principal software engineer Work, Jobs in richmond upon thames (with Salaries)

Principal Software Engineer
RELX —Richmond
- Full-time
- Computer Science
- System design
- Java
Principal Software Engineer
RX —Richmond
- Full-time
- Computer Science
- System design
- Java
Principal Software Engineer
Northrop Grumman —London
- £80,200 - £120,400 a year
- DevOps
- Java
- AWS
- Relocation assistance
Principal Software Engineer
BAE Systems —New Malden
- Up to £65,500 a year
- Hybrid work
- Mentoring
- Software development
Principal Software Engineer
Durlston Partners —London
- £150,000 - £260,000 a year
- Computer Science
- Java
- C++
Principal Software Engineer - AI Trainer - Freelance - 8-20hrs/week - Remote
10x Team —London
- £93 - £159 an hour
- Remote
- Software development
- AI
- SDLC
Quick apply
Principal Software Engineer
Ultra Electronics —Maidenhead
- Full-time
- Engineering
- Master's degree
- C++
- Flexible schedule
12d
Principal Software Engineer - 3 month contract
Collinson —London
- Hybrid work
- Salesforce
- DevOps
- AWS
Principal Software Engineer
Codurance —London
- £100,000 - £125,000 a year
- Full-time
- Hybrid work
- Travel
- IT
- Employee assistance programme
Quick apply
Principal Software Engineer- Data Platforms
IDBS —Woking
- Full-time
- AWS
- AI
Principal Software Engineer (AI)
IDBS —Woking
- Full-time
- Master's degree
- AWS
- APIs
- Annual leave
Principal Software Engineer
Microsoft —London
- Full-time
- Computer Science
- Java
- C++
13d
Principal Software Engineer
WeBuild-AI —London
- Hybrid work
- DevOps
- Mentoring
- AI
Quick apply
Principal Python Software Engineer
CBOE —London
- Full-time
- Computer Science
- Java
- SQL
- Employee stock purchase plan
- Employee assistance programme
Principal Software Engineer - London
Accenture —London
- Full-time
- Azure
- Java
- AWS
Principal Software Engineer
Aventum Group —London
- Full-time
- Hybrid work
- Azure
- Computer Science
- DevOps
Senior/Principal Software Engineer
Gemba Advantage —London
- £70,000 - £100,000 a year
- Hybrid work
- Java
- AWS
- Python
Quick apply
Principal Software Engineer
Collinson —London
- Hybrid work
- Salesforce
- DevOps
- AWS
Principal Software Engineer (Hybrid)
8th Light —London
- £92 - £122 a day
- Hybrid work
- Java
- SQL
- JavaScript
7d
Principal Software Engineer (Back-End)
TransitionZero —London
- £85,000 - £88,000 a year
- Hybrid work
- Mentoring
- Software development
- APIs
Quick apply
6d

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Principal Software Engineer

RELX -
Richmond

Apply Now

Job details

Full-time

Qualifications

Node.js
Computer Science
C#
System design
.NET
Java
Master's degree
AWS
Bachelor's degree
JavaScript
Distributed systems
APIs

Full job description

Are you excited to influence technical direction across teams while still contributing hands‑on to complex, high‑impact engineering challenges?

Do you want to shape domain architecture, mentor senior engineers, and connect technical decisions to real customer and business outcomes?

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 Principal Engineer, you will help teams do their best work by improving engineering practices, reducing delivery risk, and fostering a culture of trust, learning, and high standards. You will lead through influence, collaborate across disciplines, and connect technical decisions to meaningful customer and business outcomes.

This role combines technical leadership, hands-on contribution, and partnership with product, engineering, and architecture leaders. We value different career paths and welcome candidates who bring varied experiences and perspectives.

Responsibilities:

Own the technical direction and long-term health of a critical business domain spanning multiple delivery teams.
Act as the senior hands-on technical authority, setting a high bar for architecture, security, reliability, and maintainability.
Shape and co-own a 12–24 month domain technical roadmap with Product and Engineering leadership.
Drive sound architectural decisions and trade-offs across scalability, resilience, cost, and time-to-market.
Define and evolve domain architecture, service boundaries, and integration patterns that enable team autonomy.
Influence and align teams through strong engineering judgement, data, and clear communication rather than authority.
Lead complex technical initiatives including system modernisation, risk reduction, and legacy decommissioning.
Raise the engineering bar by mentoring senior engineers and emerging technical leaders.
Take hands-on ownership of high-risk or high-impact technical work when it matters most.
Champion operational excellence, including reliability, observability, incident learning, and cloud cost optimisation.

Requirements:

Proven experience as a senior or principal engineer leading technical
outcomes across multiple teams or services.
Strong polyglot background (e.g., C#/.NET, Java, JavaScript/Node) and ability to choose fit-for-purpose technologies.
Deep expertise in software architecture and distributed systems design.
Strong engineering judgement with the ability to clearly explain and balance complex technical trade-offs.
Experience designing and evolving APIs, events, and data ownership in large-scale systems.
Track record of modernising legacy systems and moving toward cloud-native architectures.
Strong experience building secure, scalable, and resilient cloud-based solutions (AWS or equivalent).
Experience influencing architectural change and driving alignment across engineering and product partners.
Solid understanding of testing strategies, CI/CD, and operational reliability practices.
Bachelor’s/Master’s degree in Computer Science (or related field) or equivalent practical experience.

Work in a way that works for you:

We promote a healthy work/life balance and provide various well-being initiatives, shared parental leave, study assistance, and sabbaticals to help you meet both your immediate responsibilities and long-term goals.

About the business:

RELX is a global provider of information-based analytics and decision tools for professional and business customers.

RELX serves customers in more than 180 countries and has offices in about 40 countries. It employs more than 36,000 people over 40% of whom are in North America. The headquarters is in London. The market capitalization is about £60bn ($80bn), making it one of the 10 largest listed companies in the UK. The company is listed on the London Stock Exchange, Euronext and NYSE.

The company has four market segments. It develops information-based analytics and decision tools for professional and business customers in the Risk, Scientific, Technical & Medical, Legal, and Exhibitions sectors.

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

We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

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Please read our Candidate Privacy Policy .

We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.

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