ZipRecruiter

Log In

1

Javascript Backend Developer Jobs in Delaware (NOW HIRING)

Amtrak

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 ...

Amtrak

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 ...

Amtrak

Principal Software Engineer - 90402969

Wilmington, DE · On-site

$131K - $175K/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 ...

Amtrak

Principal Software Engineer - 90402969

Wilmington, DE · On-site

$131K - $175K/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 ...

previous page

Showing results 21-38

All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in Delaware

Javascript Backend Developer information

See Delaware salary details

$12

$57

$84

How much do javascript backend developer jobs pay per hour?

As of Aug 8, 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:
Javascript Backend Developer jobs near you
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.

Lead Software Engineer-Full Stack/Spring Boot/React

JPMorgan Chase & Co.

Wilmington, DE • On-site

Full-time

Medical, Retirement

Re-posted 22 days ago

JPMorgan Chase & Co. rating

8.0

Company rating: 8.0 out of 10

Based on 493 frontline employees who took The Breakroom Quiz

73rd of 170 rated banks

Job description


We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.
As a Lead Software Engineer-Full Stack/Spring Boot/React at JPMorgan Chase within the Consumer and Community Banking's Product Agility Team, you will be shaping the future of our Agile Enablement Tools platform - an API driven system of record that connects products, teams, leadership, and financial insights across the company. You'll lead development with Java, React and LLM-powered services to deliver scalable solutions that drive product based planning and decision making across the enterprise.
Job responsibilities
  • Write high - quality, scalable code in Java and React, modeling best practices in design, testing, and maintainability
  • Review code, pair programming and coaching to uplift overall team coding quality
  • Break down product requirements into well-structured technical user stories, giving team clarity and technical direction
  • Identify opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems
  • Establish coding standards, CI/CD pipelines, testing frameworks, and documentation practices that improve overall quality
  • Mentor and help junior engineers grow into strong contributors
  • Communicate and partner effectively with Product Managers and Leadership
  • Drives team adoption of enterprise-authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective patterns across the team
  • Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation

Required qualifications, capabilities, and skills
  • Formal training or certification on software engineering concepts and 5+ years applied experience
  • Proven Full Stack expertise in Java and Spring Boot, including designing and developing robust backend APIs, implementing RESTful web services, integrating with databases, and building responsive front-end interfaces using modern JavaScript frameworks. Skilled in end-to-end application development, deployment, and troubleshooting across the entire technology stack
  • Experience with React in building scalable applications, including designing and developing dynamic user interfaces, managing state with tools such as Redux or Context API, optimizing component performance, and integrating with RESTful APIs and backend services to deliver responsive and maintainable web application
  • Hands-on experience serving as Tech Lead or senior engineer driving technical direction.
  • Demonstrated hands-on experience with AWS services to design, deploy, and manage cloud-based solutions, including configuring resources, implementing security best practices, and optimizing performance for scalable and reliable applications
  • Hands-on practical experience delivering system design, application development, testing, and operational stability
  • Advanced knowledge in one or more programming language(s)
  • Proficiency in automation and continuous delivery methods including designing, implementing, and optimizing CI/CD pipelines to streamline software deployment, improve reliability, and accelerate delivery cycles
  • Demonstrated proficiency in software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.)
  • Demonstrated experience leading effective use of approved AI-assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security
  • Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices

Preferred qualifications, capabilities, and skills
  • Prior experience working in financial services industry
  • Experience applying LLMs to real worlds product is a plus.
  • Advanced understanding of agile methodologies such as CI/CD, Application Resiliency, and Security
  • hands-on experience using Terraform to provision, manage, and automate cloud infrastructure, including writing and maintaining infrastructure-as-code, troubleshooting deployment issues, and optimizing resource configurations for scalability and reliability.

About Us
Chase is a leading financial services firm, helping nearly half of America's households and small businesses achieve their financial goals through a broad range of financial products. Our mission is to create engaged, lifelong relationships and put our customers at the heart of everything we do. We also help small businesses, nonprofits and cities grow, delivering solutions to solve all their financial needs.
We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions. We also offer a range of benefits and programs to meet employee needs, based on eligibility. These benefits include comprehensive health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching and more. Additional details about total compensation and benefits will be provided during the hiring process.
We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.
Equal Opportunity Employer/Disability/Veterans
About the Team
Our Consumer & Community Banking division serves our Chase customers through a range of financial services, including personal banking, credit cards, mortgages, auto financing, investment advice, small business loans and payment processing. We're proud to lead the U.S. in credit card sales and deposit growth and have the most-used digital solutions - all while ranking first in customer satisfaction.

What JPMorgan Chase & Co. employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply