Kantar

Senior Software Engineer

Kantar
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26 days ago
London, United KingdomSenior

Responsibilities

  • Create scalable, distributed backend services for AI-driven applications.
  • Build event-driven systems that process large volumes of behavioral data in real time.
  • Develop services using Node.js/TypeScript and/or Python.
  • Design APIs for high-throughput, low-latency workloads.
  • Orchestrate and optimize AI agent-based systems operating at scale.
  • Contribute to technical direction, mentor others, and improve platform development and operations.
  • Collaborate with product, data science, and platform teams to deliver production-ready systems.

Requirements

  • Strong backend engineering experience with cloud-based systems such as Azure, AWS, or GCP.
  • Experience designing distributed or event-driven architectures, including Kafka or similar technologies.
  • Proficiency in TypeScript/Node.js and/or Python.
  • Experience building scalable APIs and microservices.
  • Working knowledge of containers and cloud-native delivery approaches.
  • Curiosity about how AI-enabled systems scale responsibly.
  • Experience with LLMs, AI agent orchestration, RAG, vector databases, or LangChain is a bonus but not required.

Benefits

  • Flexible hybrid working.
  • 25 days of leave, two paid volunteering days, and life event leave.
  • Competitive salary and role-dependent bonus.
  • Company pension.
  • Enhanced parental leave.
  • Healthcare options.
  • Wide range of flexible benefits.
  • Visa sponsorship and relocation support are not available; applicants must already have the right to work in the role’s country.
Kantar

About Kantar

10,000+ employees
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