Anthony Steiner

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About

I’m a developer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.


Employment and project experience

Senior Developer Salesforce Inc.
January 2017 - March 2017

Full-stack Developer Microsoft Inc.
January 2019 - March 2019

  • 16 years' experience
  • Joined October 2025

Industry experience

  • Financial Services
  • Software & Internet
  • Government
  • Professional Services

Work experience· 15 roles

Director, Web Bridge · M&T BankOct 2023 – Present · 3 yrs 2 mos

Project work on Web Bridge as a COM Add-on companion application enabling intranet web apps to call into desktop-installed software via ActiveX/COM Add-ins.

Backend Software Engineer · MongooseMay 2022 – Oct 2025 · 3 yrs 6 mos

Worked on dotnet/.NET microservices, applying Mediator and CQRS patterns; created Terraform routines to automatically provision QA environments to avoid code collisions.

Principal Software Engineer · M&T BankMay 2022 – Present · 4 yrs 7 mos

Lead teams of 3-5 direct reports, mentored developers, and implemented CI/CD automations using Kubernetes, Node, NPM, NuGet, JFrog, and OpenShift; maintained ETL processes with SSIS; created reusable subroutines to reduce housekeeping burdens; contributed to dotnet 8 and Angular web apps for governance and auditing.

Backend Software Engineer · MongooseMay 2022 – Oct 2025 · 3 yrs 6 mos
Principal Software Engineer · M&T BankMay 2022 – Present · 4 yrs 7 mos
Senior Software Architect & Engineer · Self-Employed (Contractor)Sep 2021 – Oct 2025 · 4 yrs 2 mos
Senior Software Architect & Engineer · Self-Employed (Contractor)Sep 2021 – Oct 2025 · 4 yrs 2 mos
Lead Engineer · InnerApps, LLC (dba IDSync)Jul 2020 – Oct 2025 · 5 yrs 4 mos

Certifications and awards· 10

Angular (Intermediate) - HackerRank2024 – 2025
C# - HackerRank2024 – 2025
Java - HackerRank2024 – 2025
Python - HackerRank2024 – 2025

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