Hire the best Black Box Testers in Serbia

Check out Black Box Testers in Serbia with the skills you need for your next job.

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$18 hourly
Artem S.
- 5.0/5
- (4 jobs)
As a QA engineer with 6 years of experience, I specialize in mobile and web testing. I am skilled in using tools such as Postman, Swagger, and Selenium (Python / Ruby / Java) for automated testing. I also have experience in game testing, which has allowed me to develop an eye for detail and a knack for identifying bugs and issues. Throughout my career, I have gained extensive experience in various aspects of quality assurance, including functional testing, regression testing, performance testing, and usability testing. My approach to testing involves a combination of manual and automated testing techniques, which allows me to thoroughly test applications and identify issues quickly and efficiently. In addition to my expertise in testing, I also have excellent planning skills, which allow me to efficiently manage my workload and ensure that projects are completed on time and to the highest standards of quality. I am able to work both independently and as part of a team, and I am comfortable collaborating with developers, project managers, and other stakeholders to ensure that everyone is on the same page and that project goals are met. I`m good at Data Analysis with MS Excel, MO 365, and Tableau (Made dashboards, tables, Efficiency charts, and diagrams, etc). Made efficiency analysis for products that had worked with. Whether working alone or in a team, I am always focused on delivering high-quality results and ensuring that deadlines are met. I am also open to feedback and always looking for ways to improve my skills and contribute to the success of the project. Overall, my experience, skills, attention to detail, planning skills, and ability to work independently or as part of a team make me an ideal candidate for any software development project.t.

Black Box Testing
Python
Android Studio
Manual Testing
Usability Testing
Cross-Browser Testing
Test Plan
Software QA
Software Testing
Java
Web Testing
Mobile App Testing
Functional Testing
Regression Testing
Game Testing
$77 hourly
Jovan I.
- 5.0/5
- (10 jobs)
I am a cybersecurity engineer with extensive experience in penetration testing, system administration, and network security. With a strong passion for offensive security, I specialize in identifying vulnerabilities and building robust defenses across complex IT infrastructures. Constantly honing my skills, I am committed to staying at the forefront of cybersecurity advancements to protect organizations from evolving cyber threats. 💡 What I Do Best: Web Application, Mobile (Android), and Network Penetration Testing Expert in identifying and exploiting security vulnerabilities in real-world environments to safeguard digital assets. Windows & Linux Privilege Escalation Proven experience in strengthening enterprise systems by elevating privileges and fortifying against advanced cyber threats. Red Teaming & Vulnerability Assessments Simulating real-world attack scenarios to proactively identify weaknesses and improve security posture. 150+ Penetration Tests Delivered Successfully performed over 150 penetration tests across various industries, delivering comprehensive security reports that have helped clients fortify their defenses. 📜 Certifications & Achievements: ✅ Systems Security Certified Practitioner (SSCP) (ISC2) ✅ Cybersecurity in Healthcare (Hospitals & Care Centers) ✅ Penetration Testing, Threat Hunting, and Cryptography (IBM) ✅ Pen Testing Certificate (Penetration Testing 2025) ✅ OWASP Top 10 ✅ Cybersecurity Foundation (Palo Alto Networks) ✅ Microsoft Azure Security Engineer Associate (AZ-500) ✅ Google Cybersecurity Professional Certificate ✅ PEH (Professional Ethical Hacker) ✅ RED Team Operator ✅ Security Engineer ✅ Web Application Penetration Testing ✅ Windows & Linux Privilege Escalation ✅ IT Masters Penetration Testing ✅ IBM Cybersecurity Analyst 🏆 TryHackMe Top 1% Player …and many more! Constantly evolving to stay ahead in cybersecurity, I bring precision, persistence, and a hacker mindset to every project. 🚀

Black Box Testing
Group Policy
Microsoft Active Directory
Red Team Assessment
Metasploit
White Box Testing
OWASP
Ethical Hacking
Network Penetration Testing
Web Application Security
Web App Penetration Testing
Penetration Testing
$50 hourly
Petar A.
- 4.9/5
- (229 jobs)
✅ Top Rated Plus Expert ✅ 3000+ Hours ✅ Professional Penetration Tester Cybersecurity researcher acknowledged by U.S Department of Defense (among other notable companies like AT&T, Semrush, Smule etc) for disclosing a number of vulnerabilities on DoDs systems via Hackerone bug bounty platform. For deliverables, professional reports are created, that will outline every vulnerability found, proofs-of-concept, and solutions on how to fix the discovered vulnerabilities. Each report not only meets but exceeds requirements for compliance auditors. Core competency is performing black and gray box testing on live web applications/networks or lab environments. Familiar with all common attack vectors and mitigation techniques, as well as finding unknown to public exploits known as 0days in web applications. Even though most of the work is confidential sample vulnerability report can be provided. Service Description 1)Web Application Penetration Testing based on OWASP TOP 10 2)Network Penetration Testing 3)Security Hardening Pentesting tools: BurpSuite Professional, OpenVAS, Nmap, Metasploit, Mimikatz, Impacket python framework

Black Box Testing
Web Application Security
JavaScript
Reverse Engineering
Ethical Hacking
Web App Penetration Testing
Network Penetration Testing
Internet Security
Security Testing
Network Security
Penetration Testing
Vulnerability Assessment
$40 hourly
Maja A.
- 5.0/5
- (9 jobs)
CFO, Non tech bug hunter. In charge of managing the online projects on freelance sites. Worked on over 100 projects.

Black Box Testing
QA Management
Automated Testing
QA Engineering
Software QA
Web Testing
User Acceptance Testing
$25 hourly
Dusan S.
- 5.0/5
- (13 jobs)
Business Analyst, Quality Assurance Specialist, SQL, and Python developer 8+ Years experience in software development and testing within banking industry

Black Box Testing
Database Programming
Unit Testing
Data Analysis
Functional Testing
Quality Control
User Acceptance Testing
Integration Testing
Stored Procedure Development
Python
Microsoft SQL Server
SQL
MySQL
$8 hourly
Milena J.
- 0.0/5
- (0 jobs)
I’m a Manual QA Tester with a strong focus on delivering high-quality software and ensuring seamless user experiences. With hands-on experience in bug tracking, writing test cases, and performing manual testing, I work diligently to identify issues and help developers create flawless products. What I Do Best: Manual Software Testing: I conduct comprehensive tests to find bugs, ensure functionality, and verify that software meets requirements. Bug Tracking & Reporting: Using tools like Jira, TestRail, and Testmo, I meticulously track and report issues, ensuring they are addressed before release. Test Case Development: I create detailed, clear test cases to guide the testing process and ensure thorough coverage. Collaboration: I work closely with developers and project managers to ensure quality is maintained at every stage of development. With a passion for delivering perfect results, I am dedicated to helping teams create error-free products. Let’s connect and see how I can assist with your next project!

Black Box Testing
TestRail
Jira
Manual Testing
HTTPS
Sanity Testing
Smoke Testing
MySQL
API Testing
Test Execution
Test Case Design
Regression Testing
Quality Assurance
Software QA
Alpha Testing
$10 hourly
Filip D.
- 0.0/5
- (0 jobs)
Energetic young person with a solid history of achievement in all areas of work.Motivated employee with strong organizational and fast adaptation skills.Quick learner with desire to grow. Hi! My name is Filip and I'm from Serbia. I work as a website and application tester in my free time. I have over 6 years experience in bodybuilding, health, and fitness.My learning skills are good and i am a person ready for new growth opportunity. As a young man, i love playing games and use social media platforms. INTERESTS Social media Fitness Health Self-actualization Computers and electronics Internet marketing Trending Website testing Application testing

Black Box Testing
Exploratory Testing
Manual Testing
Software QA
Functional Testing
Regression Testing
Smoke Testing
User Acceptance Testing
Mobile App Testing
Game Testing
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