query-optimization jobs in San Diego

Design, develop, and maintain database-driven applications using C#, VB.NET, ASP.NET, and .NET Framework/Core to support day-to-day operations at a sign manufacturing company. Responsibilities include SQL Server database design and optimization, migrating Crystal Reports to SSRS, building and maintaining ETL processes, troubleshooting performance issues, and collaborating with cross-functional teams on system enhancements.…See more Strong expertise required in .NET development, SQL Server performance tuning, and reporting tools.

This role focuses on SQL Server database engineering, including schema design, stored procedures, query optimization, and administration. The engineer will develop business automation solutions using MS Access, VBA, and T-SQL, participate in code reviews, and communicate with technical and non-technical stakeholders.…See more Key responsibilities include ETL and reporting work, Access database development with linked SQL Server tables, and SQL Server Reporting Services and Integration Services implementation.

Entry-level database administrator role focused on SQL development, ETL, and data management. Responsibilities include writing and optimizing SQL queries, designing and maintaining relational databases, performing data extraction and transformation, troubleshooting database issues, and supporting data-driven business decisions.…See more The role requires SQL proficiency, familiarity with relational databases (SQL Server, Oracle, MySQL, PostgreSQL), understanding of database concepts and normalization, and basic data analysis skills.

Senior Data Engineer responsible for designing and implementing cloud data platforms (Databricks, Snowflake, BigQuery) and enterprise-scale data warehouses using Medallion Architecture. Will develop scalable ETL pipelines, optimize Spark jobs, integrate ML models into data workflows, and implement data governance and lineage tracking.…See more The role requires hands-on expertise in Python, PySpark, SQL, and AWS services, plus experience with AI/ML integration, DevOps practices (Terraform, CI/CD), and mentoring junior engineers and analysts.

Principal Database Architect responsible for administering, architecting, and optimizing enterprise Microsoft SQL Server database platforms across production, development, test, and disaster recovery environments at scale. The role involves designing highly available and secure database architectures, managing ETL/SSIS workflows, performance tuning, backup/recovery, replication, and disaster recovery processes.…See more Requires 10+ years of SQL Server administration in complex enterprise environments, strong T-SQL and data modeling expertise, and experience with reporting platforms (SSRS, SSAS, Power BI). Will partner with software engineering, QA, and infrastructure teams to support application requirements and evaluate emerging database technologies.

Principal Database Architect responsible for administering, optimizing, and architecting enterprise SQL Server database platforms across production, development, test, and disaster recovery environments. Will monitor performance, manage backups/restores/migrations, develop and optimize SSIS packages for ETL and data integration, review database designs, and partner with engineering, QA, and infrastructure teams to ensure reliability, scalability, and security.…See more Requires 10+ years of Microsoft SQL Server administration in complex enterprise environments, strong T-SQL and relational database expertise, and hands-on experience with performance tuning, HA/DR, replication, and SSIS workflows.

This role develops and maintains data integration solutions at Constellation Energy, focusing on ETL processes, data modeling, and analytics platforms. The developer will extract, integrate, and transform data from diverse sources using SSIS, SQL Server, Power BI, and APIs; design and optimize relational and dimensional databases; and participate in DevOps/CI/CD workflows.…See more The position requires 3+ years of hands-on experience with Power BI, DAX, T-SQL, SSIS, API development, and SQL query optimization, along with a technical degree or equivalent.

RIVO is seeking a Senior Data Platform Engineer to architect and build a modern enterprise data platform supporting analytics, machine learning, and near real-time processing. You will design the foundational data warehouse or lakehouse architecture, modernize legacy ETL processes, implement CDC-based ingestion and low-latency pipelines, and establish data quality and governance frameworks.…See more This role requires 8+ years of data warehousing or platform engineering experience, expertise in cloud platforms (Snowflake, Databricks, Azure), SQL and Python proficiency, and the ability to support both analytics and data science workloads at enterprise scale.

Senior developer responsible for designing, building, and optimizing business intelligence dashboards and reports using Tableau, SAP BusinessObjects (BOBJ), and related tools. Primary responsibilities include gathering client requirements, designing dashboards connected to multiple data sources (Oracle, SAP BW, SAP HANA), creating BEx queries and process chains, optimizing query performance, and managing security and user access.…See more Must have 5+ years of SAP BOBJ and Tableau experience, 3+ years with Power BI, and strong expertise across SAP design tools (Design Studio, Lumira), Crystal Reports, WebI, Spotfire, and modern web technologies (HTML5, CSS3, JSON, SAPUI5).

Staff-level database engineer responsible for managing production database environments across MySQL, ClickHouse, and MongoDB at scale. The role demands independent execution, proactive monitoring, performance optimization through query tuning and indexing, and 24/7 on-call incident response.…See more Requires 4+ years of MySQL and cloud platform experience (Azure/AWS), strong Linux expertise, and scripting proficiency (Golang preferred); nice-to-have skills include AI tooling integration (LangChain, LlamaIndex), vector databases, and RAG for automating database operations.

As a Sr. Staff Software Engineer on Teradata's Database Query Optimization team, you will lead the design, development, and testing of advanced features for the Teradata SQL Engine, a leading cloud-based query optimization platform.…See more You will own all phases of the software development lifecycle, research and establish technical direction for complex feature development, and lead groups of engineers during feature implementation. Key responsibilities include designing and maintaining the LLVM-based query parsing engine, conducting competitive analysis of database management systems, and driving technical planning for large-scale initiatives across on-premises and hybrid cloud environments. You must have 10+ years of industry experience with deep expertise in C/C++, strong proficiency in Java, Python, R, and SQL, and demonstrated ability to design large-scale distributed systems and debug complex software in parallel processing environments.

As a Sr. Staff Software Engineer on Teradata's Database Query Optimization team, you will lead the design, development, and testing of advanced features for the Teradata SQL Engine—a cloud-based query optimization platform supporting massively parallel processing (MPP).…See more You will own all phases of the agile development lifecycle, establish technical direction for complex feature development, conduct competitive analysis of database management systems, and lead engineering teams during feature delivery. Required expertise includes 10+ years of experience (or equivalent with advanced degree), deep C/C++ proficiency with strong Java, Python, R, and SQL skills, and demonstrated ability to design large-scale, elastic, cloud database services and distributed systems. You will design, implement, and maintain the LLVM-based query parsing engine while partnering with feature managers on technical planning for large-scale initiatives.

The Database Engineer will maintain, monitor, and optimize large-scale production MySQL database environments in distributed, mission-critical settings. Responsibilities include performance tuning, query and index optimization, database migrations and upgrades, capacity planning, and 24x7 on-call support.…See more The role requires designing reliable database architectures, automating operational tasks, and collaborating with development teams on database design guidance. Candidates must have strong fundamentals in distributed database topologies, Linux administration, scripting proficiency (Go/Python/Shell), and experience with cloud platforms such as Azure.

Staff Software Engineer leading design and evolution of PlayStation's Real-Time Analytics Platform (RTAP), a large-scale distributed data system handling high-throughput, low-latency analytics and stream processing. Responsibilities include architecting stream processing pipelines, optimizing data services using Apache Flink, Spark, ClickHouse, and Druid, integrating batch and streaming workloads with lakehouse architectures, and building AI-powered capabilities for platform automation.…See more The role requires deep expertise in distributed systems, real-time analytics, and mentoring engineering teams while establishing technical standards and best practices across the organization.

Design and develop advanced Power BI dashboards using DAX, Power Query, and complex data modeling techniques. Consolidate and transform data from APIs, files, and SQL databases into reliable reporting models using ETL workflows with SSIS and T-SQL.…See more Build scalable reporting solutions and partner with business users to translate requirements into technical implementations in a fast-paced, multi-project environment. Requires 3+ years of hands-on experience with DAX, Power Query, T-SQL, SSIS, and strong SQL development skills including stored procedures and query optimization.