Marcin J.

Marcin J.

Salesforce developer

Poland
Trusted member since 2025
6 years of experience

He brings strong capabilities in designing scalable, modular architectures and has deep experience integrating with external data vendors, making him a valuable asset in complex, enterprise-grade Salesforce environments.

A standout achievement in Martin’s career was leading the development of a Customer Community Portal for Philip Morris International (PMI). This global solution supported over 90 countries in 22 languages, and featured a dynamic, reusable form framework built with Lightning Web Components (LWC) and custom metadata. His architectural design enabled flexible form management that aligned seamlessly with evolving business requirements.

Martin is known for his strategic thinking, technical depth, and ability to translate complex needs into elegant, future-proof solutions within the Salesforce platform.

Main expertise

SalesforceSalesforce5 years
Security5 years
GitGit6 years
IntelliJIntelliJ6 years
4+

Experience5

Novartis

Saleforce Technical Architect

Novartis
Pharmaceuticals
Mar 2024 · 2y 1m
  • Designed scalable and future-proof solutions in HealthCloud, SalesCloud, and Service Cloud, ensuring seamless system expansion and adaptability.
  • Collaborated closely with Solution and Technical Architects on cross-team functionalities.
  • Led the implementation strategy involving MuleSoft, AWS, and external data vendors, ensuring smooth integrations.
  • Ensured the development team adhered to the latest development and security standards.
  • Worked closely with Dev Leads across multiple teams to address concerns, answer questions, and provide technical solutions during development.
  • Conducted Salesforce Major Release impact assessments (Spring, Summer, Winter) to maintain system stability and compatibility.
JavaScriptJavaScript
HTMLHTML
Node.jsNode.js
PythonPython
IntelliJIntelliJ
4+
P&G

Senior Salesforce Developer

P&G
Retail
Feb 2023 - Feb 2024 · 1y
  • Implemented a Document Sharing Manager that enabled file uploads with automatic sharing based on account access and hierarchy.
  • Designed and implemented a custom sharing model architecture to improve data accessibility.
  • Developed a daily file sharing recalculation mechanism to ensure updates were applied in response to changes in account sharing.
  • Delivered a custom territory management solution, utilizing sharing rules and role hierarchy for optimized access control.
JavaScriptJavaScript
HTMLHTML
Node.jsNode.js
IntelliJIntelliJ
GitGit
5+
DTIQ

U.S. Camera System Provider Corporation – Senior Developer

DTIQ
Jan 2021 - Jan 2022 · 1y
  • Delivered a custom CPQ Cloud implementation, significantly improving performance—achieving a 1000% speed increase while aligning with client requirements.
  • Developed advanced Lightning Web Components (LWC) with embedded screen flows to enhance the user experience.
  • Implemented custom financial calculations, streamlining processes and improving the efficiency of end-users' daily workflows.
JavaScriptJavaScript
HTMLHTML
Node.jsNode.js
IntelliJIntelliJ
GitGit
3+
PMI

Salesforce Developer | Development Leader

PMI
Manufacturing
Jan 2020 - Jan 2023 · 3y
  • Led the implementation of a Customer Community Portal in Salesforce Experience Cloud, supporting operations across 90+ countries and 22 languages for employee and manager management.
  • Developed a custom mention functionality to enhance user interaction within the portal.
  • Delivered a Rate Your Experience component, integrated with Qualtrics via websocket technology.
  • Implemented a Custom Forms framework using custom metadata and Lightning Web Components (LWC), enabling dynamic form generation with reusable components and validation logic.
JavaScriptJavaScript
HTMLHTML
Node.jsNode.js
PythonPython
IntelliJIntelliJ
6+

Senior Salesforce Developer

Roche (Genentech) - Healthcare Ind
Pharmaceuticals
Jan 2017 - Jan 2021 · 4y
  • Delivered a custom Salesforce Experience Cloud, Service Cloud, and Sales Cloud solution for patient registration and MD panel management.
  • Developed features for managing prescriptions, dosages, and drugs, ensuring seamless healthcare workflows.
  • Integrated with multiple external data vendors, implementing advanced merge logic for accurate and efficient data handling.
JavaScriptJavaScript
HTMLHTML
Node.jsNode.js
PythonPython
IntelliJIntelliJ
4+

Assessments

Engineering excellence

Marcin’s overall performance in a 90-minute live technical assessment ranks in the top 10% of vetted Salesforce developers at Proxify.

Certificates 2

Salesforce
Sharing and Visibility ArchitectSalesforce

Issued Feb 2024

Salesforce
Salesforce Platform DeveloperSalesforce

Issued Feb 2024

Salesforce
Sharing and Visibility ArchitectSalesforce

Issued Feb 2024

Do you want to know more about Marcin’s certifications?Book a call

Education

PP
Politechnika Poznańska
IT Systems in Electrical Engineering2012 - 2017

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