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Senior Frontend Developer

  • On-site, Hybrid
    • Amsterdam, Noord-Holland, Netherlands
  • Engineering

Job description

Do you get excited with the idea of creating eye-catching UI screens and gamification-focused components? Can you leverage cutting-edge technologies to experiment with our product, make it look like an eye candy, and keep our codebase continuously improving? Then don’t wait another minute to apply!


In a nutshell

  • Hop on a journey with an exciting fast-growing SaaS company in an international environment (steep learning curve is guaranteed). 

  • Secure an impactful role with lots of growth potential for yourself. 

  • Spearhead innovative quality initiatives on the intersection of AI, customer support, and automated compliance.

  • Join a team of diverse and passionate people with a culture that empowers great work (15 ninjas & 11 nationalities). 

  • Enjoy a lot of perks: Flexible working hours & unlimited holiday policy, attractive office in Amsterdam, visa sponsorship, mentorship program, own laptop & home equipment, team events & games... (and more!).


🧑‍💻 What are we doing?

At Kaizo, we're revolutionizing the daily work experience for customer support teams through our performance development and compliance platform. We combine cutting-edge AI technologies with gamification to create a dynamic ecosystem that guides employees to achieve their goals and make a lasting impact on their organizations.

  • AI-Powered Engagement: We leverage advanced AI to improve operational efficiency, enhance team performance, and provide unparalleled performance visibility.

  • Stream Processing Excellence: Our microservices-based platform processes over 200 million events daily using technologies like Akka Streams and Kafka.

  • Developing the Future: We're at the forefront of developing scalable, affordable, and interpretable AI systems that redefine compliance monitoring.


🗓️ What are your 12 labours here?

  • Develop and Maintain Scalable Architecture: Design and implement robust, modular, and reusable front-end components using modern frameworks that support rapid product iteration.

  • Ensure High Code Quality: Write clean, maintainable, and testable code; enforce coding standards and conduct regular reviews to maintain a high-quality codebase.

  • Spearhead Front-End Best Practices and Innovation: Define and promote coding standards, modern development methodologies, and innovative approaches to front-end challenges—ensuring a state-of-the-art, maintainable codebase.

  • Integrate Seamlessly with Back-End Services: Collaborate on API design and integration, ensuring efficient communication between the front-end and back-end systems.

  • Ensure Cross-Browser and Cross-Device Compatibility: Build responsive and accessible interfaces that deliver a consistent experience across multiple devices and browsers.

  • Collaborate with Cross-Functional Teams: Work closely with product managers, designers, and back-end developers to translate business requirements into engaging and efficient user interfaces.

  • Optimize Application Performance: Identify and address performance bottlenecks, ensuring fast load times and smooth interactions through optimization techniques and best practices.

  • Stay Updated with Industry Trends: Continuously research and integrate emerging technologies, frameworks, and methodologies to keep the product competitive and innovative.

  • Drive UI/UX Innovation: Transform design mockups into interactive, intuitive, and responsive interfaces while advocating for user-centric design improvements.

  • Architect and Streamline CI/CD and Automation Workflows: Design and implement automated build, testing, and deployment pipelines to accelerate release cycles and ensure code reliability.

  • Participate in Agile Development Processes: Engage actively in sprint planning, stand-ups, and retrospectives, adapting to fast-paced changes and iterative development cycles.

  • Contribute to Product Strategy: Provide technical insights and strategic input during product planning, helping to shape the roadmap and prioritize features in a dynamic startup setting.

Job requirements

🧑‍💻 What you bring to the table?

  • 4+ years building complex front-end applications with JavaScript (TypeScript) and React.

  • Deep understanding of ES6+ and the modern JavaScript ecosystem.

  • Extensive experience with state management patterns (Redux, React Context) in large-scale applications.

  • Expert-level proficiency in CSS, preprocessors, and modern styling techniques.

  • Strong command of web performance optimization and best practices.

  • Solid understanding of RESTful APIs and asynchronous data handling.

  • Proven ownership with the ability to drive feature development end-to-end.

  • User-centered design mindset.

  • Experience in Seed/Series A startups is a significant plus.

  • 2+ years collaborating with cross-functional teams, including UX and Product Managers


🏆 What's in it for you?


  • An office right in the heart of Amsterdam

  • Great office gear: MacBook, tools, desks, chair — there's something for everyone

  • Flexible schedule, remote work (within the EU time zone) whenever needed

  • Fun workations & open holiday policy

  • Having impact on the whole product development cycle

  • Chance to work on cutting-edge AI and stream processing technologies



To apply, please submit your resume. We're excited to hear from you!

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