Principal Software Engineer

Acme Smoked Fish•New York, NY

2d•$186,000 - $241,000•Onsite

About The Position

The Principal Software Engineer sets the technical direction and architecture across Acme's production application portfolio, including enterprise analytics, conversational AI, document automation, ERP integration, e-commerce sync, manufacturing systems, and the AI automation platform. This is an individual-contributor role at the architect level. The Principal Engineer leads the design and delivery of the highest-complexity initiatives end-to-end, owns architectural patterns and engineering standards across the platform, and provides technical mentorship to senior and mid-level engineers. This role requires deep expertise across .NET, Azure, data, and modern AI development practices, and the ability to operate as a hands-on architect who writes production code.

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or a related field.
10+ years of progressive software engineering experience with a proven track record of designing, architecting, delivering, and supporting complex production systems at scale.
Deep expertise in Microsoft .NET/C# application development across the full technology stack, including backend services, APIs, integrations, distributed systems, and modern web applications built with technologies such as React and TypeScript.
Advanced experience with Microsoft Azure, including the design, deployment, and support of cloud-native solutions leveraging App Service, Container Apps, Functions, Service Bus, Storage, Entra ID, and Azure SQL Managed Instance.
Strong database and data engineering capabilities, including T-SQL development, performance optimization, ETL/ELT pipelines, dimensional modeling, and modern data platforms and tools such as Python, dbt, Airflow, Parquet, and Delta Lake.
Experience designing and delivering AI-enabled applications utilizing retrieval-augmented generation (RAG), agents, structured outputs, tool integrations, evaluation frameworks, and AI-assisted development tools such as GitHub Copilot, Cursor, or Claude Code.
Proven ability to make sound architectural decisions, establish technical standards, and drive scalable, maintainable solutions across multiple production systems and business functions.
Strong DevOps and software delivery practices, including Git-based source control, CI/CD pipelines, automated testing, observability, monitoring, and operational excellence.
Demonstrated success mentoring engineers, elevating engineering best practices, and fostering a culture of technical excellence, continuous improvement, and accountability.
Excellent written and verbal communication skills with the ability to effectively influence and collaborate with technical teams, business stakeholders, and executive leadership.
Commitment to ongoing professional development and completion of required training and standards of work.

Nice To Haves

Experience in manufacturing, food, beverage, or consumer packaged goods (CPG) environments is preferred.
Infor M3 or other Tier 1 ERP integration experience is a plus.

Responsibilities

Set the technical direction and architecture across Acme's production application portfolio, including enterprise analytics, conversational AI, ERP integration, e-commerce sync, manufacturing systems, and the automation and agent platform.
Lead the design and delivery of the highest-complexity initiatives end-to-end, from problem definition through architecture, implementation, deployment, and operations.
Own architectural patterns, technology selection, and engineering standards across .NET, Azure, data, and AI application development.
Partner with the CDIO on the multi-year technology roadmap and architectural direction.
Drive technical alignment across product, manufacturing, finance, and supply chain partners by translating business requirements into deliverable architecture.
Mentor senior and mid-level engineers through paired delivery, design partnership, and code reviews.
Lead design reviews, architecture reviews, and the resolution of cross-system technical issues.
Diagnose and resolve the most complex production issues across the application portfolio.
Establish and maintain engineering practices including source-control standards, code-review processes, automated testing, observability, and incident response.
Evaluate and adopt emerging technologies, particularly in AI, agentic systems, and developer productivity, and integrate them into the platform
Maintain technical documentation including architecture decision records and design specifications.
Lead incident response and post-mortem reviews for portfolio-impacting issues.
Other duties as assigned.