Petr Vavruska

Expert Generalist¹ software engineer with 8+ years building systems across backend, frontend, and cloud infrastructure. Equally comfortable making architectural calls, shipping features, deploying to production, or wiring up infrastructure. Getting things done matters.

Location

Pilsen, Czech Republic

Experience

8+ years

Currently

Business Applications Eng.

Focus

Full-stack + Cloud + Salesforce

Experience

Business Applications Engineer @ DNAnexus

Nov 2021 – present

IT Security team, multi-omics cloud platform · contractor since Dec 2024

Built and owned features across CRM, ERP, and cloud infrastructure (Salesforce, NetSuite, AWS) — from design to production deployment and user training
Built Python/Lambda automations and Terraform-managed infrastructure for security provisioning, audit workflows, ETL pipelines, and finance data warehousing
Designed Salesforce security model and NetSuite role architecture; implemented SSO/SCIM
Built a Salesforce support case assistant leveraging VertexAI — automated case triage and response
Led cross-functional collaboration and managed external contractors for development and security testing

Senior Software Engineer & Dev Lead @ Certicon

Nov 2019 – Nov 2021

Full-stack development, Medical Solutions division

Led a small team to deliver a role-based access control system built on Spring Boot microservices, Kafka, and Open Policy Agent
Managed deployments to EKS via Helm and Azure DevOps pipelines
Contributed to tech stack upgrade and cloud migration of a clinician-facing app (Angular, .NET Core, MS SQL, Octopus Deploy)

Freelance Salesforce Consultant

Nov 2019 – present

Independent, ongoing client engagements

Custom development and system integrations on the Salesforce platform (Apex, LWC) for ongoing client engagements

Senior Salesforce Consultant @ Isobar Switzerland

Nov 2017 – Nov 2019

Analysis, design, and full-stack development on Salesforce platform

Delivered multiple heavily customized CRM systems including customer/partner portals, data management platforms, sales and customer care applications
Integrated third-party systems (SharePoint, NetSuite, SAP) and built responsive community apps
Work featured in a top session at Dreamforce 2019

Java Developer @ Inventi

Jun 2017 – Nov 2017

CRM feature development in Java EE — Hibernate, JSF, JBoss, Jenkins

Analyst Programmer @ CGI

May 2016 – Feb 2017

Early-career Salesforce development — Apex, Aura components, automated testing, client consulting

Education

University of Exeter — BSc Computer Science

2014 – 2017

Skills

Certifications

Salesforce Certified Administrator SU18
Salesforce Certified Platform Developer I WI18
Salesforce Certified Platform Developer II WI19
Salesforce Certified Integration Architecture Designer SU19

Contact

JSON

{
  "name": "Petr Vavruska",
  "email": "petrvavruska@yahoo.com",
  "phone": "+420 607 512 364",
  "location": "Pilsen, Czech Republic",
  "linkedin": "linkedin.com/in/petr-vavruska-43925b107"
}

1. Fowler, Martin. “Expert Generalists.” Martin Fowler, July 2025, martinfowler.com/articles/expert-generalist.html. Accessed 20 April 2026. Yes, this CV has a footnote.