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Javascript Backend Developer Jobs in Wilmington, DE

Innosystech Inc

Full Stack Developer

Philadelphia, PA · On-site

$55 - $60/hr

HTML5, CSS3, JavaScript/TypeScript * Experience with backend development using Java, Spring Boot ... Knowledge of DevOps practices and CI/CD Pipelines * Experience with version control systems (e.g ...

AEFIS

UI/UX Developer (Remote)

Philadelphia, PA · On-site +1

$50.50 - $65.50/hr

Work together with back-end developers and other IT professionals to complete requirements ... Solid experience in designing and building highly usable UI * Strong knowledge of Javascript/ES6

AEFIS

UI/UX Developer (Remote)

Philadelphia, PA · Remote

$50.50 - $65.50/hr

Work together with back-end developers and other IT professionals to complete requirements ... Solid experience in designing and building highly usable UI * Strong knowledge of Javascript/ES6

AEFIS

UI/UX Developer (Remote)

Philadelphia, PA · Remote

$51.25 - $66.50/hr

Work together with back-end developers and other IT professionals to complete requirements ... Solid experience in designing and building highly usable UI * Strong knowledge of Javascript/ES6

Mondo

Lead Software Engineer

Wilmington, DE · On-site

Required : • 10+ years of professional software engineering experience • Strong hands-on frontend engineering experience with React, TypeScript, and JavaScript • Strong backend engineering ...

Prophecy Technologies

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

... Angular, JavaScript, TypeScript, HTML5, and CSS3. * Strong expertise in Python for backend ... Bachelor's degree in Computer Science, Engineering, or a related field. * 6+ years of professional ...

Jobsbridge

Salesforce Developer

Newark, DE · On-site

$54.25 - $71.75/hr

... of front and back-end web application development 2+ years experience developing custom ... Java, Javascript/HTML/CSS/AJAX, Webservices, XML

TiltEdge Solutions LLC

Software Engineer

Malvern, PA · On-site

$50/hr

We are seeking a Senior Software Engineer with deep expertise in Python-based back-end development, modern JavaScript frameworks (Angular or React), and cloud-native architecture utilizing AWS. In ...

Lorhan Corp

.NET Developer

Philadelphia, PA · On-site

$48.75 - $64.25/hr

Net with SQL Server backend Required Skills * Analyze, design, modify, build, and deploy ... Familiar with Angular, JavaScript, Oracle, SQL Server, Visual Studio Developer, SSIS, SSRS, Azure

LiniumIT

Angular Developer

Philadelphia, PA · On-site

$55.25 - $67.50/hr

Our client, a premier consulting company, is seeking an Angular / JavaScript Developer to join ... front and back end. The following is a list of application features, with brief and broad ...

LiniumIT

Angular Developer

Philadelphia, PA · On-site

$55.25 - $67.50/hr

Our client, a premier consulting company, is seeking an Angular / JavaScript Developer to join ... front and back end. The following is a list of application features, with brief and broad ...

Tata Consultancy Service Limited

Engineer

Malvern, PA · On-site

$110K - $130K/yr

Must Have Technical/Functional Skills Strong React experience, HTML, CSS Excellent Javascript ... backend developers, and stakeholders to deliver business requirements. • Write clean ...

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All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in Wilmington, DE

Javascript Backend Developer information

See Wilmington, DE salary details

$11

$56

$81

How much do javascript backend developer jobs pay per hour?

As of Aug 7, 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?

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 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:
Javascript Backend Developer jobs near you
Infographic showing various Javascript Backend Developer job openings in Wilmington, DE as of August 2026, with employment types broken down into 87% Full Time, and 13% Contract. Highlights an 87% In-person, and 13% Remote job distribution, with an average salary of $116,520 per year, or $56 per hour.

Full Stack Developer

Innosystech Inc

Philadelphia, PA • On-site

$55 - $60/hr

Contractor

Posted 5 days ago

Job description

Job Title: VD0008 - Full Stack Developer

Location: Philadelphia, Pennsylvania

Work Model: Hybrid

Must Haves

  • Proven experience as a Full Stack Developer with strong proficiency in Angular and Spring Boot
  • Solid understanding of front-end technologies: HTML5, CSS3, JavaScript/TypeScript
  • Experience with backend development using Java, Spring Boot, and related frameworks
  • Familiarity with relational databases (Oracle PL/SQL preferred) and ORM tools
  • Knowledge of RESTful API design and integration
  • Knowledge of DevOps practices and CI/CD Pipelines
  • Experience with version control systems (e.g., Git)
  • Strong problem-solving skills and attention to detail
  • Excellent communication and collaboration abilities
  • Willingness to adapt to project needs and provide support beyond regular hours when necessary

Experience & Skill Set Requirements

Required Skills & Qualifications

  • Mortgage Industry Experience (Preferred)

Responsibilities

  • Develop and maintain full-stack web applications using Angular (frontend) and Spring Boot (backend)
  • Translate business requirements into technical specifications and scalable solutions
  • Design and implement RESTful APIs and integrate with third-party services
  • Implement and maintain CI/CD pipelines using Terraform
  • Design, develop, and deploy cloud-based solutions, preferably on AWS or other cloud platforms
  • Optimize application performance, scalability, and security
  • Participate in code reviews, testing, and debugging to ensure high-quality deliverables
  • Collaborate with UI/UX designers, product managers, and other developers to deliver seamless user experiences
  • Stay current with emerging technologies and propose innovative solutions
  • Provide technical support and be flexible to assist during critical project phases or tight deadlines