SH
Sharethrough· HQ in 5455 Gaspe Avenue Suite #730, Montreal, Quebec, H2T 3B3, Canada

Backend Engineer [Freelance]

Location: Paris · Category: Engineering & Development · Seniority: Mid-Level · Posted: April 30, 2026 · Verified: Oct 3, 2026

Role Overview & Description

This freelance role builds and queries a multi-billion entry ID graph for the Addressability team, ingesting massive data into high-performance key-value stores and serving queries at millions of requests per second. The engineer will design trade-offs between features and performance, integrate third-party data providers, and support business teams with advanced targeting and reporting. Requires 3-4 years of low-latency C# expertise and experience with Aerospike or equivalent KV stores.
Source & Transparency: This position was structured directly from the publicly accessible career portal of Sharethrough. Details on the employer’s original job posting are authoritative. Polaris7 charges no placement fees and conducts no candidate screening.

About the company

SH

Sharethrough

sharethrough.com

Programmatic SSP and ad exchange focused on curated, sustainable supply.

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