Haystack
← Back to Jobs
Technology

Senior Microsoft SQL Developer

Solomons InternationalMechanicsville, VA🇺🇸United StatesPosted 24 Jul 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Position Summary:
The Senior Microsoft SQL Developer will support the modernization of an enterprise tolling transaction platform undergoing a partial rewrite using microservices and modularization. This role is a critical part of the Agile/Scrum project team and is responsible for developing, optimizing, and modernizing SQL components within a business-critical, high-availability SQL Server environment running on Azure Virtual Machines (IaaS). The developer will collaborate with solution architects, cloud engineers, API developers, and testers to ensure high performance, scalability, and maintainability of the database platform, reporting to the Development Manager.
Key Responsibilities:
  • Develop and optimize T-SQL queries, stored procedures, functions, and views to support new application capabilities.
  • Perform advanced performance tuning, indexing strategies, and query optimization for a business-critical SQL environment.
  • Modernize existing SQL components while supporting legacy SQL code and structures.
  • Support new feature development aligned with the microservices-based application modernization approach.
  • Collaborate with .NET Core/C# developers to ensure efficient data access patterns and API/database integrations.
  • Participate in modernizing existing database models to support modular, scalable architecture.
  • Support and maintain high availability environments using Always On availability groups.
  • Develop migration scripts, ETL logic, and integration solutions using SSIS and Databricks.
  • Ensure PCI compliance requirements are followed and implement data retention rules as required.
  • Contribute SQL-related changes through CI/CD pipelines using Azure DevOps and GitHub workflows.
  • Participate in Agile ceremonies and deliver assigned work within established sprint cycles.
Required Skills & Experience:
  • 7 10+ years of SQL Server development experience in enterprise environments.
  • Advanced T-SQL development skills including query tuning and performance optimization.
  • Experience developing in SQL Server on Azure VM (IaaS) environments.
  • Hands-on experience supporting high availability architectures using Always On availability groups.
  • Experience modernizing database code and schemas, including legacy SQL support.
  • Experience collaborating with .NET Core/C# development teams.
  • Experience deploying SQL updates through Azure DevOps and GitHub CI/CD pipelines.
  • Ability to work effectively within Agile/Scrum teams.
  • Minimum of 10 years of IT experience.
Desired Skills & Experience:
  • Experience building ETL solutions using SSIS and Databricks.
  • Knowledge of PCI compliance and database security requirements.
  • Experience with Terraform or infrastructure-as-code to support SQL deployments.
  • Experience working with microservices architectures and domain-driven design.
  • Knowledge of scaling strategies for high-transaction SQL environments.
Professional Skills :
Skill NameRequired/DesiredTotal Years
SQL Server development experience in enterprise environments.Required7
Advanced T-SQL development skills including query tuning and performance optimizationRequired5
Experience developing in SQL Server on Azure environments.Required5
Hands-on experience supporting high availability architectures using Always On availability groupsRequired5
Experience modernizing database code and schemas, including legacy SQL support.Required5
Experience collaborating with .NET Core/C# development teams.Required5
Experience deploying SQL updates through Azure DevOps and GitHub CI/CD pipelines.Required5
Ability to work effectively within Agile/Scrum teams.Required5
Experience modernizing SQL workloads in cloud-hosted environments.Required5
Experience building ETL solutions using SSIS and Databricks.Desired5
Knowledge of PCI compliance and database security requirements.Desired5
Experience with Terraform or infrastructure-as-code to support SQL deployments.Desired3
Experience working with microservices architectures and domain-driven design.Desired5
Knowledge of scaling strategies for high-transaction SQL environments.Desired5
Minimum of 10 years of IT experienceRequired10

Skills

Microservices
SQL
SQL Server
T-SQL
ETL
Scrum
Agile
Azure
C#
Databricks
.NET
Terraform

Similar jobs