Open to new challenges and innovative projects

Madrid, Spain

David Puente

Software Developer focused on Cybersecurity and Cyber Intelligence

Software Developer with 5+ years of experience in backend development and infrastructure management, specializing in cybersecurity solutions. Proven expertise in designing and deploying cyber defense software, automating workflows, and implementing scalable infrastructure with Docker and Kubernetes. Skilled in Python, Django, and AI integration to enhance system security and efficiency. Seeking to contribute to innovative cybersecurity initiatives and strengthen digital defenses.

Experience

Relevant work

A concise view of role, scope, responsibilities, and the technical stack behind the work.

Software Developer - Backend and Infrastructure

Telefónica Soluciones de Criptografía - Telcryp

June 2022 - Present · Madrid, Spain

Engineered robust cyber defense solutions and scalable backend services supporting over 50 organizations, with focus on threat detection, workflow automation, and ML-enhanced security systems.

  • Engineered robust cyber defense solutions to improve threat detection using Python and Django frameworks
  • Implemented API integrations from cyberthreat intelligence platforms using Python and Kafka to enhance intelligence and workflow efficiency
  • Implemented continuous deployment workflows with Kubernetes clusters, achieving a 20% increase in deployment efficiency
  • Leveraged machine learning models in Python and Keras to enhance cyber defense workflow and improve threat response times
  • Engineered scalable backend services supporting over 50 organizations, utilizing Python and Django to enhance system reliability
PythonDjangoKubernetesKafkaMachine LearningCyber Defense

Internship - Software Developer - Backend and Infrastructure

Telefónica Soluciones de Criptografía - Telcryp

March 2022 - June 2022 · Madrid, Spain

Developed cyber threat intelligence systems and evaluation procedures for technical recruitment in cybersecurity.

  • Built cyber threat intelligence systems leveraging Python to improve risk identification and control measures by 15%
  • Explored and evaluated emerging technologies in cyber intelligence to devise forward-thinking solutions
  • Developed software tools to support cyber intelligence deception strategies and improve threat detection
  • Developed evaluation procedures assessing software development and cybersecurity competencies for technical recruitment
PythonCyber Threat IntelligenceRisk AssessmentTechnical Recruitment

Co-founder

Cybersec 42 Madrid

October 2020 - Present · Madrid, Spain

Co-founded and led a student cybersecurity association focused on hands-on learning, community building, and practical security initiatives.

  • Coordinated comprehensive cybersecurity training programs utilizing cutting-edge tools to enhance understanding of digital privacy
  • Designed and implemented CTF challenges using new technologies to enhance participants' practical cybersecurity skills, attracting over 300 participants
  • Collaborated with industry leaders to host events and workshops promoting cybersecurity awareness
CybersecurityCommunity LeadershipCTFTraining ProgramsEvent Coordination

Capabilities

Technical profile

Software development depth with cybersecurity context for teams hiring on secure products, internal platforms, and intelligence tooling.

Programming Languages

Python (Fluent)C (Fluent)C++ (Fluent)JavaScript (Fluent)TypeScript (Fluent)Django (Fluent)Angular (Fluent)Go (6-12 months)Assembly/MIPS (<6 months)

Cybersecurity

Cyber Threat IntelligenceIncident ResponseMalware AnalysisSecurity ArchitectureNetwork SecuritySystem VulnerabilitiesDefense MechanismsThreat-informed development

Infrastructure & DevOps

DockerKubernetesCI/CDGitBashLinuxPostgreSQLKafkaOllamaPandasKeras

Languages

Spanish (Native)English (IELTS C1 - Fluent)
PythonCC++JavaScriptTypeScriptDjangoAngularGoAssembly/MIPSPostgreSQLKafkaDockerKubernetesLinuxBashGitCI/CDOllamaPandasKerasPythonCC++JavaScriptTypeScriptDjangoAngularGoAssembly/MIPSPostgreSQLKafkaDockerKubernetesLinuxBashGitCI/CDOllamaPandasKeras

Education

42 Madrid

Software Engineer program (September 2019 - Present)

Education

IES Tetuán de las Victorias

Microcomputer Systems and Networks (September 2018)

Contact

Contact me here

For software engineering, cybersecurity, cyber intelligence, platform, or security tooling roles, email is the clearest way to start a conversation.

davydblog.3g8f2@aleeas.com