Senior React Engineer

Repisodic

Senior React Engineer designing, building, and scaling user-facing data-driven healthcare solutions. Contributing to front-end architecture and ensuring software quality within a hybrid environment.

Posted 6/23/2026full-timePhiladelphia • Pennsylvania • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudJavaJavaScriptReactReduxRxJSSQLTypeScript

About the role

Key responsibilities & impact

Design, architecture, and development of complex front-end applications using Typescript, Redux, RXJS, Tailwind, Vite, Biome
Build scalable, multi-tenant frontend platforms that support multiple clients, brands, or business units
Architect and implement efficient API integration patterns to consume backend services
Collaborate with backend engineers to define API contracts and ensure seamless data flow between systems
Optimize application performance, scalability, and responsiveness
Drive frontend best practices, including code quality, testing, accessibility, and performance standards
Support CI/CD pipelines and modern build tools for frontend delivery
Partner closely with cross-functional teams in design, product, and other business units
Take ownership in product features that drive Trella’s mission
Improve the team through the process and/or technical contributions
Be results-driven: We prosper by delivering value to our customers. We need each team member to be customer-centric and focusing on actions that provide value to the customer

Requirements

What you’ll need

5+ years of front-end development experience with a focus on modern JavaScript frameworks
Strong expertise in React.js, JavaScript (ES6+), and TypeScript
Expertise in HTML5, CSS3, and modern web layout techniques
Experience with state management libraries and front-end build tools
Ability to develop scalable, responsive web applications
Strong problem-solving and communication skills, with the ability to work effectively in a cross-functional team
Experience working with RESTful services, APIs, and service-oriented architectures
Working knowledge with at least one modern cloud service provider such as AWS
Solid understanding of responsive design, cross-browser compatibility, and accessibility standards
Good understanding of Java, JSON, SQL, and GIT actions
Comfort with front-end tooling and workflows: linters, bundlers, pre-processors, and unit testing frameworks, Playwright a plus
A constant desire to grow, learn and explore new things

Benefits

Comp & perks

Health, Dental, Vision & Voluntary Benefits
Competitive Salary
401k Retirement Savings
Flexible PTO & 10 Paid Holidays
Flexible Work Hours
Equity Shares
Paid Leave Programs
Marketplace for discounted retail and entertainment

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

TypescriptReduxRXJSTailwindViteReact.jsJavaScript (ES6+)HTML5CSS3RESTful services

Soft Skills

problem-solvingcommunicationcustomer-centriccross-functional collaborationownershipresults-driventeam improvementadaptabilityfocus on valuedrive best practices