CIO overseeing decentralized identity projects and blockchain solutions at Vivo. Leading technical design and integration strategies for secure corporate applications.
Responsibilities
Define and implement scalable, secure DID/VC architectures with a blockchain layer (public and/or permissioned) for corporate 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 flows (ETL).
Implement and utilize Zero-Knowledge Proof (ZKP) frameworks and Hyperledger technologies (focused on DID).
Develop integrations with certificate issuers (e.g., Certificate Authorities).
Design and develop integrations with wallets, agents and SDKs related to identity.
Design end-to-end flows for issuance, presentation and verification of credentials, aligning governance, traceability and operational requirements.
Define engineering standards for smart contracts: modeling, events, versioning, testing, review and security best practices.
Define environment strategy: deployment and operation of nodes/services (cloud/on-prem/Kubernetes), observability, performance and resilience.
Establish quality practices: integration and end-to-end testing, contract testing, performance testing and CI/CD automations.
Produce and evolve reference architectures, guides and technical accelerators to standardize and scale deliveries.
Manage and execute change processes according to company governance for change management (ITSM).
Develop and document integrations with HSMs.
May provide technical leadership to Analysts.
Requirements
Strong experience as a senior developer/architect in distributed systems and complex integrations.
Mandatory hands-on experience with Decentralized Identity (DID/VC) in a corporate 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).
Knowledge of applied security (signatures, keys, secrets, hardening and access controls) and engineering practices (testing, CI/CD).
Benefits
Choose the benefits that work best for you and your dependents via a digital platform offering categories such as gym memberships, meal and food allowances, pharmacy assistance, medical and dental coverage, and life insurance.
Corporate mobile phone: a brand-new smartphone for you.
Unlimited voice and data plan.
An exclusive Vivo offer with special discounts on landline, broadband, TV and apps.
Eligible to receive an annual bonus or PPR (profit participation program).
Plan your future through a private pension plan.
If you have children, you are eligible for a subsidy to help with school, daycare or babysitter expenses.
Work in an environment that respects your personality, dress style and individuality—be yourself. #VemdeVocê
Work remotely up to 3 times per week. #Mobility
Flexible working hours.
Enjoy a day off to celebrate your birthday.
Participate in one of the largest corporate volunteer programs to help make a difference.
Benefit from our Educational Development Program offering partnerships with educational institutions at a discount, plus certifications and online courses.
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