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Lead Frontend Engineer

Kunai

Role overview

Qualifications

  • 10+ years of professional front-end development experience
  • Demonstrated experience in a technical leadership or mentorship role
  • Expert-level proficiency in both Angular and React frameworks
  • Strong command of TypeScript and modern JavaScript (ES6+)

Responsibilities

  • Lead the technical design and implementation of major features across multiple frontend platforms
  • Act as the primary technical partner to UX/UI designers
  • Drive architectural decisions for both Angular and React ecosystems
  • Mentor junior and mid-level developers

About the company

Kunai logo

Kunai

IT Services & IT Consulting

Kunai Co. is a team of developers, designers, and product managers building seamless customer experiences that unite digital products with FinTech. Kunai concepts, designs, and develops unique digital products and payment experiences for the world's top companies. Starting in 1999, Kunai helped Cisco Systems prepare for Y2K, and then in 2006, built the world's first touchscreen PC. Later, Kunai designed and developed some of the world's first successful iOS apps. With Capital One’s acquisition in 2015, we focused on fintech and how to build on a massive scale, so a portion of our team rebranded as Kunai and continued to refine our approach to product development. Over 20 years, Kunai shipped over 150 digital products that are trusted by Fortune 500 companies and unicorn startups alike. Kunai's founders, being former bank executives, started the company with the insights of years-long struggles to hire developer talent. As a result, only the top 3% of developers worldwide make it onto a Kunai team. What we do: Technical Staffing: The Kunai Direct Sourcing Platform helps companies to find, vet, interview, and onboard the world’s best developers. Kunai works on a range of technologies and platforms and has deep experience in fintech and leverages industry-leading APIs and practices. Digital product development for fintech: Kunai understands the unique needs of financial services companies. We're a digital product development consultancy focused on fintech. Kunai handles product management, design, development, cloud management, and much more to build your next new idea into a prototype faster. We build long-term relationships with our clients. Our portfolio includes all four major payment networks, four top ten US banks, seven Fortune 500 technology companies, and ten unicorn startups. If you have an idea and need a team that can make it a reality, we should talk.

Company details

Company typeScaleup
IndustryIT Services & IT Consulting
Company size201 - 500

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Job description

Kunai builds full-stack technology solutions for banks, credit and payment networks, infrastructure providers, and their customers. Together, we are changing the world’s relationship with financial services. At Kunai, we help our clients modernize, capitalize on emerging trends, and evolve their business for the coming decades by remaining tech-agnostic and human-centered.

 

Location: US Remote

 

Job Summary

We are seeking an expert Senior Frontend Developer with strong leadership qualities and a keen eye for user experience to join our client's Application Engineering & Platforms group. In this high-impact role, you will guide technical strategy, mentor fellow developers, and architect enterprise-grade web applications using both Angular and React. 

Key Responsibilities

Technical Leadership & Strategy

  • Lead the technical design and implementation of major features across multiple frontend platforms, ensuring alignment with architectural best practices.
  • Act as the primary technical partner to UX/UI designers, translating complex designs into functional, pixel-perfect user interfaces and providing expert feedback on feasibility and user experience.
  • Drive architectural decisions for both Angular and React ecosystems, advocating for best practices and championing the adoption of new technologies.
  • Mentor junior and mid-level developers, fostering a culture of technical excellence through code reviews, pair programming, and knowledge sharing.

Hands-On Development

  • Architect and develop scalable, maintainable applications using modern versions of both Angular and React.
  • Implement robust state management solutions appropriate for each framework (e.g., NgRx, Redux, MobX).
  • Build and maintain Micro-Frontend architectures that may involve multiple frameworks.
  • Collaborate with backend teams to design, consume, and optimize RESTful and GraphQL APIs.
  • Write comprehensive, high-quality tests (unit, integration, E2E) to ensure application stability and maintain >80% code coverage.

Required Qualifications

  • 10+ years of professional front-end development experience, with a proven track record of building complex, large-scale applications.
  • Demonstrated experience in a technical leadership or mentorship role, with the ability to guide project direction and elevate team skills.
  • Expert-level proficiency in both Angular and React frameworks, with a deep understanding of their core principles, performance characteristics, and ecosystems.
  • Strong command of TypeScript and modern JavaScript (ES6+).
  • Strong UX/UI Acumen: A keen eye for visual detail and user experience, with proven ability to translate high-fidelity designs (e.g., from Figma, Sketch) into high-quality, accessible, and functional code.
  • Extensive experience designing and consuming complex RESTful and/or GraphQL APIs.
  • Solid experience with modern testing frameworks and DevOps practices (CI/CD, Docker, Kubernetes/OpenShift).

Nice to Have

  • Experience with data visualization libraries (e.g., AG Grid, D3.js).
  • Background in the financial services or another regulated industry.
  • Experience with other frontend frameworks.

 

 

Our success over the past 20 years is rooted in our exceptional team, which thrives in a culture of collaboration, creativity, and continuous learning. 

We are proud to offer our employees a range of benefits, including competitive compensation, professional development opportunities, and flexible work arrangements, all designed to help them thrive. As we continue to expand, we remain committed to cultivating an environment where people feel valued, have a voice, and are given the tools to grow—both personally and professionally—while pushing the boundaries of innovation in the fintech industry.

 

Minimum Degree Required:

  • Bachelor’s Degree, in lieu of a degree, demonstrating in addition to the minimum years of experience required for the role, three years of specialized training and/or progressively responsible work experience in technology for each missing year of college is required

 

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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