Senior Backend Engineer - Java - Personalisation

Beyond is a technology consultancy helping organizations thrive in a rapidly changing world.

We build, modernize, scale, and operationalize technology, creating Cloud and AI solutions to unlock productivity and drive customer growth.

Role Overview

• We’re looking for an experienced engineer to shape the next generation of intelligent loyalty systems. This role offers the opportunity to define architectural strategy, lead transformative initiatives, and work at scale with AI, Data and Machine Learning.

As a Senior Java Engineer at Beyond, you’ll:

• Lead the architecture and evolution of scalable, high-performance Java backend systems for personalisation, including data ingestion, profile management, recommendation services, and dynamic content delivery.
• Utilize frameworks like Spring Boot, Apache Kafka for messaging, and RESTful API as well as Backend-for-Frontent (GraphQL) design principles.
• Drive cross-functional initiatives to integrate modern personalisation technologies, such as real-time behavioral analytics and A/B testing frameworks, using Java-based APIs and microservices.
• Define strategies to enhance the performance, reliability, and observability of personalisation services, ensuring low-latency, high-availability systems through Java optimizations and monitoring tools like Micrometer or Prometheus.
• Design and implement Java frameworks for evaluating personalisation effectiveness through both offline metrics and live A/B experimentation.
• Champion engineering best practices in Java development and mentor engineers across teams, raising the bar for code quality and system design.
• Shape long-term technical direction by staying ahead of trends in distributed systems, Java ecosystem advancements, and personalisation technologies—and bringing these innovations into production.

Things that will make you stand out:

• Degree in Computer Science, Engineering, or a related technical field.
• 8+ years of experience in developing large-scale java systems.
• Extensive hands-on experience working with content from personalisation and recommendation engines.
• Familiarity with technologies such as Apache Beam, Pub/Sub, and other large-scale data processing frameworks crucial for personalisation at scale.
• Expertise in backend development, with knowledge of Scala or Golang a plus, to build robust and efficient recommendation systems.
• Proficiency with both SQL and NoSQL databases, to manage and query data for personalized experiences.
• Demonstrated experience building robust APIs (REST, GraphQL) and operating in modern cloud environments (GCP, AWS), using Kubernetes, Docker, CI/CD, and observability tools.
• Proven ability to influence engineering direction across teams and functions.
• Strong communication skills and the ability to align diverse technical stakeholders around a cohesive vision.

Nice to Have

• Specialization in personalisation-related areas and recommendation engines.
• Experience deploying personalisation solutions in production.
• Knowledge of end-to-end personalisation system design.

Having been named among the Sunday Times Best 100 Companies, we believe culture plays a large role in what we offer as an organization. We actively promote diversity in all its forms across our Studios, and we proudly, passionately, and proactively strive to create a culture of inclusivity and openness for all our employees.

Beyond is committed to welcoming everyone, regardless of gender identity, orientation, or expression. Our mission is to remove exclusivity and barriers and encourage new thinking and perceptions in a space of belonging. It is not about race, gender, or age, it is about people. And without our people being their most creative and innovative selves, we are nothing.