Senior Software Engineer

Kantar Group Limited; Porto; Presencial; EUR 40 000 - 65 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Life Leave

Birthday leave

Volunteer days

Carer leave

Surfboard storage at lunch

Resumo da oferta

Kantar Group Limited in Porto seeks a backend engineer to design, build and maintain scalable services with Node.js and TypeScript. You’ll develop robust APIs, connect to PostgreSQL or MongoDB, and work with product and engineering teams to deliver reliable, secure solutions.

Join a data‑driven platform powering reporting for leading brands, ensure data accuracy and scalability, and contribute to code quality, testing, and CI/CD practices in a collaborative team.

Qualificações

• Strong experience building backend services with Node.js and TypeScript.
• Experience with PostgreSQL or MongoDB and ORMs (Prisma/Sequelize).
• Experience designing and maintaining REST and/or GraphQL APIs.
• Understanding of secure, reliable backend systems.

Responsabilidades

• Designing, building, and maintaining scalable backend services using Node.js and TypeScript
• Developing robust APIs that support our internal platforms and reporting needs
• Working closely with product and engineering teams to understand requirements and deliver reliable solutions
• Ensuring data is accurate, consistent, and scalable through effective database integrations
• Contributing to code quality, performance, and practical engineering standards across the team

Conhecimentos

Node.js

TypeScript

PostgreSQL

MongoDB

ORMs (Prisma)

ORMs (Sequelize)

REST/GraphQL APIs

Security concepts

CI/CD

Cloud platforms

Ferramentas

Prisma

Sequelize

Descrição da oferta de emprego

We go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in.

Why this role matters

We’re known for our data. You’ll help us turn it into technology that teams and clients can rely on. At Kantar, technology plays a critical role in how we deliver trusted insights to the world’s leading brands.

What you’ll be doing

• Designing, building, and maintaining scalable backend services using Node.js and TypeScript
• Developing robust APIs that support our internal platforms and reporting needs
• Working closely with product and engineering teams to understand requirements and deliver reliable solutions
• Ensuring data is accurate, consistent, and scalable through effective database integrations
• Contributing to code quality, performance, and practical engineering standards across the team

The skills and experience you’ll bring

• Strong experience building backend services using Node.js and TypeScript
• Confidence working with databases such as PostgreSQL or MongoDB, and ORMs like Prisma or Sequelize
• Experience designing and maintaining APIs (REST and/or GraphQL)
• An understanding of how to build secure, reliable backend systems
• Clear communication skills and a collaborative approach to problem‑solving

Nice to have

• Experience with authentication and security concepts
• Familiarity with event‑driven systems or messaging tools
• Exposure to testing frameworks, CI/CD pipelines, or cloud platforms

What’s in it for you

On top of all your normal benefits like holiday, meal cards and life assurance, we also offer:

• Five days of Life Leave per year; for those days when life just…gets in the way.
• Birthday leave – one extra day of holiday taken on the nearest workday to your birthday
• Two days a year to give back and volunteer with an organisation of your choice.
• Enhanced primary and secondary carer leave for however you choose to grow your family.
• The chance to hit the beach on your lunch break (yes, we have somewhere you can store your surfboard!)

Location

Porto, R. Dom João I Portugal

You’ll be joining our Profiles division, home to specialists in survey design, sampling and data science.

With the world’s largest audience network (over 170 million people), we’re trusted by many of the worlds leading brands to provide amazing insights from real people.

We’re not able to offer visa sponsorship or help with relocation support for this role.

Please make sure you’ve got the right to work in the country where this role is located before applying.

Kantar Rewards Statement

At Kantar we have an integrated way of rewarding our people based around a simple, clear and consistent set of principles. Our approach helps to ensure we are market competitive and also to support a pay for performance culture, where your reward and career progression opportunities are linked to what you deliver.

We want to create an equality of opportunity in a fair and supportive working environment where people feel included, accepted and are allowed to flourish in a space where their mental health and well being is taken into consideration.

We want to create a more diverse community to expand our talent pool, be locally representative, drive diversity of thinking and better commercial outcomes.

We go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in.

Kantar is the world’s leading data, insights and consulting company. We understand more about how people think, feel, shop, share, vote and view than anyone else. Combining our expertise in human understanding with advanced technologies, Kantar’s 30,000 people help the world’s leading organisations succeed and grow.

KANTAR Kantar is the world’s leading AI-native marketing data and analytics business and an indispensable brand partner to the world’s top companies. We combine the most meaningful attitudinal and behavioural data with deep expertise and advanced analytics to uncover how people think and act. We help clients understand what has happened and why and how to shape the marketing strategies that shape their future.