E-commerce Security Lisboa

E-commerce Security
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
,
asset-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