Systems Architecture Consultant

Vivo (Telefônica Brasil)

Technical leader defining and implementing DID/VC architectures with blockchain at Vivo. Collaborating across teams to ensure security and compliance in identity solutions.

Posted 7/1/2026full-timeSão Paulo • 🇧🇷 BrazilMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

ETLJavaKotlinSpring

About the role

Key responsibilities & impact

Define and implement scalable, secure DID/VC architectures with a blockchain layer (public and/or permissioned) for enterprise use cases.
Lead the design and execution of integrations between blockchain, identity services and corporate systems (APIs, events, gateways, messaging).
Ensure consistent adoption of DID/VC, blockchain and smart contract standards and specifications, with a focus on interoperability and engineering.
Develop and test data-loading (ETL) pipelines.
Implement and use ZKP (zero-knowledge proof) frameworks and Hyperledger technologies focused on decentralized identity (DID).
Design end-to-end flows for issuance, presentation and verification of credentials, aligning governance, traceability and operational requirements.

Requirements

What you’ll need

Strong experience as a senior developer/architect working with distributed systems and complex integrations.
Mandatory hands-on experience with Decentralized Identity (DID/VC) in an enterprise context.
Deep knowledge of standards and specifications applicable to DID/VC and smart contracts, with a focus on interoperability and engineering.
Experience with object-oriented languages such as Java, Kotlin or C#.
Practical, production experience with Spring and/or Quarkus (or equivalents).
Applied security knowledge (signatures, keys, secrets, hardening and access controls) and engineering practices (testing, CI/CD).
Security certifications: CISSP, CEH, CCSP or equivalents.

Benefits

Comp & perks

Choose the benefit package that best suits you and your dependents through a digital platform offering categories such as gym membership, meal and food vouchers (VR/VA), pharmacy assistance, medical care, dental care and life insurance;
Company mobile phone — yes, a brand-new smartphone for you!
Unlimited voice and data plan — yes, unlimited! Vivo's 5G is up to 10x faster!
Exclusive Vivo offer with special discounts on landline, broadband, TV and apps;
Eligible to receive an annual bonus or PPR (profit-sharing/variable pay);
Plan your future through a private pension plan (retirement savings);
Have children? You are entitled to a subsidy to help with school, daycare or babysitting expenses;
Work in an environment that respects your personality, dress style and individuality and allows you to be authentic. #VemdeVocê
Work remotely up to 2 days per week. #Mobility
Flexible working hours;
Enjoy a day off to celebrate your birthday;
Participate in one of the largest corporate volunteering programs to help make a difference;
Benefit from our Educational Development Program, which offers partnerships with educational institutions at a discount, as well as certifications and online courses;

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Decentralized Identity (DID/VC)Blockchain ArchitectureObject-Oriented ProgrammingData-Loading (ETL) PipelinesZero-Knowledge Proof (ZKP) FrameworksSmart ContractsIntegration DesignSecurity Engineering PracticesTesting and CI/CDInteroperability Standards

Certifications

CISSPCEHCCSP