Security Developer

Security Developer
Lisboa
Cascais, Lisboa, Portugal

International Position – Security Developer

Beam Wallet is a global platform redefining how security, technology and digital finance coexist.

We are hiring a highly qualified Security Developer, with strong experience in blockchain, cloud security and intelligent financial systems, to join our international technical team.

This professional will be responsible for protecting, strengthening and optimizing Beam Wallet’s entire technological infrastructure, ensuring
- level security, operational stability and full trust from users and partners in dozens of countries.

• Key ResponsibilitiesDevelop, implement and continuously evolve security architectures across all layers (application, network, servers, blockchain and APIs).
• Analyse, design and strengthen smart contracts and
  - based systems, ensuring transaction immutability and traceability.
• Monitor systems 24/7, detect advanced threats and apply immediate mitigation measures.
• Conduct code audits, penetration tests, attack simulations (red teaming) and forensic analysis across cloud and blockchain environments.
• Ensure full compliance with PCI DSS, GDPR, ISO 27001, NIST, and other global security standards.
• Develop and maintain advanced encryption protocols and multifactor authentication, applying
  - resistant technologies.
• Create and manage identity governance (IAM) and
  - control policies.
• Design and maintain incident response plans, disaster recovery strategies and business continuity procedures.
• Integrate
  -
  - design from the very first phase of product development, working closely with all technical teams.
• Promote a strong security culture through continuous internal training and guidelines.
• Execute monthly optimizations for performance, security and cost efficiency across the entire infrastructure.
• Essential RequirementsProven experience in cybersecurity applied to fintech, digital banking or blockchain ecosystems.
• Deep expertise in blockchain security, including protection against distributed attacks,
  - contract auditing and decentralized protocol analysis.
• Hands-on experience in cloud security (AWS, Google Cloud, Azure) and Dev
  Sec
  Ops pipelines.
• Strong knowledge of modern cryptography,
  - resistant algorithms and API security.
• Ability to perform forensic analysis and
  - time incident handling.
• Familiarity with security frameworks such as OWASP, NIST, CIS Controls and ISO 27001.
• Experience with secure CI/CD, automated audits and continuous verification pipelines.
• Proactive, strategic and highly responsible profile.
• Excellent communication skills and ability to work with international teams.
• What We OfferIntegration into a
  - impact global project, rapidly expanding worldwide.
• A dynamic, multicultural and highly technological environment.
• Opportunity to work on pioneering
  - security and
  - security initiatives.
• Career growth in technical leadership or security management roles.
• Competitive salary, benefits and the possibility to participate in exclusive initiatives.

? How to Apply

Send your updated CV and technical portfolio (documentation, projects, code samples or links to relevant repositories) to:

? hr@beamwallet.com

? Subject: Security Developer – [Your Name]

⚠ Important: Only applications with a technical portfolio will be considered.

Before applying, visit beamwallet.com and explore our official social media channels.

⏳ Time is money, and we value candidates who understand the brand, the impact of this role and the global scale of Beam Wallet.

? Important Note for Candidates

This position is ideal for professionals who want to combine technology, innovation and global responsibility in a single project.

At Beam Wallet, security is not a department — it is the foundation of everything we build.