Senior Snowflake Developer

Senior Snowflake Developer – Contract – London - £600pd via umbrella

Location: London, UK (Hybrid, 4 days onsite)

Role Summary

We are seeking an experienced Senior Snowflake Developer to design, develop, and optimise enterprise data solutions within a Financial Services environment. The role will focus on delivering scalable cloud-based platforms supporting risk, finance, regulatory, and management reporting.

Working closely with business stakeholders, architects, and technology teams, you will help modernise legacy platforms and deliver strategic data initiatives.

Key Responsibilities

Development & Architecture

• Design, build, and support Snowflake-based data solutions.
• Develop and optimise ETL/ELT pipelines using Snowflake, dbt, and Python.
• Create scalable data models and reporting structures.
• Contribute to architecture decisions and cloud migration initiatives.
• Implement data quality, governance, and monitoring controls.

Optimisation & Support

• Improve Snowflake performance, scalability, and cost efficiency.
• Troubleshoot complex production and performance issues.
• Ensure solutions meet enterprise standards and best practices.

Stakeholder Engagement

• Gather and translate business requirements into technical solutions.
• Facilitate workshops and collaborate with business and technology teams.
• Provide technical leadership and support project delivery.

Governance

• Support code reviews, testing, releases, and documentation.
• Ensure compliance with governance, security, and regulatory requirements.

Essential Skills & Experience

Technical

• Strong commercial experience with Snowflake .
• Hands-on expertise with dbt , Python , and SQL Server .
• Experience building enterprise ETL/ELT and data warehousing solutions.
• Strong knowledge of dimensional modelling, data architecture, data governance, and performance tuning.
• Experience with source control and CI/CD practices.

Financial Services

• Experience within Banking or Financial Services.
• Knowledge of risk, finance, treasury, regulatory, or management reporting environments.
• Experience working within regulated governance frameworks.

Stakeholder Management

• Strong requirements gathering and business analysis skills.
• Ability to communicate effectively with technical and non-technical stakeholders.
• Proven ability to deliver scalable solutions aligned to business needs.

Desirable Skills

• Control-M
• Power BI
• Azure Data Services
• SSIS, SSRS, SSAS
• Snowflake Streamlit
• AI/Generative AI technologies
• Cloud migration programmes
• Real-time data processing architectures

Domain Knowledge

Experience in one or more of:

• Market Risk
• Credit Risk
• Counterparty Risk
• Treasury
• Regulatory Reporting
• Capital & Liquidity Reporting

Preferred Profile

• 7+ years' experience in data engineering, data warehousing, or analytics development.
• 3+ years' Snowflake development experience.
• Proven delivery of enterprise-scale solutions within Financial Services.
• Experience modernising legacy Microsoft data platforms and migrating to cloud technologies.
• Ability to lead technical workstreams and mentor junior team members.