Senior Frontend Engineer (Next.js)

Scale3c

Vilnius, Vilniaus, Lithuania Hybrid internship

Posted: March 24, 2026

Required Skills

Job Description

At Scale Tech (Award Winning Development Agency), we are partnering with a Scandinavian cyber security company specializing in mobile application security to find an experienced Senior Frontend Developer (Next.js) for a fully remote freelance opportunity.

Contract - Freelance (Full-time)

Working Method - Full remote

Contract Length - Long-term.

Position hourly rate range - 30-40 EUR/Hour

What you’ll do::
• Own and deliver frontend features end-to-end in a separate agile stream within a shared repository

• Build scalable, reusable, and maintainable UI components

• Contribute to architecture decisions and continuously improve code quality and structure

• Collaborate with Product and Design to align on requirements and deliverables

• Ensure high-quality output through testing, debugging, and performance optimization

• Proactively unblock yourself and drive work forward independently

Must have::
• Strong experience with Next.js and TypeScript

• Solid fundamentals in HTML, SCSS, and modern React

• Experience with CI/CD pipelines

• Strong understanding of software architecture, design patterns, and best practices

• Excellent written and verbal communication skills

• Ability to work independently in a fast-paced, evolving environment

Nice to have::
• Experience with design systems and building reusable component libraries

• Knowledge of WCAG (accessibility standards)

• Experience working in a monorepo setup

• Familiarity with React Server Actions

• Experience with Google Cloud (GCP)

• Ability to lead technical discussions and balance technical vs business trade-offs

What matters the most::
You’re someone who can take ownership, work independently, and move things forward - while still being a strong team player when needed.

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