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Javascript Backend Developer Jobs in Delaware (NOW HIRING)

Java Software Engineer II

Newark, DE · On-site

$51 - $70/hr

Proficiency in back-end technologies such as Java and Spring Boot * Experience building ... CSS, JavaScript, Typescript, React, Angular). * Experience in developing, debugging, and ...

Java Software Engineer II

Newark, DE · On-site

$51 - $70/hr

Proficiency in back-end technologies such as Java and Spring Boot * Experience building ... CSS, JavaScript, Typescript, React, Angular). * Experience in developing, debugging, and ...

Sr Software Engineer - 90404987

Wilmington, DE · On-site

$118K - $156K/yr

Proficiency in Java, JavaScript, TypeScript, SQL, ( Angular or React ), and Node.js * Development ... Experience in frontend, backend, and cloud-native development * Familiarity with Agile ...

Showing results 41-60

Javascript Backend Developer information

See Delaware salary details

$12

$57

$84

How much do javascript backend developer jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for javascript backend developer in Delaware is $57.78, according to ZipRecruiter salary data. Most workers in this role earn between $47.40 and $68.32 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 Delaware?

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

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

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

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

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

Infographic showing various Javascript Backend Developer job openings in Delaware 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 $120,190 per year, or $57.8 per hour.

$120K - $130K/yr

Full-time

Re-posted 4 days ago


Job description

Java Architect
• Define application architecture and system design
• Mentor development teams and establish best practices
• Create comprehensive design documents (HLD and LLD)
• Drive the implementation of microservices architecture
• Support CI/CD processes and DevOps practices
Requirements:
• 8+ years of strong Java (Java 8/11/17+)
• Experience with Spring technologies and REST APIs
• Familiar with Kafka/RabbitMQ messaging systems
• Cloud experience in AWS, Azure, or GCP
• Proficient in Docker, Kubernetes, and CI/CD tools Bring your architectural knowledge to a role that emphasizes growth and collaboration
• Hands on coding, need to clear coding test
Key Responsibilities:
• Lead the design and development of robust, scalable, and maintainable backend systems, ensuring adherence to high and basic design principles
• Lead database architecture and optimization efforts, with a focus on performance and data integrity
Qualifications:
• Minimum of 10 years of experience in Java development, with a strong focus on Spring Boot and backend architecture
• Strong understanding of cloud architectures, preferably with relevant certification (AWS).Expert knowledge of both SQL and NoSQL databases
• Proven track record in designing and implementing complex system integrations
• Strong background in test-driven development and automated testing frameworks
• Responsibilities
• Collaborate with cross-functional teams to design and implement integration solutions, ensuring seamless data flow across systems
• Apply SRE principles to enhance system reliability, performance, and availability
• Utilize container technologies such as Docker, Kubernetes, and OpenShift to streamline deployment and orchestration of applications
• Leverage Spring Boot to develop microservices and backend applications, applying best practices and design patterns
• Design and implement RESTful APIs, ensuring high performance and responsiveness to requests
• Guide the creation of responsive and intuitive user interfaces using modern JavaScript frameworks, with a focus on React
• Write unit and integration tests using JUnit, Mockito, or PowerMock, and ensure adherence to quality and security standards using tools like Sonar, Fortify, and Web Inspect
• Produce comprehensive documentation for each microservice, detailing architecture, design decisions, and implementation guidelines
• Participate in Agile development processes, contributing to sprint planning, reviews, and retrospectives
• Proactively identify and resolve bugs and performance issues in a timely manner
• Engage in database design and optimization for integration systems, ensuring efficient data management and retrieval
Salary Range- $120,000-$130,000 a year
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