Founding Engineer

Sugar is seeking a Founding Engineer to make foundational architecture decisions, ship secure and scalable production systems, build financial and crypto infrastructure integrations, and help shape the technical roadmap and future engineering team.

Responsibilities

• Design, build, and operate Sugar’s core systems using TypeScript and JavaScript.
• Establish engineering standards and best practices across the codebase.
• Take products from concept through architecture, implementation, and production.
• Build integrations with financial, banking, payments, and crypto infrastructure.
• Develop systems handling sensitive financial data and business-critical transactions.
• Translate commercial and customer requirements into product with the founders.
• Shape the technical roadmap and help grow the engineering team.
• Move quickly while maintaining strong standards for financial infrastructure.

Requirements

• At least five years of professional software engineering experience.
• Strong recent experience building and operating production systems with TypeScript and JavaScript.
• Meaningful professional experience in both crypto and fintech environments.
• Experience at venture-backed companies between Seed and Series C.
• Strong backend or full-stack fundamentals, including API design, integrations, and data modelling.
• Experience owning technically complex products from architecture through production.
• Sound judgment around security, reliability, and data integrity.
• High agency and comfort working without extensive process, documentation, or management layers.
• A product-minded approach and ability to balance speed with engineering discipline.
• Experience with credit, lending, payments, banking, treasury, ledgers, reconciliation, transaction processing, stablecoins, wallets, custody, on-chain payments, risk, underwriting, fraud, identity, or compliance systems is useful.
• Experience building an early-stage product or engineering function, or hiring, mentoring, or leading engineers, is useful.