Brian Kessler

is available. ✅

Angestellt, Senior Full-Stack Software Developer (Azure C# & TypeScript/React), Abacus Medicine
Budapest, Hungary

Fähigkeiten und Kenntnisse

Technology consulting
Salesforce
C#.NET
Salesforce CRM
Lightning Platform
APEX
Lightning Components
VisualForce
JavaScript
TypeScript
EcmaScript 6
Scala
Software
C#
Software Development
Software Testing
SFDC
Technical writing
IT Technical Writing
Technical Documentation
Writing
Creative Writing
Photography
Java
Web
Aura Components
XML
HTML
Agile Development
Agile
Agile Methods
Agile Software Development
Scrum
KANBAN
C# Development
Microservices
Microsoft Azure
CosmoDb
MongoDB
English Language
REST
Git
Windows
Angular
Information technology
Software solutions
Code
Jira
Computer
Technology
apex
Salesforce Apex
javascript
Elixir (programming language)
React
Hangfire
Entity Framework
Apex
Force.com

Werdegang

Berufserfahrung von Brian Kessler

  • Current 4 months, since Mar 2026

    Senior Full-Stack Software Developer (Azure C# & TypeScript/React)

    Abacus Medicine

    • Delivered features across a large legacy-heavy enterprise monorepo (~100 projects) using AI-assisted agentic engineering workflows in C# (Entity Framework, Razor, Hangfire), TypeScript/React, and Microsoft SQL, focusing on maintainability and safe incremental delivery

  • 1 year and 9 months, Jun 2024 - Feb 2026

    Senior Software Engineer (AWS C# & Salesforce Apex)

    EF Education First

    • Developed and refactored C# integration services on AWS (Communication Server, OneCard Integration), implementing secure credential handling via Azure App Registration and AWS Secrets Manager, improving reliability and extending email functionality • Contributed to Salesforce applications, building Apex automation, reusable frameworks, and external system integrations • Utilized AI-assisted development tools while maintaining engineering standards

  • 3 years and 8 months, Jul 2020 - Feb 2024

    Senior Software Developer (Azure C# & Salesforce Apex)

    Enpal GmbH

    • Designed and developed Azure-based middleware (App Services, Function Apps in C#, TypeScript, JavaScript), using Azure Service Bus, caching layers (Cosmos DB/MongoDB), and event-driven messaging to mitigate Salesforce API limits • Built and maintained integration flows between Salesforce and Azure middleware, including REST APIs, Bulk API 2.0, Platform Events, Change Data Capture, and custom endpoints • Acted as technical lead for Salesforce and Microsoft Dynamics 365 Finance & Operations integration

  • 1 year and 9 months, Nov 2018 - Jul 2020

    Senior Software Developer (Azure C#, Salesforce Apex, & Elixir)

    On AG

    • Maintained and enhanced a legacy ERP (FinancialForce/Ascent) and 3PL integration system (Kuehne + Nagel), including Salesforce Apex-based data transformations (object/XML conversion), test data factories, and multi-operation DML transaction frameworks • Built CI/CD infrastructure by implementing a Salesforce Sandbox management system using Elixir and Phoenix • Implemented Microsoft Dynamics 365 integrations on Azure using Function Apps (C# / TypeScript) and Logic Apps

  • 1 year and 1 month, Mar 2017 - Mar 2018

    Senior Software Developer / Advanced Application Engineer (Salesforce Apex)

    Accenture

    • Developed a custom Single-Sign-On (SSO) system for a German utility company integrating third-party applications via Apex-based REST APIs, asynchronous processing, and automated workflow/checklist logic • Built a prototype facial-recognition mobile application using Salesforce Einstein and a Kotlin-based Android native client • Maintained and enhanced Salesforce Apex and Lightning/Aura applications

  • 4 years and 1 month, Jan 2013 - Jan 2017

    Full-Stack Software Developer (Scala, JavaScript & Salesforce Apex)

    EPAM Systems

    • Developed UI and API components for monolith that transitioned from PHP to Scala-based backend services with multiple frontends • Worked across multiple frontend stacks including JavaScript (ES6), TypeScript, AngularJS, Angular, Ember, and a proprietary UI framework within a complex MVC-style architecture • Built and maintained Salesforce-based extensions • Contributed to quality engineering and testing frameworks across Java and C# ecosystems, including unit, integration, BDD, and performance testing

  • 5 months, Aug 2012 - Dec 2012

    Software Developer (Salesforce Apex)

    Tquila

    • Developed Apex Classes and Triggers to control Contact-User Customer Portal Access to Libraries, Documents, and Custom sObjects via Public Groups. • Developed VisualForce pages and Apex code to facilitate casting one custom sObject into another custom sObject within a workflow-approval context.

  • 7 years, Jan 2006 - Dec 2012

    SalesForce Developer, Software Development Manager

    Flux Szerviz

    • Developed applications to facilitate selling of carbon credits on Salesforce.com • Managed PHP developers and iPhone developers. • Wrote & edited SRS/SDS documentation

  • 1 year and 7 months, Feb 2011 - Aug 2012

    SalesForce Specialist, SQT Analyst

    Vodafone Shared Service Centre

    • Liaison between the developers and commercial managers to collecting, interpret, and organizing information required developing country specific implementations of the Sales Quotation Tool (SQT), a SalesForce application. • UAT Testing SQT and iBid, organizing testers, and reporting bugs • Documenting and training users to exploit SQT and iBid • Tracking and reporting status of Vodafone pricing automation (PA) tools • Managing the VOCH VPD SharePoint website

  • 1 year and 7 months, Jan 2007 - Jul 2008

    Technical Writer+

    Howdygroup Kft

    • Wrote, edited, and illustrated software requirement and design specifications. • Wrote & edited user guides. • Wrote & proofread site-copy & business correspondence. • Provided testing and quality assurance for webware product.

  • 22 years, Jan 1985 - Dec 2006

    Author, Editor, IT Consultant, Technician

    SpacePort Industries, UnLimited

    • Instructed computer skills for Computer Science Institute & private clients. • Built, repaired, upgraded computers & component hardware. • Installed, configured, maintained, & updated operating systems & software • Provided field service for desktops & laptops.

  • 1 year and 11 months, Jan 2005 - Nov 2006

    Project Manager, IT Strategist, Technical Director

    Everly Originals

    • Developed & maintained websites. • Developed & administered private intranets. • Initiated and managed Search Engine Marketing & Optimisation • Planned, wrote software specifications, & managed the development of application. • Wrote & edited procedure guides, & reference manuals. • Optimised production team by demonstrating software & troubleshooting issues. • Established a secure mutlihomed, multisubnet gigabit Ethernet & wireless network.

  • 8 months, Jan 2002 - Aug 2002

    Web Designer, IT Consultant

    Princeton Design Group

    • Designed, developed, & maintained websites (HTML / VBScript / ASP). • Integrated & secured PayPal functionality for file downloads. • Designed & developed unique 3-pane ("Outlook Metaphor") shopping-cart. • Contributed towards development of custom "Post-It" note software. • Wrote patent application for Nasal Guard.

Sprachen

  • English

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