Senior Backend Engineer jobs in United States
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Ethena Labs · 4 months ago

Senior Backend Engineer

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level

Ethena Labs is at the forefront of DeFi, dedicated to building products for modern finance. As a Senior Backend Engineer, you will contribute to the design, development, and scaling of core products, focusing on backend architecture and integrations to enhance the reliability and performance of services.

BlockchainCryptocurrencyDecentralized Finance (DeFi)EthereumFinanceFinTech

Responsibilities

Strengthen our backend infrastructure and scalability by refactoring and optimizing existing Python-based systems
Develop and maintain robust, secure, and well-documented APIs for asset minting/redeeming and other core functions
Handle a continuous flow of new integration requests, automating where possible to streamline the process
Improve system reliability and security through automated failover, robust error handling, and implementing security features
Collaborate closely with the other members of the product engineering team to deliver new features efficiently and on time
Mentor fellow engineers on backend best practices, including scalable architecture and database management
Drive engineering excellence and automation by establishing modern development processes, including CI/CD pipelines and automated testing
Contribute to ongoing system audits and post-mortems to ensure the platform is future-proofed against growing user and transaction volumes

Qualification

PythonAPI developmentDatabase designDevOpsScalable architectureCI/CDCollaboration skillsMentorship skillsProblem-solvingAdaptability

Required

Deep knowledge of backend development, including building scalable APIs, data pipelines, and integrations
Experience in API development (e.g., REST/GraphQL) with a focus on security, reliability, and ease of extension
Proficiency in database design and optimisation (SQL/NoSQL) for high-performance environments
An understanding of DevOps and infrastructure (AWS/GCP, Docker/Kubernetes, CI/CD)
Experience scaling systems to handle increasing loads, including latency reduction and resource optimization
A proactive and curious problem-solver who can adapt to a fast-paced environment and make data-driven decisions
Strong collaboration and mentorship skills
If not already having an understanding of crypto-native concepts (e.g., asset minting/redeeming, airdrop systems), a desire and willingness to learn it quickly

Benefits

Flexible, remote-friendly work environment
Opportunities for growth and learning

Company

Ethena Labs

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Ethena is a synthetic dollar protocol built on Ethereum that provides a crypto-native solution for money not reliant on traditional banking system infrastructure, alongside a globally accessible dollar denominated rewards instrument - the 'Internet Bond'.
dateFounded in 2023
location
Lisbon, Lisboa, PRT
people-size11-50 employees
web-link
https://www.ethena.fi

Funding

Current Stage
Public Company
Total Funding
$206.82M
Key Investors
MEXC VenturesM2 CapitalYZi Labs
2025-10-01Series Unknown· $30M
2025-09-25Initial Coin Offering· $20M
2025-09-19Series Unknown

Recent News

GlobeNewswire
Safe and Ethena partner to boost USDe on multisig wallets
2026-01-14
Rock'n'Block
Inside Modern Stablecoin Architecture: How Ethena’s USDe Works
2025-10-16
InsideBitcoins.com
BNB Price Prediction As Binance Pays $283M In Compensation To Users Hit By Flash Crash Depegs
2025-10-14
Company data provided by crunchbase