Senior React Engineer Job at Cogniphi

Senior React Engineer

A global fintech is hiring a React Developer to join its London engineering team...

Location

United Kingdom , London

Salary:

80000.00 GBP / Year

Orbis Consultants

Expiration Date

Until further notice

Requirements

Commercial experience with React, TypeScript, and modern state management (Redux or similar)
Strong foundations in testing, CI/CD, and accessibility
Ability to work both independently and as part of a lean, high-performing team

Job Responsibility

Develop and optimise modern React/TypeScript web applications
Deliver new features while ensuring code quality, testing, and maintainability
Contribute to front-end architecture and state management decisions
Collaborate across teams in a fast-paced, agile environment

What we offer

Bonus
Hybrid working
Career growth opportunities in a fast-scaling engineering team

Fulltime

Senior React Engineer

We’re looking for a Senior React Engineer to join our team and help build high-i...

Location

Ukraine

Salary:

Not provided

Honeycomb Software

Expiration Date

Until further notice

Requirements

5+ years of experience working with React and TypeScript in production
Strong background building applications with React, Next.js, TailwindCSS, and modern UI libraries (preferably shadcn)
Solid knowledge of component-based architecture, state management patterns, responsive design, and performance optimization
Experience with data visualisation (D3.js, Recharts, Mapbox or similar)
Strong collaboration skills and ability to work with design, backend, and product teams
Excellent communication, ownership mindset, and the ability to work independently in a distributed team

Job Responsibility

Develop rich, high-performance web applications using React, Next.js, TypeScript, TailwindCSS, and shadcn UI
Build and maintain reusable UI components and scalable front-end architecture for a growing product ecosystem
Lead the implementation and evolution of the design system in close collaboration with the product design team
Work closely with backend and full-stack engineers to integrate with APIs and platform services built on Supabase and other cloud tools
Contribute to and support a React Native mobile application as part of a cross-platform delivery team
Balance rapid product iteration with long-term engineering quality, scalability, and maintainability

What we offer

Opportunity to contribute to a mission-driven product with real global impact
Work with a modern technology stack and influence core front-end architecture
Collaborative engineering culture with strong ownership and autonomy
Full-time remote work within EU, UK, or North America time zones
Competitive salary and eligibility for equity participation
Supportive environment focused on transparency, learning, and continuous improvement

Fulltime

Senior React Native Engineer

We are looking for a Senior React Native Engineer with strong communication skil...

Location

Salary:

Not provided

AUTO1 Group

Expiration Date

Until further notice

Requirements

4+ years of experience with JavaScript/TypeScript
3+ years of production experience with React Native
Solid understanding of mobile development best practices: navigation, animations, performance
Experience with state management (e.g. Redux, Zustand) and server state handling with React Query
Familiarity with debugging tools, testing (unit/integration), and mobile release processes

Job Responsibility

Design, develop, and maintain features in our React Native app for iOS and Android
Collaborate with designers, product managers, and backend developers to deliver user value
Own core parts of the app architecture, ensuring long-term performance and maintainability
Improve app speed, reliability, and UX through best practices and performance tuning
Participate in code reviews, architecture discussions, and mentor fellow engineers
Drive technical decisions and help improve team workflows and mobile engineering culture

What we offer

A fully remote position with flexible working hours
30 vacation days annually
A personal learning budget for books, courses, or conferences
Modern tech stack and well-established development standards
Clear and regular feedback cycles
An open-minded, experienced team that values clean code, collaboration, and product quality

Fulltime

React Senior Software Engineer

React Senior Software Engineer at Sopra Steria involves responsibilities such as...

Location

India , Noida

Salary:

Not provided

Sopra Steria

Expiration Date

Until further notice

Requirements

Bachelor’s degree in computer science, information technology, or a similar field
Previous experience working as a react.js developer
In-depth knowledge of JavaScript, CSS, HTML, and front-end languages
Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux
Experience with user interface design
Knowledge of performance testing frameworks including Mocha and Jest
Experience with browser-based debugging and performance testing software
Excellent troubleshooting skills
Good project management skills

Job Responsibility

Meeting with the development team to discuss user interface ideas and applications
Reviewing application requirements and interface designs
Identifying web-based user interactions
Developing and implementing highly responsive user interface components using react concepts
Writing application interface codes using JavaScript following react.js workflows
Troubleshooting interface software and debugging application codes
Developing and implementing front-end architecture to support user interface concepts
Monitoring and improving front-end performance
Documenting application changes and developing updates

What we offer

Inclusive and respectful work environment
Positions open to people with disabilities

Senior Front-end Engineer (React)

This project focuses on empowering modern cities to understand how people and sy...

Location

Ukraine

Salary:

Not provided

StartupSoft

Expiration Date

Until further notice

Requirements

Strong proficiency in JavaScript (ES6+) and React.js
Hands-on experience with HTML5, CSS3, and responsive design principles
Experience with state management libraries (Redux, MobX, Context, Recoil, etc.)
Familiarity with REST APIs
Understanding of front-end build tools (Webpack, Vite, Babel)
Proficiency with Git and modern development workflows
Knowledge of component-driven development and design patterns
Strong problem-solving skills and attention to detail
Good communication and collaboration abilities
Ability to work in a fast-paced, agile environment

Job Responsibility

Develop and maintain React.js web applications with a focus on performance and scalability
Build reusable components, hooks, and front-end libraries for future use
Translate UI/UX wireframes and design mockups into high-quality code
Optimize applications for speed, responsiveness, and SEO
Integrate front-end components with FastAPI or backend services
Manage application state using tools such as Redux, Zustand, Recoil, or Context API
Write clean, maintainable code following industry best practices
Debug issues, perform root-cause analysis, and implement timely fixes
Collaborate with cross-functional teams, including backend developers, designers, and QA
Participate in code reviews, agile ceremonies, and sprint planning

What we offer

Global collaboration opportunities
Core team membership
Equity and ownership potential
Premier workspaces
Competitive compensation package
Cutting-edge technology environment
Impactful project contributions
Collaborative company culture

Fulltime

Senior Software Engineer

A Senior Software Engineer will work closely with Product Managers, Design, and ...

Location

United States , Chicago

Salary:

145000.00 - 170000.00 USD / Year

Arrive Logistics

Expiration Date

Until further notice

Requirements

4+ years of software engineering or other closely related experience
Experience building enterprise software in .NET
Experience with React, Redux, and GraphQL, preferred
Experience working in a collaborative environment working hand-in-hand with Engineering, Product, QA, and DevOps teams preferred
Experience developing on large-scale projects, involving multiple teams and modern development frameworks
Strong knowledge of core Computer Science fundamentals, engineering best practices, and industry trends
Proficiency in system design, and a passion for solving architectural problems
Capable of communicating technical decisions and design to non-technical stakeholders
Ability to problem-solve unique & complex issues, both independently & collaboratively
Strong analytical, problem-solving, decision-making, and interpersonal skills

Job Responsibility

Work in partnership with Product and their Engineering team to develop impactful software solutions that drive Arrive to be a top freight brokerage
Take ownership in designing and executing medium to large-scale technical solutions with relative independence to produce high-quality software
Oversee all builds from developing, testing, deploying, and continuing to monitor after implementation
Develop and maintain relationships across departments such as Data, Product, and other Engineering teams to increase collaboration and identify issues proactively, and provide solutions larger than the team’s purview
In partnership with other leaders, establish best practices across the organization and drive the organization’s standards within the team, leading by example
Share technical expertise and communicate the why behind all projects to increase team effectiveness
Be a leader, mentor, and subject matter expert for the team, stakeholders, and peers. Foster a collaborative environment that drives solutions forward at a larger scope
Continue to increase knowledge and understanding of the business and industry at a larger scale to be able to strategically contribute to the team’s roadmap in partnership with the Product Manager
Ensure the team is producing a quality product by completing code reviews, test coverage, and providing effective feedback to encourage improvement
Practice quality documentation and ensure codebases are left in a comprehensive manner for other team members to use

What we offer

Take advantage of excellent benefits, including medical, dental, vision, life, and disability coverage
Invest in your future with our matching 401(k) program
Build relationships and take part in learning opportunities through our Employee Resource Groups
Enjoy office wide engagement activities, team events, happy hours and more
Leave the suit and tie at home
our dress code is casual
Work in the heart of downtown Chicago, IL
There are CTA and L train stops walking distance from the office and you can store your bike safely inside of the building
Sweat it out at the LifeStart gym in our office building that includes brand new Peloton bikes, top-of-the-line equipment and personal training options
Maximize your wellness with free counseling sessions through our Employee Assistance Program

Fulltime

Senior Engineer - Lead

FinXL by Randstad Digital focuses on accelerating client's digital transformatio...

Location

Australia , Sydney CBD

Salary:

Not provided

FinXL

Expiration Date

Until further notice

Requirements

Experience at a Senior Lead - Engineer
Experience in Relational Databases - Microsoft SQL Server preferred, Postgres, Sybase
Experience in Back-end: Java
Experience in Front-end: Angular or React
Experience in Unix batch scripting
Experience in AWS Cloud experience
Experience in Data distribution: Kafka
Experience in Containerisation: Docker
Credit Risk background would be an advantage
Team leadership experience

Job Responsibility

provide Technical Team Leadership and Strategic direction in a Credit Risk environment

Senior Software Engineer

Pomelo Care is a multi-disciplinary team of clinicians, engineers and problem so...

Location

United States

Salary:

190000.00 - 220000.00 USD / Year

Pomelo Care

Expiration Date

Until further notice

Requirements

5+ years of experience shipping high-quality, scalable software systems
High level of proficiency in system and relational database design and one or more languages like Java, C#, Kotlin, Python, Go, etc.
Experience developing applications with modern front-end frameworks like React or Vue.js
Passionate about staying on the cutting-edge of agentic tooling to significantly accelerate delivery and amplify engineering impact
Track record of delivering elegant and maintainable solutions to complex problems that matter

Job Responsibility

Write clean, elegant code to ship new features
Lead the design and development of robust, scalable systems that enable clinical team to deliver personalized, data-driven care
Push the boundaries of new AI-powered tools, building agents that make clinicians drastically more efficient and effective
Enhance mobile experience, ensuring parents and families feel connected and supported
Mentor other engineers, providing technical guidance and thoughtful code reviews
Collaborate with product and clinical leadership to influence the technical roadmap

What we offer

Competitive healthcare benefits
Generous equity compensation
Unlimited vacation
Membership in the First Round Network (a curated and confidential community with events, guides, thousands of Q&A questions, and opportunities for 1-1 mentorship)

Fulltime

Senior React Engineer

Cogniphi

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 21, 2026

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