E-commerce Security & BOT Mitigation Specialist

E-commerce Security & BOT Mitigation Specialist
Lisboa
Lisboa, Lisboa, Portugal

Are you an E-commerce Security & BOT Mitigation Specialist seeking a new interesting challenge ?

If your answer is yes, it’s your lucky day so keep reading, it can be just what you're looking for !

WHAT WE ARE LOOKING FOR IN YOU?

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.

Technical Knowledge: Strong grasp of core web protocols and defence mechanisms, including HTTP/S behaviour,
- agent spoofing, CAPTCHA challenges, Java
Script fingerprinting, and behavioural detection techniques. Ability to differentiate legitimate traffic from evasive bot patterns.

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.

HOW WILL YOUR DAILY JOB BE?

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 TO HAVE:

Good Behavioral and communication skills

Industry-Relevant Experience (Preferred).

WHERE AND WHEN?

Workplace: Lisbon + hybrid work

Work Schedule: 9AM to 6PM

WHAT WE CAN OFFER YOU?

Permanent contract

Pay and benefits - Competitive salary and a flexible compensation plan adapted to your needs (Ticket restaurant plan + Health Insurance).

Opportunity knocks - Being a part of a growing company, we want to support your path with a career development plan and annual
- based compensation reviews.

Learn as you grow - Starting with a fantastic onboarding program , TCS has robust learning platforms that will allow you to learn and grow personal as professionally.

Bring your buddy - If you have referred a friend for an open position under the BYB Scheme and she/he is hired you’ll receive a very attractive cash award.

Connect globally - Work with people from all over the world. You can feel the multicultural workforce.

And so on - Appreciations, incentives, Team Building activities, diversity and inclusion programs, sustainability activities, corporative events. . . This has only just begun!

WHO ARE WE?

Tata Consultancy Services (TCS) is an Information Technology (IT) company founded in 1968, being part of the Tata Group.

With a presence in 55 countries and over 600, 000 employees , TCS is recognized as the #1 Employer in Europe by the Top Employers Institute

In our portfolio of services, we have information technology services ,
- based solutions , global consulting , engineering and industrial services , digital solutions and services , application maintenance and development , quality assurance and testing services , IT infrastructure and BPS

We stand out for our experience , reliability , passion , confidence , creativity and skills

WELCOME, WE ARE WAITING FOR YOU!