ether.fi Tech Stack

Crypto savings and spending platform with DeFi integrations

Software Development George Town, Grand Cayman 11–50 employees Founded 2022 Privately Held

ether.fi operates a crypto financial services platform built on Solidity and Ethereum, with smart-contract development and DeFi integrations as core technical workstreams. The stack combines on-chain tooling (Foundry, Hardhat, Forge) with consumer-grade infrastructure (AWS, Terraform, Docker) and real-time monitoring systems — a pattern typical of fintech-grade platforms managing high transaction throughput. Pain points center on KYC/AML compliance, retail user onboarding, and credit-card processing reliability, indicating an active push toward regulated, mainstream crypto-to-fiat services.

Tech Stack 43 technologies

Core StackFigma AWS Terraform Docker Intercom Amplitude Python TypeScript Google Ads Solidity Ethereum Foundry Hardhat Forge Dune Liquid GuardDuty AWS Security Hub IAM AWS KMS AWS Secrets Manager AWS WAF API Gateway Notion Discord Telegram SQL Facebook Ads Manager Instagram Ads Twitter Ads+11 more

AdoptingWeb3 WebAuthn

What ether.fi Is Building

◆Challenges

Scaling financial infrastructure
Onboarding next billion users
Reducing contact rate
Boosting retention and virality
Scaling cx operations
Streamlining kyc onboarding for retail users
Ensuring compliance with aml/ctf standards
High availability credit-card processing
Card transaction decline reduction
Transaction throughput and latency improvement

▲Active Projects

Smart contract development on ethereum/l2
Defi integrations
Funnel optimization
Onboarding retail users to ether.fi cash program
Automated drip campaign
Real-time alerting infrastructure
Liquidity analysis tools
Automated monitoring systems
Transaction processing services
Maintain core products

Hiring Activity

Decelerating40 roles · 9 in 30d

Department

Engineering

Support

Legal

Marketing

Design

Finance

Ops

Product

Seniority

Senior

Mid

Junior

Lead

Staff

Manager

Notable leadership hires: Fraud Lead, Growth Lead

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About ether.fi

ether.fi is a fintech platform enabling users to save, grow, and spend cryptocurrency. The company operates a full suite of products, including a crypto savings program and a cash account targeted at retail users, supported by DeFi integrations and smart contracts on Ethereum and Layer 2 networks. The engineering-heavy organizational structure reflects active smart-contract development and infrastructure scaling work. Based in the Cayman Islands with hiring in the United States, the company is navigating both technical scaling (transaction processing, liquidity analysis) and regulatory requirements (KYC, AML/CFT compliance) as it expands retail user onboarding.

HeadquartersGeorge Town, Grand Cayman

Company Size11–50 employees

Founded2022

Hiring MarketsCayman Islands, United States

Frequently Asked Questions

What is ether.fi's tech stack?

Solidity, Ethereum, Foundry, Hardhat, and Forge for smart contracts; AWS, Terraform, Docker, and API Gateway for infrastructure; Dune for analytics; Figma for design; Amplitude for product analytics. Currently adopting Web3 and WebAuthn.

What products is ether.fi building?

A crypto savings program, a cash account for retail users, DeFi integrations, liquidity analysis tools, and automated transaction processing services. Recent focus includes funnel optimization and automated drip campaigns for user onboarding.