Lead Software Engineer - C# / .Net

M&T Bank•Wilmington, DE

23h•Onsite

About The Position

This is a highly visible Lead Software Engineer role supporting a core loan agency technology ecosystem during a period of significant modernization. In this role, you’ll help rebuild and standardize integrations around a critical vendor platform while contributing at both the hands‑on engineering and technical leadership levels. You’ll partner closely with peers and stakeholders to modernize a complex, long‑standing environment—upgrading core platforms, redesigning integrations, and applying consistent engineering patterns that improve resiliency, scalability, and long‑term maintainability. This is an ideal opportunity for a technically strong engineer who enjoys solving complex problems, influencing standards, and helping shape the future state of an enterprise platform.

Requirements

Associate’s degree and a minimum of 7 years’ systems analysis and/or application development work experience or Bachelor's degree and a minimum of 5 years' systems analysis and/or application development work experience.
In lieu of a degree, a combined minimum of 9 year’s education and/or relevant work experience, including a minimum of 5 years’ system analysis and/or application development work experience.
Expert proficiency in a minimum of 1 relevant programming language and professional proficiency in a minimum of 1 additional relevant programming language.
Strong experience with C# / .NET based application development
Experience building and supporting RESTful APIs and service‑based architectures
Familiarity with DevOps practices, CI/CD pipelines, and automated quality/security scanning
Exposure to modern front‑end frameworks (e.g., Angular)

Nice To Haves

Experience modernizing or standardizing integrations within a complex or legacy environment
Loan agency or vendor platform experience (e.g., Loan IQ, Finastra products) is a plus but not required
Expert analytical skills specific to application development
Experience working in a collaborative, team‑based environment
Ability to work autonomously while managing multiple complex initiatives
Strong organizational, time management, and communication skills
Experience leading projects or initiatives and partnering with multiple technology and business stakeholders

Responsibilities

Develop, enhance, and modernize applications while coaching other team members and working independently within approved Software Development Life Cycle (SDLC) processes, ensuring solutions meet business needs and minimize risk through clean, resilient code.
Design, build, and maintain backend services and REST APIs, with exposure to modern front‑end technologies (e.g., Angular) as part of an integrated solution.
Review, approve, and oversee design proposals and pull requests, ensuring changes align with architectural standards, security expectations, and change‑management requirements.
Establish and reinforce consistent integration patterns and development standards across a complex ecosystem that has evolved over many years.
Author organized, efficient, secure source code at an expert level in at least one programming language (e.g., C#/.NET) and provide guidance to team members on data structures, algorithms, and implementation approaches.
Oversee source control management activities, including reviewing contributions and merging code into the production deployment path.
Review testing strategies and code coverage to ensure comprehensive validation, and coach others on opportunities to improve test quality and reliability.
Drive adherence to best practices for performance testing, resiliency, optimization, and DevOps tooling, including CI/CD pipelines and automated scanning.
Review and approve requirement plans on behalf of the team, partnering with delivery and business stakeholders to ensure completeness, accuracy, and feasibility.
Serve as a key technical partner across teams, proactively identifying opportunities for continuous improvement where architectural or technical concerns exist.
Contribute to application architecture, engineering practices, and pattern evolution, including presenting at architecture peer groups and review boards.
Communicate architecture, progress, risks, and challenges clearly to both technical and non‑technical stakeholders.
Present team accomplishments in internal forums and contribute to internal knowledge sharing (e.g., blogs, presentations).
Understand and adhere to the Company’s risk and regulatory standards, policies, and controls; identify and escalate risk‑related issues as appropriate.
Promote an environment that supports a culture of belonging and reflects the M&T Bank brand.
Maintain internal control standards, including timely implementation of audit findings and regulatory items, as applicable.
Perform other related duties as assigned.