SQL Engineer - Senior Level

We are seeking a skilled and detail-oriented SQL Developer with more than 5 years of professional experience. This role requires a strong command of T-SQL, data manipulation, and report generation. The candidate should be capable of interpreting complex requirements, optimizing query performance, and ensuring data quality through proper testing and documentation. Requirements Key Responsibilities: - Design, develop, and maintain intricate T-SQL queries, stored procedures, views, and functions. - Analyze and convert business requirements into efficient, accurate SQL code, with correct handling of NULLs, outer joins, and date/time ranges. - Execute data transformations, cleansing, validation, and enrichment tasks. - Compose and schedule custom data scripts for insertion, updating, deletion, and movement operations, using transactions and appropriate isolation levels to guarantee consistent results. - Design, generate, and maintain reports using business intelligence and reporting tools, and validate report output against source data. - Engage in code reviews, peer programming, and unit testing cycles. - Enhance existing queries to improve performance and scalability by analyzing execution plans, statistics, and index usage. - Investigate data issues, perform root cause analysis, reconcile discrepancies between source systems, reports, and application screens, and assist with data integrity initiatives. - Administer job automation and support ETL processes where necessary. - Ensure comprehensive documentation of SQL logic, data dictionaries, and version histories. - Participate in sprint planning, refinements, and collaborative solution development. Required Skills & Experience: - Four or more years of practical experience with Microsoft SQL Server and T-SQL. - Strong expertise in crafting optimized queries, procedures, and scripts. - Solid understanding of SQL logical query processing, three-valued logic (NULL handling), and inner vs. outer join semantics. - Experience with stored procedures, triggers, indexing, and query performance enhancement, including execution plan analysis, statistics, sargable predicates, implicit conversions, and parameter sniffing. - Knowledge of transaction isolation levels, locking, and row versioning (such as READ COMMITTED SNAPSHOT), and of the data-accuracy risks of NOLOCK. - Thorough understanding of relational database concepts and data normalization. - Proficient in working with substantial datasets, including joins, subqueries, common table expressions (CTEs), aggregations, and window functions, producing deterministic results when ties occur. - Experience with date/time data types, UTC and time-zone conversions, and audit-trail data. - Experience utilizing version control tools such as Git for managing SQL artifacts. - Capability to interpret entity-relationship diagrams (ERDs), functional specifications, and data mapping documents. - Demonstrated experience in writing unit tests and collaborating with quality assurance teams. - Familiarity with data export/import procedures, including bulk operations. - Excellent verbal and written communication skills, including the ability to explain and justify technical decisions. Preferred Qualifications: - More than 5 years of experience working with SQL. - Experience with enterprise reporting tools. - Exposure to contemporary business intelligence platforms such as ThoughtSpot, Power BI, or Tableau. - Experience in migrating reports across different tools. - Familiarity with Agile and Scrum methodologies. - Basic understanding of data warehousing or ETL tools is advantageous. - Exposure to DevOps practices or CI/CD processes for SQL deployments is a plus. Plus ++ - Experience working in the Life Sciences industry, particularly in regulated environments such as pharmaceuticals, biotechnology, or clinical research. - Familiarity with GxP compliance (Good Clinical Practice, Good Manufacturing Practice, etc.), FDA regulations, and 21 CFR Part 11 requirements. - Proven ability to work with sensitive medical or clinical data while maintaining data integrity, traceability (audit trails, change history), and confidentiality. - Experience supporting systems or databases used in clinical trials (such as EDC platforms), drug safety, or regulatory submissions is a strong plus. Benefits 💲 USD salary 🏡 100% Remote. 🌎 Opportunity to work on projects worldwide. 👨🏽‍🎓 Access to E-learning platforms. 🎉 2 weeks of paid time off. 🎓 Certification coverage. Originally posted on Himalayas