Senior Software Engineer - Confluent Kafka

IBM
IBM

Software Engineering

United Kingdom · Hursley, UK

Posted on Jul 12, 2026
Introduction

At IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by curiosity and collaboration. You’ll work with diverse technologies, partners, and industries to design, develop, and deliver solutions that power digital transformation. With a culture that values innovation, growth, and continuous learning, IBM Software places you at the heart of IBM’s product and technology landscape. Here, you’ll have the tools and opportunities to advance your career while creating software that changes the world. With Confluent, data doesn’t sit still. We put information in motion, streaming in near real time so organizations can react faster, build smarter, and deliver experiences as dynamic as the world around them.

Your role and responsibilities

As a Senior Software Engineer on the team, you will focus on advancing key layers of the Realtime Context Engine project, including its multi-tenant, highly available compute infrastructure, and the core components responsible for query execution and background materialization. You will tackle challenges such as developing strategies for efficient execution and at massive scale across all of Confluent Cloud, ensuring high availability and scalability.

What You Will Do:

Query Engine Development: Design and implement innovative strategies for query execution, planning, and caching at massive scale.

Platform Engineering: Build and maintain multi-tenant, highly available infrastructure that powers computational tasks for Lightning tables and the realtime context engine. Ensure that the platform is optimized for scalability, reliability, and resilience, in alignment with organizational objectives.

Cross-Functional Collaboration: Collaborate with product management, design, and other engineering teams to ensure seamless integration of storage features and infrastructure with the broader organization.

Required education
Bachelor's Degree
Preferred education
Master's Degree
Required technical and professional expertise
  • Expertise in C++ and/or Rust
  • 3-5 years of demonstrated professional work experience building database technologies
  • Experience in building and operating large-scale database systems
  • Distributed Systems domain experience
  • Excellent communication and collaboration skills, with the ability to influence and guide stakeholders at all levels.
Preferred technical and professional experience
  • Familiarity with or has experience contributing to the following open-source technologies: Apache Iceberg, Velox, Substrait
  • Experience/knowledge with public clouds (AWS, Azure or GCP)
  • Computer Science Degree with Specialization in Database Technologies

ABOUT BUSINESS UNIT

IBM Software infuses core business operations with intelligence—from machine learning to generative AI—to help make organizations more responsive, productive, and resilient. IBM Software helps clients put AI into action now to create real value with trust, speed, and confidence across digital labor, IT automation, application modernization, security, and sustainability. Critical to this is the ability to make use of all data, because AI is only as good as the data that fuels it. In most organizations data is spread across multiple clouds, on premises, in private datacenters, and at the edge. IBM’s AI and data platform scales and accelerates the impact of AI with trusted data, and provides leading capabilities to train, tune and deploy AI across business. IBM’s hybrid cloud platform is one of the most comprehensive and consistent approach to development, security, and operations across hybrid environments—a flexible foundation for leveraging data, wherever it resides, to extend AI deep into a business.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

For additional information about location requirements, please discuss with the recruiter following submission of your application.

See more open positions at IBM