Poland · Available for senior roles

Piotr Kazimierski

Senior Salesforce Engineer / Enterprise Integration Specialist & System Architect

Architecting high-throughput cloud ecosystems, decoupled systems & multi-cloud enterprise solutions.

Senior Software Engineer focused on architecting and developing scalable solutions within the Salesforce ecosystem. Expert in Apex Enterprise Patterns (FFLIB/AWAF) and robust backend development, with extensive experience integrating Salesforce with Java-based microservices and AWS cloud-native architectures. Proven track record of delivering mission-critical systems (KYC, Onboarding, Lead Management) for large-scale financial environments.

Portrait of Piotr Kazimierski

Salesforce Certified Platform Developer I

Salesforce Certified Platform Developer II (PD2)

Salesforce Certified Agentforce Specialist

15+

Years in software engineering

5+

Years in Salesforce

KYC

Fintech scale systems

3

Salesforce certifications

01 / Architecture

Architectural competencies

System & Solution Architecture

End-to-end design of scalable enterprise systems, database modeling, identity management (OAuth2/SAML) and secure API gateways using EDA, DDD and microservices.

Enterprise Salesforce Stack

Deep technical governance across Platform Developer II, Agentforce, Financial Services Cloud, OmniStudio and Experience Cloud.

Multi-Cloud Integrations

Connecting Salesforce ecosystems with external backends via AWS Lambda, REST/SOAP APIs and messaging buses.

DevOps, CI/CD & Automation

Custom metadata comparison engines, automated deployment pipelines (SFDX, Python CLI tooling) and Infrastructure as Code.

Quality & Security Assurance

GoF design patterns, defensive programming, high test coverage and strict performance optimization to eliminate technical debt.

02 / Experience

Where I've built things

Senior Salesforce Developer · XTB (X-Trade Brokers)

March 2025 – present

Engineered high-scale onboarding and KYC infrastructure for a leading global brokerage house, supporting multi-jurisdiction compliance and real-time client acquisition for millions of users.

  • Automated Onboarding & KYC Orchestration

    Built integration layers with external KYC/AML providers and jurisdiction-specific logic for automated identity verification and risk assessment across global markets.

  • Proprietary Document Engineering (LWC/LWR/JS)

    Developed a high-performance contract generation engine handling dynamic document rendering and digital signing beyond standard platform limitations.

  • Java Microservices & Apex Integration

    Offloaded heavy business processes from Salesforce into Spring Boot / Micronaut services with robust event-driven communication.

  • Global Lead Conversion Framework

    Enhanced a multi-jurisdictional auto-conversion engine, cutting manual processing time while keeping data integrity across distributed systems.

ApexLWC/LWRJavaEvent-driven

Senior Salesforce Engineer · BCF Software

May 2024 – March 2025

Developed and scaled a mission-critical financial ecosystem for a digital lending venture backed by a top-tier Dutch banking group, combining Salesforce FSC with AWS serverless architecture.

  • Advanced LWC & Frontend Architecture

    Reactive, data-intensive interfaces for complex loan applications with strict LWC Security, state management and optimized rendering of real-time financial data.

  • Financial Services Cloud & Architecture

    CORE banking layer on FSC using FFLIB (Domain, Selector, Service, UoW), optimized for Large Data Volumes and race conditions in automated loan flows.

  • Full-Stack Serverless (Node.js/TypeScript)

    AWS Lambda microservices synchronising with Salesforce via Pub/Sub API, Change Data Capture and Platform Events.

  • DevOps & Security-First Culture

    Terraform IaC, automated deployment pipelines, Datadog observability and SonarCloud/PMD quality gates. 2GP modular metadata strategy for high-velocity CI/CD.

FSCFFLIBAWS LambdaTypeScriptTerraform

Senior Salesforce Developer · Accenture Poland

May 2021 – May 2024

Executed the technical evolution of flagship managed package solutions, migrating legacy Aura frameworks to high-performance Lightning Web Components.

  • Managed Package Development

    Refactored complex managed package components across Sales, Service and Consumer Goods Clouds for better performance and scalability.

  • System Integration & Middleware

    Synchronous and asynchronous integration layers over REST/SOAP APIs.

  • DevOps & Automation

    Custom Python tooling to automate CI/CD tasks, improving metadata deployments and release reliability.

  • Advanced Backend Development

    Robust Apex logic and optimized data models (SOQL/SOSL) for Large Data Volumes with high test coverage and enterprise security standards.

Aura → LWCManaged PackagesPythonREST/SOAP

Developer · BERTRAND Sp. z o.o. Sp. k.

April 2018 – April 2021

Developed modular product lines within the WinPro ERP system using C# and SQL, owning end-to-end release management and on-premises server deployments.

C#MySQL / MariaDBERP

Junior Java/Kotlin Developer · Entres LTD

November 2017 – April 2018

Built Java, Kotlin and Spring backend services alongside native Android applications, supporting containerized DevOps pipelines.

JavaKotlinSpringDockerKubernetesKafka

03 / Toolbox

Technologies I work with

Salesforce

  • Apex
  • LWC / LWR
  • Aura → LWC migration
  • FFLIB / AWAF
  • Financial Services Cloud
  • OmniStudio
  • Experience Cloud
  • 2GP Packaging
  • Pub/Sub API, CDC, Platform Events
  • SOQL / SOSL & LDV
  • Agentforce

Backend & Cloud

  • Java (Spring Boot, Micronaut)
  • Node.js / TypeScript
  • AWS Lambda & serverless
  • C# / .NET
  • C / C++
  • Kotlin
  • Python
  • REST / SOAP integrations
  • OAuth2 / SAML identity
  • EDA · DDD · Microservices
  • SQL (MySQL / MariaDB)

DevOps & Quality

  • Salesforce CLI & Scratch Orgs
  • CI/CD pipelines
  • Terraform (IaC)
  • Docker & Kubernetes
  • Kafka
  • Datadog observability
  • SonarCloud / PMD

04 / Contact

Let's talk architecture

Open to senior engineering and architecture work in the Salesforce and cloud space.