Senior React Engineer Jobs

New

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

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

New

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

New

Sr. Front-End Engineer (React Native), Product

We’re looking for an experienced Front-End Engineer (React Native focus) to join...

Location

United States

Salary:

160000.00 - 190000.00 USD / Year

Zora

Expiration Date

Until further notice

Requirements

4+ years of professional experience as a Software Engineer
Strong technical background building consumer- or user-facing applications at scale using React/React Native
Comfortable working through the product lifecycle, partnering closely with Designers, Engineers, and Product Managers
Strong product sense and keep user needs front and center when building and improving features
Familiarity with crypto features and concepts
A desire to keep up with modern best practices in software development and Web3
U.S. time zone

Job Responsibility

Work closely with Product Managers, Designers, and Engineers across the stack to build and continuously improve trading-related features
Develop and maintain performant, scalable user interfaces across mobile and web
Take ownership of projects end-to-end, working independently while seeking guidance from senior peers and managers as needed
Communicate status, updates, blockers, etc., to cross-functional stakeholders
Respond to incidents as part of an on-call rotation
Participate in RFC and code review

What we offer

Remote-First Culture: Work from anywhere in the world!
Competitive Compensation: Including salary, pre-IPO stock options, token compensation, and additional financial incentives
Comprehensive Benefits: Robust healthcare options, including fully covered medical, dental, and vision for employees
Retirement Contributions: Up to 4% employer match on your 401(k) contributions
Health & Wellness: Free memberships to One Medical, Teladoc, and Health Advocate
Unlimited Time Off: Flexible vacation policies, company holidays, and recharge weeks to prioritize wellness
Home Office Reimbursement: To cover home office items, monthly home internet, and monthly cell phone (if applicable)
Ease of Life Reimbursement: To cover everything from an Uber home in the rain, childcare, or meal delivery
Career Development: Access to mentorship, training, and opportunities to grow your career
Inclusive Environment: A culture dedicated to diversity, equity, inclusion, and belonging

Fulltime

New

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

New

Senior Engineer - Coach (AI)

As a Senior Engineer on Coach, you’ll build AI‑powered coaching experiences that...

Location

Australia , Melbourne

Salary:

Not provided

Culture Amp

Expiration Date

Until further notice

Requirements

Demonstrated Senior Engineer impact, leading delivery of moderately complex epics and navigating ambiguity with sound trade‑offs
Strong expertise in Python
Bonus if you have experience across TypeScript, React or Next.js
Experience building and scaling distributed systems with solid testing, observability, and reliability practices
Practical familiarity with AI‑enabled product development (or a strong desire to learn), including RAG, MCP, agents, tools, prompt design, and evals/guardrails
Excellent collaboration and communication skills, with a product mindset and care for privacy, security, and data quality

Job Responsibility

Ship high quality AI features — from discovery and design to implementation, testing, launch, and iteration
Integrate and enhance AI‑enabled capabilities (e.g., RAG, MCP servers, agents, tooling, llm-as-judge evals) with strong safety, privacy, and observability practices
Improve reliability and performance with streaming, token optimisation, and robust monitoring—balancing speed, cost, and quality
Collaborate with engineers, product managers, people science, designers and data scientists to deliver impactful AI solutions while mentoring and supporting the team
Raise the bar for engineering excellence through thoughtful design docs, code reviews, pairing, and mentorship

What we offer

Employee Share Options Program
Programs, coaching, and budgets to help you thrive personally and professionally
Access to external providers for mental wellbeing and coaching support
Monthly Camper Life Allowance
Team budgets dedicated to team building activities and connection
Intentional quarterly wellbeing pauses
Extended year-end breaks
Excellent parental leave and in work support program available from day 1
5 Social Impact Days a year
MacBooks for you to do your best & a work from home office budget

New

Senior Engineer - Coach (AI)

As a Senior Engineer on Coach, you’ll build AI‑powered coaching experiences that...

Location

Australia , Sydney

Salary:

Not provided

Culture Amp

Expiration Date

Until further notice

Requirements

Demonstrated Senior Engineer impact, leading delivery of moderately complex epics and navigating ambiguity with sound trade‑offs
Strong expertise in Python
Experience building and scaling distributed systems with solid testing, observability, and reliability practices
Practical familiarity with AI‑enabled product development (or a strong desire to learn), including RAG, MCP, agents, tools, prompt design, and evals/guardrails
Excellent collaboration and communication skills, with a product mindset and care for privacy, security, and data quality

Job Responsibility

Ship high quality AI features — from discovery and design to implementation, testing, launch, and iteration
Integrate and enhance AI‑enabled capabilities (e.g., RAG, MCP servers, agents, tooling, llm-as-judge evals) with strong safety, privacy, and observability practices
Improve reliability and performance with streaming, token optimisation, and robust monitoring—balancing speed, cost, and quality
Collaborate with engineers, product managers, people science, designers and data scientists to deliver impactful AI solutions while mentoring and supporting the team
Raise the bar for engineering excellence through thoughtful design docs, code reviews, pairing, and mentorship

What we offer

Employee Share Options Program
Programs, coaching, and budgets to help you thrive personally and professionally
Access to external providers for mental wellbeing and coaching support
Monthly Camper Life Allowance
Team budgets dedicated to team building activities and connection
Intentional quarterly wellbeing pauses
Extended year-end breaks
Excellent parental leave and in work support program available from day 1
5 Social Impact Days a year
MacBooks for you to do your best & a work from home office budget

New

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

Orbis Consultants

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 11, 2025

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