Lead Consultant - Python Data Platforms - London (1-2 days onsite, hybrid) - Inside IR35 negotiable
Role Summary
We are looking for an experienced Lead Consultant with strong expertise in Python development and data platforms to join a strategic programme building a new AWS-based data platform for financial markets.
This role combines hands-on technical leadership with client-facing responsibilities. You will guide technical direction, ensure delivery quality, and oversee the design and build of scalable, cloud-native data solutions.
Key Responsibilities
* Lead the design and delivery of a new data platform in AWS, ensuring scalability, performance, and resilience
* Provide technical leadership and consultancy across multiple workstreams, guiding Python development and data engineering practices
* Oversee the integration and processing of financial market data feeds (transactions, trading, asset management, FX)
* Work with teams to design and maintain distributed data pipelines using Spark and Aurora PostgreSQL
* Act as a trusted advisor to business and technology stakeholders, translating business requirements into technical solutions
* Drive adoption of best practices in testing, CI/CD, Agile delivery, and cloud engineering
* Mentor and support engineering teams, ensuring delivery quality and alignment with the programme roadmap
Skills & Experience Required
* Proven track record as a Lead Consultant, Lead Engineer, or Technical Lead in financial services data platform projects
* Strong expertise in Python for data-intensive systems
* Deep understanding of financial market data (transaction feeds, asset management systems, trading platforms, FX)
* Experience with Apache Spark for distributed data processing
* Hands-on knowledge of Aurora PostgreSQL (or equivalent relational databases)
* Extensive experience with AWS cloud services for data platform builds
* Strong stakeholder engagement and consultancy skills, able to influence at senior levels
* Excellent communication, leadership, and mentoring abilities
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