Senior Go Backend Engineer — AI Platform (Hybrid, Copenhagen)

Kantar Group; København; Hybrid; DKK 900,000 - 1,300,000; Full time

Benefits offered by this job

Holiday

Volunteer leave

Life event leave

Meal subsidy

Company pension

Job summary

Kantar Group in Copenhagen seeks a Senior Software Engineer to reinforce the Go backend powering LIFT ROI. You will design, implement and scale backend services, APIs, and data models in a collaborative team with product and data science, balancing feature delivery with technical debt.

Ideal candidates have production Go experience, API design skills and familiarity with Docker/Kubernetes, plus Python as needed. Hybrid work arrangement offered with three days in the office.

Qualifications

• Strong backend experience building production services, ideally using Go (Golang).
• Solid experience designing and consuming APIs and working with databases (schema design, queries, performance).
• Working knowledge of LLMs and MCPs (Model Context Protocol), and comfort using Python alongside Go.

Responsibilities

• Design, build and maintain backend services in Go – with a focus on performance, security, scalability and clean, well-tested code.
• Deliver new product features while actively tackling technical debt to keep the platform healthy and easy to evolve.
• Design and evolve robust APIs and data models, ensuring reliable integration across the LIFT ROI platform.
• Contribute to our AI-enabled roadmap, helping integrate LLM- and MCP-based tooling into the product.
• Collaborate closely with engineers, product and data science through code reviews, technical discussions and architectural planning.

Skills

Go

APIs

Python

LLMs/MCPs

Kubernetes

Docker

Frontend

Tools

Go

Kubernetes

Docker

Python

Job description

Kantar Group in Copenhagen seeks a Senior Software Engineer to reinforce the Go backend powering LIFT ROI. You will design, implement and scale backend services, APIs, and data models in a collaborative team with product and data science, balancing feature delivery with technical debt.

Ideal candidates have production Go experience, API design skills and familiarity with Docker/Kubernetes, plus Python as needed. Hybrid work arrangement offered with three days in the office.