2, CloudFront, CodePipeline)
- Collaborate with backend/API teams to validate integration points and data flows
- Identify, triage, and document UI defects; work closely with development teams to resolve issues
- Develop reusable, modular test frameworks and component libraries to improve efficiency
- Perform cross-browser and cross-device testing to ensure consistent UI behavior
- Integrate automated tests with CI/CD tools (Jenkins, GitHub Actions, AWS CodePipeline, or similar)
- Collaborate with Product Owners, BAs, and QA leads to translate requirements into test cases
- Contribute to code reviews, sprint planning, and Agile ceremonies