{"id":2413813,"url":"https://alion.io/job/stefanini-security-engineer-bot-detection","title":"Security Engineer, Bot Detection","company":{"id":4425653,"name":"Stefanini EMEA","domain":"stefanini.ro","url":"https://alion.io/company/stefanini-ro","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartSearch","truth_index":null},"role":"Security","role_family":"Security","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bucharest, Romania"],"countries":["RO"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":36000,"max_usd":105000,"period":"year","method":null,"sample_n":4493},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Anomaly Detection","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-08T12:00:00Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-14T14:06:27Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"About the role :\nHelp build and improve how we identify and manage automated traffic across our web and mobile products. You'll engineer detection and classification capabilities that distinguish AI-driven bots, other automation, legitimate bots, people, and unknown traffic-and help teams take proportionate action without disrupting genuine customers.\nWhat you'll do :\nBuild, test, and tune bot-detection signals and classification logic across web, mobile, APIs, and edge services\nImprove the telemetry used to understand bot activity, working with application and platform teams to close gaps in coverage, data quality, and attribution\nMaintain detection logic and configuration as production software: version changes, validate them against representative traffic, and use staged rollouts and rollback controls\nMeasure detection coverage and quality, including precision, recall, unknown traffic, and false positives affecting customers and legitimate automated services\nAnalyze changes in bot behavior, traffic patterns, and evasion techniques; turn findings into improved signals and detection tests\nBuild monitoring and reporting that surfaces coverage gaps, material traffic changes, and detection quality for technical and business teams\nWork with product and service teams to translate detection results into proportionate decisions such as allow, monitor, challenge, restrict, or block\nValidate changes against business outcomes and customer impact, and continuously improve the detection capability based on results\nExperience building or operating production software, security systems, or traffic-protection capabilities\nStrong coding skills in a language such as Python, Go, or Java, with experience testing and maintaining production systems\nExperience analyzing event or traffic data and developing detection logic, behavioral signals, or classification systems\nUnderstanding of web, mobile, API, or edge security and common automated-traffic and abuse patterns\nAbility to measure detection quality and balance security effectiveness against false positives and customer impact\nClear communication skills and the ability to work across security, engineering, data, and product teams\nHelpful experience :\nBot management, web application firewalls, content delivery networks, or edge security controls\nMobile app security signals, client-side challenges, or integration of security SDKs\nStatistical or machine-learning methods for classification, anomaly detection, or behavioral analytics\nExperiment design, traffic analysis, dashboards, or security reporting\nAbuse prevention, fraud detection, threat research, or incident response\nWhat\"s next:\nIt\"s best to apply today, because job postings can be taken down and we wouldn\"t want you to miss this opportunity. In case you need further information, just send us a message at  and we\"ll be happy to assist!\nThe preceding job description had been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties and responsibilities required of employees assigned to this job.\nDiversity & Inclusion\nHere at the Stefanini Group, we value plurality and equity, regardless of race, sexual orientation, disability, age, ancestry, religion, gender, and nationality. We understand and encourage the importance of being you!\nAbout us\nWe are the Stefanini group, a global tech consulting company of Brazilian origin that believes in the power of people to transform businesses through technology.\nWe are present in over 40 countries and operate with the purpose of co-creating solutions TOGETHER WITH OUR CLIENTS that accelerate results and improve the experience of people and organizations.\nHere, we like to say that technology is not the end, but the means: what really matters are the people who drive it all.\nOur mindset is AI First, meaning we invest in cutting-edge technology in everything we do, focusing on results for our clients.\nWe are a company, A GROUP, that breathes collaboration and offers a dynamic environment where you will learn by doing, grow alongside the team, and have space to contribute with ideas and projects.\nMore than just talking about digital transformation, we believe in real transformation that starts with people and impacts real businesses.\nIf you are looking for a place to develop, innovate, and be part of something bigger, the Stefanini Group is your place.\nWe want to inform you that there are currently scams targeting job seekers by falsely using our company\"s name, Stefanini. We sincerely apologize for any confusion or inconvenience this may have caused.\nPlease remember that legitimate job offers from Stefanini will always come through official channels, including direct communication with our trained recruiters. If you receive any unsolicited messages requesting payment or personal information, please disregard them.\nIf you suspect you\"ve been targeted, please contact us immediately at  for verification.\nKey Points to Remember:\n* Legitimate job offers only follow interviews conducted with our hiring managers or clients.\n* We will never ask for payment at any stage of the recruitment process.\nStay vigilant and feel free to reach out for verification. Your safety and security are our top priorities. Thank you for your understanding and cooperation.\nExperience building or operating production software, security systems, or traffic-protection capabilities\nStrong coding skills in a language such as Python, Go, or Java, with experience testing and maintaining production systems\nExperience analyzing event or traffic data and developing detection logic, behavioral signals, or classification systems\nUnderstanding of web, mobile, API, or edge security and common automated-traffic and abuse patterns\nAbility to measure detection quality and balance security effectiveness against false positives and customer impact\nClear communication skills and the ability to work across security, engineering, data, and product teams\nHelpful experience :\nBot management, web application firewalls, content delivery networks, or edge security controls\nMobile app security signals, client-side challenges, or integration of security SDKs\nStatistical or machine-learning methods for classification, anomaly detection, or behavioral analytics\nExperiment design, traffic analysis, dashboards, or security reporting\nAbuse prevention, fraud detection, threat research, or incident response\nWhat\"s next:\nIt\"s best to apply today, because job postings can be taken down and we wouldn\"t want you to miss this opportunity. In case you need further information, just send us a message at  and we\"ll be happy to assist!\nThe preceding job description had been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties and responsibilities required of employees assigned to this job.\nDiversity & Inclusion\nHere at the Stefanini Group, we value plurality and equity, regardless of race, sexual orientation, disability, age, ancestry, religion, gender, and nationality. We understand and encourage the importance of being you!\nAbout us\nWe are the Stefanini group, a global tech consulting company of Brazilian origin that believes in the power of people to transform businesses through technology.\nWe are present in over 40 countries and operate with the purpose of co-creating solutions TOGETHER WITH OUR CLIENTS that accelerate results and improve the experience of people and organizations.\nHere, we like to say that technology is not the end, but the means: what really matters are the people who drive it all.\nOur mindset is AI First, meaning we invest in cutting-edge technology in everything we do, focusing on results for our clients.\nWe are a company, A GROUP, that breathes collaboration and offers a dynamic environment where you will learn by doing, grow alongside the team, and have space to contribute with ideas and projects.\nMore than just talking about digital transformation, we believe in real transformation that starts with people and impacts real businesses.\nIf you are looking for a place to develop, innovate, and be part of something bigger, the Stefanini Group is your place.\nWe want to inform you that there are currently scams targeting job seekers by falsely using our company\"s name, Stefanini. We sincerely apologize for any confusion or inconvenience this may have caused.\nPlease remember that legitimate job offers from Stefanini will always come through official channels, including direct communication with our trained recruiters. If you receive any unsolicited messages requesting payment or personal information, please disregard them.\nIf you suspect you\"ve been targeted, please contact us immediately at  for verification.\nKey Points to Remember:\n* Legitimate job offers only follow interviews conducted with our hiring managers or clients.\n* We will never ask for payment at any stage of the recruitment process.\nStay vigilant and feel free to reach out for verification. Your safety and security are our top priorities. Thank you for your understanding and cooperation.","description_format":"text","description_chars":9394,"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":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Fraud Detection"],"lifecycle":[{"event":"open","at":"2026-10-13T02:45:44Z"}],"visa":[],"liveness":{"score":83,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.834,"p_room":1,"age_days":5,"expected_fill_days":19,"reasons":["conf:0","win:early"],"computed_at":"2026-10-14T06:34:16Z"},"pay":null,"html_url":"https://alion.io/job/stefanini-security-engineer-bot-detection","json_url":"https://alion.io/job/stefanini-security-engineer-bot-detection.json","meta":{"generated_at":"2026-10-14T14:47:08Z","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":18350,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"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":4425653},"rest":"https://alion.io/mcp/rest/get_company?id=4425653"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fstefanini-security-engineer-bot-detection"},{"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%2Fstefanini-security-engineer-bot-detection"},{"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%2Fstefanini-security-engineer-bot-detection"},{"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/stefanini-security-engineer-bot-detection\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fstefanini-security-engineer-bot-detection"}]}