Code Essence
Engineeringconfidenceinto software
We help companies build stable, scalable systems through automated testing, strong engineering practices and thoughtful software architecture.
test('engineering confidence', async ({ app }) => {
await app.simulateRealWorld();
expect(app).toHandle('unexpected input');
expect(app).toSurvive('edge cases');
expect(app).toRecoverFrom('failure');
// Because happy paths are not enough.
});
Behind Code Essence
Experience, expertise and a hands-on approach.
Saša Cvjetković
Founder · QA Automation Engineer · Technical Consultant
Portrait coming soonCode Essence is an independent software engineering consultancy founded by Saša Cvjetković, a QA automation specialist with more than a decade of experience in software quality, engineering and technical leadership.
My background spans test automation, cross-platform mobile testing, CI/CD pipelines and quality strategy. I have worked across international projects in aviation, medical technology and mobile applications, combining hands-on engineering with team leadership and mentoring.
Today, Code Essence brings that experience directly to clients: practical solutions, clear communication and a focus on maintainable software. The company is intentionally lean, with the flexibility to expand as projects and partnerships grow.
10+
Years in software quality
QA + Dev
Automation and engineering
Lead
Teams and mentoring
Selected experience
A foundation built across different industries.
2023 — Present
Code Essence
Founder · QA Automation Consultant
B2B quality engineering engagement in aviation, including automation framework development and manual testing.
2020 — 2023
HTEC
QA Automation · Tech / Team Lead
QA leadership on a US medical technology project and automation and CI/CD work for a cross-platform mobile app.
2014 — 2020
Digital Elektronik
Senior QA Automation · Team Lead
Product and system quality assurance, automation, technical ownership and team leadership.
Education: Master's degree in Software Engineering — Faculty of Science, Novi Sad.
Services
Quality engineered into every stage.
Automation First
Reliable pipelines with automated tests integrated directly into CI/CD workflows.
Engineering Discipline
Clean architecture, maintainable code and pragmatic engineering decisions.
Quality Culture
Helping teams adopt practices that prevent bugs instead of just detecting them.
Approach
Practical engineering. Measurable confidence.
We combine automation, thoughtful architecture and pragmatic quality practices to help teams release faster without sacrificing stability.
Work
Reliable software, built to scale.
Selected projects and case studies can live here as your portfolio grows.
Build software you can trust.
If your team needs stronger automation or more reliable engineering processes, let’s talk.
sasa.cvjetkovic88@gmail.com