Job Summary: This role focuses on designing and implementing decentralized identity solutions with blockchain, ensuring high security and compliance. Key Highlights: 1. Focus on security and decentralized identity (DID/VC) projects 2. Responsible for scalable and secure DID/VC architectures 3. Work with emerging identity and blockchain technologies VP: **CHIEF INFORMATION OFFICER** Directorate: **Architecture and Tech Strategy** Work Location: **Avenida Engenheiro Luís Carlos Berrini, 1376** **This position will be part of the Directorate of Architecture and Tech Strategy, focusing on security-related projects, driving the design and implementation of blockchain-supported Decentralized Identity (DID/VC) solutions. The professional will be responsible for supporting the definition of standards, integrations, and reusable components to ensure high security, traceability, and compliance across identity journeys, aligned with the corporate architecture and security strategy.** **We seek a professional with a security mindset, systemic thinking, and strong technical communication skills, capable of collaborating with multidisciplinary teams and navigating complex environments. Attention to detail, architectural vision, and continuous learning are highly valued, as they are essential for working with emerging identity and blockchain technologies.** **Hybrid work model at Berrini.** **Do you identify with this profile? Then this opportunity is for you!!!** **Responsibilities and Duties** **Responsibilities** * Define and implement scalable and secure **DID/VC** architectures with blockchain layer (public and/or permissioned), for enterprise use cases. * Lead the design and execution of integrations between blockchain, identity services, and enterprise systems (APIs, events, gateways, messaging). * Ensure consistent adoption of **DID/VC**, blockchain, and smart contract (where applicable) **standards and specifications**, with focus on interoperability and engineering. * Develop and test data loading (ETL) workflows. * Implement and utilize ZKP (zero-knowledge proof) frameworks and Hyperledger (focused on IDD). * Develop integrations with certificate issuers. * Develop and design integrations with identity-related wallets/agents/SDKs. * Design end-to-end credential issuance, presentation, and verification workflows, aligning governance, traceability, and operational requirements. * Define engineering standards for **smart contracts**: modeling, events, versioning, testing, review, and security 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 administer change processes according to company governance for change management (ITSM). * Develop and document integrations with HSMs. * May provide technical leadership to Analysts. **Requirements and Qualifications** **Requirements:** * Solid experience as a senior developer/architect in distributed systems and complex integrations. * Mandatory and hands-on experience with **Decentralized Identity (DID/VC)** in an enterprise context. * Practical experience with **blockchain** (at least one relevant platform), including node integration, transactions, events, and network operations. * Proficiency in **standards and specifications** applicable to DID/VC and smart contracts, with focus on interoperability and engineering. * Experience with **object-oriented programming languages**, such as **Java, Kotlin or C\#**. * Practical experience with **Spring** and/or **Quarkus** in production (or equivalents). * Knowledge of applied security (signatures, keys, secrets, hardening, access controls) and engineering practices (testing, CI/CD). **Preferred Qualifications:** * Experience with middleware, indexing, and query/historical query strategies on blockchain networks. * Experience in regulated environments and complex governance (multi\-organization). * Security certifications: CISSP, CEH, CCSP or equivalents **Additional Information** At Vivo, we spare no effort in supporting and valuing our employees! These are not only excellent benefits, but also flexible ones. See what we offer\* to you: * Choose the ideal benefit for you and your dependents via a digital platform offering multiple categories: Gym, Meal Voucher (VR), Food Voucher (VA), Pharmacy Assistance, Medical Assistance, Dental Assistance, and Life Insurance; * Corporate mobile phone. Yes, a brand-new smartphone for you! * Unlimited voice and data plan! Yes, unlimited! Vivo’s 5G is up to 10 times faster! * An exclusive Vivo offer with special discounts on landline, broadband, TV, and apps; * Eligibility for annual Bonus or PPR; * Plan your future through our Private Pension Plan; * Have children? You’ll be entitled to a subsidy to help cover school, daycare, or babysitter expenses; * Work in an environment that respects your personality, your style of dress, your way of being — and where you can be authentic. \#VemdeVocê * Remote work up to 3 days per week. \#Mobility * Flexible working hours; * Enjoy a day off (Day off) to celebrate your birthday; * Participate in one of the largest corporate volunteer programs to transform the world; * Benefit from our Educational Development Program, offering partnerships with educational institutions with discounts; certifications and online courses; * Accelerate your career through our Internal Recruitment Program, in Brazil or abroad — after all, we operate in more than 17 countries! \#VivoMinhaCarreira And much more! But you must apply to find out... * As per the company’s eligibility policy. **\#VEMPRAVIVO** All our job openings are open to people with disabilities and/or rehabilitated individuals. We have a culture that values diversity, differences, and people’s potential! See what we offer\* to you: At Vivo, we spare no effort in supporting and valuing our employees. These are not only excellent benefits, but also flexible ones. * Choose the ideal benefit for you and your dependents via a digital platform offering multiple categories: Gym, Meal Voucher (VR), Food Voucher (VA), Pharmacy Assistance, Medical Assistance, Dental Assistance, and Life Insurance; * Corporate mobile phone. Yes, a brand-new smartphone for you! * Unlimited voice and data plan! Yes, unlimited! With the best mobile network, even faster with Vivo’s 5G! * An exclusive Vivo offer with special discounts on landline, broadband, TV, and Apps; * Eligibility for annual Bonus or PPR; * Plan your future through our Private Pension Plan; * Have children? You’ll be entitled to a subsidy to help cover school, daycare, or babysitter expenses; * Work in an environment that respects your personality, your style of dress, your way of being — and where you can be authentic. \#VemdeVocê * Remote work up to 3 days per week. \#Mobility * Flexible working hours; * Enjoy a day off (Day off) to celebrate your birthday; * Participate in one of the largest corporate volunteer programs to transform the world; * Benefit from our Educational Development Program, offering partnerships with educational institutions with discounts; certifications and online courses. We are a company of the Telefônica Group, leader in telecommunications in Brazil. Our purpose is to **Digitalize to Bring Closer** people, businesses, and society as a whole, building a more connected nation and transforming the lives of Brazilians. We aim to expand autonomy, personalization, and real-time choices for our customers, placing them in control of their digital lives — securely, reliably, and with the quality only Vivo delivers. To make this possible, we lead a digital transformation process and are revolutionizing our company from within. We’ve implemented agile methodologies across the organization, seeking to connect with the most innovative and collaborative ways of working. We act to foster a diverse and inclusive environment that stimulates creativity, drives innovation, and increases engagement. We believe **diversity** — in people, experiences, cultures, behaviors, skills, and attitudes — is a differentiator that reflects the society we live in. We have a robust internal program, grounded on the pillars of Gender, LGBTI\+, Race, Persons with Disabilities (PcD), and 50\+, to ensure a more inclusive culture and a more diverse and representative environment. We are a **technology** company, inspired by diversity and **innovation**, offering space for everyone, supporting and embracing differences. We believe the path to delivering the best experience to our customers begins with providing a great experience to our employees. **\#VemPraVivo**
João Silva
Indeed · HR
João Silva
Indeed · HR
