Looker Developer / BI Analyst

TES Global; Sheffield; Hybrid; GBP 45,000 - 50,000; Full time

Benefits offered by this job

25 days annual leave

State of the art offices

My Benefits World access

Free eye care cover

Life Assurance

Cycle to Work Scheme

Employee Assistance Programme (EAP)

Tes Socials

Learning and Development menu

Job summary

Tes is seeking a Looker Developer (BI Analyst) to join our Data & Insights team in a hybrid role, split between Sheffield or London. You will design, develop, and maintain Looker models and dashboards, ensuring governed data experiences across the business.

Collaboration with stakeholders is key to delivering data-driven decisions for education sector impact. You will drive semantic modelling, scalable data pipelines, and performance optimisations while promoting self-service analytics and

Qualifications

• Strong Looker and LookML development experience.
• Advanced SQL skills with several years of hands-on practice.
• Solid data modelling knowledge (star/snowflake schemas).
• Experience building scalable Looker semantic layers and self-service analytics.
• Excellent stakeholder engagement and ability to translate requirements into solutions.

Responsibilities

• Act as Looker SME, advocating best practices in modelling and governance.
• Design, develop, and maintain LookML models, views, explores, dashboards.
• Build scalable semantic layers to ensure consistent metrics.
• Collaborate with Sales, Marketing, Product, and Finance on reporting needs.
• Develop and maintain data pipelines to support Looker models.
• Enhance Looker performance via efficient modelling and caching strategies.
• Enable self-service analytics with intuitive dashboards and explores.
• Enforce data governance, accuracy, and documentation of metrics.
• Analyze datasets to identify trends and communicate insights.

Skills

Looker & LookML

Advanced SQL

Data modelling

Self-service analytics

Stakeholder engagement

Tools

dbt

Fivetran

Job description

Norfolk St, Sheffield City Centre, Sheffield S1 2JE, UK

Posted Friday 3 July 2026 at 5:00 am

Job Title: Looker Developer (BI Analyst)

Department: Data & Insights

Location: Sheffield or London

Working Pattern: Hybrid, includes 3 days each week in the office

Contract Type: Full time, permanent

Salary: Up to £50,000 per annum

At Tes we are on a mission to power schools and enable great teaching worldwide, by delivering EdTech solutions that give educators the tools to succeed. From safeguarding and compliance to staff and pupil management, our innovative and flexible software and services help teachers and school leaders worldwide to provide the best education to millions of children.

With more than 13 million educators in our community, combined with our working relationships with 25,000 schools in over 100 countries, we have been making a difference for over 100 years.

Role overview

As a Looker Developer at Tes, you will play a key role in our data transformation journey, helping scale and mature our analytics capabilities through Looker. You will be responsible for designing, developing, and maintaining LookML models and delivering high-quality, governed data experiences across the business.

Working closely with the wider Data & Insights team and business stakeholders, you will ensure that data is modelled effectively, accessible, and trusted—empowering teams to make data-driven decisions that positively impact the education sector.

This role sits within the Data & Insights department.

Key Responsibilities

• Act as a subject matter expert for Looker, advocating best practices in semantic modelling, governance, and self-service analytics
• Design, develop, and maintain LookML models, including views, explores, and dashboards
• Build scalable and reusable semantic layers to ensure consistency and trust in business metrics
• Partner with Sales, Marketing, Product, and Finance teams to understand reporting needs and translate them into robust Looker solutions
• Develop and maintain data pipelines and transformations (in collaboration with analytics engineering teams) to support Looker models
• Optimise Looker performance through efficient modelling, caching strategies, and query design
• Enable and promote self-service analytics by creating intuitive dashboards and curated explores
• Enforce data governance standards, ensuring accuracy, consistency, and proper documentation of metrics
• Analyse datasets to identify trends, patterns, and insights, clearly communicating findings to stakeholders
• Support business users in adopting Looker, including training, documentation, and best practice guidance
• Collaborate cross-functionally to align on KPIs, definitions, and data strategy
• Contribute to continuous improvement of the data platform, tooling, and processes

What will you need to succeed?

• Strong experience with Looker and LookML development
• Advanced SQL skills with several years of hands‑on experience
• Experience building scalable semantic layers in a BI tool (Looker preferred)
• Solid understanding of data modelling principles (e.g., star schema, dimensional modelling)
• Experience with ETL/ELT tools (e.g., dbt, Fivetran or similar)
• Knowledge of data governance and metric standardisation practices
• Experience delivering high-quality dashboards and data visualisations
• Strong analytical and problem‑solving skills
• Ability to translate business requirements into technical solutions
• Excellent stakeholder engagement skills and the ability to influence decision‑making
• A curious mindset with a passion for continuous learning

It’s beneficial if you have experience/knowledge in:

• Advanced Looker capabilities, such as extensions, API usage, or embedded analytics
• Cloud data platforms (e.g., AWS Redshift, Snowflake, BigQuery)
• Analytics engineering practices and tools (e.g., dbt testing, CI/CD for LookML)
• Programming languages such as Python or R
• Working on data transformation or modern data stack implementations
• Supporting or driving organisation‑wide BI adoption initiatives

What do you get in return?

• 25 days annual leave rising to 30
• State of the art offices
• Access to a range of benefits via My Benefits World
• Free eye care cover
• Life Assurance
• Cycle to Work Scheme
• EAP (Employee assistance programme)
• Quarterly Tes Socials
• Access to an extensive Learning and Development menu

Who are Tes?

Tes is a global Edtech leader, on a mission to empower schools and educators to deliver impactful, inspiring learning experiences worldwide. We understand the unique challenges faced by schools, and our ecosystem is specifically designed to address these needs head‑on.

Our intuitive technology streamlines complex tasks, enhances learning experiences, and alleviates the administrative burdens that often overwhelm schools.

By working closely with schools, we provide up‑to‑date resources, expert guidance, and a technology ecosystem dedicated to innovation and excellence in education. Whether simplifying administrative workflows, creating dynamic classrooms, or advancing professional development, Tes is the trusted partner for schools worldwide.

Join the hundreds of schools already benefiting from the Tes ecosystem. Together, we empower educators to achieve more, ensuring every student thrives in a supportive, well‑managed learning environment.

With Tes, excellence in education is not just a goal - it's a sustainable and rewarding reality. For more information about Tes, our products, and our team, visit: www.tes.com .

Norfolk St, Sheffield City Centre, Sheffield S1 2JE, UK