Software Engineer(Python)

dunnhumby is the global leader in Customer Data Science, empowering businesses everywhere to compete and thrive in the modern data-driven economy. We always put the Customer First.

Our mission: to enable businesses to grow and reimagine themselves by becoming advocates and champions for their Customers. With deep heritage and expertise in retail – one of the world’s most competitive markets, with a deluge of multi-dimensional data – dunnhumby today enables businesses all over the world, across industries, to be Customer First.

dunnhumby employs nearly 2,500 experts in offices throughout Europe, Asia, Africa, and the Americas working for transformative, iconic brands such as Tesco, Coca-Cola, Meijer, Procter & Gamble and Metro.

Most companies try to meet expectations, dunnhumby exists to defy them. Using big data, deep expertise and AI-driven platforms to decode the 21st century human experience – then redefine it in meaningful and surprising ways that put customers first. Across digital, mobile and retail. For brands like Tesco, Coca-Cola, Procter & Gamble and PepsiCo.

We are looking for talented Software Engineers to help us build dunnhumby's next generation applications.

We are looking for a highly skilled Python Developer with expertise in API development (FastAPI, Uvicorn) and data operations libraries (Numpy, Pandas, Pyarrow, Pydantic etc.) to join our engineering team. You will be responsible for designing, developing, and optimizing Python-based APIs and services. You’ll collaborate with cross-functional teams to deliver efficient and scalable software solutions that meet business needs.

Key Responsibilities

• API Development: Design, develop, and maintain high-performance APIs, ensuring their integrations with other systems and meet scalability and performance requirements.
• Data Processing: Utilize python data libraries to handle, transform, and validate data efficiently.
• Testing & Debugging: Write unit and integration tests to ensure code reliability and performance; troubleshoot and debug complex issues.
• System Design: Participate in the architecture and design of data-science driven systems and services, ensuring robustness and scalability.
• Best Practices & NFRs: Implement coding best practices, and ensure NFRs like observability, resiliency, scalability are maintained in the application code.
• Cloud Deployment: Deploy and manage APIs and data services on cloud platforms such as AWS, Azure, or GCP, ensuring secure and efficient operations.
• Agile Methodology: Actively participate in Agile processes, including daily stand-ups, sprint planning, and retrospectives.
  
  

Required Skills And Experience

• 4-6 years of Python based application development experience with a focus on API based microservices in distributed systems.
• API Development Expertise: Strong experience with FastAPI and Uvicorn for API development, with a focus on scalability and performance.
• Data Libraries: Proficiency in Python data libraries, including Numpy, Pandas, Pyarrow, and Pydantic, for data manipulation and validation.
• Python Proficiency: Strong Python programming skills, including a deep understanding of Python’s data structures and algorithms.
• Cloud Platforms: Hands-on experience with cloud services such as AWS, Azure, or GCP for deployment and management.
• Testing Frameworks: Familiarity with testing frameworks such as Pytest or Unittest.
• Version Control: Proficiency with Git or other version control systems.
• Problem Solving: Strong analytical skills with a proven ability to solve complex technical challenges.
• Agile Development: Experience working in Agile/Scrum environments.
  
  

Preferred Qualifications

• Containerization & Orchestration: Experience with Docker and Kubernetes for containerized deployment.
• CI/CD: Knowledge of CI/CD pipelines and DevOps practices for continuous integration and deployment.
• Distributed Systems: Exposure to distributed system design and microservices architecture.This role requires a high level of technical expertise, effective communication skills, and the ability to thrive in a collaborative Agile environment.
  
  

Our approach to Flexible Working

At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work.

We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process.

For further information about how we collect and use your personal information please see our Privacy Notice which can be found (here)

What You Can Expect From Us

We won’t just meet your expectations. We’ll defy them. So you’ll enjoy the comprehensive rewards package you’d expect from a leading technology company. But also, a degree of personal flexibility you might not expect. Plus, thoughtful perks, like flexible working hours and your birthday off.

You’ll also benefit from an investment in cutting-edge technology that reflects our global ambition. But with a nimble, small-business feel that gives you the freedom to play, experiment and learn.

And we don’t just talk about diversity and inclusion. We live it every day – with thriving networks including dh Gender Equality Network, dh Proud, dh Family, dh One and dh Thrive as the living proof. We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you. For an informal and confidential chat please contact stephanie.winson@dunnhumby.com to discuss how we can meet your needs.

Our approach to Flexible Working

At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work.

We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process.

For further information about how we collect and use your personal information please see our Privacy Notice which can be found (here)