Senior Frontend Developer

Connect Digital; Lisboa; Hybrid; EUR 26,000 - 31,000; Full time

Benefits offered by this job

Flexible benefits package

Extra day off on your birthday

One additional day off on 24 December

Job summary

Connect Digital in Lisbon is seeking an experienced Senior Frontend Developer to join a technology project. The role is hybrid in Lisbon, requiring strong expertise in ReactJS and Next.js to design scalable, maintainable web applications.

You will contribute across frontend development, architecture, API integration, performance, and documentation, collaborating with cross-functional teams while upholding high standards of code quality and user experience.

Qualifications

• 5+ years of professional frontend experience.
• Strong ReactJS and Next.js expertise.
• Experience designing scalable frontend architectures.
• Solid REST API integration experience.
• Familiarity with DevOps and CI/CD pipelines.
• Proficient in Git and version control.
• English at least B2 level.
• Ability to document technical details with Confluence.

Responsibilities

• Develop, maintain, and optimise modern web applications using ReactJS and Next.js.
• Collaborate with cross-functional teams to deliver high-quality digital products.
• Contribute to frontend architectural decisions and scalable solutions.
• Integrate and consume REST APIs efficiently.
• Support CI/CD processes and improve development practices.
• Work with GitHub workflows and GitHub Actions.
• Produce and maintain clear technical documentation.
• Troubleshoot frontend issues and identify solutions.
• Propose improvements across architecture, performance, and maintainability.
• Apply software engineering best practices for quality across devices.

Skills

ReactJS

Next.js

REST APIs

Git

CI/CD

English B2

Frontend Architecture

Documentation

Tools

Node.js

npm

yarn

GitHub Actions

Confluence

Job description

We are looking for an experienced Senior Frontend Developer to join a technology project in Lisbon.

This is a hybrid role based in Lisbon, suited to professionals with strong expertise in ReactJS and Next.js and solid experience designing scalable, maintainable web applications. You will contribute across frontend development, architecture, API integration, performance, documentation, and modern delivery practices.

The role requires strong technical foundations, autonomy, and the ability to collaborate effectively with cross-functional teams while maintaining a high standard of code quality and user experience.

5+ years

Full Time Hybrid

Lisbon (Portugal)

Salary Range*

Job No. 936

Key Responsibilities

• Develop, maintain, and optimise modern web applications using ReactJS and Next.js.
• Collaborate with cross-functional teams to deliver high-quality digital products.
• Contribute to frontend architectural decisions and the design of scalable, maintainable solutions.
• Integrate and consume REST APIs efficiently.
• Support CI/CD processes and contribute to improvements in development and delivery practices.
• Work with GitHub workflows and GitHub Actions as part of the development lifecycle.
• Produce and maintain clear technical documentation.
• Troubleshoot frontend issues and identify appropriate technical solutions.
• Proactively propose improvements across architecture, performance, maintainability, and development practices.
• Apply software engineering best practices to maintain consistent code quality and reliable user experiences across devices.

Knowledge, Skills and Experience

• 5+ years of professional experience working with modern frontend technologies.
• Strong experience developing and maintaining applications using ReactJS and Next.js.
• Experience designing scalable web architectures and frontend components.
• Solid understanding of REST APIs and frontend integration.
• Experience with Node.js and package managers such as npm and yarn.
• Familiarity with DevOps practices and CI/CD pipelines.
• Experience working with GitHub workflows and GitHub Actions.
• Strong command of Git for version control.
• Experience producing and maintaining technical documentation using tools such as Confluence.
• Strong problem-solving and troubleshooting capabilities.
• Strong communication and collaboration skills.
• High attention to detail and a proactive approach to identifying and resolving issues.
• Ability to adapt quickly to new technologies and continuously develop technical knowledge.
• English proficiency at B2 level or above.

Nice to Have

• Experience with Azure or other cloud platforms.
• Knowledge of GraphQL.
• Experience with Headless CMS platforms such as Contentful, Strapi, Sanity, or Prismic.
• Experience optimising web performance, particularly Core Web Vitals.

Salary & Benefits

• Gross annual salary: €26,000–€31,000, depending on experience and suitability for the role.
• Flexible benefits package.
• Extra day off on your birthday.
• One additional day off on either 24 December or 31 December.

*Salary ranges shown are indicative. Final compensation is determined by experience, seniority, profile fit, and the scope of responsibilities involved.