Are you a Senior Backend Engineer who specialises in either Java or Go and enjoys building high-performance, security-focused systems at scale?
My client is a fast-growing organisation in the cybersecurity space, developing advanced platforms to detect, prevent, and respond to modern threats in real time. They are looking for a Senior Engineer with deep expertise in either Java or Go to join a high-impact backend team.
The Role
This role is focused on building and scaling core backend services that underpin security-critical applications. You will work on highly concurrent, distributed systems where performance, resilience, and security are paramount.
Whether your strength is in Java (Spring, JVM ecosystem) or Go (Golang, high-concurrency services), you will have the opportunity to work within a team that values clean design, efficiency, and engineering excellence.
What You'll Be Doing
Designing and building scalable backend services using Java or Go
Developing high-throughput, low-latency systems in a distributed environment
Working on real-time data pipelines and event-driven architectures
Contributing to system design, architecture, and performance optimisation
Writing clean, maintainable, and well-tested code
Collaborating with security and infrastructure teams to build robust, secure systems
Mentoring engineers and contributing to best practices
What We're Looking For
Strong commercial experience in either Java or Go (Golang)
Deep understanding of backend engineering principles and system design
Experience building distributed systems at scale
Strong knowledge of:
Concurrency and performance optimisation
APIs (REST/gRPC)
Microservices architecture
Experience with cloud platforms (AWS, GCP, or Azure)
Familiarity with Docker and Kubernetes
Experience in cybersecurity, fintech, or other high-security environments is a plus
Nice to Have
Experience with low-latency or real-time processing systems
Knowledge of security protocols, encryption, or threat detection systems
Experience with Kafka or other streaming technologies
Exposure to DevSecOps or secure development practices
Why Join?
Work on cutting-edge cybersecurity products with real-world impact
Join a strong, engineering-led team with a focus on quality and performance
Opportunity to shape system architecture and technical direction
Competitive salary and benefits
Flexible or remote working options
Interested?
If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly.