Software Engineer in Test

About the Company

Phi Partners is a global capital markets technology consultancy, offering a range of services, technology solutions, and advisory support to investment banks, hedge funds, and asset managers. Since its founding in 2004, Phi has expanded its presence worldwide, with headquarters in London and offices across North America, EMEA, and APAC. Our expertise in high-impact areas such as Quantitative, Front Office, and Risk Technology sets us apart, enabling us to collaborate with some of the world's most prominent financial institutions. We specialize in delivering robust, scalable, and cloud-based solutions, supporting clients across their digital transformation journeys.

About the Role

Phi Partners is supporting one of the world’s largest, most influential sovereign wealth funds that has a diverse portfolio covering every asset class across every major geographical region globally. Our client is building a low-latency, event-driven trading platform on Azure. The programme focuses on delivering a high-performance, regulated architecture using Solace messaging, AKS and cloud-native services. This role will perform the end-to-end quality & automation testing and compliance assurance for the data platforms and ETL pipelines linked to the trading platform, ensuring the platform meets performance, resiliency and audit requirements for regulated markets.

Responsibilities

• This role is ideal for a highly skilled Software Engineer in Test.
• Key responsibilities include:
• Define and execute test strategy across unit, integration, contract, E2E, and performance for the data platforms (databricks, snowflake) and ETL pipelines.
• Support incident response, root cause analysis and production verification activities.
• Automate data quality checks for market/reference data, order/trade states, and downstream stores (SQL Server/Azure SQL).
• Implement reconciliation across OMS/EMS, risk, and settlement; verify lineage and PII/PCI masking where relevant.
• Use SQL and profiling to validate accuracy, completeness, timeliness, and SCD/versioned data behaviors.
• Manage golden datasets and synthetic market data at scale for repeatable regression.

Required Skills

• Key Skills The ideal candidate will have:
• Experience with implementing and defining test automation strategies for data platforms.
• Hands-on experience building automation frameworks using C# and/or Python with xUnit, NUnit, MSTest or PyTest, integrated into CI/CD pipelines.
• Strong experience with SQL Server or Azure SQL.
• Experience with Databricks or Snowflake.
• Experience testing APIs (REST/GraphQL/SOAP) and implementing contract testing.
• Experience performing performance testing using JMeter or LoadRunner for latency, throughput, spike and failover scenarios.
• Experience supporting financial/trading systems, including order lifecycle, market data and risk controls is highly preferred.

Nice to have: QuickFIX/N (FIX testing), schema registry tools, ISTQB Advanced/CSTE, Azure certifications, Agile/Scrum.

This is a fantastic opportunity for a talented individual to join a leading capital markets technology consultancy and work on a strategic trading platform programme, offering strong technical ownership within a cloud-native, regulated environment.