Senior Back-end Developer, GFK

Salary not provided

SQL

MongoDB

GCP

JavaScript

Java

Elasticsearch

Node.js

Postgres

Unix

Senior and Expert level

London

AI-powered market intelligence & consulting

Job no longer available

AI-powered market intelligence & consulting

1001+ employees

B2BArtificial IntelligenceEnterpriseMarket researchConsultingBusiness IntelligenceData Analysis

Job no longer available

Salary not provided

SQL

MongoDB

GCP

JavaScript

Java

Elasticsearch

Node.js

Postgres

Unix

Senior and Expert level

London

1001+ employees

B2BArtificial IntelligenceEnterpriseMarket researchConsultingBusiness IntelligenceData Analysis

Company mission

To discover new pathways to sustainable growth for our clients, our people, and our planet.

Job

Company

Role

Who you are

8 years+ solid programming skills in Java (JDK 11+) or JavaScript (Node.js v14+)
5 years+ working experience of databases and SQL
5 years+ working experience of Microservices and RESTful APIs
Experience analysing DB query plans (execution plan)
Experience optimising SQL Read/Write queries
Knowledge in TDD and unit testing
Experience with Design Patterns and Object-Oriented design
Solid computer science/engineering fundamentals, including data structures and algorithms
Experience with Source-Control systems, CI/CD pipelines and containerisation
Experience with a Google Cloud Platform (GCP). If you have experience with other cloud providers, you can pick up GCP with us
An interest in helping other engineers become even better

Desirable

Experience with enterprise web-applications
No-SQL Databases such as MongoDB and Search indexes such as Elasticsearch or Solr
Experience building Single Page Applications
Google Cloud or similar could platforms
Experience of micro-services at scale
An understanding of Unix systems
Experience in Agile development like SAFe
Wear a Scrum Master hat from time to time

What the job involves

As a Senior Software Engineer with GfK based in London, you will be provided with a great opportunity to work as part of an agile feature team of technologist within the GfK product ecosystem
Specifically, you will work in a squad (mixing other developers, SREs, UI/UX designers, Product Owners, and Product Managers) dedicated to a project for the GfK Client Platform
You will report to the Platform Services Tech Lead and work with your product counterpart, the Principal Product Manager for the Domain alongside the Domain Architect
Utilise TDD, that is a test first approach in writing unit and integration tests
You would analyse Postgres query plans (execution plan)
You would improve Postgres Read/Write queries performance
Identify and address application and data issues that affect application integrity
Fix any defects and performance problems discovered in testing
Suggest projects (e.g. training) that improve working efficiency and quality
Work with the architects and an Agile team to influence the system architecture and performance goals
Contribute to Agile practices, such as estimating and planning
Collaborate well with team members
Document technical effort from time to time

Salary benchmarks

Our take

GFK boasts a comprehensive suite of capabilities, including shopper behaviour tracking, emerging trend adaptation, total economic impact assessments and consultancy services. The company has continuously advanced and modernised its business model to remain a leading provider in today’s fast-paced, data-driven landscape.

A notable innovation from GFK is its decision support system, gfknewron, which aids in forecasting sales, setting prices and conducting scenario testing. This system exemplifies GFK’s commitment to providing advanced tools for data-driven decision-making.

In 2024, GFK sold its European Consumer Panel business to YouGov. This acquisition will allow YouGov to enhance its data capabilities and expand its market presence. Alongside this, GFK's successfully merged with NielsenIQ to poise themselves to create a global leader in consumer and retail data, accelerating GFK's growth and strengthening its market position.