Ampstek
Snowflake Data Engineer
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Fiserv | Snowflake Data Engineer | Basildon | £360/day Inside IR35 | Contract until 31 July 2027
We are hiring a Senior Risk & Data Engineer (Snowflake / Fraud Intelligence) for our end client Fiserv — a Fortune 500 global leader in payments and financial services technology, and Snowflake's 2026 Financial Services Product Partner of the Year.
Location: Basildon, Essex — Fully Onsite (5 days/week)
Duration: Long-term contract
ROLE SUMMARY
This role sits at the intersection of data engineering, risk analytics, and platform scale. You will design and scale data pipelines, analytical models, and fraud intelligence capabilities powering Fiserv's MRV/MRD platforms — enabling real-time and batch fraud detection, regulatory reporting, and multi-regional data readiness.
CORE RESPONSIBILITIES
- Design and develop Snowflake-based data models supporting fraud detection, monitoring, and regulatory reporting
- Build and optimise ETL/ELT pipelines using Snowpipe, Streams, Tasks, and stored procedures
- Partner with risk stakeholders to support rule-based and analytical fraud logic
- Ensure data quality, lineage, and auditability across MRV/MRD workflows
- Tune SQL performance and optimise warehouse cost and usage
- Support experimentation with advanced analytics and GenAI-driven insights
- Collaborate with platform and backend engineers on end-to-end data flows
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REQUIRED SKILLS & EXPERIENCE
- 4+ years hands-on Snowflake development including data modelling and transformation (dbt preferred)
- Strong expertise in advanced SQL, performance tuning, and warehouse optimisation
- Hands-on experience with Snowpipe, Streams, Tasks, and stored procedures
- Real AWS production exposure — pipelines at scale (hands-on over certifications)
- Practical experience with Kafka and/or Amazon SQS (real-time or near-real-time pipelines)
- CI/CD and version control — GitHub and/or AWS/Azure DevOps
- Data quality, lineage, and monitoring principles
- Exposure to fraud, risk, or compliance analytics / rule-driven systems
- Python or Java for data processing or integration
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NICE TO HAVE
- SAP ECC / SAP S/4HANA data modelling experience
- SnowPro Certification
- GenAI-enabled analytics or feature engineering experience
PERSONAL SKILLS
- Strong verbal and written communication across IT and business stakeholders
- Ability to collaborate across regions, teams, and seniority levels
- Comfortable handling complex or challenging situations professionally
To apply, please send your CV and current rate expectations to:
📧 [dhinakaran.b@ampstek.com]
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