Software Engineer

Catonetworks; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Cato Networks is seeking an intelligent and passionate Software Engineer to join a team expanding our cloud-native platform and backend services. You will design and build scalable systems that process data across distributed networks and power new product capabilities.

The role requires 6+ years backend experience (Java/Go), strong data stores, and SaaS microservices know-how, plus collaboration with product, research, and automation teams.

Qualifications

• 6+ years of backend development experience in Java, Go, or similar.
• Experience with relational and NoSQL databases and production SaaS microservices.
• Strong knowledge of system design, scalability, and security.
• CI pipelines, testing, and monitoring experience.
• Familiarity with frontend tech (React/TypeScript) is a plus.

Responsibilities

• End-to-end development of backend services and APIs for scalable SaaS.
• Design and implement platform capabilities for growth initiatives.
• Build reliable systems for data collection, aggregation, and analysis.
• Collaborate with product, research, and automation teams.
• Evaluate new technologies to accelerate product evolution.

Skills

Backend development

Java

Go

Play Framework

Spring Boot

Relational databases

NoSQL databases

SaaS microservices

System design

Security

CI pipelines

Testing/Monitoring

React

TypeScript

BSc Computer Science

Education

BSc Computer Science

Tools

PostgreSQL

MySQL

MongoDB

Redis

Job description

Welcome to the future of cloud networking and security!

Cato Networks is the first company to converge enterprise networking and security into one centralized and global service that is delivered by cloud. It is led by networking and security pioneer Shlomo Kramer (Check Point, Imperva) and early investor (Palo Alto Networks, Exabeam, Trusteer and more). Cato’s unique technology inspired a brand-new product category, later named “SASE” by Gartner and a market expected to reach $28.5 billion by 2028.

This is your opportunity to get on the rocket ship and join a company that is building a cutting-edge enterprise network and secure cloud platform, and is on a fast track to becoming the worldwide market leader – don’t miss it!

Cato Networks is looking for an intelligent and passionate Software Engineer to join a newly formed team focused on enabling the next phase of Cato’s growth. This team is responsible for adapting and extending Cato’s platform to support new use cases, customers, and growth models, while maintaining the robustness and scale of Cato’s cloud-native architecture.

In this role, you will design and build backend systems that power new product capabilities, data-driven insights, and platform extensions. You will work on highly scalable services that process, analyze, and expose data across large, distributed networks, and collaborate closely with multiple teams to turn product vision into production-ready solutions.

Responsibilities

• End-to-end development of backend services, from large-scale data processing to APIs and web-facing interfaces


• Designing and implementing scalable platform capabilities that support new product growth and expansion initiatives


• Building reliable, high-performance systems for collecting, aggregating, and analyzing statistics across multiple networks


• Working closely with product management, research, and automation teams to define and deliver new capabilities


• Researching, evaluating, and adopting new technologies to accelerate product evolution


• Collaborating with multiple development teams to integrate new solutions into the existing platform

Requirements

• 6+ years of experience in backend development (Java, Go, Play Framework, Spring Boot, or similar)


• Strong experience with both relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis, etc.)


• Proven experience building and operating high-scale, production-grade SaaS microservices


• Solid understanding of software engineering principles, system design, and scalability


• Experience designing and implementing secure, enterprise-grade systems


• Hands-on experience with CI pipelines and service-level testing and monitoring


• Frontend experience with React and TypeScript – an advantage


• BSc. in Computer Science from a recognized university


• Highly motivated, fast learner, independent, and an excellent problem solver

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