We're looking for a Data Engineer with 4+ year experience to join our Data Engineering team and help us build and scale our production-grade data platform. You'll work on high-performance systems built on self-hosted ClickHouse, optimize complex data pipelines, and collaborate closely with Product, Analytics, and Infrastructure teams to deliver reliable, fast, and scalable data solutions.
This is a hands-on technical role where you'll have a significant impact on how we ingest, model, store, and serve data that powers our analytics and AI-driven products.
You’ll play a key role in shaping the direction of our data platform and have meaningful ownership over critical components of our architecture.
- Design and evolve data models that reflect business logic and support analytical use cases
- Collaborate with the BI and Analytics teams to understand data requirements and translate them into efficient schemas
- Optimize ClickHouse schemas, partitioning strategies, indexing, and compression
- Profile and tune slow queries to improve performance and reduce costs
- Implement systems that ensure data quality, consistency, and operational efficiency (e.g., deduplication, validation, anomaly detection)
- Monitor pipeline health, data freshness, and query performance with appropriate alerting mechanisms
Develop and maintain the SQL Compiler layer that translates high-level queries into optimized ClickHouse execution plansImplement query optimization and rewriting strategies to improve performanceDebug and resolve compiler issues to ensure accurate and efficient query translation
Data Pipeline Development & Collaboration- Review and advise the Integration team on pipeline architecture, performance, and best practices.
- Provide guidance on data modeling, schema design, and optimization for new data sources.
- Troubleshoot and maintain existing pipelines when issues arise or optimization is needed
- Ensure data freshness, reliability, and quality across all ingestion pipelines.
- Work closely with the Integration team to ensure smooth data ingestion from new sources.
- Partner with Infrastructure to support high availability and disaster recovery
- Support other teams across the company in accessing and using data effectively.
- Excellent communication and collaboration skills
- English at a high level, written and spoken required
- Ability to work from our Jerusalem office (located in the Central Bus Station next to the train) 2 times a week (Monday & Wednesday) is required
- Strong attention to detail, ownership mentality, and ability to work independently
- Quick learner who can dive into new codebases, technologies, and systems independently
- Hands-on mentality - not afraid to roll up your sleeves, dig into unfamiliar code, and work across the stack (including backend when needed)
- 4+ years of experience as a Data Engineer
- Strong problem-solving skills for complex data challenges at scale - ability to debug performance issues, data inconsistencies, and system bottlenecks in high-volume environments
- Experience with data modeling and schema design for analytical workloads
- Strong proficiency in SQL and experience with complex analytical queries
- Hands-on experience building and maintaining data pipelines (ETL/ELT)
- Ability to troubleshoot and optimize systems handling large data volumes (millions+ rows, complex queries, high throughput)
- Knowledge of query optimization techniques and execution planning
- Familiarity with columnar databases (ClickHouse, BigQuery, Redshift, Snowflake, or similar). Columnar DB experience is a big plus.
- Experience with ClickHouse specifically
- Experience with real-time or streaming data pipelines
- Familiarity with SQL compilers or query engines
- Background in data quality frameworks and observability tools
- Experience with infrastructure as code (Terraform, Ansible, Pulumi ,etc.)
- Contributions to open-source data projects
- Experience with data orchestration tools (Airflow, Dagster, Prefect, etc.)
- Experience with any scripting language for data processing
- Understanding of distributed systems and data architecture concepts at scale
- Experience working in e-commerce, analytics, or BI platforms
We Are Customer Obsessed: From our mission to every detailed project, everything we do is designed to create a positive impact for our customers.
We Move (Very!) Quickly: The speed at which we work, iterate, and deliver value is our most competitive advantage.
We Are Trustworthy: Candor, directness, and honest communication helps us learn, grow and improve so we can win together.
We Are Curious: We extend beyond our comfort zone and ask questions that guide us towards new, creative, and bold paths.
We Act Like A Mensch: We act with honor, integrity and empathy, and have deep respect for our customers and each other.
- The opportunity to shape and own core systems that power the entire organization.
- A high-impact role with autonomy and influence across multiple teams.
- A collaborative, fast-paced, and innovative environment.
- Competitive compensation and hybrid flexibility based in Jerusalem, with at least 2 days per week in-office required. Our office is conveniently located in Jerusalem's Central Bus Station (across the street from the train station)
If you’re looking for more than just a job and want to be part of a movement reshaping the future of Ecommerce, Triple Whale is the place for you. We’re on the lookout for driven, curious, and creative individuals ready to thrive in a fast-paced environment.
Triple Whale is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
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What We Do
All your data in one easy-to-use dashboard. We’re building the operating system for eCom.
