Senior Java Engineer at InfoSum — Basingstoke, GBR | Base Career

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InfoSum is WPP’s privacy-first data collaboration technology, trusted by global businesses to unlock the full potential of their first-party data without risk.

Its patented, cross-cloud, decentralized collaboration technology leverages advanced Privacy-Enhancing Technologies (PETs) to radically transform how companies generate audience intelligence and drive better customer experiences.

As the foundational infrastructure underpinning WPP Open, InfoSum powers trusted data collaboration across every cloud, client, and capability.

Job Overview

As a Senior Java Engineer, you will be responsible for designing, building and maintaining scalable, high-performance backend systems that power InfoSum’s data collaboration platform.

You will work closely with cross-functional teams, including frontend engineers, product representatives and infrastructure teams, to deliver robust and efficient solutions.

This role requires deep expertise in Java, backend development, system architecture and database management, with a focus on performance, security, and reliability.

Core Responsibilities

Design and implement scalable, high-performance backend services that support business needs.
Identify and resolve performance bottlenecks to ensure smooth operation under high loads.
Implement security best practices to protect data and ensure compliance with industry regulations.
Develop automated testing strategies to maintain code quality and system reliability.
Work with product, frontend and DevOps teams to ensure seamless integration and deployment of backend services.
Provide mentorship to junior engineers and contribute to team knowledge sharing.
Implement monitoring and logging solutions to proactively detect and address issues in production.
Stay updated on emerging technologies and apply best practices to improve system efficiency and maintainability.

with Python and/or Go would be advantageous.

Strong understanding of distributed systems, gRPC, microservices architecture, and RESTful APIs.
Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes).
Solid understanding of database design and query optimization.
Knowledge of scalability strategies, microservices architecture, load balancing, caching, and event-driven architectures, in particular Kafka.
Strong experience with CI/CD pipelines and automated testing to ensure reliable deployments.
Excellent problem-solving skills with the ability to diagnose and resolve complex technical issues.
Strong collaboration and communication skills to work effectively in a cross-functional team.

Who you are:

You're open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views.

We are open-minded: to new ideas, new partnerships, new ways of working.

You're optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities.

We approach all that we do with conviction: to try the new and to seek the unexpected.

You're extraordinary: we are stronger together: through collaboration we achieve the amazing.

We are creative leaders and pioneers of our industry; we provide extraordinary every day.

What we'll give you:

Passionate, inspired people – We aim to create a culture in which people can do extraordinary work.

Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry.

Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers.

Are you up for the challenge?

#LI-Hybrid

We believe the best work happens when we're together, fostering creativity, collaboration, and connection.

That's why we’ve adopted a hybrid approach, with teams in the office around four days a week.

If you require accommodations or flexibility, please discuss this with the hiring team during the interview process.

WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics.

We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.

Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.

Senior Java Engineer

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