Senior .NET Architect & Lead Developer

WHAT YOU'LL DO:

Here's what you can expect on a typical day:

• Own solution delivery across the full SDLC: requirements, design, development, testing, deployment, and support.
• Design and build .NET applications (, C#, ASP.NET, .NET Core) with clean architecture and testable patterns.
• Develop robust data layers using SQL Server (T-SQL queries, views, functions, stored procedures) and Oracle (PL/SQL) and build apps in APEX where appropriate.
• Create dashboards and reports using SSRS and/or other BI tools; establish data models and govern data refresh and access.
• Integrate systems via REST APIs (consume and orchestrate), including Salesforce and internal/external services.
• Leverage ADP data (e.g., Databricks, Oracle, DB2, SQL Server instances) and apply ADP RS SORs understanding for authoritative data sourcing and data lineage.
• Author high-quality technical documentation (solution designs, data dictionaries, specs, deployment guides).
• Partner with product owners and business SMEs to clarify requirements, size work, and prioritize backlogs.
• Champion best practices in security, performance, reliability, and observability.

You will have a Bachelor's degree OR equivalent.

• 7+ years of professional software development experience, including lead developer responsibilities.
• .NET expertise: , C#, ASP.NET, and .NET Core for APIs, web apps, and services.
• SQL Server proficiency:
  Expert-level TR-SQL (queries, indexing strategies, stored procedures, performance tuning).
• Oracle experience, including APEX application development preferred.
• Reporting & BI: SSRS and/or comparable BI tools used to build operational dashboards.
• Salesforce experience (data model familiarity, API integration, authentication flows).
• Data ecosystem knowledge in ADP: awareness of core data sources such as Databricks, Oracle, DB2, SQL Server instances, and how to design integrations with them.
• ADP RS SORs understanding and how systems-of-record impact integration, data quality, and reporting.
• REST API consumption: authentication (OAuth 2.0/Bearer), pagination, error handling, and resilience patterns.
• Technical writing capabilities: architecture diagrams, sequence flows, ADRs, and runbooks.

• Experience with CI/CD (Azure Dev Ops, Git Hub Actions, or similar), automated testing, and infrastructure-as-code basics.
• Familiarity with Databricks (Spark SQL, Delta Lake concepts) and ETL/ELT patterns.
• Performance tuning across application, database, and API layers; profiling and observability (App Insights, logging/metrics).
• Data governance and security best practices (PII handling, RBAC, encryption at-rest/in-transit).
• Exposure to SSIS, Power BI, or other enterprise BI platforms.
• Prior experience integrating ADP products and datasets at enterprise scale preferred.
• Core Competencies
• Systems Thinking:
  Connects application design to data lineage, reporting needs, and enterprise standards.
• Team-Oriented:
  Elevates team capability through collaboration and cross-functional partnership.
• Communication:
  Converts complex technical topics into clear, concise documentation and stakeholder updates.
• Delivery Excellence:
  Plans iteratively, hits milestones, and manages risk with transparency.
• Quality Mindset:
  Automated tests, code reviews, secure-by-design patterns, and measurable SLIs/SLOs.
• Disclaimer: THIS IS NOT A PEOPLE LEADER POSITION; THIS IS AN INDIVIDUAL CONTRIBUTOR ROLE. #LI-Hybrid

Base salary offers for this position may vary based on factors such as location, skills, and relevant experience. Some positions may include additional compensation in the form of bonus, equity or commissions. We offer the following benefits:
Medical, Dental, Vision, Life Insurance, Matched Retirement Savings, Wellness Program, Short-and Long-Term Disability, Charitable Contribution Match, Holidays, Personal Days & Vacation, Paid Volunteer Time Off, and more. The compensation for this role is USD $79,800.00 - USD $ / Year*

* Actual compensation will not be less than the applicable minimum wage or minimum exempt salary requirement under federal, state and local laws.

Diversity, Equity, Inclusion & Equal Employment Opportunity at ADP: ADP is committed to an inclusive, diverse and equitable workplace, and is further committed to providing equal employment opportunities regardless of any protected characteristic including: race, color, genetic information, creed, national origin, religion, sex, affectional or sexual orientation, gender identity or expression, lawful alien status, ancestry, age, marital status, protected veteran status or disability.

Hiring decisions are based upon ADP’s operating needs, and applicant merit including, but not limited to, qualifications, experience, ability, availability, cooperation, and job performance.