The Opportunity
We're looking for a Senior Python Developer to join a data-focused team working on a new Security Master platform for a financial services client.
The project will involve building a multi-asset security data service covering equities, fixed income, funds and alternative assets across both the UK and US markets.
You'll work alongside an established client Data Team, contributing hands-on Python development to the ingestion, processing and distribution of critical financial data.
This is an exciting opportunity for a senior developer who enjoys working with data-intensive systems, Python and modern cloud technologies, with the opportunity to develop further expertise within the financial services domain.
What You'll Be Doing
- Contribute to the development of a new Security Master / security data service.
- Build and maintain Python-based data ingestion and processing pipelines.
- Ingest, clean, transform and process security reference data, daily pricing data and corporate actions.
- Work with multi-asset data covering equities, fixed income, funds and alternative assets.
- Support the internal distribution of high-quality, reliable security data.
- Work closely with the client's Data Team and wider technical stakeholders.
- Develop robust, maintainable and scalable Python solutions.
- Work with relational databases, particularly PostgreSQL.
- Use modern Python data tools such as Pandas and/or Polars.
- Contribute to development workflows using Git and Jira.
- Help ensure data quality, consistency and reliability throughout the platform.
What We're Looking For
- Strong commercial experience as a Senior Python Developer / Software Developer.
- Excellent hands-on Python development skills.
- Experience working with PostgreSQL.
- Strong experience working with data processing libraries such as Pandas and/or Polars.
- Experience working with data ingestion, transformation or processing pipelines.
- Comfortable working within collaborative development environments using Git and Jira.
- Strong problem-solving skills and an ability to work with complex datasets.
- Able to work effectively alongside data engineers, developers and wider technical teams.
Nice to Have
- Knowledge or experience within financial markets / securities.
- Experience working with GCP BigQuery.
- Experience with GCP Cloud SQL.
- Experience with Terraform.
- Experience with Apache Airflow.
- Understanding of security reference data, pricing data or corporate actions.
The Project
The wider project is focused on creating a multi-asset Security Master, bringing together and standardising security data across UK and US markets.
The platform will cover: Equities | Fixed Income | Funds | Alternative Assets with a focus on: Security Reference Data | Daily Pricing | Corporate Actions | Data Ingestion | Data Processing | Internal Data Distribution.
You'll be joining the project as a hands-on Python specialist, working alongside the client's existing domain and architecture expertise.