Technical Lead Fullstack

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The 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.

Application Deadline June 30, 2026 Department Engineering Employment Type Full Time Location Colombo Workplace type Hybrid

Responsibilities

• Define and own the technical vision and architecture for multiple services or an entire product domain.
• Lead a team of 5–10 engineers, providing technical direction, mentorship, and career development support.
• Architect complex distributed systems ensuring scalability, fault tolerance, and high availability using Go, Node.js, Python, and modern front-end technologies.
• Make critical technology decisions and establish technical standards across the team and adjacent teams.
• Design system-wide solutions for performance, security, and reliability at scale.
• Drive cloud infrastructure strategy on AWS or GCP, optimizing for cost, performance, and operational excellence.
• Own incident management processes, establish SLOs/SLIs, and drive reliability improvements.
• Partner with product leadership to shape product strategy through technical feasibility and innovation.
• Lead cross-functional initiatives spanning multiple teams and services.
• Establish and evolve engineering processes, development workflows, and quality gates.
• Drive adoption of new technologies, frameworks, and methodologies that improve team velocity and code quality.
• Represent engineering in stakeholder discussions, providing technical assessments and trade-off analyses.
• Lead technical hiring, including defining job requirements, interview processes, and evaluation criteria.
• Manage technical debt strategically, balancing feature delivery with long-term system health.
• Foster a culture of engineering excellence, continuous learning, and innovation within the team.

Qualifications & Skills

• 8–10 years of experience in full-stack development with 2+ years in a technical leadership role managing teams of 5+ engineers.
• Expert-level proficiency in multiple backend technologies (Go, Python, Java) with deep expertise in at least one.
• Strong full-stack capabilities including modern front-end frameworks (React.js, Next.js).
• Experience in blockchain development, smart contracts, DApps, and Web3 technologies is highly valued.
• Extensive expertise with cloud platforms (AWS, GCP), including architecture design, cost optimization, and multi-region deployments.
• Expert-level understanding of distributed systems, microservices patterns, event-driven architecture, and system design at scale.
• Deep experience with database architecture, sharding, replication, and performance optimization across SQL and NoSQL systems.
• Proven track record in establishing CI/CD best practices, release engineering, and deployment strategies (blue-green, canary, feature flags).
• Demonstrated ability to lead, grow, and retain engineering talent.
• Expert knowledge of security architecture, compliance requirements, and secure development lifecycle.
• Strong experience driving Agile transformation and optimizing team delivery processes.
• Track record of making sound technical decisions with long-term organizational impact.

Bonus Skills:

• Experience leading AI/ML initiatives and integrating AI-first development into team workflows.
• Deep Web3 and blockchain architecture experience.
• Experience with multi-cloud or hybrid cloud strategies.
• Expertise in GraphQL federation and API gateway patterns.
• Advanced infrastructure-as-code experience with GitOps workflows.
• Experience building and operating observability platforms at scale.

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.

Our Hiring Process

Stage 1:First Technical Interview

Stage 2:Secomd Technical Interview

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Kast

Compensation: $87k - $150k estimated

Location: Colombo, Sri Lanka

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Colombo, Sri Lanka

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