Role in brief
Kast is building a stablecoin-based banking platform and seeks an Engineering Lead to drive DeFi product development. This role involves owning the DeFi architecture, building financial products, and leading a growing engineering team. It suits experienced backend engineers with a strong background in blockchain integrations and DeFi protocols, who are ready to lead technical execution and mentorship.
About the role
This Engineering Lead role at Kast focuses on developing DeFi products for a stablecoin-centric banking platform. The work involves designing and implementing core DeFi architecture across backend services and blockchain integrations. Key responsibilities include building lending, borrowing, and yield generation products, as well as securing blockchain interactions through wallet infrastructure and custody integrations.
The role also entails developing backend systems for transaction management and coordinating on-chain and off-chain activities. A significant part of the position is leading engineering execution, which means defining architectural standards, reviewing code, and ensuring the reliability, scalability, and security of these systems. The successful candidate will also contribute to hiring and mentoring new engineers, establishing technical standards for the team.
Success in this position means delivering high-quality, user-facing financial products by collaborating closely with product and design teams. The goal is to simplify complex financial processes for users, contributing to Kast's mission of redefining banking with stablecoins and expanding its user base.
The annual salary for this role is between $175,000 and $250,000 USD.
Skills that matter here
- Go: This role requires strong backend engineering experience, with Go being one of the preferred languages for building production systems.
- Python: Python is another key backend language for developing production systems and integrating with blockchain networks.
- Node.js: Experience with Node.js is valuable for backend development, contributing to the integration of DeFi products.
- Solana: Familiarity with Solana is required for integrating with blockchain networks and building DeFi products.
- EVM: Knowledge of EVM-compatible chains is essential for designing secure blockchain interactions and integrating various protocols.
- AWS: Experience with cloud-based systems like AWS is needed for building or operating the infrastructure that supports Kast's DeFi products.
Who this role suits
- A person with at least eight years of software engineering experience, including leading technical projects or teams.
- Someone with a deep understanding of DeFi systems, including lending/borrowing protocols and risk mechanics.
- An individual who excels at defining architecture, reviewing code, and ensuring system reliability, scalability, and security.
- A leader who can mentor engineers and establish strong technical standards within a fast-moving environment.
From the employer
- Own the DeFi architecture across backend services, blockchain integrations, and supporting systems.
- Build and integrate DeFi products including lending, borrowing, yield, and liquidity strategies.
- Design secure blockchain interactions, including wallet infrastructure, signing flows, and custody integrations.
- Develop backend systems for transaction management, protocol integrations, and onchain/offchain coordination.
- Lead engineering execution — define architecture, review code, and ensure systems remain reliable, scalable, and secure.
- Hire and mentor engineers as the team grows, establishing strong technical standards.
- Collaborate closely with product and design to deliver high-quality user-facing financial products.
- 8+ years of software engineering experience, with experience leading technical projects or teams.
- Strong backend engineering experience in one or more of the following: Go, Python, or Node.js.
- Experience building production systems that integrate with blockchain networks.
- Familiarity with Solana and/or EVM-compatible chains.
- Strong understanding of DeFi systems, including lending/borrowing protocols, swaps, liquidity aggregation, and yield strategies.
- Knowledge of DeFi risk mechanics such as collateral management, liquidations, staking, and yield generation.
- Experience designing APIs, distributed services, and database-backed systems.
- Experience building or operating cloud-based systems (AWS or similar).
- Strong communication skills and ability to drive engineering execution in a fast-moving environment.
Questions about this role
What is the remote work policy for this role?
This is a fully remote position.
What level of seniority is expected for this position?
This is a lead-level role, requiring significant experience in software engineering and technical leadership.
What is the salary range for this position?
The salary for this role ranges from $175,000 to $250,000 USD annually.
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