Senior Software Engineer, Payments & Incentives

Company: Quantcast
Apply for the Senior Software Engineer, Payments & Incentives
Location: London
Job Description:

Overview

As a Senior Software Engineer on the Payments & Incentives team, you will help build and refine the financial engine powering Quantcast’s ad-tech platform. You’ll design robust microservices and APIs to enable payments, incentives, and billing, while aligning with cross-functional partners to ensure reliability and business impact. You will drive unified financial reporting and streamlined billing workflows at scale, improving invoice visibility for revenue operations. This role offers a chance to shape scalable, customer-centric financial solutions within a fast-moving, AI-powered ad-tech company.

Pay / Benefits

  • competitive salary
  • performance bonus
  • equity
  • comprehensive benefits package

Responsibilities

  • Drive initiatives for unified financial reporting and process consolidation with reliable, observable systems
  • Design and implement robust microservices and APIs for payments, incentives, and billing
  • Collaborate with internal customers, product owners, and stakeholders to align on requirements and dependencies
  • Mentor peers and junior engineers through feedback on code and design
  • Lead resolution of on-call incidents and implement improvements for system health and financial integrity

Key requirements

  • 2+ years building and maintaining complex distributed systems, with microservices focus
  • Degree in Computer Science or adjacent field (or equivalent experience)
  • Proficiency in Go and Python or similar modern languages
  • Experience designing APIs and microservices in a high-velocity production environment
  • Strong understanding of observability and SDLC in an Agile setting
  • Ability to communicate complex technical updates clearly to diverse stakeholders
  • Ability to work across teams and with third parties to remove dependencies
  • Familiarity with cloud tech (AWS), messaging systems (Kafka, SQS), or data warehouses (Snowflake) is a plus
  • outcome-oriented
  • autonomy
  • cross-functional collaboration
  • Go
  • Python
  • APIs

…

Posted: September 23rd, 2026