Systems Architecture Consultant, DID/VC

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🕒 5 days ago

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Vivo (Telefônica Brasil)

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1998

📡 Telecommunications

👥 B2C

📱 Media

Telecommunications • B2C • Media

Vivo (Telefônica Brasil) is a leading Brazilian telecommunications company that provides mobile services (prepaid, postpaid, control), fixed broadband (Vivo Fibra), fixed voice, and TV/streaming products (Vivo Play and TV packages). It sells devices and accessories, offers bundled plans (Fiber + Mobile), digital services and apps (content partners like Amazon Prime, Netflix, Disney+, HBO), and features such as 5G connectivity, online customer support and self-service. Vivo serves both individual consumers and business customers across Brazil with nationwide coverage and retail channels.

📋 Description

• **Responsibilities** • 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 enterprise systems (APIs, events, gateways, messaging). • Ensure consistent adoption of **standards and specifications** for DID/VC, blockchain and smart contracts (where applicable), with a focus on interoperability and engineering. • Develop and test data loading (ETL) flows. • Implement and use ZKP (zero-knowledge proof) frameworks and Hyperledger (focused on DID). • Develop integrations with certificate issuers. • Develop and design integrations with wallets/agents/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 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. • Operate and manage change processes according to company governance for change management (ITSM). • Develop and document integrations with HSM (Hardware Security Modules). • May provide technical leadership to Analysts.

🎯 Requirements

• **Requirements:** • Strong experience as a senior developer/architect in distributed systems and complex integrations. • Mandatory hands-on experience with **Decentralized Identity (DID/VC)** in an enterprise context. • Mastery 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#**. • Hands-on experience with **Spring** and/or **Quarkus** in production (or equivalents). • Knowledge of applied security (signatures, keys, secrets, hardening and access controls) and engineering practices (testing, CI/CD).

🏖️ Benefits

• Choose the ideal benefit for you and your dependents via a digital platform with various categories such as Gym, Meal Voucher (VR), Food Allowance (VA), Pharmacy Assistance, Health Insurance, Dental Insurance 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; • Eligible to receive an annual Bonus or PPR (Profit Sharing/Results Payment); • Plan your future with a private pension plan; • Have children? You will be entitled to a subsidy to help with school, daycare or babysitter expenses; • Work in an environment that respects your personality, dress style and way of being — you can be authentic. #VemdeVocê • Work remotely up to twice a week. #Mobility • Flexible working hours; • Enjoy a day off to celebrate your birthday; • Participate in one of the largest corporate volunteer programs to make an impact on the world; • Benefit from our Educational Development Program offering partnerships with educational institutions at a discount; certifications and online courses;