Fullstack Engineer

Job not on LinkedIn

🕒 May 18

🏄 California – Remote

🏄 California – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

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decircle

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2019

📣 Marketing

📦 Logistics

💼 Consulting

Marketing • Logistics • Consulting

Decircle is a talent partner specializing in staffing and recruiting for decentralized organizations and projects related to Web3. As a boutique recruitment agency, Decircle focuses on identifying and attracting talent in the blockchain and Web3 sectors, fostering connections within the community of decentralization enthusiasts and guiding them in finding their roles in the evolving decentralized landscape.

📋 Description

• Design and build backend services connecting custody, fiat rails, policies, and operational workflows • Implement and maintain APIs and services for ACH, wires, cards, permissions, AML/compliance workflows, and reporting • Implement and review Solidity smart contracts, focusing on correctness, safety, and upgradeability • Contribute to threat modeling, security reviews, and audit/vendor management • Collaborate on the design and implementation of customer-facing applications (currently Dart/Flutter) • Own parts of audit/security review processes for your areas of the stack • Coordinate with external security firms

🎯 Requirements

• Strong background as a backend or full-stack engineer, ideally in early-stage fintech (Plaid, Brex, Ramp, modern neobanks) • Experience with crypto infrastructure, wallets, or stablecoin projects • Proficiency in Solidity smart contracts or a willingness to contribute to security-critical logic • Familiarity with APIs, integrations, and operational workflows (ACH, wires, cards, permissions, AML/compliance) • Ability to collaborate on frontend/product work is a plus (Dart/Flutter experience beneficial) • Strong understanding of security best practices for handling customer funds • Excellent problem-solving, attention to detail, and autonomy in early-stage environments

🏖️ Benefits

• Remote work • Flexibility to work from anywhere • Collaborative team environment