Senior Software Engineer

Salary: £90,000 - 90,000 per year

Requirements

• 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
• Proficiency with APIs (REST/gRPC)
• Familiarity with microservices architecture
• Experience with cloud platforms (AWS, GCP, or Azure)
• Familiarity with Docker and Kubernetes
• Knowledge of 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

Responsibilities

• 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

Technologies

• AWS
• Azure
• Backend
• Cloud
• DevSecOps
• Docker
• GCP
• Golang
• Java
• Kafka
• Kubernetes
• REST
• Security
• gRPC
• microservices
• JVM
• Spring

More

We are a fast-growing organisation in the cybersecurity space, developing advanced platforms to detect, prevent, and respond to modern threats in real time. Join our high-impact backend team where you will work on cutting-edge cybersecurity products with real-world impact. We offer a competitive salary and benefits, including flexible or remote working options, and the opportunity to shape system architecture and technical direction.

last updated 16 week of 2026