Senior Security Engineer
SumUp - São Paulo, São Paulo, Brazil
Posted Mar 23, 2026
Benefits
- Parental leave
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- Non-birth-parent leave
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- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
- Surrogacy assistance: Not verified
- Mental health support
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- Relocation assistance
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- Learning budget
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Schedule
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- Weekend work
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Application
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About this role
Senior Security Engineer São Paulo, São Paulo, Brazil SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive! As a Senior Security Engineer for our tribe, you will be responsible for embedding and scaling robust security practices throughout the product development lifecycle at SumUp. You will work closely with engineering teams to ensure security is integrated into our architecture, development processes, and delivery pipelines, helping us build secure and compliant financial products at scale. What You'll Do - Embed security practices across the entire product development lifecycle, ensuring security is a core part of engineering processes and decisions - Define, document, and promote secure architectural standards and best practices based on industry frameworks (OWASP, NIST, CIS) - Support engineering teams in implementing and configuring security tooling (SAST, SCA, container scanning) within CI/CD pipelines, ensuring efficiency and low friction - Drive the adoption and optimization of SAST tools, including rule tuning, developer training, and results analysis - Contribute to the Software Supply Chain Security program by assessing risks in third-party dependencies and promoting secure development practices (e.g., SCA tools, commit signing, SLSA) - Conduct security analyses and threat modeling for new and existing products, identifying vulnerabilities and guiding teams on secure design decisions - Collaborate with teams to design and implement secure authentication and authorization solutions (IAM, OAuth 2.0, OIDC, SAML) - Ensure systems and processes comply
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