Snowflake Developer, Metrics & Productivity Lead | London, UK

London Stock Exchange Group; London; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading financial markets infrastructure firm is seeking a Snowflake Developer to enhance workforce analytics. The role involves designing data models and optimizing queries to support decision-making across various teams. Candidates should possess strong SQL and Snowflake experience, contributing to a collaborative team focused on driving financial stability and sustainable growth.

Benefits

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Qualifications

• Validated experience delivering Snowflake solutions in production.
• Strong SQL skills and understanding of performance tuning.
• Experience building modular data models and flexible query structures.

Responsibilities

• Design and optimize Snowflake data pipelines for analytics.
• Build tables and stored procedures for data processing.
• Collaborate with teams across finance, HR, and engineering.

Skills

SQL

Data modeling

Analytical query design

Proactive attitude

Tools

Snowflake

Streamlit

dbt

Python

Job description

Snowflake Developer, Metrics & Productivity Lead

Snowflake Developer, Metrics & Productivity Lead

About the Role

We're seeking a Snowflake Developer to join our data transformation journey. You'll be instrumental in building a next-generation workforce analytics and scenario planning application that empowers strategic decisions across finance, HR, and technology teams.

Working closely with product owners, Streamlit engineers, and Snowflake architects, you'll develop robust data models and performant queries to power real-time insights into headcount, cost, and efficiency. Your work will directly craft how our organisation plans, transforms, and supervises its workforce and investment strategy.

What You'll Do

• Design and optimise Snowflake data pipelines to support complex scenario planning and financial modelling use cases
• Build and maintain tables, views, and stored procedures across staging, core, and consumption layers
• Translate business requirements into reusable Snowflake SQL logic to support visualisation and drill-through capabilities in Streamlit
• Collaborate with the front-end Streamlit team to ensure efficient data access patterns
• Work with partners across finance, HR, and engineering to iterate on cost models, role structures, and forecasting logic
• Leverage Snowflake Cortex to embed natural language querying across the app
• Ensure data security and compliance through thoughtful schema design and access control (including row-level security)

What You'll Bring

• Validated experience delivering Snowflake-based solutions in a production setting
• Strong SQL skills and deep understanding of analytical query design and performance tuning
• Experience building flexible, modular data models that support scenario planning or forecast simulations
• Familiarity with tools like dbt, Streamlit, or Python a strong plus
• Understanding of workforce data (e.g., headcount, contractors, costs, grades) is helpful
• Ability to work well with both technical and non-technical partners
• A proactive demeanor - you don't just address problems, you anticipate them

What We Offer

• A high-impact, hands-on role crafting a strategic internal product
• A collaborative and inclusive team culture
• Flexible working environment!
• we offer the opportunity to work with the latest in AI and analytics tooling, including Snowflake Cortex

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

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