Principal Data Architect Job at Datatonic (London)

Principal Data Architect

Datatonic

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

At Datatonic, we are Google Cloud's premier partner in AI, driving transformation for world-class businesses. We push the boundaries of technology with expertise in machine learning, data engineering, and analytics on Google Cloud. By partnering with us, clients future-proof their operations, unlock actionable insights, and stay ahead of the curve in a rapidly evolving world. As a Principal Data Architect, you will play a pivotal role in designing and implementing modern, scalable data solutions for our clients. Working closely with colleagues across the Data & Analytics Engineering teams, you will help architect, build, and optimise new data platforms or migrate existing solutions to Google Cloud. This is an exciting opportunity for a highly-experienced data professional who is passionate about leveraging cloud technologies to drive innovation and efficiency. You will consult with our clients to understand their business needs and objectives, gather requirements, and define and deliver robust, high-performance data architectures. If you thrive in a fast-paced, technology-driven, consulting environment and are eager to make a tangible impact on transformative projects, this role is for you.

Job Responsibility:

Design & Deliver Cutting-Edge Data Solutions: Lead the analysis, design, and execution of state-of-the-art, data-driven solutions to meet our client’s business needs, leveraging the best of Google Cloud technologies
Data Architecture & Governance: Serve as an expert in data transformation, storage, retrieval, security, and governance, ensuring scalable, secure, and efficient data solutions
Guide & Mentor Engineers: Provide architectural direction to engineers, ensuring they build robust, high-performance solutions aligned with your target data architecture
Master Data Modeling Techniques: Apply expertise in various data modeling approaches, including 3NF, Data Vault, Star Schema, and One Big Table (OBT). Clearly articulate the benefits and trade-offs of each method and optimize their implementation within columnar databases such as BigQuery
Shape Data Strategy: Collaborate with the client to define and refine data strategy
Develop Fully Integrated Solutions: Work alongside Architecture, Engineering, and Data Science teams to design comprehensive, production-ready solutions that incorporate cloud best practices, scalable and efficient ingestion strategies, feature engineering methodologies, and end-to-end production readiness
Leverage Leading Technologies: Design and implement solutions using key partner technologies, including Google Cloud – BigQuery, Dataflow, Vertex AI, and more
dbt Labs – Modern analytics engineering and transformation
Snowflake – Cloud-native data warehousing
Fivetran – Automated data pipelines for seamless integration

Requirements:

Proven experience designing and building data warehouse / lakehouse solutions using technologies like BigQuery, Azure Synapse, Snowflake, Databricks
Strong expertise in data modeling and solution architecture, optimizing for performance and scalability
Experience with data platforms with data quality, security, privacy, and governance controls built-in
Ability to take projects from concept to completion, driving creative and effective solutions
Demonstrated problem-solving skills with a strong technical foundation and an innovative approach
Exceptional written and verbal communication skills with great attention to detail, capable of presenting complex concepts clearly to customers
Ability to build and maintain strong relationships with key external stakeholders across different business levels
Hands-on experience with Python, Java, and SQL for data engineering and solution development

What we offer:

25 days plus bank holidays
Private health insurance (Vitality Health)
Smart Health Services
50% gym membership discounts (Nuffield Health, Virgin Active, Pure Gym)
WFH allowance
Access to platforms like Udemy
Pension (Auto-enrolment after probation period. 3% employer contributions raising 1% per year of service to a max of 10%)
Life Insurance (3 x your base salary)
Income Protection (up to 75% of base salary, up to 2 years)
Cycle to Work Scheme
Tech Scheme

Additional Information:

Job Posted:
February 17, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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