Principal Data Engineer

Principal Data Engineer (Fixed Term Contract)

Remote (UK only)

The Opportunity

Are you ready to shape the future of data engineering at scale? We’re looking for a Principal Data Engineer to join our high-performing Data Engineering team - a role ideal for experienced, hands-on professionals who thrive on technical leadership, innovation, and delivery. As a 100% data-driven company, we pride ourselves on engineering excellence and delivering impactful solutions to our clients.

Reporting directly to the Head of Data Engineering, you will play a crucial role in driving the team’s vision and objectives to completion. You will be expected to provide technical leadership, own the solution, ensure the reliability of data products, and collaborate closely with your team and customers to optimise data solutions.

This is a unique opportunity for a highly skilled, energetic and motivated Senior Lead in Data Engineer with deep hands-on expertise in data engineering and architecture, a strong coding background, and a strategic mindset — someone who can balance technical depth with delivery focus and data analytical leadership.

In this role, you will:

• Technical Leadership: Assist the Head of Data Engineering in overseeing the design, development, and optimisation of data software, data infrastructure and pipelines.
• Team Technical Leadership: Lead and mentor a team of talented data experts, both permanents and contractors, to deliver cutting-edge solutions, ensuring that best practices in data engineering and software development are followed. Lead by example. Be hands-on.
• Hands-On Delivery: Lead by example - contribute directly to technical challenges, write high-quality code, and guide architectural decisions.
• Data Strategy, Solutions & Ownership: Own the technical roadmap, aligning engineering efforts with business goals and ensuring timely delivery, quality control, and innovation. Inspire the team by providing a clear vision for technical excellence and innovation in the data engineering strategy.
• Cloud: Optimise cloud-based data solutions, storage and processing systems, with hands-on experience in AWS and on-prem services.
• Technical Excellence: Lead the pursuit of technical excellence by championing best practices automatisations and optimisation, in coding, architecture, and performance. Foster a team culture focused on continuous improvement, where learning is encouraged.
• Collaboration: Work closely with the customers, PMO, and business stakeholders to deliver high-impact, cost-effective solutions.
• Assemble Large, Complex Data Sets: Craft and manage data sets that meet both functional and non-functional business requirements, ensuring high data quality and integrity.
• HMLR Long-Term Programme: As your first major engagement, you will contribute to the HM Land Registry (HMLR) programme, expected to run through to the end of 2028. This is one of the UK Government’s largest and most ambitious digital data transformation initiatives, aiming to consolidate all Local Authority Land Charge registers across England and Wales into a single, centralised Land Registry-maintained system. You will empower the engineering team to deliver innovative solutions while fostering a collaborative and inclusive environment. As a mentor, you will support Data Engineers and Data Analysts in overcoming technical challenges and ensuring timely, high-quality delivery.

About You

We're looking for a passionate, technically strong leader who can inspire and elevate those around them. You’ll bring:

• Depth of Expertise: seasoned hands-on experience in data engineering, with a track record of leading complex data engineering initiatives at scale. Extensive experience in designing, implementing, and optimizing data solutions, supported by a history of successfully managing technical teams and delivery of data projects.
• Exceptional coding skills.
• Degree in Computer Science, Software Engineering, or similar (applied to Data. Data Specialisation).
• Extensive experience in Data Engineering and Data Analytics
• Expert knowledge in data technologies and data transformation solutions and tools.
• Strong analytical and problem-solving abilities.
• Good understanding of Quality and Information Security principles.
• Effective communication, ability to explain technical concepts to a range of audiences
• Able to provide coaching and training to less experienced members of the team
• Essential skills:
• Programming Languages such as Spark, Java, Python, PySpark, Scala, etc (minimum 2)
• Extensive Data Engineering and Data Analytics hands-on experience (coding/configuration/automation/monitoring/security/etc)
• Significant AWS hands-on experience (coding/configuration/automation/monitoring/security)
• Technical Delivery Manager skills
• Geospatial data experience
• FME
• Advanced Database and SQL skills
• Certifications AWS or FME certifications are a plus.
• Nice to have skills:
• Experience with ETL tools such as AWS Glue, Azure Data Factory, Databricks, etc.

Join us and lead the charge in transforming the data landscape at Landmark, while advancing your career in a dynamic and forward-thinking environment.

What it's like to work at Landmark:

At Landmark, you'll find a friendly, dynamic, and supportive team that values bold ideas, big dreams, and active curiosity. We foster a culture of innovation, encouraging everyone to contribute to the development and direction of our products and services, while continuously seeking new and efficient ways to work.

Collaboration and sociability are at the heart of what we do, and we take pride in coming together to achieve great things.

We offer a range of benefits to support your well-being and career growth, including:

• Competitive Salary
• Generous Holiday Allowance: 25 days' holiday plus bank holidays, with the option of adding up to 5 additional unpaid leave days per year
• Annual Lifestyle Allowance: £300 to spend on an activity of your choice
• Pension Scheme: Matched up to 6% for the first 3 years, and up to 10% thereafter
• Private Health Insurance: Provided by Vitality
• Group Income Protection Scheme
• Charitable Fundraising: Matched funding for your efforts
• Cycle to Work and Gym Flex Schemes
• Internal Coaching and Mentoring: Available throughout your time with us
• Training and Career Progression: A strong focus on your development
• Family-Friendly Policies
• Free Parking

Join us at Landmark and be part of a team that supports your ambitions and growth, both personally and professionally.

About Us

Landmark Information Group holds a wide portfolio of market leading Prop-Tech (property technology) businesses that span an incredible range of markets and technology platforms across the sector.  We are at the forefront of innovation and thought leadership in the property industry, being a supplier of national property-related data.

We deliver award-winning solutions to estate agency, conveyancing, surveying, lender valuations, land asset management, environmental consultancy, and Government markets.  This is a chance to join the organisation as we make major steps forward in leveraging the latest cloud and large-scale technologies to start bringing together the entire market to a unified platform.

We are proud to be an equal opportunities employer.  We celebrate diversity and are committed to creating an inclusive environment for all employees.