{"id":2155723,"url":"https://alion.io/job/wultra-mobile-security-tester","title":"Mobile Security Tester","company":{"id":181404,"name":"Wultra","domain":"wultra.com","url":"https://alion.io/company/wultra","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"QA","role_family":"QA","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Prague, Czech Republic"],"countries":["CZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80000,"max":120000,"currency":"CZK","period":"month","gross":null,"usd_annual":66168},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Frida","optional":false},{"name":"Git","optional":false},{"name":"MobSF","optional":false},{"name":"Objection","optional":false},{"name":"Python","optional":false},{"name":"C++","optional":true},{"name":"CI/CD","optional":true},{"name":"Java","optional":true},{"name":"Kotlin","optional":true},{"name":"Objective-C","optional":true},{"name":"OWASP","optional":true},{"name":"Swift","optional":true}],"status":"live","first_seen_at":"2026-10-09T06:24:22Z","employer_posted_date":null,"last_verified_at":"2026-10-09T06:24:22Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"We’re looking for someone who can challenge our mobile protection features before they reach customers. You’ll test our Mobile In-App Protection product against real-world attack techniques, including hooking, debugging, tampering, reverse engineering, malware behavior, screen sharing, overlays, rooting, and jailbreaking.\n\nWhat Will You Do?Test RASP and mobile application protection features in Wultra Mobile In-App Protection before they are released to customers.\n\nValidate detection and response mechanisms for rooting, jailbreaking, debugging, Frida instrumentation, hooking, app repackaging, runtime tampering, screen sharing, overlays, and suspicious malware behavior.\n\nTry to bypass protection mechanisms using real-world mobile security techniques and tools commonly used by attackers.\n\nCooperate closely with Mobile Reverse Engineers and SDK Developers on new features, regressions, fixes, and release readiness.\n\nReview and challenge features delivered by the mobile security engineering team, including deep-level mobile application protection and RASP functionality.\n\nPrepare structured findings with steps to reproduce, tools used, expected behavior, actual behavior, and severity.\n\nDistinguish product defects from OS limitations, device-specific behavior, test environment issues, or expected product behavior.\n\nSet up and maintain Android and iOS test environments, including clean, rooted, jailbroken, and modified devices.\n\nMaintain internal test applications, scripts, test data, and automation utilities used for repeatable RASP testing.\n\nHelp improve security test coverage by maintaining test cases, attack scenarios, regression checks, and technical documentation.\n\nWhat Are We Looking For?Experience with mobile application security testing, mobile reverse engineering, penetration testing, or technically oriented security QA.\n\nGood understanding of Android application internals and at least basic knowledge of iOS.\n\nPractical experience with rooted Android devices; experience with jailbroken iOS devices.\n\nExperience with mobile security tools such as Frida, Objection, JADX, apktool, LLDB, GDB, Magisk, Xposed/LSPosed, MobSF, or similar utilities.\n\nUnderstanding of RASP, anti-tamper, anti-debugging, anti-hooking, obfuscation, runtime protection, and malware detection concepts.\n\nAbility to think from an attacker’s perspective and explore how mobile protection mechanisms could be bypassed.\n\nBasic scripting skills, for example, in Python, Bash, or similar.\n\nGit and basic software development workflow knowledge.\n\nStrong analytical thinking, attention to detail, curiosity, and persistence when investigating unclear technical behavior.\n\nCzech at C1+ level and English at B2+/C1 level — you’ll need to write clear technical documentation, tickets, and test reports.\n\nBonus PointsExperience with mobile malware analysis or advanced IPA/APK analysis.\n\nKnowledge of Kotlin, Java, Swift, Objective-C, C, or C++.\n\nExperience with CI/CD, automated security testing, OWASP MASVS / MASTG, or mobile test automation.\n\nWhat Are We Offering?Powerful company vision and innovative cybersecurity products that help our clients protect millions of users worldwide.\n\nModern solutions built without legacy issues, proven in the most prestigious industry standards.\n\nThe latest MacBook with the top configuration.\n\nWorking with AI tools to support development.\n\nGreat freedom in when and where you work — results matter more than schedules.\n\nWork on both open-source and closed-source projects.\n\nMultiSport card to help you stay active, recharge, and maintain work-life balance.\n\nSkilled colleagues who help you grow and push boundaries together.\n\nSalary: 80 000 – 120 000 CZK / month (based on experience).\n\nWhy to join us?You’ll work on mobile security technology that protects banking and fintech applications used by millions of people. Your findings will directly influence the quality, reliability, and release readiness of our Mobile In-App Protection product. If you enjoy investigating how things can break, thinking like an attacker, and helping engineers build stronger protection mechanisms, we’d like to hear from you.\n👉 Think it’s a fit? Let’s talk — even if you don’t tick every single box.\n\nBy sending us your CV, you confirm you have read the information about processing your personal data based on Wultra’s Privacy Policy for Recruitment.","description_format":"text","description_chars":4375,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Apple Macbook"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Fraud Detection","Identity Management"],"lifecycle":[{"event":"open","at":"2026-10-09T06:24:22Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":3,"expected_fill_days":69,"reasons":["seen:3","win:early"],"computed_at":"2026-10-12T06:55:09Z"},"pay":{"stated_usd_annual":66168,"is_top_pay":false},"html_url":"https://alion.io/job/wultra-mobile-security-tester","json_url":"https://alion.io/job/wultra-mobile-security-tester.json","meta":{"generated_at":"2026-10-12T11:07:49Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":17293,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":181404},"rest":"https://alion.io/mcp/rest/get_company?id=181404"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwultra-mobile-security-tester"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fwultra-mobile-security-tester"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fwultra-mobile-security-tester"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/wultra-mobile-security-tester\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwultra-mobile-security-tester"}]}