Role highlights
Full Time
Permanent
Senior
Flexible
The Senior React Developer role requires over 5 years of experience in building production-grade web applications, with a strong focus on front-end technologies. Key technical skills include advanced proficiency in React and TypeScript, alongside solid expertise in JavaScript (ES6+), HTML5, and CSS3. Candidates must have a deep understanding of state management solutions such as Redux or Zustand, and experience integrating APIs using REST or GraphQL. Familiarity with modern build tools like Vite or Webpack is essential for optimizing performance and scalability. The role emphasizes writing clean, testable, and reusable code following best practices, as well as improving front-end architecture and developer experience. Version control expertise using Git and testing skills are also required. Additional desirable skills include experience with Next.js, Storybook, component libraries, micro-frontends, and CI/CD pipelines. Strong communication skills in English and the ability to collaborate effectively with cross-functional teams—including designers, backend engineers, and product managers—are critical. The position offers the opportunity to work on a modern SaaS platform in the fintech space, focusing on customer onboarding solutions that unify identity verification, financial data collection, and compliance workflows. The ideal candidate is passionate about clean code, elegant user interfaces, performance optimization, accessibility, and scalable front-end architectures, with a proactive approach to sharing knowledge and contributing ideas within a collaborative environment.
About the role
Senior React Developer
Role Summary
Join Uniify as a Senior React Developer and help shape the next generation of our onboarding platform. You'll build intuitive, scalable, and high-performance front-end experiences that delight customers and set new industry standards. This role is ideal for someone who enjoys solving complex challenges, writing clean code, and collaborating with cross-functional teams.
Responsibilities
- Develop new features and components in React and TypeScript
- Collaborate with designers, backend engineers, and product managers to build great user experiences
- Optimize the application for performance, scalability, and maintainability
- Improve front-end architecture and developer experience
- Write clean, testable, and reusable code following best practices
- Contribute ideas and share knowledge with peers in a collaborative environment
Requirements
- 5+ years of experience building production-grade web applications
- Strong skills in React, TypeScript, JavaScript (ES6+), HTML5, and CSS3
- Solid understanding of state management (e.g. Redux, Zustand or similar)
- Experience with API integrations and REST/GraphQL
- Familiarity with modern build tools such as Vite or Webpack
- Attention to performance, accessibility, and user experience
- Excellent communication skills in English
- Excellent problem-solving and communication skills
- Version control experience (Git) and testing skills
Nice to Have
- Experience with Next.js, Storybook, or component libraries
- Experience with micro-frontends and CI/CD
Benefits
- Work on a modern, high-impact SaaS product used by leading financial innovators
- Join a talented and friendly team where your contributions truly matter
- Enjoy flexibility with a remote-first culture and ownership of your work
- Competitive compensation and benefits
- Opportunity to grow your skills in a scaling tech company
About Uniify
At Uniify.io, we are building the future of customer onboarding. Our platform helps fintechs, banks, and financial institutions onboard customers faster, smarter, and more securely by unifying identity verification, financial data collection, and compliance workflows into one seamless experience. We are a fast-growing SaaS company backed by leading investors and trusted by innovative financial companies across Europe. If you are passionate about clean code, elegant interfaces, and scalable front-end architectures, and want to help shape the future of digital onboarding, we would love to hear from you.
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- Location
- København
- Employees
- 11-50 employees
- Website
- uniify.io