Software Engineer III: Secure, Scalable Web Apps

Relx Plc; Richmond (VA); Hybrid; USD 95,000 - 125,000; Full time

Job summary

RX Global is seeking a Software Engineer III to deliver production-grade software within well-defined components. You will work with guidance from senior engineers to create secure, reliable systems and improve engineering quality across the product.

The role involves collaboration, documentation, and mentoring peers in a dynamic cross-functional team. You will apply SOLID principles, design patterns, and modern web technologies (React, Vite, REST, GraphQL) while leveraging AWS, CI/CD, and

Qualifications

• Experienced professional software engineer.
• 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.
• Familiarity with SOLID, design patterns, API design, DDD, and event-driven architectures.
• Experience building modern web apps with React, Vite, REST and GraphQL.
• Experience developing cloud-native apps on AWS; CI/CD, DevSecOps, observability tools.

Responsibilities

• Produce clear technical documentation following RX architectural principles.
• Build software with performance, resilience, extensibility, and security in mind.
• Apply testing strategies that support deployment confidence and SLAs.
• Contribute to code quality improvements and development workflows.
• Write clean, maintainable code and participate in peer reviews.
• Support operational health of services including monitoring and incident response.
• Maintain runbooks and knowledge for owned components and reduce technical debt.
• Share knowledge and mentor junior engineers where appropriate.

Skills

C# / .NET

JavaScript / TypeScript (React)

SQL (PostgreSQL)

Agile development

SOLID principles

DDD

Event-driven architectures

Tools

React

Vite

REST

GraphQL

AWS

GitHub Actions

Splunk

Mixpanel

GitHub Copilot

Amazon Bedrock

Job description

RX Global is seeking a Software Engineer III to deliver production-grade software within well-defined components. You will work with guidance from senior engineers to create secure, reliable systems and improve engineering quality across the product.

The role involves collaboration, documentation, and mentoring peers in a dynamic cross-functional team. You will apply SOLID principles, design patterns, and modern web technologies (React, Vite, REST, GraphQL) while leveraging AWS, CI/CD, and