Application Security Engineer

Job OverviewWe are looking for an Application Security Engineer to join our security team and help us safeguard millions of players and the services they rely on. In this role, you will be responsible for identifying and mitigating security risks across web applications, infrastructure, and internal tools. You will work closely with developers, operations, and other security professionals to integrate security practices into the software development lifecycle and strengthen the company’s overall security posture. This position combines hands-on security testing, automation, and tool development, offering the opportunity to directly influence how security is built into our products. You will also have the chance to contribute to security research, penetration testing, and the implementation of cutting-edge solutions to stay ahead of emerging threats. If you are passionate about application security and eager to take on complex challenges in a dynamic environment, this role is for you.Reports toThe Application Security Engineer will report to Application Security Team LeadWhat will you do?Conduct security audits of internally developed web applications.Perform internal penetration tests.Carry out static and dynamic code analysis (SAST/DAST).Implement, refine, and maintain tools for automatic testing of web applications.Develop custom tools and solutions to improve the company’s overall security.Contribute to internal research and participate in improving security processes.What are we looking for?Strong technical knowledge in computer and network security. Solid understanding of modern operating systems and network protocols (starting from Layer 2). Hands-on experience with Windows and Unix/Linux systems at the system administrator level. Knowledge of web application attack vectors and protection methods (OWASP Top 10, common vulnerabilities, exploitation techniques). Experience with security scanners and an understanding of how they work (e.g., Nmap, Nessus, Burp Suite, nuclei). Programming skills in Python, .NET (ability to read, analyze, and make corrections). Willingness to learn additional programming languages used within the company (for developing custom tools). Knowledge of vulnerability assessment and exploitation techniques. English at Intermediate level or above (working proficiency).What additional skills will help you stand out?Russian language skillsProgramming skills in Go, Rust, Java in addition to Python/.NET. Experience with SAST/DAST tools and code security analysis. Practical experience with cloud security and containerized environments (AWS, GCP, Azure, Docker, Kubernetes). Understanding of Active Directory security, including common attack techniques and defense mechanisms.Higher technical education (Computer Science, Information Security, or related). Security certifications such as OSCP, OSCE, OSWE, CEH, or similar. Experience in penetration testing of real-world systems. Participation in Bug Bounty programs. Published security research, CVEs, or whitepapers. Experience in CTF competitions.Work modeHybrid (2-3 days of work from the office).BenefitsBenefits and perks are tailored to the local market and culture. Our benefits in Belgrade include:Additional vacation days based on years of service at Wargaming: up to 5 days on top of the statutory minimumAdditional paid time off (5 Personal Days, Birthday Leave, Marriage Leave, Compassionate Leave)Sick Leave Compensation, Maternity Leave Benefits Premium Private Health InsuranceCareer development and education opportunities within the companyEnglish clubs and platform for learning languagesMental well-being program (iFeel)Commuting allowanceCompany eventsFitPass membershipDiscounts for employeesPersonal Gaming AccountCoffee, fruits, and snacks in the officeOn-site canteen with subsidized prices for food and drinksSeniority AwardsReferral program - you can recommend the best talents to the Company and receive a rewardPlease submit your CV in English to ensure smooth processing and review.About WargamingWargaming is an award-winning online game developer and publisher headquartered in Nicosia, Cyprus. Operating since 1998, Wargaming has become one of the leaders in the gaming industry with 15 offices worldwide, including studios in Chicago, Prague, Shanghai, Tokyo, and Vilnius. Our diverse and multicultural team works together to deliver a top-class experience to millions of players who enjoy Wargaming's titles across all major gaming platforms. Our flagship products include free-to-play hits World of Tanks, World of Warships and World of Tanks Blitz.Please see Wargaming Candidate Privacy Policy for details on how Wargaming uses your personal data.