Senior Frontend Engineer - Freelance (React/TypeScript)

Location: Barcelona, Passeig de Gràcia, Spain — hybrid

Company

hirify.global provides an all-in-one software platform for boutique fitness studios, covering bookings, payroll, marketing, onboarding, and operational workflows.

What you will do

• Build a wizard-style onboarding form for new customers.
• Develop self-onboarding flows that reduce dependency on the back office.
• Extend self-serve data migration capabilities.
• Contribute to the self-serve app release experience.
• Implement designs with the internal design system and maintain a consistent user experience.
• Collaborate with the Ops Engineering team to deliver reliable features quickly.

Requirements

• Strong experience building frontend applications with React and TypeScript.
• Solid experience with Redux.
• Ability to become productive quickly in an existing codebase and work autonomously.
• Strong delivery mindset and ability to move quickly without compromising code quality.
• Good understanding of product requirements and ability to translate designs into maintainable interfaces.
• Strong written communication skills in English.

Nice to have

• Experience building complex or multi-step user flows.
• Experience working with an existing design system.
• Previous experience in a startup or scale-up environment.

Culture & Benefits

• Short-term freelance mission with possible extension depending on team needs.
• Direct impact on customer onboarding and operational efficiency.
• Modern React and TypeScript stack.
• High-growth environment with ownership and strong engineering standards.
• Inclusive workplace committed to diversity and equal contribution.