Crypto Jobs at Kast

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Job Position and Company Posted Location Salary Tags

$87k - $150k

$98k - $150k

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$91k - $150k

$140k - $144k

$98k - $150k

$87k - $150k

$126k - $171k

$87k - $150k

$98k - $150k

$87k - $150k

$126k - $180k

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$63k - $110k

$140k - $158k

Kast
$87k - $150k estimated
Colombo, Sri Lanka

The Associate Technical Lead - Web plays a key role in building and scaling KAST. This is a high-ownership position where youโ€™ll take responsibility for meaningful work from day one, collaborate closely with cross-functional teams, and help turn ambitious goals into real-world outcomes.


Your mission is to move fast and raise the bar. Youโ€™ll operate in a dynamic, high-growth environment, navigate ambiguity with confidence, and contribute to systems, products, or processes that scale with the company. Quality matters, speed matters, and ownership is non-negotiable.


This role is for builders, people who take initiative, think in systems, and care deeply about doing great work. If youโ€™re excited about working at the intersection of technology, execution, and impact, youโ€™ll feel right at home at KAST.


Department
Engineering
Employment Type
Full Time
Location
Colombo
Workplace type
Hybrid

Responsibilities

  • Design and develop scalable front-end components using React and Next.js.
  • Drive the development of scalable systems, ensuring best practices in software architecture and code quality across the stack.
  • Design and consume robust RESTful APIs, ensuring seamless data flow between complex frontend states and third-party financial or Web3 services.
  • Obsess over frontend vitals, including lighting-fast load times, smooth user interactions, and efficient client-side state management to support a rapidly growing user base.
  • Collaborate on deploying and scaling Next.js applications via AWS, leveraging workflows to maintain high deployment velocity.
  • Act as the primary technical partner for UI/UX designers, translating high-fidelity wireframes into a scalable, reusable component library and ensuring pixel-perfect production features.
  • Conduct rigorous code reviews and provide technical guidance to junior developers to foster a culture of engineering excellence.
  • Troubleshoot complex technical challenges and ensure smooth operation of applications post-deployment.

Qualifications & Skills

  • Experience: 6+ years of full-stack development experience, with a track record of taking ownership of features from conception to deployment.
  • Proficiency in React, Next.js, and Node.js. Mastery of modern CSS (Tailwind/Styled components) and state management (Zustand/TanStack Query). Experience with Go will be an added advantage.
  • Experience with (or a deep interest in) blockchain, smart contracts, and decentralized applications (DApps).
  • Solid hands-on experience with AWS or GCP (S3, EC2, Lambda, etc.) and an understanding of serverless architectures.
  • Comfort working in a fast-paced environment using Scrum or Kanban methodologies.
  • A natural ability to guide peers, communicate technical trade-offs to non-technical stakeholders, and write clear documentation.

About KAST

KAST is redefining stablecoin banking for global citizens, crypto professionals, Web3-native businesses, and high-inflation markets hungry for USD-backed banking. Backed by top-tier global investors and led by the ex-APAC CEO of Circle, our leadership team spans Circle, Airwallex, Revolut, Wise, Grab, Zoom, AWS, and leading OTC desks. Weโ€™ve scaled from zero to nearly a million users at ridiculous speed.
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Our Hiring Process

Stage 1:

First Technical Interview

Stage 2:

Secomd Technical Interview

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