Jan Śledziewski

Senior Salesforce Developer

Full-stack Salesforce Developer and Technical Product Owner. On Salesforce trail since 2018. Focused on code quality and solution architecture.

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7 posts

May 13, 2025

APEX

FLOW

Importance of Having a Single Flow Trigger

Splitting trigger logic into multiple flows seams tempting, but it comes with a big disadvantage. Check how to avoid this mistake and adjust your strategy based on your project.

February 18, 2025

APEX

INTEGRATION

SOQL

Salesforce Mock in Apex Tests

Executing tests takes forever? You don’t have integrations in development environments? Your tests give different results depending on the instance? No worries, check if you can benefit from Mocking or Stubbing in your tests and more!

January 26, 2024

APEX

INTEGRATION

LEARNING

Future vs Queueable

In Apex, for a long time, a go to Asynchronous method was @Future annotation. Meanwhile, Queueable interface got built up with many useful tools to help developers. Is Queueable better now? Where does it stand in comparison to the @Future? Are there use cases when @Future is still valid? This guide will help you learn everything you need to know about using Asynchronous technologies.

September 29, 2023

APEX

INTEGRATION

LEARNING

Client Credentials custom Auth. Provider

Do you need to use Client Credentials flow? Or you are just wondering how to create one? Check this step-by-step guide with example on building custom Auth. Provider for Client Credentials. Contains a real life example using PayU API.

May 31, 2023

APEX

LWC

First Look on Code Builder

Code Builder is a new IDE created by Salesforce. It is meant to be run entirely in the browser, and comes with the Salesforce Extension pre-installed. Let see how reality looks like!

February 5, 2023

APEX

LEARNING