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Senior React Engineer Jobs in Delaware (NOW HIRING)

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 ...

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 ...

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Senior React Engineer information

What does a senior React engineer do?

A Senior React Engineer is a software professional who specializes in building and maintaining complex web applications using the React.js library. They are responsible for designing high-quality user interfaces, optimizing application performance, and implementing best practices in front-end development. In addition to coding, they often mentor junior developers, contribute to architectural decisions, and collaborate closely with designers and backend engineers to deliver seamless user experiences.

What skills and qualifications are needed to thrive as a senior React engineer?

To thrive as a Senior React Engineer, you need advanced proficiency in JavaScript, deep knowledge of React.js, and experience with front-end architecture, often supported by a degree in computer science or equivalent experience. Familiarity with state management libraries (like Redux), version control systems (such as Git), and modern build tools is essential, and certifications in relevant technologies can be advantageous. Strong problem-solving skills, effective communication, and the ability to mentor others help set you apart in this role. These skills and qualities are crucial for building scalable, high-performance web applications and leading development teams through complex technical challenges.

How does a senior React engineer typically collaborate with designers and backend developers in a project team?

Senior React Engineers play a key role in bridging the gap between user interface design and backend functionality. They regularly collaborate with UX/UI designers to translate visual concepts into interactive, high-performance components, ensuring design feasibility and user experience consistency. Additionally, they work closely with backend developers to integrate APIs, define data requirements, and troubleshoot any integration issues. This cross-functional teamwork is essential for delivering cohesive, scalable applications and often involves regular stand-up meetings, code reviews, and joint planning sessions.

What are popular job titles related to Senior React Engineer jobs in Delaware?

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The top searched job categories for Senior React Engineer jobs in Delaware are:

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Cities in Delaware with the most Senior React Engineer job openings:

Senior React Engineer jobs near you

Senior Lead Software Engineer - Java/React/AWS/AI

JPMorgan Chase & Co.

Wilmington, DE • On-site

$180 - $240/hr

Other

Posted 6 days ago

JPMorgan Chase & Co. rating

8.0

Company rating: 8.0 out of 10

Based on 495 frontline employees who took The Breakroom Quiz

72nd of 171 rated banks

Job description

Be an integral part of an agile team that’s constantly pushing the envelope to enhance, build, and deliver top‑notch technology products.


As a Senior Lead Software Engineer - Java/React/AWS/AI at JPMorganChase within the Consumer and Community Banking team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market‑leading technology products in a secure, stable, and scalable way. Drive significant business impact through your capabilities and contributions, and apply deep technical expertise and problem‑solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications.


Job responsibilities

  • Regularly provides technical guidance and direction to support the business and its technical teams, contractors, and vendors

  • Develops secure and high-quality production code, and reviews and debugs code written by others

  • Drives adoption and governance of approved AI-assisted engineering practices across teams to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test acceleration, release readiness, incident/root‑cause analysis), while establishing measurable validation standards (secure coding, peer review, automated testing) and promoting reuse of proven patterns and automation within the SDLC/TLM toolchain.

  • Applies knowledge of tools within the Software Development Life Cycle toolchain, including approved AI-assisted development and automation capabilities, to improve the value realized by automation at scale.

  • Leads evaluation sessions with external vendors, startups, and internal teams to drive outcomes‑oriented probing of architectural designs, technical credentials, and applicability for use within existing systems and information architecture

  • Drives decisions that influence the product design, application functionality, and technical operations and processes

  • Serves as a function‑wide subject matter expert in one or more areas of focus

  • Actively contributes to the engineering community as an advocate of firmwide frameworks, tools, and practices of the Software Development Life Cycle


Required qualifications, capabilities, and skills

  • Formal training or certification on software engineering concepts and 5+ years applied experience

  • Hands‑on practical experience delivering system design, application development, testing, and operational stability

  • Strong experience in Java, React, platform engineering, AWS, systems design, solution design, low level design, database, messaging, live application/data migrations, design patterns, high scale, production support from product and platform organizations.

  • Experience with AI agents, Automated generation of UI, design, code, database, test cases, and assembling solutions in real time shortening the SDLC to significantly reducing timelines using prompt engineering with AI powered LLM tools such as Claude, CoPilot and assembling solution to result in production grade services/APIs using coding and performance best practices

  • Demonstrated experience leading effective use of enterprise-authorized AI-assisted software development tools within the work environment (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 senior engineers/leads on compliant usage patterns and controls.

  • Ability to tackle design and functionality problems independently with little to no oversight

  • Practical cloud native experience


Preferred qualifications, capabilities, and skills

  • Exposure to modern emerging technologies

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