Senior Full‑Stack Data & API Engineer

Beacon Hill Staffing Group, LLC; Saint Paul (MN); On-site; USD 95,000 - 125,000; Full time

Job summary

Beacon Hill Staffing Group, LLC is seeking an experienced developer in P&C to lead development and support of a core software system within a fast-growing enterprise. You will collaborate with business stakeholders to resolve tickets and drive ongoing development and adoption of the system.

The role requires strong SQL and full‑stack experience with C#/.NET, REST API design, and production ownership across database, API, and front-end.

Qualifications

• 4+ years of strong SQL experience including queries and stored procedures.
• Ability to write, tune, and troubleshoot complex queries against production system databases with joins, window functions, and data modeling.
• 4+ years of full-stack software development experience, preferably with C#/.NET.
• Experience owning production applications spanning database, back-end API, and front-end.
• Proficiency in at least one modern back-end language and framework.
• Experience with Jira and ticketing systems; ServiceNow is a plus.
• Designing and consuming REST APIs and building system-to-system integrations.
• Experience with Git-based source control and CI/CD pipelines (Azure DevOps, GitHub Actions, GitLab CI, Jenkins).
• Familiarity with AI prompts or AI coding assistants and ability to review/test AI-generated code.
• Exposure to enterprise AI/LLM concepts and data privacy considerations.
• Experience with platform implementation, migration, or major upgrades including data migration and UAT.
• Experience working with 3rd party vendors and cross-functional teams.
• Excellent written and verbal communication; ability to translate between technical and business audiences.
• Comfort with change-management: source control, ticketing, environment promotion, and release notes.

Responsibilities

• Lead development and support of a key core software system for a fast-growing enterprise in P&C.
• Collaborate with business stakeholders to solve tickets and drive ongoing development.
• Assist with system upgrades, migrations, and customer-focused solutions.
• Interface with internal IT teams and external vendors to resolve issues.
• Ensure quality through testing and proper documentation.

Skills

SQL queries

Stored procedures

Relational data modeling

C#/.NET development

REST APIs

API integration

Git

CI/CD pipelines

Azure DevOps

GitHub Actions

GitLab CI

Jenkins

Jira

ServiceNow

AI prompts / AI coding assistants

Vendor / stakeholder communication

Problem solving / troubleshooting

Tools

Jira

ServiceNow

Azure DevOps

GitHub Actions

GitLab CI

Jenkins

SQL Server

Job description

Beacon Hill Staffing Group, LLC is seeking an experienced developer in P&C to lead development and support of a core software system within a fast-growing enterprise. You will collaborate with business stakeholders to resolve tickets and drive ongoing development and adoption of the system.

The role requires strong SQL and full‑stack experience with C#/.NET, REST API design, and production ownership across database, API, and front-end.