Principal software engineer Work, Jobs in Sutton, Eng (with Salaries)

Principal Software Engineer
Simple Machines —London
- Full-time
- Hybrid work
- Agile
Quick apply
Principal Software Engineer, FDE
Microsoft —London
- £93,500 - £161,800 a year
- Full-time
- Computer Science
- Master's degree
- Bachelor's degree
8d
Principal Software Engineer
AALTO —Farnborough
- Full-time
- Mentoring
- Python
- Employee assistance programme
- Employee discount
Quick apply
3d
Senior Software Engineer
Investa —London
- £85,000 - £105,000 a year
- Full-time
- Hybrid work
- Annual leave
Quick apply
Principal Software Engineer
Collinson —London
- Hybrid work
- Salesforce
- AWS
- Mentoring
Principal Software Engineer - UK
DISCO —London
- Remote
Principal Software Engineer - Product Platforms
AlphaSense —London
- Remote
- Mentoring
- APIs
- AI
Principal Software Engineer- Data Platforms
IDBS —Woking
- Full-time
Principal Forward Deployed Engineer
Okta —London
- £114,000 - £172,000 a year
- Remote
- Travel
- AI
Quick apply
Principal Software Architect
Appvia —London
- £80,000 - £100,000 a year
- Full-time
- Hybrid work
- Java
- AWS
- JavaScript
- Employee assistance programme
- Flexible schedule
Quick apply
Principal Software Engineer - C#
TP ICAP —London
- Full-time
- Computer Science
- Engineering
- Mentoring
Principal Software Engineer / Principal AI Engineer
Elsevier —London
- Full-time
- Computer Science
- Engineering
- Master's degree
- Employee assistance programme
- Employee discount
Principal Product Engineer (Software)
Automata —London
- AI
- Employee assistance programme
13d
Principal Solution Engineer, Aero & Defence
Salesforce —London
- Full-time
- Salesforce
- Master's degree
- Travel
Principal Software Engineer / Principal AI Engineer
RELX —London
- Full-time
- Computer Science
- Engineering
- Master's degree
- Employee assistance programme
- Employee discount
Principal Software Engineer - Platform Engineering - Accelerator Business
JPMorganChase —London
- Full-time
- Bachelor's degree
- Mentoring
- AI
Senior Principal Engineer (iOS)
Trainline —London
- £110,000 - £130,000 a year
- Full-time
- Hybrid work
- Mentoring
- Leadership
- Communication skills
Principal Software Engineer - Full Stack Python/AWS - Executive Director
JPMorganChase —London
- Full-time
- Master's degree
- AWS
- Machine learning
Principal Software Engineer: Cloud Platform
Radiant —London
- Full-time
- Hybrid work
- Machine learning
- Mentoring
- AI
- Annual leave
Quick apply
Analytics Forward Deployed Engineer Principal
Salesforce —London
- Full-time
- Salesforce
- Scripting
- AI

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principal software engineer jobs near sutton, eng

Principal Software Engineer

Simple Machines
London

Quick apply

Job details

Full-time

Qualifications

Kotlin
Cloud infrastructure
Cassandra
Stakeholder collaboration
Kubernetes orchestration
NoSQL
Git
Test-driven development
Cloud engineering experience
Docker
CI/CD pipelines
Scala
Terraform
Back-end development
Redux
Data pipeline
Technical writing
Agile
Front-end development
Web services
Multidisciplinary collaboration
Unit testing
Design documentation
DynamoDB
Business requirements
DevOps implementation
Play Framework
Infrastructure provisioning automation
Terraform provisioning

Full job description

Principal Software Engineer - Simple Machines
Hybrid · Full-time · London, UK

About Simple Machines

Simple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney and New Zealand. We operate at the intersection of data, AI, machine learning, data engineering, and software engineering—building bespoke platforms and products that turn complex data into real-world outcomes.

We work with enterprises, technology companies, and governments to help them better understand their organisations, customers, and citizens. Our teams design and build large-scale data platforms, intelligent systems, and high-impact software products.

We engineer data to life™.

Requirements

The Role

As a Principal Software Engineer, you’ll play a key role in delivering complex, scalable systems for ambitious clients. This is a hands-on engineering role where you’ll work across the full stack—backend services, APIs, frontend components, data pipelines, and cloud infrastructure.

You’ll collaborate closely with our internal engineering teams and client stakeholders, influencing technical direction while remaining deeply involved in design and delivery. This role suits someone who enjoys solving hard problems, owning outcomes end-to-end, and operating in a consultative engineering environment.

What You’ll Be Doing

Design and build backend services for a highly scalable marketing platform
Own the design of APIs, applications, and supporting infrastructure
Document technical designs and requirements clearly for both internal teams and clients
Deliver solutions end-to-end: build, automate, deploy, operate, and support
Partner with clients and delivery teams to translate business requirements into robust technical solutions
Work within an Agile, iterative delivery model
Collaborate in a hybrid setup with both remote and in-person team members and stakeholders

The Team

You’ll join a high-performing engineering team working on a large-scale machine learning platform for a global telecommunications client.

The team operates with a high degree of autonomy and shared ownership. Engineers work across the full stack, support one another’s growth, and collaborate closely with data scientists and adjacent teams to design cross-system solutions.

Strong engineering culture, real influence, and meaningful problems to solve.

Benefits

What We’re Looking For

Core Experience

Strong foundation in JVM-based development (Kotlin preferred, Java welcome)
Experience designing and implementing data-driven APIs
Background working on large-scale web services
Solid SQL experience, including schema design and performance-aware queries
Deep experience with automated testing (unit, integration; TDD/BDD preferred)

Frontend & Full Stack Exposure

Experience with React, TypeScript, Redux, and Tailwind (or similar modern frameworks)

Cloud & Infrastructure

Experience with AWS, GCP, Azure, or similar
Infrastructure-as-code (Terraform, CloudFormation, etc.)
Containerised deployments using Docker, ECS, Kubernetes, or equivalent

Nice to Have

Exposure to Scala or functional programming concepts
Experience with asynchronous and highly concurrent backend frameworks (e.g. Ktor, http4k, Play, RxJava)
NoSQL experience (DynamoDB, Cassandra, BigTable, Cosmos DB, etc.)
Strong Git workflow experience and the ability to adapt workflows to project needs
A genuine appetite for learning and adopting new technologies quickly

Quick apply

Refine Your Search

principal software engineer jobs in sutton, eng

Principal Software Engineer

Principal Software Engineer, FDE

Principal Software Engineer

Senior Software Engineer

Principal Software Engineer

Principal Software Engineer - UK

Principal Software Engineer - Product Platforms

Principal Software Engineer- Data Platforms

Principal Forward Deployed Engineer

Principal Software Architect

Principal Software Engineer - C#

Principal Software Engineer / Principal AI Engineer

Principal Product Engineer (Software)

Principal Solution Engineer, Aero & Defence

Principal Software Engineer / Principal AI Engineer

Principal Software Engineer - Platform Engineering - Accelerator Business

Senior Principal Engineer (iOS)

Principal Software Engineer - Full Stack Python/AWS - Executive Director

Principal Software Engineer: Cloud Platform

Analytics Forward Deployed Engineer Principal

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