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Sr React Developer Jobs in Delaware (NOW HIRING)

SLK America Inc.

.net Senior developer

Wilmington, DE · On-site

$52.75 - $69.75/hr

Senior .NET Full Stack Developer emphasizing backend for platform integrations and payments ... Contribute full stack with Angular/React frontends for payment dashboards, while optimizing SQL ...

Serverless Guru LLC.

Senior Frontend Engineer

Wilmington, DE · On-site

$118K - $163K/yr

Senior Front-End Developer Frontend Engineering React TypeScript TanStack Router TanStack Query TanStack Form Tailwind CSS Vite ABOUT THE ROLE We are looking for a Senior Front-End Developer to join ...

Serverless Guru

Senior Frontend Engineer

Wilmington, DE · On-site +1

$118K - $163K/yr

Senior Front-End Developer Frontend Engineering React • TypeScript • TanStack Router • TanStack Query • TanStack Form • Tailwind CSS • Vite ABOUT THE ROLE We are looking for a Senior ...

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All JobsSr React Developer JobsSr React Developer Jobs in Delaware

Sr React Developer information

See Delaware salary details

$15

$61

$87

How much do sr react developer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for sr react developer in Delaware is $61.78, according to ZipRecruiter salary data. Most workers in this role earn between $52.45 and $69.28 per hour, depending on experience, location, and employer.

What is a Sr React developer?

Sr React Developers are experienced software engineers who specialize in building user interfaces using the React JavaScript library. They are responsible for designing, developing, and maintaining scalable and efficient web applications, often leading projects and mentoring junior developers. In addition to deep knowledge of React, they are skilled in JavaScript, front-end frameworks, state management libraries, and best practices for performance and security. Sr React Developers often collaborate with cross-functional teams to deliver high-quality products and ensure seamless user experiences.

How does a Sr React developer typically collaborate with designers and backend engineers on projects?

As a Sr React Developer, you’ll regularly work with UI/UX designers to translate wireframes and visual concepts into functional, interactive web applications. Collaboration with backend engineers is also essential, as you’ll integrate APIs and ensure that frontend components communicate efficiently with server-side logic. Effective communication and a proactive approach to problem-solving are key, as you’ll often participate in code reviews, sprint planning, and cross-functional meetings to align on project goals and resolve technical challenges.

What is the difference between Sr React Developer vs React Developer?

AspectSr React DeveloperReact Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesArchitecting solutions, mentoring, complex problem-solvingImplementing UI components, basic feature development
CertificationsRelevant certifications preferredBasic certifications or self-taught
Work EnvironmentCross-functional teams, project leadershipDevelopment teams, coding tasks

The main difference between a Sr React Developer and a React Developer lies in experience, responsibilities, and leadership. Sr React Developers typically have more years of experience, handle complex projects, and mentor junior developers, whereas React Developers focus on implementing features and gaining foundational skills.

What are the key skills and qualifications needed to thrive as a Sr React developer?

To thrive as a Sr React Developer, you need advanced proficiency in JavaScript, React.js, and front-end development principles, supported by a degree in computer science or equivalent experience. Mastery of tools like Redux, TypeScript, RESTful APIs, and familiarity with build systems such as Webpack, as well as experience with unit testing frameworks, is typically required. Strong problem-solving skills, effective communication, and the ability to mentor junior developers are vital soft skills for this role. These abilities are crucial for building scalable, maintainable applications and leading high-performing development teams in dynamic environments.

What are popular job titles related to Sr React Developer jobs in Delaware?

For Sr React Developer jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Sr React Developer jobs in Delaware look for?

The top searched job categories for Sr React Developer jobs in Delaware are:

What cities in Delaware are hiring for Sr React Developer jobs?

Cities in Delaware with the most Sr React Developer job openings:

Sr React Developer jobs near you
Infographic showing various Sr React Developer job openings in Delaware as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 8% Part Time, and 5% Contract. Highlights an 84% Physical, 6% Hybrid, and 10% Remote job distribution, with an average salary of $128,510 per year, or $61.8 per hour.

Senior React + Node Engineer (Financial background) - Remote - USA

FullStack Labs

Dover, DE • On-site, Remote

$122K - $161K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

About FullStack
FullStack is one of the fastest-growing software consultancy companies in the Americas. We deliver transformational digital solutions to top global companies and Silicon Valley startups. As an employee-first company, we focus on hiring the most talented software designers and developers by creating a positive, respectful, and supportive work environment where they can achieve their greatest potential.
We're most proud of:
  • Offering life-changing career opportunities to talented software professionals across the Americas.
  • Building highly-skilled software development teams for hundreds of the world's greatest companies.
  • Having delivered hundreds of successful custom software solutions, which have positively impacted the lives and careers of millions of users.
  • Our 4.2-star rating on GlassDoor.
  • Our client Net Promoter Score of 68, twice the industry average.

The Position
We're looking to hire a Senior React + Node Engineer (Financial background) to join our team. You'll work with our incredible clients in one of two ways:
  • Team Augmentation: You will integrate directly into our client's team and work alongside their existing designers and engineers daily.
  • Design & Build: You will work on a FullStack product team to build and deliver a product to our clients.

What We Are Looking For
  • 5+ years of professional software engineering experience.
  • Advanced English is required.
  • Successful completion of a four-year college degree is required.
  • Expertise in Node.js (specifically versions 18 through 22).
  • Proficient in React, including hooks, state management (Redux/Redux Saga), and component architecture.
  • Proven experience in designing and maintaining financial data reconciliation systems, with a focus on ledger accuracy, complex data aggregation, and the programmatic generation of audit-ready reports.
  • Track record of designing and maintaining microservices and distributed systems.
  • Extensive experience with PostgreSQL, including advanced SQL, schema design, and query optimization.
  • Well-versed in REST API development using modern frameworks like Koa.js or Express.
  • Deep experience in ORM tools such as Objection.js, Sequelize, or TypeORM.
  • Hands-on experience with AWS services (S3, SQS, RDS, EC2).
  • Solid background in containerization using Docker and Docker Compose.
  • Demonstrated experience with CI/CD pipelines (CircleCI, GitHub Actions) and GitOps practices.
  • Skilled at implementing authentication systems such as JWT, OAuth, or MSAL (Azure AD).
  • Strong history of testing discipline using Jest, Mocha, or Supertest.
  • Practical experience with APM tools like DataDog or New Relic and feature flag management (LaunchDarkly).
  • Solid understanding of financial or accounting systems (ledgers, reconciliation, etc.) is a plus.
  • Ability to work through new and difficult issues and contribute to libraries as needed.
  • Ability to create and maintain continuous integration and delivery of applications.
  • Forensic attention to detail.
  • A positive mindset and a can-do attitude.
  • Experience working on Agile/Scrum teams.
  • Meaningful experience working on large, complex systems (50k+ lines of code).
  • Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
  • Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.
  • Ability to consistently work 40 hours per week.

What We Offer
  • Competitive Salary.
  • Paid Time Off (vacation, sick leave. parental leave, and holidays)
  • 100% remote work.
  • The ability to work with leading startups and Fortune 500 companies.
  • Health, dental, and vision insurance.
  • 401(k) w/ 4% match.
  • Ample opportunity for career advancement.
  • Continuing education opportunities.

FullStack is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status.
Learn more about our Applicants Privacy Notice .
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About FullStack Labs

Sourced by ZipRecruiter

FullStack Labs is the fastest-growing software consultancy in the Americas. We help organizations like Uber, GoDaddy, MGM, Siemens, Stanford University, and the State of California, build distributed software development teams, and deliver transformational digital solutions. As an employee-first company, we focus on hiring the most talented software designers and developers in the western hemisphere, by creating a positive, respectful, and supportive work environment where they can achieve their greatest potential.

Industry

It services

Company size

11 - 50 Employees

Headquarters location

Sacramento, CA, US

Year founded

2013

Social media

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