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AIX21

Medior Frontend Developer

AIX21
Netherlands · Full-time · Mid-Senior

Medior Frontend Developer – Amsterdam Area (hybrid or remote)


About the Role

We are looking for a proactive Frontend Developer to join a growing team in the FinTech and blockchain sector. You will work with the latest ReactJS and modern front-end technologies to build platforms for the next generation of finance. This role is ideal for someone who can work independently, enjoys collaborating with others, and is eager to learn and grow.


Responsibilities

  • Design, develop, test, deploy, maintain, and improve software.
  • Work effectively in an agile environment.
  • Participate in decision-making for front-end applications and design.
  • Manage individual responsibilities, deadlines, and deliverables.
  • Contribute to growth by sharing lessons learned from successes and failures.
  • Safeguard code quality during reviews with scalability in mind.
  • Ensure test coverage as part of a team effort.
  • Translate business needs into actionable feedback.


Requirements

  • 3+ years of experience building web applications with a modern frontend library (preferably React).
  • Strong HTML/CSS3 skills and knowledge of best practices.
  • Proficiency in modern JavaScript and functional programming.
  • Ability to diagnose issues inside and outside the codebase.
  • Experience with Jest or similar testing libraries.
  • Familiarity with CI/CD and DevOps principles.
  • Ability to turn UI designs into pixel-perfect components.
  • Experience with agile methodologies.
  • Comfortable working in a dynamic, fast-paced environment.


Nice to Have

  • Ability to challenge product and design decisions constructively.
  • Experience with React-Native.
  • AWS experience.
  • E2E testing experience (Cypress, Selenium).
  • Understanding of cryptocurrency concepts, especially transactions and wallets.
  • Experience with SASS or styled-components.


Details

  • Role: Medior Frontend Developer
  • Location: Amsterdam area (hybrid/remote possible)
  • Type: Full-time
  • Salary: €60.000 – €80.000 per year
  • Visa Sponsorship

Key Skills

Ranked by relevance

cryptocurrency javascript blockchain reactjs devops react sass cicd ui
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Posted
Aug 14, 2025
Type
Full-time
Level
Mid-Senior
Location
Amsterdam Area
Company
AIX21

Industries

IT Services IT Consulting Financial Services Technology Information Media

Categories

Engineering Product Management Information Technology

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