Senior Backend Engineer (Node.js/TypeScript) – Scalable APIs

Kantar; Porto; Híbrido; EUR 60 000 - 90 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Life Leave

Birthday leave

Volunteer days

Carer leave

Surfboard storage

Resumo da oferta

Kantar is seeking a Senior Software Engineer to help build and evolve core backend services powering our internal platforms, enabling teams to access accurate, timely data. You’ll design scalable systems and APIs using Node.js and TypeScript with a focus on reliability and performance.

You will collaborate with product and engineering teams, ensure data correctness and integration with PostgreSQL or MongoDB, and contribute to coding standards. This hybrid role requires two to three days in Porto.

Qualificações

• Strong experience building backend services with Node.js and TypeScript.
• Proficient with PostgreSQL or MongoDB and ORMs such as Prisma or Sequelize.
• Experience designing and maintaining REST and/or GraphQL APIs.
• Understanding of building secure, reliable backend systems.
• Clear communication and collaborative problem-solving.

Responsabilidades

• Design, build, and maintain scalable backend services using Node.js and TypeScript.
• Develop robust APIs to support internal platforms and reporting needs.
• Collaborate with product and engineering teams to understand requirements and deliver reliable solutions.
• Ensure data accuracy, consistency, and scalable integration with databases.
• Contribute to code quality, performance, and engineering standards.

Conhecimentos

Node.js

TypeScript

REST APIs

GraphQL

Communication

Ferramentas

PostgreSQL

MongoDB

Prisma

Sequelize

Descrição da oferta de emprego

Kantar is seeking a Senior Software Engineer to help build and evolve core backend services powering our internal platforms, enabling teams to access accurate, timely data. You’ll design scalable systems and APIs using Node.js and TypeScript with a focus on reliability and performance.

You will collaborate with product and engineering teams, ensure data correctness and integration with PostgreSQL or MongoDB, and contribute to coding standards. This hybrid role requires two to three days in Porto.