Kast is hiring a
Web3 Associate Technical Lead - Fullstack

Compensation: $87k - $150k estimated

Location: Colombo, Sri Lanka


The Associate Technical Lead - Fullstack plays a key role in building and scaling KAST. This is a high-ownership position where you’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. You’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 you’re excited about working at the intersection of technology, execution, and impact, you’ll feel right at home at KAST.


Department
Engineering
Employment Type
Full Time
Location
Colombo
Workplace type
Hybrid

Responsibilities

● Design and develop high-performance back-end and front-end
components using Go, React, Next.js or Python.
● Drive the development of scalable systems, ensuring best practices in
software architecture and code quality across the stack.
● Build and maintain robust RESTful APIs and microservices, integrating
seamlessly with third-party financial and Web3 services.
● Obsess over application speed, smooth user interactions, and
system reliability to support our rapidly growing user base.
● Collaborate on deploying and scaling applications via AWS, while helping
maintain CI/CD pipelines to keep our deployment velocity high.
● Work closely with UI/UX designers and product managers to turn
wireframes and user requirements into production-ready 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, Node.js or Python. Experience with Go is a
significant 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.
● Strong skills in both relational (PostgreSQL, MySQL) and NoSQL
(MongoDB) databases.
● 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. We’ve scaled from zero to nearly a million users at ridiculous speed.
Apply Now

Our Hiring Process

Stage 1:

First Technical Interview

Stage 2:

Secomd Technical Interview

Find out more

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Apply Now:

Compensation: $87k - $150k estimated

Location: Colombo, Sri Lanka


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