Senior Front-End Software Engineer (React / Next.js)

Avenga; Polska; On-site; PLN 180,000 - 240,000; Full time

Job summary

Avenga is seeking a Senior Front-End Software Engineer to drive a large-scale digital transformation in telecommunications. You will implement modern web apps using React, TypeScript, and Next.js, translating Figma designs into high-quality production code.

You will help shape scalable frontend architecture, improve UX, and contribute to enterprise-grade products used at scale. Strong English and experience with Agile/Scrum are required.

Qualifications

• 5+ years commercial software engineering experience.
• Strong React.
• TypeScript.
• Next.js.
• Experience building responsive and accessible web applications.
• Experience translating Figma designs into production-ready UI.
• Experience with REST APIs.
• Docker.
• Agile/Scrum.
• Fluent English.

Responsibilities

• Design and develop modern web applications using React, Next.js, and TypeScript.
• Build reusable, scalable, and maintainable frontend components.
• Collaborate closely with UX Designers to deliver high-quality user experiences.
• Integrate frontend applications with backend services and enterprise APIs.
• Improve application performance, accessibility, and overall user experience.
• Participate in architecture discussions, code reviews, and technical decision-making.
• Contribute to engineering best practices, testing, and continuous improvement initiatives.

Skills

React

TypeScript

Next.js

REST APIs

Docker

Agile/Scrum

English

Tools

Figma translation

UI accessibility

Frontend architecture

Job description

This is us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.

This is the job

Join us as a Senior Front-End Software Engineer and become part of a large-scale digital transformation in the telecommunications industry.

In this role, you'll build modern, responsive, and accessible web applications using React, TypeScript, and Next.js, transforming Figma designs into high-quality production solutions. You’ll help shape scalable frontend architecture, improve user experience, and contribute to enterprise-grade products used at scale.

This is you

• 5+ years commercial software engineering experience

• Strong React

• TypeScript

• Next.js

• Experience building responsive and accessible web applications

• Experience translating Figma designs into production-ready UI

• Experience with REST APIs

• Docker

• Agile/Scrum

• Fluent English

Nice-to-have skills:

• Experience with AWS cloud services

• Infrastructure as Code (Terraform)

• Experience building enterprise-scale applications

• Experience integrating with third-party APIs, CRM or headless CMS platforms

• Experience in the telecommunications domain

• Polish language skills

This is your role

• Design and develop modern web applications using React, Next.js, and TypeScript

• Build reusable, scalable, and maintainable frontend components

• Collaborate closely with UX Designers to deliver high-quality user experiences

• Integrate frontend applications with backend services and enterprise APIs

• Improve application performance, accessibility, and overall user experience

• Participate in architecture discussions, code reviews, and technical decision-making

• Contribute to engineering best practices, testing, and continuous improvement initiatives

What awaits you at Avenga?

At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.