Principal Engineer / Architect

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Principal Engineer / Architect

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Leeds (Hybrid - 2 days per week in office)
£70,000 - £80,000 + strong pension + private healthcare
My client is continuing to expand their SaaS platform and is now seeking a Principal Engineer / Architect to take ownership of the technical direction, architectural evolution and innovation strategy. This is a senior, hands-on technical leadership role focused on ensuring the platform remains scalable, maintainable and performant as the organisation grows. You will work across all engineering teams to define architectural standards, guide complex technical decisions and lead initiatives that strengthen performance, reliability, technical sustainability and innovation.
What will you do in the role?
Architecture Governance
Define and maintain system architecture standards
Guide the evolution of platform architecture
Support major technical decisions across engineering teams
Review and approve complex technical designs
Technical Debt and Modernisation
Define and maintain a technical debt roadmap
Lead initiatives such as frontend modernisation and system restructuring
Improve the long-term maintainability of the platform
Performance Engineering
Identify and resolve system performance bottlenecks
Lead database performance optimisation efforts
Improve platform scalability and reliability
Technical Leadership
Mentor developers and Team Leads
Support problem-solving for complex technical challenges
Promote best practices in software design and development
Platform Collaboration
Work closely with Platform Engineers on infrastructure improvements
Enhance CI/CD architecture and deployment processes
Improve system monitoring and observability
Data and Innovation
Support development of data platform capabilities (e.g., ClickHouse, ElasticSearch)
Explore AI and automation opportunities within the platform
Drive innovation aligned with organisational needs
Research and Development
Define and lead the technical R&D strategy
Identify and evaluate emerging technologies, tools and architectural approaches
Run proofs-of-concept to validate new ideas
Translate R&D findings into deliverable capabilities
Establish structured experimentation with clear success criteria
Keep the organisation informed of relevant technology trends
Contribute to a culture of continuous improvement and innovation
What skills and experience will you already have?
Essential
6+ years' experience in software development
Experience designing and evolving large-scale systems
Strong background in .NET and cloud-based architectures
Experience with performance tuning and optimisation
Degree in Computer Science or equivalent experience
Deep understanding of software architecture principles
Strong coding ability (C#, SQL, etc.)
Experience with system integration patterns
Strong analytical and problem-solving skills
Ability to balance innovation with delivery needs
Strong ability to assess new technologies and communicate trade-offs
Strong understanding of performance optimisation techniques
Experience with modern frontend frameworks (e.g. React)
Desirable
Experience with AWS
Experience with distributed systems
Experience with data platforms or analytics systems
Experience contributing to R&D or innovation initiatives
Experience evaluating and prototyping new technologies
Exposure to AI/ML and emerging technology trends
Experience introducing new technologies into production environments
Personal Qualities
Highly analytical and detail-oriented
Strong technical leadership presence
Ability to influence without direct authority
Passion for engineering excellence
Pragmatic and outcome-focused
Curious and forward-thinking mindset
Comfortable operating in ambiguity
Strong commercial awareness when assessing innovation
If you're looking for a senior technical leadership role where you can shape architectural direction, modernise a growing platform and lead high-impact engineering initiatives, please apply to find out more. xbpsjku
Please note: Sponsorship is not available for this role. Applicants must already have the right to work in the UK.
We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.
Apply
Location:
Leeds
Job Type:
FullTime
Category:
Construction And Property

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