Apply Now

Backend Engineer at OpenToken

San Francisco, San Francisco Bay Area · Full Time

Cryptocurrencies are building the internet of money. We are making the funding of early blockchain projects open and simple. We bring experience from venture capital (Andreessen Horowitz), software engineering (Google,, and crypto ( to reimagine early stage blockchain fundraising.

Apply to OpenToken

Job Description

Our team is based in San Francisco and comes from Andreessen Horowitz, Google,,, Stanford, Caltech, CMU, and Berkeley.

Our investors include Pantera Capital, Refactor Capital, Bain Capital Ventures, Abstract Ventures, Cantos Ventures, and partners from Founders Fund and Google Ventures

Our current application stack includes React, Django/Python, Postgres, and Solidity.

-Create a secure, fault tolerant backend that reliably tracks and sends cryptocurrency transactions
-Write smart contracts that handle traditional financial processing in a robust transaction-oriented environment like Ethereum
-Use industry-standard tools like Postgres, Django, Celery, EC2, and S3
-Automate everything. Make our manual processes easier or remove them entirely with data scrapers, anomaly detection, fast alerts, speculative job execution
-Test and pipeline deployments for five nines uptime and 99.5% < 200ms SLA
-Coordinate external penetration tests and bug bounty programs

-Interest in cryptocurrencies and distributed systems
-Experience with systems engineering (multiple distinct interacting components)

Nice to have
-Experience building crash-only distributed systems
-Experience with Solidity and smart contract development
-Financial engineering experience
-Signal processing

Apply Now

People also viewed

Santa Monica, San Francisco
San Francisco, Toronto
San Francisco, San Francisco Bay Area
San Francisco, Toronto
San Francisco
San Francisco, San Francisco Bay Area
Palo Alto, San Francisco
San Francisco
Redwood City, San Francisco Bay Area

Other Jobs at OpenToken

OpenToken Team

Daniel Chen
Founder/CEO @OpenToken. First engineer @Andreessen Horowitz. @California Institute of Technology Computer Science and Business/Economics
Michael Graczyk
Stanford MS in progress. UT EE and Mathematics degrees, loves to build new things. I would rather work on an unsolvable problem then an uninteresting solution.

OpenToken Investors

Cantos Ventures
Investing in the anthropocene. We back transformative technology in core industries from inception through Seed.