Senior Frontend Engineer – React & Next.js

Where exceptional talents scale what matters.

Swicon Minds is a curated community of 450+ senior top talents working on complex enterprise challenges, while operating within a stable, structured, and supportive ecosystem.

Talent Pool

Please provide your information!


Close

LEAP WITH CONFIDENCE.

SCALE THROUGH COMPETENCE.

Senior Frontend Engineer – React & Next.js

2025.10.23.

Summary

Bucharest, ROU

Remote

Senior

Introduction

Swicon Group is one of the leading members of the IT arena for almost a decade, since 2017 present also in Romania. Our wide range of services and highly trained professionals give us the opportunity to shape our solutions to fully meet the ideas and wishes of our clients. We are proud to have leading banks, insurance and telecommunication companies, as well as large FMCG corporations and SSCs amongst our highly prestigious partners.

Description

As a Senior Frontend Engineer, you will play a key role in developing and optimizing modern web applications using Next.js, ensuring high performance, scalability, and maintainability. Your work will span both client-side and server-side development, leveraging server-side rendering (SSR), static site generation (SSG), and API routes while also focusing on delivering seamless, interactive user experiences.

 

You will be responsible for making technical decisions related to the frontend architecture, optimizing data fetching strategies, and ensuring efficient state management. Collaborating closely with backend developers, UX/UI designers, and product managers, you will contribute to building robust, user-friendly, and performant applications.

 

We know this is a challenging role, but you won’t be navigating it alone—our experienced technical team will support you, and the company’s structured processes will provide a solid foundation for overcoming obstacles.

Tasks

As a Senior Frontend Engineer, you will play a key role in developing and optimizing modern web applications using Next.js, ensuring high performance, scalability, and maintainability. Your work will span both client-side and server-side development, leveraging server-side rendering (SSR), static site generation (SSG), and API routes while also focusing on delivering seamless, interactive user experiences.

 

You will be responsible for making technical decisions related to the frontend architecture, optimizing data fetching strategies, and ensuring efficient state management. Collaborating closely with backend developers, UX/UI designers, and product managers, you will contribute to building robust, user-friendly, and performant applications.

 

We know this is a challenging role, but you won’t be navigating it alone—our experienced technical team will support you, and the company’s structured processes will provide a solid foundation for overcoming obstacles.

Expectations

Frontend & UI Development

●      CSS-in-JS / Styling - Tailwind CSS, Styled Components or CSS Modules

●      State Management - Redux, Zustand, Recoil, or Context API

●      Component Libraries - shadcn/ui, Material-UI, or custom component design

 

Server-Side & API Integration

●      Next.js API Routes & Middleware - Experience building server-side logic

●      RESTful APIs & GraphQL - Integration with backend services

●      Authentication & Authorization - OAuth, JWT, NextAuth.js

 

Performance & Optimization

●      Code Splitting & Lazy Loading - Optimizing performance in Next.js

●      SEO & Core Web Vitals - Strong understanding of optimizing for search engines

●      Caching & Data Fetching - React Query, Server Actions/Functions

 

Tooling & DevOps

●      Git & CI/CD - Proficiency with GitLab CI/CD, or similar tools

●      Package Managers - npm or pnpm

●      Containerization & Deployment - Experience with Docker, K8s

 

Soft Skills & Mindset

●      Leadership & Mentorship - Ability to guide junior developers

●      Code Quality & Best Practices - Writing clean, maintainable, and scalable code

●      Problem-Solving & Critical Thinking - Tackling complex technical challenges

●      Collaboration & Communication - Working effectively with cross-functional teams

Advantages

  • Excellent learning opportunities! Variety in your work and a fantastic, informal work atmosphere. 
  • A challenging environment that will stimulate you to grow as a professional! 
  • A great foundation for your career! 
  • Grow with us! Your role will develop over time, so you can increase your experience and responsibilities. So, you can advance faster and further in your future career. 
  • A friendly and welcoming work environment with an international working atmosphere where you can practice and learn new language skills with a diverse mix of colleagues and clients. 
  • A dynamic work environment with a culture that is open, innovative, and performance orientated. 

Employer's offer

Salary: 14000 RON NET

Apply for this position

Are you suitable for this positon? Click on the apply button and upload your CV!

Share this position

Share this position on your social media platform to help a friend to find his/her dreamjob!

Senior Frontend Engineer – React & Next.js

Please provide your information!


Close

Similar Positions

Senior Dynamics 365 F&O Consultant

Remote2026.08.27.
ROU Bucharest remote senior Swicon Group is…

DCE Lead Engineer — Microsoft Dynamics 365 CE

Remote2026.08.27.
ROU Bucharest remote senior Swicon Group is…

Data Analyst

Hybrid2026.08.27.
ROU Bucharest hybrid medior Swicon Group is…

Mid-level Java Developers

Hybrid2026.08.27.
ROU Bucharest hybrid medior Swicon Group is…

Inginer Sisteme de Securitate

Hybrid2026.08.27.
ROU Bucharest hybrid medior Swicon Group is…

Junior BMS Engineer

OnSite2026.08.27.
ROU Bucharest onSite medior Swicon Group is…

Site Coordinator

OnSite2026.08.27.
ROU Bucharest onSite senior Swicon Group is…

Business Analyst (Claims)

Hybrid2026.08.26.
HUN Budapest hybrid medior Our partner provides…

Swicon Stories

Real people. Real challenges. Real impact.

„The whole hiring process was a really positive experience for me. I was given the opportunity to move forward professionally and to test myself in a new, more senior role. I was trusted from the start, and I had all the support I needed to take the next step in my career with confidence. They connected me with the right technical contact, and every question I had was answered quickly and clearly, so I never felt left on my own. Communication was smooth, each step built on the one before, and the whole process moved surprisingly fast and without a hitch.”

K. R. – Solution Architect

“Looking back over more than 15 years, Swicon gets top marks from me: it has built itself into a fast-growing multinational, and all the while it has backed its people professionally across the board — it even supported my PMP certification with a proper training course.”

B. T. – Sr. Projectmanager

“I’ve been working with SWICON for almost a year and a half now, and it’s been a positive experience from start to finish. Both the hiring process and the admin side of things ran smoothly, and whenever I had a question, help came quickly. I particularly appreciate how kind and helpful my colleagues are, and the fact that the company genuinely invests in building a community — there are regular programmes and events.
I’ve grown a lot professionally in my time here, too. My tasks and my responsibilities have kept widening, I’ve been able to take on more complex challenges, and I’ve also had the chance to support and mentor others. On the IT side I’ve been given opportunities that made a real difference to where I am professionally, so on the whole I see SWICON as a supportive place that gives you genuine room to grow.”

M. L. – Software developer

Powering mission – critical operations across Europe

200+

successful transformation programs

$1.5B

business value created

50M

secure transactions every month

20+

years of enterprise expertise

450+

senior experts

Trusted by enterprise leaders across the world

ROU Bucharest remote senior Swicon Group is one of the leading members of the IT arena for almost a decade, since 2017 present also in Romania. Our wide range of services and highly trained professionals give us the opportunity to shape our solutions to fully meet the ideas and wishes of our clients. We are proud to have leading banks, insurance and telecommunication companies, as well as large FMCG corporations and SSCs amongst our highly prestigious partners. As a Senior Frontend Engineer, you will play a key role in developing and optimizing modern web applications using Next.js, ensuring high performance, scalability, and maintainability. Your work will span both client-side and server-side development, leveraging server-side rendering (SSR), static site generation (SSG), and API routes while also focusing on delivering seamless, interactive user experiences. You will be responsible for making technical decisions related to the frontend architecture, optimizing data fetching strategies, and ensuring efficient state management. Collaborating closely with backend developers, UX/UI designers, and product managers, you will contribute to building robust, user-friendly, and performant applications. We know this is a challenging role, but you won’t be navigating it alone—our experienced technical team will support you, and the company’s structured processes will provide a solid foundation for overcoming obstacles. As a Senior Frontend Engineer, you will play a key role in developing and optimizing modern web applications using Next.js, ensuring high performance, scalability, and maintainability. Your work will span both client-side and server-side development, leveraging server-side rendering (SSR), static site generation (SSG), and API routes while also focusing on delivering seamless, interactive user experiences. You will be responsible for making technical decisions related to the frontend architecture, optimizing data fetching strategies, and ensuring efficient state management. Collaborating closely with backend developers, UX/UI designers, and product managers, you will contribute to building robust, user-friendly, and performant applications. We know this is a challenging role, but you won’t be navigating it alone—our experienced technical team will support you, and the company’s structured processes will provide a solid foundation for overcoming obstacles. Frontend & UI Development●      CSS-in-JS / Styling – Tailwind CSS, Styled Components or CSS Modules●      State Management – Redux, Zustand, Recoil, or Context API●      Component Libraries – shadcn/ui, Material-UI, or custom component design Server-Side & API Integration●      Next.js API Routes & Middleware – Experience building server-side logic●      RESTful APIs & GraphQL – Integration with backend services●      Authentication & Authorization – OAuth, JWT, NextAuth.js Performance & Optimization●      Code Splitting & Lazy Loading – Optimizing performance in Next.js●      SEO & Core Web Vitals – Strong understanding of optimizing for search engines●      Caching & Data Fetching – React Query, Server Actions/Functions Tooling & DevOps●      Git & CI/CD – Proficiency with GitLab CI/CD, or similar tools●      Package Managers – npm or pnpm●      Containerization & Deployment – Experience with Docker, K8s Soft Skills & Mindset●      Leadership & Mentorship – Ability to guide junior developers●      Code Quality & Best Practices – Writing clean, maintainable, and scalable code●      Problem-Solving & Critical Thinking – Tackling complex technical challenges●      Collaboration & Communication – Working effectively with cross-functional teams Excellent learning opportunities! Variety in your work and a fantastic, informal work atmosphere. A challenging environment that will stimulate you to grow as a professional! A great foundation for your career! Grow with us! Your role will develop over time, so you can increase your experience and responsibilities. So, you can advance faster and further in your future career. A friendly and welcoming work environment with an international working atmosphere where you can practice and learn new language skills with a diverse mix of colleagues and clients. A dynamic work environment with a culture that is open, innovative, and performance orientated.  Salary: 14000 RON NET