RAMAN SAH
London
Summary
Accomplished data architect with extensive expertise in cloud platforms, specialising in Google Cloud Platform services such as BigQuery, Dataflow, and Vertex AI. Demonstrates proficiency in designing cloud data architectures and data warehouse solutions, with a strong focus on ETL/ELT pipeline design and real-time processing. Skilled in managing databases including Teradata, Netezza, and Oracle 11g. Proven leadership in guiding technical teams of over 20 members and adept at stakeholder management within Agile/Scrum environments. Proficient in using tools like Apache NiFi and UNIX/Shell scripting to enhance data operations. Committed to leveraging advanced data solutions to drive business success.
Overview
1
1
Certification
4
4
years of post-secondary education
11
11
years of professional experience
Work history
Google Cloud Data Architect / Associate Manager
Accenture UK — Royal Mail Group Account
London
2025.09 - 2026.06
- Serve as the lead GCP Data Architect on the Royal Mail Group engagement, designing and owning end-to-end cloud data solutions on Google Cloud Platform.
- Delivered multiple enterprise data architecture solutions including real-time and batch data pipelines using BigQuery, Dataflow, Cloud Functions, Pub/Sub and GCS.
- Led and managed a cross-functional onshore/offshore team of 20+ engineers and analysts, conducting sprint planning, code reviews, and performance management.
- Collaborated directly with Royal Mail's senior client stakeholders to gather requirements, present architecture proposals, and sign off on solution designs.
- Designed scalable data models and warehouse schemas in BigQuery to support operational reporting and business intelligence workloads.
- Drove cloud cost optimisation initiatives, implementing partitioning, clustering and lifecycle policies on BigQuery datasets.
- Established data engineering best practices, CI/CD pipelines, and documentation standards for the project team.
- Managed project delivery within Agile/Scrum framework, ensuring on-time and on-budget delivery of data platform milestones.
Team Lead – GCP Data Engineer
Accenture Solutions Pvt. Ltd. — Royal Mail Group Account
Gurugram
2018.01 - 2025.08
- Progressed from Data Engineer to Team Lead over 7+ years, consistently delivering on the Royal Mail Group account.
- Led delivery of the SISO (Scan In / Scan Out) attendance automation platform for Royal Mail, using BigQuery, Apache NiFi, Dataflow and Cloud Functions.
- Managed a team of 19 engineers; responsible for work allocation, quality reviews, and stakeholder reporting.
- Developed the AHDC project — a workforce analytics database to track employee assignments and shifts — using IBM DataStage 11.3 and Teradata.
- Defined source-to-target mappings, transformation rules, and data validation frameworks for complex employee data pipelines.
- Prepared low-level design documents and architecture artefacts, aligning solutions with Royal Mail's enterprise data strategy.
- Worked closely with onsite client coordinators to ensure requirements were accurately captured and deliverables met acceptance criteria.
- Reduced data processing latency by 40% through pipeline optimisation on Dataflow and partitioned BigQuery tables.
- Deployed code across multiple environments and provided hypercare production support.
Data Engineer
Cognizant Technology Solutions
2015.08 - 2018.01
- Worked on Fossil Inc. account: built ETL pipelines in IBM DataStage 11.3 to integrate historical and incremental customer data from Netezza CDW into Zendesk CRM via REST API (JSON).
- Created technical design documents and source-to-target mapping specifications for Fossil's customer data integration.
- Worked on AIG / Fuji Insurance (APAC) account: delivered IBM DataStage ETL pipelines for the Strategic Channel Management System (SCMS) following the AIU–FFM insurance merger.
- Built compensation management data feeds into Callidus platform across multiple distribution channels.
- Provided Informatica PowerCenter 9.6.1 production support for MassMutual Financial Group, monitoring workflows and resolving data processing incidents.
- Maintained SLA compliance, root-cause analysis logs, and stakeholder escalation for production data pipelines.
Education
B.Tech - Electronics & Communication Engineering
Biju Patnaik University of Technology
2010.01 - 2014.01
Skills
- Cloud Platform: Google Cloud Platform (BigQuery, Dataflow, Cloud Functions, Cloud Composer, Pub/Sub, GCS, Cloud SQL, Vertex AI, IAM)
- Data Architecture: Cloud Data Architecture, Data Warehouse Design, Data Modelling, ETL/ELT Pipeline Design, Real-time & Batch Processing
- Databases & DWH: BigQuery, Teradata, Netezza, Oracle 11g, MySQL, IBM DataStage 113, Informatica
- Leadership: Technical Team Leadership (20 members), Stakeholder Management, Client-facing Delivery, Agile/Scrum
- Other Tools: Apache NiFi, UNIX/Shell Scripting, TWS Scheduling, JSON/REST APIs, Git
Certification
- Professional Cloud Database Engineer, Google, Mar 2025 – Mar 2027
- Professional Data Engineer, Google, Issued Aug 2021
- Associate Cloud Engineer, Google, Issued Jun 2021
- Professional Cloud Architect (Expired), Google, Jan 2023 – Jan 2025
- Big Data Foundations, IBM, Issued Aug 2016
Languages
English (Professional)
Hindi (Native)
PERSONAL DETAILS
- Nationality: Indian
- Location: London, United Kingdom
- Visa Status: Skilled Worker Visa (valid to 31 August 2026 – actively seeking sponsorship)
- Phone: +44 7424 325023
- Email: ramansah93@gmail.com
Timeline
Google Cloud Data Architect / Associate Manager
Accenture UK — Royal Mail Group Account
2025.09 - 2026.06
Team Lead – GCP Data Engineer
Accenture Solutions Pvt. Ltd. — Royal Mail Group Account
2018.01 - 2025.08
Data Engineer
Cognizant Technology Solutions
2015.08 - 2018.01
B.Tech - Electronics & Communication Engineering
Biju Patnaik University of Technology
2010.01 - 2014.01