Senior Software Engineer

Advanced Drainage Systems • Hilliard, OH

4d • Onsite

About The Position

Advanced Drainage Systems (ADS) is seeking a Senior Software Engineer to design, build, modernize, and operate reliable, scalable full-stack applications using C#/.NET on the backend and TypeScript/React on the front end. The role combines strong software engineering fundamentals with an AI-native approach to development, using AI agents to accelerate delivery while retaining ownership of design decisions and production quality.

The engineer will own complex projects end-to-end, contribute to and improve the team's AI-native tooling and workflows, and raise engineering standards through code reviews and mentorship. The role also involves enterprise integrations, cloud deployment, CI/CD, application security and performance, and collaboration with product managers, designers, and business partners.

ADS is a manufacturer of stormwater and onsite septic wastewater solutions with a global manufacturing and distribution network. The company emphasizes innovation, inclusive collaboration, continuous improvement, and sustainability, including recycling over half a billion pounds of plastic annually.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.
• At least 5 years of professional software development experience, including senior-level ownership of projects end-to-end.
• Strong proficiency in C# and .NET, including ASP.NET Core, Clean Architecture, Entity Framework Core, and dependency injection.
• Strong proficiency in TypeScript and React, including Redux Toolkit state management and Vite build tooling.
• Hands-on experience with AI-native development, including custom instructions, prompt files, custom agents, Agent Skills, multi-agent workflows, and context engineering.
• Experience with cloud services, particularly Microsoft Azure App Service, Entra ID, Key Vault, and Application Insights.
• Knowledge of database management systems, particularly SQL Server.
• Understanding of RESTful API design and enterprise integration patterns.
• Familiarity with DevOps practices and tools, including GitHub Actions and CI/CD pipelines.
• Proficiency with version control systems, particularly Git and GitHub.
• Experience with automated testing frameworks such as xUnit, Jest, or Playwright.
• Excellent problem-solving skills and strong communication and collaboration abilities.

Nice To Haves

• Experience extending AI tooling by building custom agents, Agent Skills, or Model Context Protocol (MCP) integrations used by other engineers.
• Experience with spec-driven development, authoring clear, testable specifications that guide AI agents to implement, verify, and iterate on features.
• Experience modernizing applications, including re-platforming and incrementally moving legacy applications to current .NET, cloud, and Clean Architecture standards.
• DevSecOps experience embedding automation, quality, and security across delivery, including CI/CD pipelines, infrastructure as code, automated testing, and blue-green or canary release strategies.
• Experience in manufacturing and/or supply chain.

Responsibilities

• Design, develop, and maintain applications across the Microsoft stack, using C#/.NET on the backend and TypeScript/React on the front end.
• Integrate applications with enterprise and external systems, including Oracle and MuleSoft, through RESTful APIs.
• Direct AI coding agents to implement, test, and refactor features while owning design decisions and the quality of delivered software.
• Build and maintain AI-native tooling, including custom instructions, prompt files, custom agents, and Agent Skills.
• Apply context engineering and multi-agent workflows to provide appropriate context and guardrails for production-ready code.
• Review AI-generated and human-written code for correctness, security, performance, and architectural integrity.
• Implement and manage CI/CD pipelines with GitHub Actions and deploy applications to Microsoft Azure.
• Ensure web application security, performance, and scalability across the stack.
• Participate in and lead code reviews, providing constructive feedback to peers.
• Mentor engineers in software fundamentals and AI-native practices, and keep current with tools and practices.
• Collaborate with product managers, designers, and business partners to align solutions with user needs.
• Communicate complex technical concepts to technical and non-technical audiences.

Benefits

• Medical and prescription drug plans.
• Telemedicine with a medical plan.
• High-Deductible Health Plan (HDHP) and Health Savings Account (HSA).
• Dental and vision plans.
• Virtual physical therapy.
• Employee assistance program (EAP).
• Voluntary accident, critical illness, and hospital indemnification programs.
• Retirement 401(k) program with company match.
• Voluntary employee stock purchase plan.
• Financial wellness planning.
• Paid parental leave.
• Flexible spending accounts (FSA) for child care and health care.
• Short-term and long-term disability.
• Basic life insurance.
• Accidental death and dismemberment (AD&D) insurance.
• Adoption financial reimbursement.
• Tuition reimbursement.
• Voluntary life insurance for employees, spouses, and children.
• Voluntary identity theft and fraud protection.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior