Hire the Best Test Automation Engineers
in Serbia

QA Engineer with experience testing web and mobile applications across SaaS, education, marketplace, and lifestyle products. My background combines quality assurance, business analysis, and product-oriented thinking, allowing me to support both product quality and workflow improvement throughout the development process. I’ve worked in freelance and company environments, collaborating closely with developers, designers, and product teams, executing regression cycles, validating A/B testing variations, reviewing requirements, and ensuring smooth user experiences across multiple releases. What I can help with: - test case, checklist, and documentation creation - exploratory, smoke, and regression testing - bug reporting with clear reproduction steps - UI/UX and workflow validation - pixel-perfect Figma validation - requirements analysis and acceptance criteria review - API testing - QA localisation - support with product documentation and process flows - test automation support I’m comfortable working in Agile environments and using tools such as Jira, Confluence, Figma, and Postman. In addition to QA responsibilities, I bring 8+ years of remote work experience, strong organizational skills, clear communication, and attention to detail. Currently pursuing a degree in Software and Information Technologies, with exposure to SQL, APIs, UML, and multiple programming languages and development tools. If you're looking for a reliable QA Engineer who communicates clearly, thinks critically, and focuses on both product quality and user experience - I'd be glad to work with you.

With 5+ years of QA automation experience, I've designed and maintained end-to-end test suites for high-traffic platforms — from gaming solutions handling thousands of daily users to enterprise SaaS products with complex workflows. What I bring to your project: — UI automation with Cypress and Playwright (cross-browser, responsive, and mobile-ready) — API testing and validation with Postman and REST-assured — Selenium/WebDriver for legacy and cross-platform coverage — CI/CD integration (GitHub Actions, Jenkins, GitLab CI) — Test strategy, framework setup from scratch, and team mentoring — Clear documentation and reporting so your whole team stays informed I've completed 30+ contracts on Upwork with consistent 5-star reviews, and I've held long-term engagements (1,000+ hours) because clients trust me to work independently and deliver reliably. If you need someone to build your test automation from scratch, expand existing coverage, or rescue a flaky test suite — let's talk.

Launching a SaaS or mobile product and need a clear go/no-go answer—not another spreadsheet of low-value bugs? I run senior-level release-readiness audits for B2B SaaS and mobile teams. I combine exploratory testing, API validation, access-control testing and targeted automation with Playwright or Cypress. Recent results: • 45 documented findings and 4 critical access-control vulnerabilities found before a SaaS production launch • 40+ actionable bugs identified across 5 iOS builds, with clear regression tracking • Root-caused a recurring issue that had previously been reported multiple times without resolution What you receive: • Risk-ranked findings with clear reproduction steps • Screenshots, videos, logs and supporting evidence • Regression and retest status • A concise release-readiness or go/no-go summary • Deliverables your developers can use immediately Best-fit engagements: • Pre-launch SaaS and mobile QA audits • Per-build regression passes • API, authentication, RBAC and IDOR-focused testing • Playwright or Cypress automation • Ongoing fractional QA support I have 15 years of QA experience, including Senior QA Engineer work at Culture Amp and QA Team Lead responsibilities at Seven Bridges. I have led deploy processes and contributed to release decisions, so I focus on product risk—not just bug counts. Tell me what you are shipping, your target release date and the workflow you consider most risky. I will tell you where I would test first.

I help SaaS, eCommerce, and enterprise teams ship faster with confidence — by building scalable test automation frameworks that catch critical bugs before they reach production. With 14 years of QA experience across 10+ enterprises in Europe and the US, I specialize in end-to-end automation using Selenium, Playwright, and Java, integrated directly into CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI). My work has consistently delivered measurable results: - 10,000+ automated tests built and maintained for an enterprise platform, cutting release time by 40% - Reduced production bugs by 60% for an online retailer through improved test coverage - Saved 20+ hours per sprint by introducing regression automation for a B2B SaaS product - Led a team of 7 QA engineers delivering automated, functional, security, and load testing What I offer: - Test automation framework setup and maintenance (Selenium WebDriver, Playwright, Appium) - API testing with Postman and REST Assured - CI/CD pipeline integration (Jenkins, GitHub Actions, GitLab) - Manual and automated regression, functional, smoke, and integration testing - Test management with TestRail and JIRA - Mobile testing (iOS and Android with Appium) - Performance and load testing with JMeter Industries: SaaS, eCommerce, FinTech, Healthcare, B2B platforms I bring senior-level QA ownership — from strategy and framework design to execution and reporting. Whether you need to build automation from scratch or strengthen an existing suite, I deliver clean, maintainable solutions that scale with your product. Let's talk about your project.

QA Engineer with 3 years of commercial experience in testing web applications, including complex, high-load products. I work with manual testing, test automation, and actively use AI tools and AI agents to improve testing efficiency, coverage, and speed. I have hands-on experience in full-cycle testing: requirements analysis, test design, bug tracking, automation, and CI integration. I also apply AI-assisted approaches to testing, including test generation, exploratory testing support, and analysis of edge cases. What I can help you with: - Manual testing (functional, regression, smoke, exploratory) - Test case & checklist creation (including AI-assisted test design) - Bug reporting with clear reproduction steps and evidence - API testing and validation - Test automation from scratch or maintenance of existing frameworks - AI-assisted exploratory testing and test coverage improvement - Improving QA processes and workflows using modern tools Tech stack & tools: - Automation: Playwright, TypeScript - Manual testing: Web & API testing - API: Postman, Bruno - CI/CD: Git, CI pipelines - Test management & reports: Allure - Databases: SQL (DataGrip, DBeaver) - AI tools: AI agents, LLM-based tools for test generation, analysis, and QA support - Task tracking: Jira / Tracker - Other: Git, Linux basics, REST, HTTP, JSON Strong in: - Test design techniques (equivalence partitioning, boundary values, state transitions) - Using AI tools to speed up test creation and uncover edge cases - Writing clean, maintainable, and scalable automated tests - Analyzing logs, failures, and flaky tests - Working with documentation and unclear requirements - Strong attention to detail and quality mindset I’m looking for remote QA projects where I can quickly add value, improve product quality, and apply AI-assisted testing approaches in real production environments. Open to long-term cooperation, transparent communication, and result-oriented work.

Struggling with a Laravel system that needs to scale, automate, and stay reliable? With 12+ years in Laravel and React, I’ve delivered 116 Upwork jobs and earned $200K+ while turning complex ideas into production SaaS, ERP, and IoT platforms for startups and growing businesses. 🎯 HOW I CAN HELP YOU LARAVEL SAAS DEVELOPMENT Turn your product idea into a scalable SaaS platform that can grow with your users instead of forcing a rebuild later. I have shipped Laravel systems that scaled from a few hundred to tens of thousands of customers on the same infrastructure. CUSTOM ERP AND ORDER MANAGEMENT SYSTEMS Replace spreadsheets and manual workflows with a system that improves control over stock, orders, invoices, and operations. I spent 9 years running a trading and logistics company, so I build tools that match how real businesses work. LARAVEL E-COMMERCE PLATFORMS Increase sales capacity with a store that handles growth, payments, and business logic without slowing down. My Laravel work has supported real-world scale, and I have over 116 completed jobs with 100% Job Success on Upwork. API INTEGRATION AND BACKEND AUTOMATION Connect your apps, services, and internal tools so work moves faster with less manual effort. I build practical automations for support, documents, and workflows, and I use AI only where it reduces cost or saves time. IOT DASHBOARDS AND CONTROL SYSTEMS Monitor and control hardware from a web interface so you can manage devices, data, and alerts from anywhere. My background in electronics engineering includes GSM controllers and MQTT-based systems that connect hardware to Laravel APIs. 🏆 RESULTS "Zoran is not only senior dev, but a senior dev with good communication skills and business sense, which is quite a rare combination." – Ticket Go T., Client "I had the pleasure of working with Zoran for over three months, and I can confidently say he delivered outstanding work. Tasks that would typically take days or weeks to complete, he accomplishes within hours, and the quality of his work is second to none." – Anders F., Client "Zoran did a very good job in creating a difficult web scraper, his communication is very good, and does what he promises." – Matthew M., Client 🎖 ERPNext Core 🏅 Laravel Community Partner See full case studies in my portfolio below. ✉️ 𝗠𝗘𝗦𝗦𝗔𝗚𝗘 𝗠𝗘 𝗢𝗡 𝗨𝗣𝗪𝗢𝗥𝗞 Have a custom Laravel app, SaaS, or business system to build? Message me on Upwork and I’ll help you plan the right solution, whether you need architecture, development, or a reliable long-term partner. I typically respond within 4 hours and can move quickly on urgent projects. 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 I build Laravel applications with React on the frontend, and I keep data reliable in MySQL while I design APIs that connect systems cleanly. I use Docker to keep environments consistent, Git to manage changes safely, and PostgreSQL when a project needs stronger data handling. For client-facing features, I integrate payment gateways and shape the architecture so the product can scale without surprises. I build Laravel web applications, React frontends, and API integration for SaaS and ERP systems, and I handle database architecture with MySQL for reliable scale.