LT Harper - Cyber Security Recruitment
Overview
Senior Database Engineer – B2B | Poland | Remote I'm seeking an experienced
Senior Database Engineer
to join a fast-growing company building a new operating system for global finance. The organization is scaling its infrastructure and aims to handle millions of transactions per day, with plans to grow further. Details
Role: 100% remote • B2B • 7,600$ - 7,900$ per month (international invoice, no VAT) Responsibilities
Design, optimise, and maintain large-scale database environments with emphasis on SQL performance tuning, indexing strategies, and query optimisation Improve database scalability and cost-efficiency Develop and implement database and warehouse performance tuning techniques Apply DevOps practices for databases, including automation, monitoring, and CI/CD integration (Liquibase) Work with cloud-hosted database services (AWS RDS/Aurora, Snowflake SaaS) Qualifications
3–5+ years of hands-on PostgreSQL experience in production environments 3–5+ years of experience with Snowflake or equivalent data lake/warehouse technologies (e.g., Redshift, BigQuery, Databricks) Strong expertise in SQL query optimisation, indexing, partitioning, and execution plan analysis In-depth understanding of PostgreSQL internals (vacuum, checkpointing, WAL, MVCC, partitioning, etc.) Proficiency in database and warehouse performance tuning and cost optimisation techniques Experience with DevOps practices for databases, including automation, monitoring, and CI/CD integration (Liquibase) Hands-on experience with cloud-hosted database services (AWS RDS/Aurora, Snowflake SaaS) Application
If you are interested in this role, please apply. Questions? Contact
a.sawa@ltharper.com
#J-18808-Ljbffr
Senior Database Engineer – B2B | Poland | Remote I'm seeking an experienced
Senior Database Engineer
to join a fast-growing company building a new operating system for global finance. The organization is scaling its infrastructure and aims to handle millions of transactions per day, with plans to grow further. Details
Role: 100% remote • B2B • 7,600$ - 7,900$ per month (international invoice, no VAT) Responsibilities
Design, optimise, and maintain large-scale database environments with emphasis on SQL performance tuning, indexing strategies, and query optimisation Improve database scalability and cost-efficiency Develop and implement database and warehouse performance tuning techniques Apply DevOps practices for databases, including automation, monitoring, and CI/CD integration (Liquibase) Work with cloud-hosted database services (AWS RDS/Aurora, Snowflake SaaS) Qualifications
3–5+ years of hands-on PostgreSQL experience in production environments 3–5+ years of experience with Snowflake or equivalent data lake/warehouse technologies (e.g., Redshift, BigQuery, Databricks) Strong expertise in SQL query optimisation, indexing, partitioning, and execution plan analysis In-depth understanding of PostgreSQL internals (vacuum, checkpointing, WAL, MVCC, partitioning, etc.) Proficiency in database and warehouse performance tuning and cost optimisation techniques Experience with DevOps practices for databases, including automation, monitoring, and CI/CD integration (Liquibase) Hands-on experience with cloud-hosted database services (AWS RDS/Aurora, Snowflake SaaS) Application
If you are interested in this role, please apply. Questions? Contact
a.sawa@ltharper.com
#J-18808-Ljbffr