Posted 14 Jan 2023, 5:11 pm

Senior Database Developer at =nil; Foundation

=nil; Foundation is hiring a system developer to work on a custom database engine.
We are building our own database that replicates data from multiple different blockchains and provides a single SQL interface that allows to select records in a unified way and also allows to insert multiple blockchains as one atomic transaction.
Our primary customers are crypto exchanges and other businesses that have a large volume of crypto transactions. We allow them to save on infrastructure and maintenance costs, because our solution is significantly more efficient than what is possible with off-the-shelf components.


We expect you to work on the database core which is written in C++

  • You will be improving the existing replication protocol to make it fault tolerant
  •  and tamper-proof
  • You would also work on improving our query language to compile with llvm to a WebAssembly runtime
  • And in addition you'll be building an actor model based on user-space stackful green threads 


  • 5-6 years of C++ experience is required. Though if you have experience with C, it also counts.
  • You'd also need at least 3 years of experience building server-side software, which works over the network and is either multithreaded or async
  • Knowledge of database internals such as MVCC, commit logs, query optimization, index structures and others would be beneficial
  • Alternatively, we would value experience with any critical stateful services


  • We pay well
  • "No corporate bullshit" culture
  • You are free to work remotely from the location of your choice, or in our office in Limassol
  • We provide health insurance and pay for your hardware setup
  • If you need it, we help with relocation

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Source: Remote Ok