The Senior Software Engineer – Generative AI is a hands‑on technical contributor responsible for designing, developing, and integrating Generative AI–enabled capabilities within M&T Bank’s secure, governed enterprise environment. This role combines strong software engineering fundamentals with applied GenAI experience and partners closely with product, architecture, and engineering teams to deliver scalable, reliable, and responsible AI solutions.
Key Responsibilities
Design, develop, and support GenAI‑enabled features including AI‑assisted coding, documentation, testing, analysis, and workflow automation
Implement and maintain retrieval‑augmented generation (RAG) solutions, including data ingestion, embeddings, vector stores, and search pipelines
Design and build agent‑based and tool‑invoking GenAI workflows, including multi‑step LLM interactions using approved enterprise platforms
Develop and integrate APIs and backend services connecting LLMs to internal systems and approved third‑party tools
Lead prompt design, testing, and iteration to improve output quality, relevance, and safety
Participate in model testing, evaluation, and performance analysis using established enterprise frameworks
Contribute hands‑on development using modern languages and frameworks (e.g., Java, Python, C#)
Collaborate with Product Managers, Architects, and Engineers to translate requirements into technical solutions
Provide technical guidance and mentoring to less experienced engineers
Follow and promote M&T Bank SDLC, security, and responsible AI standards
Required Qualifications
Associate’s degree and a minimum of 5 years’ systems analysis and/ or application development work experience or Bachelor's degree and a minimum of 3 years’ systems analysis and/ or application development work experience. In lieu of degree, a combined minimum of 7 years’ education and/or relevant work experience, including a minimum of 3 years’ systems analysis and/or application development work experience
Strong foundation in software engineering principles, data structures, and algorithms
Hands‑on experience with Java, Python, or C# in production environments
Experience with RESTful APIs, API‑driven development, and Git‑based version control
Working knowledge of machine learning and large language model (LLM) fundamentals
Experience working within enterprise SDLC, security, and compliance standards
Preferred Qualifications
Experience implementing Generative AI solutions in enterprise or regulated environments
Hands‑on experience with RAG architectures, embeddings, and vector databases
Familiarity with Transformer‑based models, attention mechanisms, and tokenization
Experience with Microsoft Azure, including Azure‑based AI services and GenAI platforms
Exposure to CI/CD pipelines, DevOps tooling, and automated testing
Understanding of responsible AI, data privacy, and model governance principles
M&T Bank is committed to fair, competitive, and market-informed pay for our employees. The pay range for this position is $97,100.00 - $161,800.00 Annual (USD). The successful candidate’s particular combination of knowledge, skills, and experience will inform their specific compensation.
Buffalo, New York, United States of America
Great companies have an enduring sense of purpose. At M&T, our purpose is a simple one: make a difference in people’s lives and uplift the communities we serve. Founded in 1856 in Buffalo, NY we are now a top 11 full-service US-based commercial bank with a retail footprint across the east coast and wealth services available nationwide and abroad. As a bank, we offer advice, guidance, expertise, and solutions across the entire financial spectrum that combines M&T’s traditional banking services with the wealth management and institutional capabilities offered by Wilmington Trust. We are a community-minded organization with more than 167 years of experience. We serve customers, community, and colleagues whether they be across the street, across the state or across the country.
As an employer of choice, we are proud to offer competitive benefits ranging from medical and retirement to forty hours of paid volunteer time, each year. Our core values drive the work we do – integrity, ownership, collaboration, curiosity, candor and we seek to further build upon our record of success by bringing in top talent and fresh skill sets while continuing to support the growth and development of all our team members.
M&T Bank is unwavering when it comes to providing equal employment opportunities to all employees and applicants without regard to race, color, national origin, religion, ethnicity, sex, gender identity, age, disability, citizenship, pregnancy, veteran status, military status, marital status, sexual orientation, genetic information or any other characteristic protected under applicable federal, state or local laws.
