Senior Software Engineer

We show the world what people want.

Join GfK and help us shape tomorrow. As an NIQ company, we are the world's leading consumer intelligence firm, delivering the Full View™ on consumer behavior. We work to enable manufacturers and retailers better understand what consumers really want. Our name has inspired trust for over 89 years because we take pride in discovering new pathways to sustainable growth for our clients, our people, and our planet.

We are always looking for open-minded people who will grow with us, push boundaries, and pioneer disruptive methods in market research, data science, technology, and AI. If you share this passion to drive things forward and the integrity to insist on doing things the right way, we'll equip you to take your future into your own hands and play a leading role in our story. As a Senior Software Engineer in GfK's flagship product, 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 located in India, UK and Malaysia. For this opening you will be part of the Retail team that is responsible for building the Retail dashboard for our clients.

Job Description

You are passionate about building functional and performant applications and services that delight users. Your expertise is in microservices architecture designs and implementation of scalable, high-performance services that communicate seamlessly through APIs, message queues, or event-driven patterns. You understand the importance of having an efficient data flow between services and databases, leveraging on technologies like REST, BigQuery and relational databases for optimized storage and retrieval. You also have a strong focus on reliability, security, and maintainability, handling data consistency, transactions and caching while implementing best practices such as distributed tracing, load balancing and fault tolerance to enhance system resilience and performance.

You will report to the Principal Software Engineer and work with our Product counterparts.

You Will:

• Develop Microservices using Node.js, TypeScript and Java.
• Participate in architectural design sessions and community of practice.
• Implement Test-Driven Development (TDD) for writing unit and integration tests.
• Address application and data integrity issues, and fix defects and performance problems identified in testing.
• Write various tests, including unit, integration, and acceptance tests.
• Package applications using NPM, YARN, and webpack.
• Propose projects that enhance working efficiency and quality.
• Work with architects and Agile teams to shape system architecture and performance goals.
• Engage in Agile practices, such as estimating and planning.
• Collaborate effectively with team members.
• Document technical efforts periodically.

Qualifications

You Have:

• 6+ years of experience in building service-oriented architecture and RESTful API development.
• Proficient in Node.js.
• Proficient in writing SQL Queries for PostgreSQL and BigQuery.
• Solid understanding of TDD and experience with unit testing frameworks.
• 3+ years of experience with testing frameworks, e.g. Jest, React Testing Library (RTL) or JUnit.
• Familiarity with Source-Control systems, CI/CD pipelines, and containerization (Docker, Kubernetes).
• Knowledge of creating and managing API documentation (e.g., Swagger).
• Understanding of design pattern.
• Understanding of distributed tracing and logging.
• Experience with cloud platforms (preferably GCP) and deploying projects via CI/CD.
• Interest in mentoring and improving the skills of fellow engineers.
• Open and collaborative mindset in team environments.
• Agile development experience (e.g., SAFe).

It would be nice you have:

• Experience with enterprise web applications.
• Experience in building SPAs with React.
• Experience building APIs in Java Spring Boot.
• Experience in architectural patterns.
• Knowledge of No-SQL databases.
• Familiarity with monitoring and alerting tools like Prometheus, Grafana.
• Understanding of Unix systems.
• Experience in large-scale microservices environments.