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Principal Software Engineer

PEXA Group

Job Location:

Thame - UK

Monthly Salary: Not provided by the employer

Posted: 6 June 2026 (30+ days ago)

Application Deadline: 3 September 2026

Vacancies: 1 Vacancy

Job Summary

Hi were PEXA!

We know youll Google us before applying so lets keep this brief. PEXA revolutionised the way that property is settled in Australia turning a paper-based process into a digital one. Our solution is a world-first with over 500 people across Australia and an expanding international team were helping 20000 families into their homes each week.

Were passionate about solving problems for our customers always striving to set the standard for how property is bought and sold. Being awarded as one of the best places to work in Australia is a recognition of our culture and commitment to innovation customers and our community.

Were growing fast that is where you come in.

We believe our success in Australia is worth sharing and that our proven technology will advance how the UK buys and sells homes.

Establishing ourselves within the UK in late 2020 we are committed to collaborating with lawyers conveyancers lenders government and the property industry to set the new standard for both remortgages and buying and selling property.

Were looking for an exceptional Principal Engineer to help shape the future of engineering at PEXA UK.

This is one of the most influential technical roles within our organisation. Working closely with the UK CTO and engineering leadership team youll define technical strategy drive architectural decisions champion innovation and help build the engineering capabilities that support our next phase of growth.

As a technical leader youll operate across multiple teams influencing engineering direction at an organisational level rather than within a single product or platform. Youll mentor engineers establish engineering standards evaluate emerging technologies and ensure were building secure scalable and resilient solutions that deliver outstanding customer outcomes.

Youll also play a key role in advancing how we leverage AI across both our products and engineering practices helping PEXA stay at the forefront of technology innovation.

What Youll Be Doing

Technical Strategy & Architecture

Define and execute engineering strategy across multiple teams and domains.
Drive architectural decisions that balance business priorities scalability security and long-term sustainability.
Design solutions that support future growth and evolving customer needs.
Identify and address technical risks across the organisation.

Engineering Excellence

Establish and evolve engineering standards best practices and quality frameworks.
Drive improvements in performance reliability security and developer productivity.
Champion modern software engineering principles and continuous improvement.
Support the evolution of platform infrastructure and service architecture.

AI & Emerging Technology

Lead the evaluation and adoption of emerging technologies and AI capabilities.
Drive the integration of AI tools and practices that enhance engineering effectiveness.
Explore and implement modern AI-powered development workflows coding assistants and agentic systems.
Help shape PEXAs approach to AI innovation and organisational adoption.

Leadership & Mentorship

Mentor and coach engineers across all levels from emerging talent to senior technical leaders.
Foster a culture of technical excellence curiosity and continuous learning.
Lead technical discussions knowledge-sharing initiatives and engineering communities of practice.
Contribute to hiring and technical assessment processes.

Collaboration & Business Impact

Partner with Product Design and Business leaders to align technical strategy with organisational goals.
Translate business objectives into technical roadmaps and engineering outcomes.
Influence decision-making at executive level through clear communication and technical insight.
Represent PEXA externally within the technology community and industry forums.

About You

Youre a highly experienced technologist who combines deep technical expertise with strategic thinking and business acumen.

You thrive on solving complex problems at scale influencing engineering direction and helping others grow.

Youll bring:

Significant experience designing and delivering large-scale distributed systems.
A track record of defining technical strategy and driving organisation-wide engineering outcomes.
Strong experience working across multiple teams platforms and stakeholders.
Proven ability to balance technical excellence with commercial priorities.
Exceptional communication skills and the ability to influence at all levels of the organisation.

Technical Expertise

Youll bring deep expertise across modern software engineering practices and technologies including:

Python and Kotlin
Modern frontend technologies
Cloud platforms such as AWS and Azure
Microservices and distributed architectures
Containerisation and cloud-native development
Security architecture and secure software development practices
Performance scalability and reliability engineering

Youll also have a strong interest in the rapidly evolving AI landscape including:

AI-assisted software development tools such as GitHub Copilot Claude Cline and Amazon Q
Agentic AI frameworks and orchestration platforms
Modern approaches to context engineering and AI-enhanced developer productivity
Evaluating and adopting emerging AI technologies within engineering organisations

Nice to Have

Experience within financial services property technology or other regulated industries.
Exposure to DevSecOps Site Reliability Engineering (SRE) or Platform Engineering environments.
Knowledge of AI frameworks and technologies including Anthropic Claude LangGraph Hugging Face LiteLLM or Pydantic AI.

100000 - 120000 a year

Benefits for PEXA employees include

Annual Leave: 25 days per year (Jan-Dec) increasing to 27 days after 5 years plus Bank Holidays (pro-rata for part-time). Annual Leave Purchase: Option to purchase up to 1 working week of additional leave. Wellness Days: 4 paid days per year to rest and recharge (pro-rata for part-time). We kindly ask you take 1 per quarter. Paid Volunteer Day: 1 paid day per year to volunteer at a charity of your choice. Pension scheme (Aviva): 6% employer contribution 4% employee contribution. Life Assurance: 4x basic salary. Health Flex Pot via Benifex: 800 flexible benefit to spend on health options of your choice including: Private Health Insurance / Health Cash Plan / Dental Plan / Health Assessments. Additional Benifex perks: Voluntary opt-in for additional benefits including Activity Pass discounts via Perkbox Beauty and Fitness Discount Card Cycle to Work Motor Breakdown Will Writing or enhance your cover of benefits provided by company. Critical Illness Cover: 1x basic salary. Group-wide Equity Plan: Eligibility for participation in our Group-wide employee share plan subject to annual invitation. Enhanced Maternity/Adoption Pay: Up to 20 weeks full pay. Enhanced Paternity Pay: Up to 4 weeks full pay. Performance-based Incentive Scheme: Eligibility for a discretionary Short Term Incentive plan based on job role and level. Learning & Development: Access to LinkedIn Learning reimbursement of your professional membership costs. Additional: Access to our Employee Assistance Programme and wellbeing resources eye test vouchers and VDU glasses contribution. Office Space: Use of our PEXA office workspaces in Leeds and Thame. Our new Leeds office is in West Village managed by Bruntwood SciTech and allows you access to Bruntwood hosted local events.

Why become a PEXArian

Great question! Being a PEXArian is so much more than just a job. Were a passionate motivated and unashamedly enthusiastic bunch at PEXA we love what we do and were proud to admit it! Creating brilliant experiences for our members and their clients wouldnt be possible without ensuring we deliver an exceptional employee experience.

Heres a snapshot of what your life at PEXA could look like:

Your growth:

We encourage you to hit your personal and professional learning and development goals with our tailored programs and tools.

Your wellness:

We care about your holistic wellbeing

Your work/life blend:

We know that work is just one aspect of your life we want to help you create your ideal work/life blend rather than squeezing in life around work.

Sounds like you

We at PEXA are ready so if this role sounds like you apply today.

To be conducted as part of post offer employment checks:

The personal information we have collected from you will be shared with Cifas who will use it to prevent fraud other unlawful or dishonest conduct malpractice and other seriously improper conduct. If any of these are detected you could be refused certain services or employment. Your personal information will also be used to verify your identity. Further details of how your information will be used by us and Cifas and your data protection rights can be found at Cifas.

GDPR Compliance

Digital Completion UK Limited (trading name PEXA) Optima Legal Services Limited (trading name Optima Legal) and Smoove Limited (a holding company which comprises of the following wholly owned trading Subsidiary companies: United Legal Services Limited Legal-Eye Limited and Amity Law Limited) are all owned directly by DigCom UK Holdings Limited which is a wholly owned Subsidiary of PEXA Group Limited in Australia (ACN; ASX: PXA) (referred to collectively as PEXA Group).

When we processyour applicant personal data for recruitment purposes we do so as a controller. If as part of the recruitment process we share your personal data with anothercompany within thePEXA Group that company may process your personal data as either an independent controller or in certain circumstances a joint controller. By applying for this role you consent to us processing your personal data in accordance with the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018 and further information can be found in our privacy notice Experience:
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