Senior Backend Engineer (Python)

$50m Raised B2B Web3 Platform | 12m Users

My client is a very well-funded and unique crypto platform, we are seeking a Senior Backend Engineer with an expertise in Python and a passion for web3.

They have built a B2B-2C platform that enables any company to build an instant crypto wallet for their clients; enabling them to onboard new users to crypto with built-in fiat on-ramps or NFT checkout, making the process frictionless, secure, and non-custodial. No downloads, no passwords, no seed phrases, and 12 million users (and growing).


  • This is a B2B Tool, an SDK for Wallet and Authentication, and they're working with a lot of big logos right now
  • They just raised a Series B of $50M and have plenty of run-rate
  • $180-220k base salary + equity
  • The team is currently 68 and pushing for 75 this year

What You'll Do:

  • Scale data architectures to power new use cases
  • Build upon the foundation of existing databases, data architectures and data components
  • Scale databases (we run on MySQL) for a fast-growing environment i.e. planning and executing online DDL operations to evolving MySQL schemas for tables with millions of rows powering millions of transactions
  • Design and build backend systems that power the Magic authentication experience while taking into consideration empathy towards our customers, developers, and users
  • Develop internal SLOs and SLIs to drive service reliability and to support external SLAs
  • Collaborate with other engineers to optimize our software engineering processes

What You'll Bring:

  • Work on best-fit data components such as Kafka on Confluent, Amazon Athena with S3 and/or ElastiCache for Redis
  • 4+ years of experience working as a backend and/or infrastructure engineer in a fast-paced complex environment
  • Expert-level experience working with MySQL and Python in production (Go/Node is a plus)
  • Strong foundation in database design, distributed system design and general backend
  • Experience with cloud-hosted data components e.g. AWS RDS, AWS ElastiCache, etc
  • Experience leveraging data architectures and components to scale application backends
  • Production experience in networking and virtual cloud implementation
  • Have used/implemented SDL at your previous workplaces - nice to have
  • Have worked with serverless stack (FaaS) - AWS lambda, etc
  • Expertise working with Kubernetes - Nice to have

On Offer:

  • Base salary from $180-220k
  • Strong series B equity
  • Truly fantastic benefits
  • Full remote
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