Sr. Backend Engineer

B2B FinTech | 12m Users‍

One of the clients we're recruiting for has raised a $27M Series A Crypto startup and is looking to continue building out its engineering team by hiring a Senior Backend Engineer. Here are some more details:


Our client is a well funded crypto start-up that gives companies peace of mind as their apps scale, all with just a few lines of code. Powered by blockchain technology, they help companies outsource authentication and save on headcount for a dedicated security and fraud team.

Company Mission: To safeguard the trust between users and Internet services by establishing a secure, authentic digital identity, while building the passport of the internet.


  • Scale data architectures to power new use cases i.e. evaluating and introducing best-fit data components such as Kafka on Confluent, Amazon Athena with S3 and/or ElastiCache for Redis.
  • Build upon the foundation of existing databases, data architectures and data components to support and enhance the productivity of the entire engineering team.
  • 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 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.

Required Experience:

  • 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
  • Tech Stack: Web3, MySQL and Python in production (Go/Node is a plus), AWS


Salary range: $180-220k base + equity [depending on experience]
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