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Mid-Level React Front-end Developer

ExperiencedNo visa sponsorship
Ernst & Young logo

at Ernst & Young

Big Four

Posted 9 days ago

No clicks

**Mid-Level React Front-end Developer** Build and optimize scalable React apps, collaborate cross-functionally, and mentor juniors in our tech transformation consulting practice. Must-have: 3-7 years hands-on React.js/JS/HTML5/CSS3, strong Redux/Context API, build tools, and Git workflows. Plus: cloud-native, authentication, GraphQL, and design systems experience. Based in Cyprus, hybrid work model. Responsibilities: Build/maintain React apps; integrate secure APIs; collaborate with designers, backend teams, and QA; optimize app performance; write tests; mentor juniors. Required: Bachelor's degree in CS/SE or related field, 3-7 years of experience. Offers: Competitive salary, 13th salary and yearly bonus, provident fund, private medical/life insurance, flexible work arrangements, EY Tech MBA/MSc, mobility programs, EAP, and more. Join EY to build a better working world.

Compensation
Not specified

Currency: Not specified

City
Not specified
Country
Cyprus

Full Job Description

At EY, were all in to shape your future with confidence.  

 

Well help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.   

 

Join EY and help to build a better working world. 

 

The opportunity 

 

Our EY Consulting ambition is to become the worlds leading transformation consultants, trusted to help our clients generate long-term value. Were building world-class capabilities in business, technology and people consulting to help us deliver on EYs purpose of building a better working world our firms broader ambition to become the worlds most trusted, distinctive professional services organization. 

 

Our clients are at the heart of our new strategy. Were focused on solving the key issues of our client buyers, building deeper relationships, and making a greater impact. Were introducing a new go-to-market narrative Transformation Realized to help us harness the core drivers of transformation that will create long-term value for our clients. 

 

To achieve this, we are seeking a Mid-Level React Front-end Developer to join our Technology Transformation Consulting practice. Our team is part of EYs Central, Eastern and Southeastern Europe & Central Asia (CESA) cluster, delivering market leading services to organizations across industries in Cyprus and internationally.  

 

The transformation imperative is urgent, challenging and opportunity-rich, interested to join us? 

 

Your Key Responsibilities 

 

  • Build and maintain scalable React applications and reusable component libraries.  

  • Integrate secure RESTful APIs and manage application state with Redux or Context API. 

  • Collaborate with backend teams to define API specifications. 

  • Implement pixelperfect UI in collaboration with designers.  

  • Optimize application performance (lazy loading, code splitting, tuning). 

  • Write unit and integration tests; participate in code reviews.  

  • Mentor junior developers and participate in architectural discussions. 

 

Required Qualifications 

 

  • Bachelors degree in Computer Science, Software Engineering, or related field.  

  • 37 years of handson frontend development experience with React.js, JavaScript (ES6+), HTML5, CSS3.  

  • Strong knowledge of Redux or Context API for state management.  

  • Experience with build tools (Webpack, Vite, Babel).  

  • Proficiency with multi-environment app configurations, Git workflows, and CI/CD practices. 

  • Hands-on experience with cloud-native architectures (Azure, AWS, GCP), including hosting, scaling, CDNs, caching, and serverless functions. 

  • Proven experience implementing authentication & authorization flows (e.g. OAuth2 / OIDC, JWT). 

  • Must be based in Cyprus, or willing to relocate, and follow a hybrid work model (3 days per week onsite). 

 

Skills and attributes for success 

 

  • Strong debugging, problemsolving, and performanceprofiling skills.  

  • Ability to work crossfunctionally across design, backend, QA, and product teams.  

  • Clear communication, ownership mindset, and high attention to code quality. 

  • Proficient in using AI coding agents to accelerate development across the stack (component generation, test writing, API exploration), while applying strong judgment about accuracy, maintainability, and security. 

  • Ability to use vibe coding methods (AI-driven ideation, architectural exploration, multistep agentic workflows) without sacrificing quality. 

  • Comfortable evaluating AI-suggested optimizations, patterns, and alternatives, choosing only what aligns with best practices. 

 

Ideally you should also have 

 

  • Experience integrating real-time features such as WebSockets, Server-Sent Events (SSE), Socket.io, Pub/Sub systems. 

  • Experience with notifications systems, including push notifications & in-app messaging. 

  • Experience building or integrating design systems / component libraries (Storybook, MUI). 

  • Handson GraphQL experience.  

  • Cloud native development certification (Azure/AWS). 

  • Experience with frameworks such as Next.js. 

  • Strong knowledge of accessibility best practices. 

  • Familiarity with DevOps workflows, Docker, or similar tools. 

 

What we offer you  

 

At EY, well develop you with future-focused skills and equip you with world-class experiences. Well empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more. 

 

In addition to a competitive salary, our benefits include but are not limited to: 

 

  • 13th salary and yearly bonus  

  • Provident Fund  

  • Private Medical and Life Insurance  

  • Flexible working arrangements (hybrid work and flexible work schedule)  

  • Friday afternoon off   

  • EY Tech MBA and EY MSc in Business Analytics  

  • EY Badges - digital learning certificates  

  • Mobility programs (if interested to work abroad)  

  • Paid Sick Leave  

  • Paid Paternity Leave  

  • Yearly wellbeing days off  

  • Maternity, Wedding and New Baby Gifts  

  • EY Employee Assistance Program (EAP) (counselling, legal and financial consultation services)  

 

About EY  

 

EY |  Building a better working world 

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets. 

 

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow. 

 

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories. 

Mid-Level React Front-end Developer

Compensation

Not specified

City: Not specified

Country: Cyprus

Ernst & Young logo
Big Four

9 days ago

No clicks

at Ernst & Young

ExperiencedNo visa sponsorship

**Mid-Level React Front-end Developer** Build and optimize scalable React apps, collaborate cross-functionally, and mentor juniors in our tech transformation consulting practice. Must-have: 3-7 years hands-on React.js/JS/HTML5/CSS3, strong Redux/Context API, build tools, and Git workflows. Plus: cloud-native, authentication, GraphQL, and design systems experience. Based in Cyprus, hybrid work model. Responsibilities: Build/maintain React apps; integrate secure APIs; collaborate with designers, backend teams, and QA; optimize app performance; write tests; mentor juniors. Required: Bachelor's degree in CS/SE or related field, 3-7 years of experience. Offers: Competitive salary, 13th salary and yearly bonus, provident fund, private medical/life insurance, flexible work arrangements, EY Tech MBA/MSc, mobility programs, EAP, and more. Join EY to build a better working world.

Full Job Description

At EY, were all in to shape your future with confidence.  

 

Well help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.   

 

Join EY and help to build a better working world. 

 

The opportunity 

 

Our EY Consulting ambition is to become the worlds leading transformation consultants, trusted to help our clients generate long-term value. Were building world-class capabilities in business, technology and people consulting to help us deliver on EYs purpose of building a better working world our firms broader ambition to become the worlds most trusted, distinctive professional services organization. 

 

Our clients are at the heart of our new strategy. Were focused on solving the key issues of our client buyers, building deeper relationships, and making a greater impact. Were introducing a new go-to-market narrative Transformation Realized to help us harness the core drivers of transformation that will create long-term value for our clients. 

 

To achieve this, we are seeking a Mid-Level React Front-end Developer to join our Technology Transformation Consulting practice. Our team is part of EYs Central, Eastern and Southeastern Europe & Central Asia (CESA) cluster, delivering market leading services to organizations across industries in Cyprus and internationally.  

 

The transformation imperative is urgent, challenging and opportunity-rich, interested to join us? 

 

Your Key Responsibilities 

 

  • Build and maintain scalable React applications and reusable component libraries.  

  • Integrate secure RESTful APIs and manage application state with Redux or Context API. 

  • Collaborate with backend teams to define API specifications. 

  • Implement pixelperfect UI in collaboration with designers.  

  • Optimize application performance (lazy loading, code splitting, tuning). 

  • Write unit and integration tests; participate in code reviews.  

  • Mentor junior developers and participate in architectural discussions. 

 

Required Qualifications 

 

  • Bachelors degree in Computer Science, Software Engineering, or related field.  

  • 37 years of handson frontend development experience with React.js, JavaScript (ES6+), HTML5, CSS3.  

  • Strong knowledge of Redux or Context API for state management.  

  • Experience with build tools (Webpack, Vite, Babel).  

  • Proficiency with multi-environment app configurations, Git workflows, and CI/CD practices. 

  • Hands-on experience with cloud-native architectures (Azure, AWS, GCP), including hosting, scaling, CDNs, caching, and serverless functions. 

  • Proven experience implementing authentication & authorization flows (e.g. OAuth2 / OIDC, JWT). 

  • Must be based in Cyprus, or willing to relocate, and follow a hybrid work model (3 days per week onsite). 

 

Skills and attributes for success 

 

  • Strong debugging, problemsolving, and performanceprofiling skills.  

  • Ability to work crossfunctionally across design, backend, QA, and product teams.  

  • Clear communication, ownership mindset, and high attention to code quality. 

  • Proficient in using AI coding agents to accelerate development across the stack (component generation, test writing, API exploration), while applying strong judgment about accuracy, maintainability, and security. 

  • Ability to use vibe coding methods (AI-driven ideation, architectural exploration, multistep agentic workflows) without sacrificing quality. 

  • Comfortable evaluating AI-suggested optimizations, patterns, and alternatives, choosing only what aligns with best practices. 

 

Ideally you should also have 

 

  • Experience integrating real-time features such as WebSockets, Server-Sent Events (SSE), Socket.io, Pub/Sub systems. 

  • Experience with notifications systems, including push notifications & in-app messaging. 

  • Experience building or integrating design systems / component libraries (Storybook, MUI). 

  • Handson GraphQL experience.  

  • Cloud native development certification (Azure/AWS). 

  • Experience with frameworks such as Next.js. 

  • Strong knowledge of accessibility best practices. 

  • Familiarity with DevOps workflows, Docker, or similar tools. 

 

What we offer you  

 

At EY, well develop you with future-focused skills and equip you with world-class experiences. Well empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more. 

 

In addition to a competitive salary, our benefits include but are not limited to: 

 

  • 13th salary and yearly bonus  

  • Provident Fund  

  • Private Medical and Life Insurance  

  • Flexible working arrangements (hybrid work and flexible work schedule)  

  • Friday afternoon off   

  • EY Tech MBA and EY MSc in Business Analytics  

  • EY Badges - digital learning certificates  

  • Mobility programs (if interested to work abroad)  

  • Paid Sick Leave  

  • Paid Paternity Leave  

  • Yearly wellbeing days off  

  • Maternity, Wedding and New Baby Gifts  

  • EY Employee Assistance Program (EAP) (counselling, legal and financial consultation services)  

 

About EY  

 

EY |  Building a better working world 

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets. 

 

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow. 

 

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.