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MSP Owner: Kelly Gosciminski
Location: San Jose, CA / Scottsdale, AZ / remote
Duration: 6 months
skill id: 10728061
Lead Data Architect - Google Spanner
"Role Summary
Own the target-state data architecture on Google Spanner, ensuring the new data model satisfies functional correctness, performance SLOs, and transactional semantics required by 1000+ applications-before large-scale app rewrites occur.
This role is not a schema converter. It is a distributed systems architect role.
Key Responsibilities
Data Architecture & Modeling
• Define the Logical Canonical Data Model (LCDM) independent of physical storage.
• Design Spanner-native physical schemas:
o Primary key strategy
o Row key distribution (hotspot avoidance)
o Interleaving decisions
o Secondary index strategy
• Decide where denormalization, projections, or materialized views are required.
Transaction & Consistency Design
• Define transaction boundaries under Spanner constraints:
o Single-partition vs multi-partition transactions
o Atomicity and consistency trade-offs
• Classify workloads by strong consistency vs bounded staleness tolerance.
• Define idempotency and retry-safe patterns.
Compatibility & Contract Validation
• Work with QA and platform teams to validate:
o CRUD contracts
o Query semantics
o Transaction invariants
• Review and sign off on schema compatibility scorecards.
Performance & Scalability
• Participate in workload replay analysis.
• Diagnose and resolve:
o Hot key risks
o Transaction conflicts
o Index amplification
• Size Spanner instances and estimate cost envelopes.
Leadership
• Act as final authority for Spanner data design decisions.
• Mentor domain architects and engineers.
• Provide executive-level architectural rationale.
Required Skills & Experience
• 10+ years in large-scale data architecture
• Deep expertise in Google Spanner internals:
o TrueTime
o Distributed transactions
o Synchronous replication
• Experience designing petabyte-scale, multi-region OLTP systems
• Strong understanding of:
o Distributed consistency models
o Failure modes in globally distributed databases
• Prior Oracle → distributed DB migration experience strongly preferred
Key Deliverables
• Canonical logical data model
• Spanner physical schemas & index strategies
• Transaction design guidelines
• Performance readiness assessments
• Migration readiness sign-off per domain
Role Descriptions: Key Responsibilities by Role TypeSoftware Engineer (Cloud Spanner Platform) Designs and implements features for distributed systems| manages database storage infrastructure| and improves performance.Site Reliability Engineer (SRE)| Spanner Focuses on system reliability| automating management processes| and managing on-call rotations to maintain uptime for large-scale production databases.Engineering Manager| Spanner Migration Leads teams to build tools for transitioning databases and drives adoption of Spanner| providing high-performance SQL capabilities. Google CareersGoogle Careers 4Common Qualifications SkillsEducation Bachelors or Masters in Computer Science or related fields.Technical Skills Experience with distributed computing| large-scale systems design| networking| and data storage.Databases Expertise in relational databases (SQL) and cloud infrastructure.Soft Skills Strong leadership| collaboration| and troubleshooting abilities. Google CareersGoogle Careers 3Core Focus AreasHigh Reliability Maintaining 99.999 availability and managing data replication across regions.Performance Optimization Optimizing query execution| handling TB-scale data| and refining transactional readswrites.Distributed Systems Working on complex systems that provide strong consistency globally. Google CloudGoogle Cloud 2These roles frequently involve working on cutting-edge database technology at Googles scale.
Essential Skills: Key Responsibilities by Role TypeSoftware Engineer (Cloud Spanner Platform) Designs and implements features for distributed systems| manages database storage infrastructure| and improves performance.Site Reliability Engineer (SRE)| Spanner Focuses on system reliability| automating management processes| and managing on-call rotations to maintain uptime for large-scale production databases.Engineering Manager| Spanner Migration Leads teams to build tools for transitioning databases and drives adoption of Spanner| providing high-performance SQL capabilities. Google CareersGoogle Careers 4Common Qualifications SkillsEducation Bachelors or Masters in Computer Science or related fields.Technical Skills Experience with distributed computing| large-scale systems design| networking| and data storage.Databases Expertise in relational databases (SQL) and cloud infrastructure.Soft Skills Strong leadership| collaboration| and troubleshooting abilities. Google CareersGoogle Careers 3Core Focus AreasHigh Reliability Maintaining 99.999 availability and managing data replication across regions.Performance Optimization Optimizing query execution| handling TB-scale data| and refining transactional readswrites.Distributed Systems Working on complex systems that provide strong consistency globally. Google CloudGoogle Cloud 2These roles frequently involve working on cutting-edge database technology at Googles scale.
Desirable Skills:
Keyword:
Skills: Google Security
Experience Required: 10 & Above, Project Code :