Senior React Developer Job at Cooper Lomaz (Norwich)

Senior React Native Developer

The Senior Developer at Founders Workshop helps clients bring their visions to l...

Location

United States

Salary:

Not provided

Founders Workshop

Expiration Date

Until further notice

Requirements

4+ years working with React Native
2+ Typescript experience
Flexible and responsive to changing requirements
Responsive to stakeholders needs and pain points
Detailed oriented: Ensures that every aspect of the development is of high quality, functional, and aesthetically pleasing, enhancing the usability and security of the final product
Based in Latin America (LATAM) to align with our team’s time zone and collaboration needs
Proficient in conversational English (B2 to C1 level)
Adaptable: You are quick to adjust to new challenges and changes in project requirements, ensuring seamless transitions
Reliable Communicator: Your proactive and clear communication style ensures that all stakeholders are informed and engaged. You're meticulous in your work, always aiming to meet and exceed stakeholder expectations

Job Responsibility

Use requirements from product manager to develop features that clients will love
Use best practices to create great code
Connect with your remote team daily to coordinate activities
Keep your team in the loop with the latest updates to your tasks
Ask questions and make suggestions so we can deliver the best software to our clients
Carefully analyze requirements and test scripts
Assist in planning and scope management
Collaborate with project leadership and team members
Identify blockers and potential blockers so the team moves quickly and effectively
Test code locally and participate in weekly code reviews

What we offer

Frontline of Innovation: Immerse yourself in a vibrant workplace that’s constantly adopting new technologies and exploring the potential of AI
Team Synergy: Work alongside a top-tier team where open and honest communication enhances our collaborative efforts to achieve outstanding results
Challenging Projects: Take pride in overcoming complex challenges and delivering solutions that set new benchmarks in the tech startup landscape
Industry Exposure: Benefit from opportunities to apply your skills across different sectors, enhancing your versatility and knowledge base
Remote Flexibility: Enjoy the flexibility of remote work along with our commitment to your career development and long-term success

Senior React Developer

This role is a part of our Experience and Engineering team in Zagreb/Split/Skopj...

Location

Croatia; North Macedonia , Zagreb; Split; Skopje

Salary:

Not provided

BASIC/DEPT®

Expiration Date

Until further notice

Requirements

6+ years of experience in JS development
Experience in a client-facing agency role or in direct consulting of clients
Proficiency in ReactJS and NodeJS
Knowledge of other JS frameworks is also acceptable
Proficiency with HTML and CSS
Proven track record in building responsive and accessible web solutions
Excellent communication skills and ability to work closely with project teams
A strong sense of responsibility for the end product
Professional working proficiency in English language
Professional working proficiency in Croatian OR Macedonian language

Job Responsibility

You will use your Javascript knowledge (primarily ReactJS, NodeJS) to deliver the best work to our clients
You are no stranger to working directly with clients in order to build the best solution and deliver the best work together with your team
You are always here to help and mentor more junior developers

What we offer

Hybrid working model
Flexible working hours
Home Office Equipment and desk budget
Gym membership compensation (Sportmaster, Multisport)
Awesome clients
The opportunity for possibility with training, development and certifications
Global annual DEPT® Cares Month in which employees come together and donate their skills to support local charities
A reputation for doing good

Senior React Developer

Our client is one of the largest insurance brokers in the world, working in the ...

Location

Argentina

Salary:

Not provided

ELEKS

Expiration Date

Until further notice

Requirements

10+ years of experience with React.js, JS
Experience with any UI-rich component library or corporate UI design system (experience in working with Storybooks)
Strong understanding of REST API
Advanced Level of English
Experience in leading teams of 3+ developers (creating, dividing tasks between developers, code reviews, mentoring if needed)
Experience in creating FE Architecture
Clear communication skills & responsible attitude to work
Self-sufficient developer who can mentor lower-level people

Job Responsibility

Design, develop, and maintain reliable software in line with technical requirements, focusing on performance and availability
Analyze requirements, review designs, and estimate user stories following project methodology (Agile, Waterfall, etc)
Proactively propose code refactoring and optimization improvements according to the best software development practices and coding standards
Help maintain and improve high-quality standards within the developer community by sharing knowledge, conducting tech talks, and participating in the internal promotion verification process
Stay up-to-date with modern technology and obtain professional certifications
Support less experienced developers by providing training, distributing, and monitoring tasks

What we offer

Close cooperation with a customer
Challenging tasks
Competence development
Ability to influence project technologies
Team of professionals
Dynamic environment with low level of bureaucracy

Senior React Developer

Location

Poland , Warsaw

Salary:

Not provided

Fireart Studio

Expiration Date

Until further notice

Requirements

5+ years of commercial experience
Expert knowledge in React
Expert knowledge of HTML, CSS (including CSS preprocessors)
Experience in consuming REST and GraphQL APIs
Practical experience with Typescript
High productivity and effective time management
Experience with Scrum/Agile SDLC
Outstanding interpersonal and written communication skills
Good spoken English

Job Responsibility

Working with international clients from the entire world (US and UK mostly)
Working within a project team, having Project Manager, Backend developers and Frontend developers as partners
Using digital tools to communicate with clients and within a team (Slack, Google Meet)

What we offer

21 paid days off per year
Health insurance
Learning resources
Competitive compensation depending on experience and skills
A friendly team of like-minded people
Opportunities for learning and development
Compensation for sick leaves
21 working days paid vacation + all Poland national holidays
Corporate events and activities
Private medical care

Senior React Developer

We are looking for a skilled Frontend Engineer to join our team. The ideal candi...

Location

Moldova , Chisinau

Salary:

Not provided

Yopeso

Expiration Date

Until further notice

Requirements

4+ years of hands-on experience with React.js and the modern front-end ecosystem
Strong proficiency in JavaScript (ES6+) and TypeScript
Solid understanding of React hooks, component lifecycle, and state management (e.g., Redux, Zustand, Recoil)
Experience working with RESTful APIs
Good understanding of HTML5, CSS3, and responsive design principles
Familiarity with Git and common development workflows
Basic knowledge of performance optimization and application scalability
Strong collaboration and communication skills
English level: Upper Intermediate or higher (B2–C1)

Job Responsibility

Develop and maintain modern web applications using React.js and related technologies
Implement responsive and user-friendly interfaces based on provided designs and requirements
Collaborate closely with back-end developers, designers, and delivery managers to ensure high-quality project delivery
Write reusable and scalable components aligned with coding standards
Ensure the technical feasibility of UI/UX designs and contribute to improvements when needed
Optimize application performance and maintain high code quality
Participate in sprint planning, code reviews, and daily stand-ups
Stay updated with front-end trends and propose relevant improvements

What we offer

Competitive remuneration
Remote work
Sports/leisure benefit
20 sick leave days paid at 100%
32 calendar days of vacation
Team events, online, at the office or outside
Professional development plan with guidance and mentorship
Training and development opportunities with allocated budget
Professional Certifications
Optional medical insurance

Fulltime

Senior React Native developer

Fireart is an experience design & technology partner to clients large and small....

Location

Poland , Warsaw

Salary:

Not provided

Fireart Studio

Expiration Date

Until further notice

Requirements

4+ years of commercial experience
Expert knowledge of React Native
Ability to develop native iOS/Android components to integrate with React Native and advanced platform capabilities
Expert knowledge on HTML, CSS (including CSS preprocessors)
Experience in consuming REST and GraphQL APIs
Commercial experience with Typescript
Commercial experience integrating Maps, Location, In-App purchase
High productivity and effective time management
Experience with Scrum/Agile SDLC
Outstanding interpersonal and written communication skills

Job Responsibility

Working remotely (or from Fireart office)
Working with international clients from entire world (US+UK = 80%)
Working within a project team, having Project Manager, Backend developers and Frontend developers as partners
Creating a beautiful mobile applications based on provided designs in Figma (90%)
Performing Code Review for other projects and other mobile developers (10%)
Using digital tools to communicate with client and within a team (Slack, Google Meet)

What we offer

21 paid days off per year
Health insurance
Learning resources
Competitive compensation depending on experience and skills
A friendly team of like-minded people
Opportunities for learning and development
Compensation for sick leaves
21 working days paid vacation + all Poland national holidays
Corporate events and activities
Private medical care

Fulltime

Senior React UI developer

The FX Data Analytics & AI Technology team, within Citi's FX Technology organiza...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

13 to 17 Years of experience
In depth commercial development experience with dominant experience on Client and Server-side applications
Proven experience in writing and supporting high performing applications with expertise in React, Multithreading, Async communication, Reactive Extensions
Extensive hand-on experience in web technologies and development with experience in HTML 5, CSS, React, ES6+, Typescript and Backend using Java technologies
Experience with desktop containers including Chromium, Electron
Good knowledge in SQL
Experience with continuous integration and continuous deployment tools like Jenkins or TeamCity
Self-starting individual with experience of working in a desk facing role
Exposure to Agile Methodologies like scrum, Kanban and techniques like TD

Job Responsibility

Closely work with FX desks in understanding the requirements and translating into simple and efficient design
Close interaction with Traders and Quants to understand new requirements for applications across the platform
Design, Development, Testing of new features in the applications
Continual improvement of the software development lifecycle and quality of the product
Help deliver large scale projects through hands-on development and technical leadership
3rd line support of the production system (dedicated 24h support teams handle 1st / 2nd line)
Mentoring junior members of the team

What we offer

30 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care
Employee Assistance Program
Pension Plan
Paid Parental Leave
Access to an array of learning and development resources

Fulltime

Senior UI Developer

We are seeking a talented Mid-Level to Senior React UI Developer with 5 – 8 year...

Location

India , Hyderabad

Salary:

Not provided

NStarX

Expiration Date

Until further notice

Requirements

5 – 8 years of professional experience in frontend development
Strong proficiency in React.js (16.8+, 18+), functional components, hooks, context API, and modern JavaScript features
Strong expertise in TypeScript for type-safe application development
Expertise in Tailwind CSS and/or Material UI for building responsive, accessible UIs
Hands-on experience with Redux Toolkit, React Query, Zustand, or similar libraries
Experience with React Hook Form or Formik for complex form handling and validation
Hands-on experience with RESTful APIs and GraphQL
Proficiency in Webpack and/or Vite for build optimization and configuration
Hands-on experience with Docker for containerization in development and deployment
Familiarity with CI/CD workflows using GitHub Actions or Jenkins

Job Responsibility

Design, develop, and maintain complex React.js applications with a focus on performance and user experience
Build reusable, modular components using React.js, TypeScript, and modern CSS frameworks (Tailwind CSS, Material UI)
Implement robust state management solutions using Redux Toolkit, React Query, or similar libraries
Develop and integrate forms using React Hook Form or Formik with comprehensive validation
Integrate RESTful APIs and GraphQL endpoints for seamless data handling and real-time updates
Optimize application build processes using Webpack or Vite for faster load times and better performance
Containerize applications using Docker for consistent development and deployment environments
Set up and maintain CI/CD pipelines using GitHub Actions or Jenkins
Debug complex issues, perform root cause analysis, and implement performance optimization strategies
Collaborate with backend developers, designers, and product managers in an Agile environment

What we offer

Competitive base + commission
Fast growth into leadership roles

Fulltime

Senior React Developer

Cooper Lomaz

Location:
United Kingdom , Norwich

Category:
IT - Software Development

Contract Type:
Employment contract, B2B

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 13, 2026

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Cooper Lomaz

Location:United Kingdom , Norwich

Category:IT - Software Development

Contract Type:Employment contract, B2B

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:January 13, 2026

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Location:
United Kingdom , Norwich

Category:
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Contract Type:
Employment contract, B2B

Job Posted:
January 13, 2026