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Open nowPosted 12 hours ago

SQL Engineer - Senior Level

ETHICS CODE

Where
Barranquilla, Atlantico, Colombia
Work mode
Remote
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Your applicationOpen nowSQL Engineer - Senior LevelETHICS CODE · Barranquilla, Atlantico, Colombia

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  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on ETHICS CODE's own form.

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.7%14 days
  5. 35.6%30 days
  6. 58.0%60 days
This job: posted 12 hours ago

The posting

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.

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