E-commerce Security & BOT Mitigation Specialist Lisboa

Overview

E-commerce Security & BOT Mitigation Specialist

Direct message the job poster from Tata Consultancy Services

Are you an E-commerce Security & BOT Mitigation Specialist seeking a challenging, new opportunity?

Responsibilities

• Professional Experience: Minimum of 3 years in application security, bot defence, or e
  Commerce fraud prevention, with demonstrated ability to protect
  - facing digital platforms against automated abuse, credential stuffing, and scraping campaigns.
• Tool Proficiency: Hands-on experience with at least one
  - grade bot mitigation solution (e. g. , Cloudflare, Akamai, Perimeter
  X, Data
  Dome), including configuration, monitoring, and rule tuning capabilities.
• Architectural Awareness: Understanding of web application stacks,
  - server interactions, and integration points between bot defence tools and underlying infrastructure such as CDNs, WAFs, and load balancers.
• Bot Traffic Monitoring and Analysis: Continuously oversee bot defence platforms to identify malicious automated traffic, account abuse attempts, scraping activity, and evolving bypass techniques, ensuring
  -
  - clock visibility and awareness.
• Dynamic Rule Tuning and Threat Adaptation: Regularly update detection logic, challenge mechanisms, and mitigation rules based on threat intelligence, anomaly patterns, and observed bot behaviours—minimizing false negatives while reducing false positives and business disruption.
• Cross-Functional Collaboration: Partner with fraud prevention, Dev
  Ops, and digital experience teams to align mitigation strategies with platform requirements, customer experience expectations, and evolving e
  Commerce business goals.
• Impact and Effectiveness Evaluation: Track bot trends, success rates of attacks, and defence efficacy. Conduct root cause analyses of bypasses or misclassifications and deliver actionable recommendations to enhance protective posture.
• Business-Friendly Implementation: Ensure that bot mitigation techniques (e. g. , CAPTCHAs,
  - limiting, fingerprinting) are SEO-compliant, accessible to all users, and optimized to avoid interfering with legitimate customer journeys and conversion flows.
• Good Behavioral and communication skills
• Industry-Relevant Experience (Preferred).
• Workplace: Lisbon + hybrid work
• Work Schedule: 9AM to 6PM
• Permanent contract ?
• Pay and benefits: Competitive salary and a flexible compensation plan adapted to your needs (Ticket restaurant plan + Health Insurance).
• Opportunity knocks: Career development plan and annual
  - based compensation reviews.
• Learn as you grow: Onboarding program and robust learning platforms to support personal and professional growth.
• Bring your buddy: BYB referrals program with attractive cash award if your referral is hired.
• Connect globally: Work with people from all over the world in a multicultural workforce.
• And so on: Appreciation, incentives,
  - building activities, diversity and inclusion programs, sustainability activities, corporate events.

Tata Consultancy Services (TCS) is an information technology company founded in 1968, part of the Tata Group. It has a presence in 55 countries and over 600, 000 employees.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology
• Industries: IT Services and IT Consulting