Senior Database Engineer/architect in Krunchbox

Remote (6 locations) | Senior | Full time | Data Science / Analytics

Gross salary $4850 - 7000 USD/month

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Krunchbox is transforming retail analytics with our next-generation platform (Krunchbox 2.0). We are migrating from 800 hardcoded ETLs to a modern, real-time analytics architecture powered by ClickHouse. This greenfield initiative aims to architect the analytical backbone for 1000+ enterprise clients while maintaining and optimizing our existing SQL Server infrastructure during the transition. The Senior Database Engineer/Architect will lead the database transformation and operations across both legacy and modern systems, owning the analytical data layer, and delivering a scalable, multi-tenant ClickHouse architecture alongside ongoing SQL Server maintenance.

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Key Responsibilities

ClickHouse Implementation (New Architecture): take over from initial consulting work to build production ClickHouse system; design and implement multi-tenant architecture with partition isolation; migrate from SQL Server to ClickHouse optimizing for columnar storage; create materialized views for KPI calculations and dashboards; implement data retention policies and TTL strategies; optimize query performance for complex analytical workloads; design backup, recovery, and high-availability strategies.
SQL Server Management (Legacy Systems): maintain and optimize existing SQL Server infrastructure during transition; lead ETL modernization from 800 hardcoded processes to automated pipelines; perform database performance tuning and troubleshooting; manage legacy architecture decisions and technical debt; ensure data integrity and availability during migration; optimize existing queries and stored procedures.
Leadership & Architecture: provide database leadership across legacy and modern platforms; mentor on SQL and ClickHouse best practices; design migration strategies minimizing downtime and risk; collaborate with development teams on data architecture decisions; create documentation and best practices for a hybrid database environment; lead knowledge transfer and retention efforts during transition.
Collaboration & Delivery: work closely with existing team members to ensure continuity and minimize disruption; partner with Event Hubs team for real-time data ingestion; contribute to roadmap and architecture decisions that support scalable analytics for 100M+ rows daily across tenants.

What you’ll bring

Required Qualifications

ClickHouse Expertise: 3+ years of production ClickHouse experience; strong background with large-scale migrations from relational to columnar databases; deep understanding of ClickHouse internals (MergeTree engines, partitioning, sharding); expertise in materialized views, projections, and aggregation optimizations; experience with ClickHouse Cloud or managing ClickHouse clusters.
SQL Server & Traditional DB Skills: 5+ years of SQL Server production experience in enterprise environments; expert-level SQL programming and query optimization; experience with ETL pipeline design and optimization; database administration including backup, recovery, and performance tuning; experience leading migrations and modernization projects.
General Qualifications: proficiency in SQL and ClickHouse-specific extensions; experience with multi-tenant data architectures; strong problem-solving capabilities for complex data challenges; excellent cross-team communication.

Preferred Qualifications

Experience with Azure Event Hubs or Kafka integration; knowledge of CDC patterns and real-time data synchronization; retail or e-commerce analytics domain experience; experience with time-series data and IoT workloads; contributions to ClickHouse community or open source; experience with Azure SQL Database and cloud migrations; familiarity with Python/FastAPI for database integration; knowledge of data warehousing and OLAP concepts.

Desirable but not required

Desirable but not required skills:

Hands-on experience in modern data platforms and cloud-native architectures; prior leadership role in data platform transformations; experience with multi-region deployments and governance; ability to translate business requirements into scalable data models; passion for scalable performance optimization and data quality.

Benefits

Competitive compensation package.
Local health coverage (if required)
Opportunity to scale and lead a global SaaS platform that solves real-world customer challenges.
A direct, impactful role in shaping the future of AI-powered supplier-retailer collaboration.

GETONBRD Job ID: 56030

Health coverage Krunchbox pays or copays health insurance for employees.

Computer provided Krunchbox provides a computer for your work.

Informal dress code No dress code is enforced.

Vacation over legal Krunchbox gives you paid vacations over the legal minimum.

Remote work policy

Locally remote only

Position is 100% remote, but candidates must reside in Chile, Mexico, Argentina, Brazil, Peru or Colombia.

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About Krunchbox

We provide ourselves on being retail demain experts with a passion for serving our customers! Join us & help scale our technology to the next level! — Krunchbox's full profile