Intermediate Software Engineer

RX Global; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

RX Global seeks a Software Engineer III to deliver production-quality software within well-defined components, guided by senior engineers. You will contribute to secure, maintainable systems and help improve engineering quality, operations, and collaboration.

You will work with React, .NET, and PostgreSQL, in an Agile team, applying SOLID principles and modern web technologies, including AWS, CI/CD, and observability tools. RX Global values secure, scalable software and team growth.

Qualifications

• Proficient in C# (.NET), JavaScript/TypeScript (React) and SQL (PostgreSQL).
• Experience in Agile cross-functional product development teams.
• Ability to translate ambiguous requirements into scalable solutions.
• Knowledge of SOLID, design patterns, API design, DDD and event-driven architectures.
• Experience building modern web apps with React, Vite, REST and GraphQL.
• Experience on AWS with testing, DevSecOps, CI/CD (GitHub Actions).
• Familiar with observability tools like Splunk and Mixpanel and AI-assisted development tooling.

Responsibilities

• Produce clear technical documentation using RX architectural principles.
• Build software with performance, resilience, extensibility, and security foundations.
• Apply testing strategies aligning with deployment and operational guidelines.
• Contribute to incremental code quality and workflow improvements.
• Write clean, maintainable code and participate in peer reviews.
• Support operational health including monitoring, diagnostics, and incident response.
• Maintain runbooks and knowledge for owned components; help reduce technical debt.
• Share knowledge and mentor junior engineers where appropriate.

Skills

C# (.NET)

JavaScript/TypeScript (React)

SQL (PostgreSQL)

Agile

Requirements analysis

SOLID

Design patterns

API design

DDD

Event-driven architectures

React

Vite

REST

GraphQL

AWS

GitHub Actions

DevSecOps

Observability tools (Splunk, Mixpanel)

AI-assisted development (GitHub Copil)

Tools

React

Vite

REST

GraphQL

GitHub Actions

AWS

Splunk

Mixpanel

GitHub Copilot

Amazon Bedrock

Job description

Are you passionate about building reliable, secure, and scalable software that delivers meaningful outcomes for customers and the business? Do you enjoy collaborating with a talented engineering team, solving technical challenges, and continuously developing your expertise with modern technologies?

About Our Team

RX Global aims to create unforgettable experiences for attendees and exhibitors through organizing events. Innovation, creativity, and collaboration drive the company to offer exceptional services to clients.

About The Role

As a Software Engineer III, you will deliver production-quality software for well-defined components and features within a product or service. Working with guidance from senior engineers, you will contribute to secure, maintainable, and reliable systems while helping improve engineering quality, operational excellence, and team collaboration.

Responsibilities

• Produce clear technical documentation using the process for technical decision making and RX architectural principles.
• Build software with foundations in performance, resilience, extensibility, and security following Secure SDLC.
• Apply testing strategies that support deployment confidence and align with the Service and Operational agreements.
• Contribute to incremental improvements to code quality, testing, or development workflows.
• Write clean, maintainable code and participate actively in peer code reviews.
• Support the operational health of services and components, including monitoring, diagnostics, incident response, and service reliability.
• Maintain runbooks, documentation, and operational knowledge for owned components while contributing to reducing technical debt.
• Share knowledge with peers and support the onboarding or mentoring of junior engineers where appropriate.

Requirements

• Experienced professional software engineer.
• Proficient in C# (.NET), JavaScript/TypeScript (React), and SQL (PostgreSQL).
• Experience working in Agile cross-functional product development teams.
• Experience translating ambiguous requirements into scalable solutions.
• Working knowledge of SOLID, design patterns, API design, DDD, and event-driven architectures.
• Experience building modern web applications with React, Vite, REST, and GraphQL.
• Experience developing cloud-native applications on AWS; applying testing, DevSecOps, CI/CD (GitHub Actions), and Secure SDLC practices; working with observability and analytics tools such as Splunk and Mixpanel
• Experience using AI-assisted development tools such as GitHub Copilot, Amazon Bedrock, and agentic AI workflows.

Work in a Way That Works for You

We promote a healthy work/life balance across the organisation. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance, and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.

Working Pattern

Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive.

About The Business

RX is a global leader in events and exhibitions, leveraging industry expertise, data, and technology to build businesses for individuals, communities, and organisations. With a presence in 25 countries across 41 industry sectors, RX hosts approximately 350 events annually. RX is committed to creating an inclusive work environment for all our people. RX empowers businesses to thrive by leveraging data-driven insights and digital solutions. RX is part of RELX, a global provider of information-based analytics and decision tools for professional and business customers. For more information, visit http://www.rxglobal.com.

We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits.