Principal software engineer Work, Jobs in Harwell (with Salaries)

Principal Software Engineer - Python
Procode Technology Limited —Oxford
- £65,000 a year
- Hybrid work
- Azure
- AWS
- APIs
- Annual leave
- Employee assistance programme
Principal Software Engineer - UK
DISCO —Reading
- Remote
- Azure
- AWS
- APIs
ASIC Digital Design, Principal Engineer
Synopsys —Reading
- Analysis skills
- Communication skills
13d
Principal Planning Engineer - PSC
Wood —Reading
- Full-time
- Engineering
- Project management
- Presentation skills
12d
Principal Structural Engineer – Rail, Bridges & Civil Structures
Vulcain Engineering Group —Basingstoke
- Hybrid work
- Leadership
- Communication skills
- Flexible schedule
Tech Practice Principal - Backend Lead
AND Digital —Reading
- Full-time
- Hybrid work
- Azure
- Team management
- Software development
Quick apply
Civil Ports & Maritime Engineer
Amentum —Reading
- Full-time
- Hybrid work
- Civil engineering
- Engineering
- Master's degree
- Employee assistance programme
- Flexible schedule
6d
Principal Civil Engineer
AFRY —Oxford
- Full-time
- Hybrid work
- AutoCAD
- CAD
- Engineering
- Flexible schedule
Quick apply
Senior Mechanical/Product Engineer
Oxford Flow —Witney
- Full-time
- Hybrid work
- Engineering
- Presentation skills
- Communication skills
- Work from home
Tech Practice Principal - Infrastructure / Security Lead
AND Digital —Reading
- Full-time
- Hybrid work
- Azure
- Team management
- Software development
Quick apply
Principal Water Quality Scientist/ Modeller
AECOM —Basingstoke
- Full-time
- Hybrid work
- Master's degree
- Project management
- Scripting
Principal Transport / Development Planner (Development)
WSP —Basingstoke
- Part-time
- Hybrid work
- Business development
- Project management
- Communication skills
- Flexitime
- Work from home
QA Automation Engineer
RM Education Limited —Abingdon
- Hybrid work
- Contracts
- APIs
- Agile
- Annual leave
Senior/Principal R&D Electronics Engineer
Siemens Healthineers —Oxford
- Full-time
- Hybrid work
- Mentoring
- Communication skills
- Annual leave
8d
AI Engineer
VodafoneThree —Newbury
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Master's degree
- Employee discount
Quick apply
3d
Civil Ports & Maritime Senior/Principal Engineer
Amentum —Reading
- Full-time
- Hybrid work
- Civil engineering
- Continuous improvement
- Mentoring
- Employee stock purchase plan
- Annual leave
Principal Hydrologist
AECOM —Basingstoke
- Full-time
- Hybrid work
- Engineering
- Data analysis skills
- Master's degree
Principle Site Reliability Engineer (Remote)
Collins Aerospace —Wokingham
- Full-time
- Hybrid work
- Azure
- System design
- SQL
- Annual leave
Lead Machine Learning Engineer
AIOI NISSAY DOWA INSURANCE MANAGEMENT LIMITED (ANDIM) —Oxford
- Full-time
- Hybrid work
- Doctoral degree
- Computer Science
- Maintenance
- Annual leave
- Employee assistance programme
6d
Functional Safety Architect (f/m/d)
Renesas Electronics —Swindon
- Full-time
- Engineering
- Master's degree
- Bachelor's degree
Quick apply
8d

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Principal Software Engineer - Python

Procode Technology Limited -
Oxford

Apply Now

Job details

£65,000 a year

Benefits

On-site gym
Annual leave
Company pension
Employee assistance programme
Paid volunteer time
Car scheme

Qualifications

Jira
Azure
AWS
Terraform
Scrum
GitHub
APIs
Python

Full job description

Principal Software Engineer - Python

Title: Principal Software Engineer – Python
Department: Procode IT
Location: Hybrid – Commutable distance of either Chandlers Ford or Oxford
Salary: Circa £65k + Discretionary Bonus Scheme
Sponsorship: Unfortunately, we are unable to offer sponsorship for this role

If you're a Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and crafting Python‑powered solutions that make a real impact to customers, then this might be the role for you!

Step into a role where your technical vision truly shapes the future!

About us

We are a leading UK technology company delivering transformative, data driven solutions for the energy sector and beyond. With two decades of experience, we help organisations unlock the power of smart data to improve efficiency, reduce cost to serve, and enhance customer experience.

Trusted by millions of households and major industry partners, our innovative platforms and energy data management solutions support a smarter, more sustainable future. Our passionate team of problem solvers is committed to building technology that truly makes a difference, and our promise is to put customers at the heart of everything we do.

What does this role involve?

As a Principal Software Engineer, you’ll join an Agile team united by curiosity, collaboration, and the belief that great technology can truly make a difference.

You’ll work with Python, AWS, and MariaDB to design and develop systems that keep pace with fast‑moving business needs.

You’ll make key architectural decisions, drive technical strategy, and lead the engineering evolution of a platform used across the organisation.

You’ll also play a central role in coaching and mentoring engineers, helping to build a culture where innovation thrives and quality is non‑negotiable. And as our product team grows, you’ll have the opportunity to step into leadership, guiding the next generation of engineering talent.

Who are we looking for?

We are looking for someone who brings a deep love for Python, AWS, and modern development practices into every conversation, every design session, and every piece of code.

You’ve guided technical direction before, steering architectural decisions and elevating engineering standards. You enjoy uncovering new approaches, experimenting with fresh ideas, and finding better ways to build.

What truly sets you apart is your willingness to share what you know. You take time to mentor others, celebrate their growth, and help them navigate challenges. You recognise that great products come from great people.

Agile environments energise you. You understand how Scrum can bring structure and freedom at the same time, and you adapt quickly to changing needs.

When a complex problem appears, you never shy away. You listen, you question, you clarify, and you bring solutions that make sense to both engineers and non‑technical stakeholders alike.

And what is the technical environment?
This includes: Python software engineering, AWS, Terraform, Jira, GitHub (with Copilot). CI/CD Pipelines, Azure APIM, Rest APIs, Microservices, Grafana, Agile, Event Driven Architecture

This role may involve on-call working on a rota basis (24/7)

To be successful in this role you may be required to pass an enhanced security vetting process.

Benefits - available from day one!

Bonus Scheme, made up of personal and company elements.

Career progression, we’re an expanding organisation.

25 days annual leave plus bank holidays.

Pension scheme, company contribution at 4% of your salary when you contribute 5%.

Our Chandlers Ford office offers access to a free, fully equipped onsite gym, along with showers and changing facilities.

The opportunity to win tickets to major outdoor events including, gigs and shows at arenas around the UK.

We offer an EV car scheme. Qualifying terms and conditions apply.

A health care scheme that includes dental, eye care, treatments, and diagnostics health consultations.

Death in service – we pay three times your annual salary to your designated next of kin, giving them peace of mind should you sadly pass away during service.

Employee Assistance Programme with access to counselling support, legal and financial advice 24/7 365 days a year, as well as a GP line and Your Care.

We also offer all our staff a paid volunteering day every year. Plus, the chance to be involved in various fund-raising opportunities.

Our employees, just like our customers come from all walks of life, and we’re fuelled in championing diversity, inspiring an inclusive culture, and enabling an environment where you can be your authentic self.

The Luxion Group comprises of the following companies – Luxion Group Ltd, Utilita Energy Ltd, Luxion Sales Ltd, Utilita Field Services Ltd, Procode Technology Ltd and Canary Care Global Ltd.

#LI-SG1 #LI-Hybrid

Apply Now

Refine Your Search

principal software engineer jobs in harwell

Principal Software Engineer - Python

Principal Software Engineer - UK

ASIC Digital Design, Principal Engineer

Principal Planning Engineer - PSC

Principal Structural Engineer – Rail, Bridges & Civil Structures

Tech Practice Principal - Backend Lead

Civil Ports & Maritime Engineer

Principal Civil Engineer

Senior Mechanical/Product Engineer

Tech Practice Principal - Infrastructure / Security Lead

Principal Water Quality Scientist/ Modeller

Principal Transport / Development Planner (Development)

QA Automation Engineer

Senior/Principal R&D Electronics Engineer

AI Engineer

Civil Ports & Maritime Senior/Principal Engineer

Principal Hydrologist

Principle Site Reliability Engineer (Remote)

Lead Machine Learning Engineer

Functional Safety Architect (f/m/d)

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