Senior Software Engineer - Enterprise Design System (TypeScript)

Location: Buffalo, New York, United States; hybrid with on-site work and flexibility to work from home one day per week

Annual salary: $97,100–$161,800 USD

Company

M&T Bank provides banking products and services and maintains internal digital platforms subject to risk, regulatory, audit, and control requirements.

What you will do

• Engineer and evolve a shared TypeScript front-end design system with reusable UI components, patterns, and utilities.
• Translate approved UX/UI designs into robust, accessible components and develop framework-agnostic Web Components.
• Build and operate Node.js tooling for packaging, testing, linting, publishing, and CI/CD automation.
• Maintain documentation, usage guidelines, examples, release notes, semantic versioning, and deprecation practices.
• Support internal consumers by troubleshooting integrations, triaging defects, improving developer experience, and providing guidance on accessibility.
• Collaborate with product, design, QA, and engineering teams while following risk, regulatory, audit, and internal control standards.

Requirements

• Associate’s degree plus at least 5 years of systems analysis and/or application development experience, or a bachelor’s degree plus at least 3 years of such experience; alternatively, 7 years of combined education and/or relevant work experience including at least 3 years of systems analysis and/or application development experience.
• Professional experience engineering reusable front-end components with JavaScript or TypeScript.
• Experience with Node.js and front-end build tooling for packaging, testing, publishing, and CI pipelines.
• Experience with code reviews, automated testing, and continuous integration.
• Advanced proficiency with at least one modern front-end framework: Angular, React, Vue, Solid, Svelte, or Lit.

Nice to have

• Deep experience implementing and validating accessible component behavior and familiarity with WCAG.
• Experience with Storybook or similar design system tooling and component documentation.
• Familiarity with Figma handoffs, component specifications, design tokens, and interaction guidance.
• Hands-on experience with Angular, React, and Lit in a component-library or design-system context.
• Experience with Web Components, custom elements, Shadow DOM concepts, and framework integration.
• Experience maintaining internal packages for multiple consuming teams, including versioning, release notes, and deprecation strategies.
• Experience with monorepos, package managers, bundlers, linters, developer experience improvements, and Agile teams.
• Ability to work autonomously and multitask on complex projects, with strong organization, time management, and written and verbal communication skills.

Culture & Benefits

• Hybrid work arrangement with one work-from-home day per week.
• Health, welfare, and retirement benefits, including a 401(k) match of 5%.
• Work-life balance and flexible work arrangements.
• Banking Officers receive 25 days of paid time off plus 12 paid holidays.
• 40 hours of paid volunteer time per year.
• Competitive, market-informed compensation based on knowledge, skills, and experience.