Senior Software Engineer, Query Execution

October 20, 2026

Remote (within country)

Senior

London

Description

The Query Execution Team is hiring a senior engineer to help develop a high performing, reliable and modular distributed query system. The work covers implementing and maintaining execution algorithms, adding query language features and tuning database performance for customers' critical workloads. The position can be based remotely within the United Kingdom.

Responsibilities

Understand and improve current functionality of the query engine
Contribute high quality C++ code and give and solicit feedback in code reviews
Identify, design, implement, test, and support new features related to query performance and robustness, query language enhancements, diagnostics for query performance problems, and integration with other products and tools
Work constructively with peers to deliver excellent technical solutions
Contribute to the development of a project slated for the next major version and fix bugs in a minor version within three months
Take on code review responsibilities and independently deliver complex functionality within six months
Lead the development of a new major feature and help mentor new engineers on the team within twelve months

Requirements

5+ years of experience in systems programming
Experience in databases and/or data management systems is a huge plus, but not a requirement
Hands-on experience building industrial-strength software
Solid computer science fundamentals, with strong competencies in data structures, algorithms, and software design/architecture
Experience with large code bases, preferably in C++, C, Rust or a similar compiled language
B.Sc in Computer Science or similar field, or equivalent practical experience
Interest in the theory and practice of database query engines; hands-on experience or M.Sc./Ph.D in the domain is a plus

Conditions

Role can be based remotely in the United Kingdom
Employee affinity groups, fertility assistance and a generous parental leave policy

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