About the role

Design and implement scalable DID/VC architectures on public or permissioned blockchains. Lead integrations with identity services, corporate systems, ZKP frameworks and operational practices.

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 corporate systems (APIs, events, gateways, messaging).
Ensure consistent adoption of DID/VC, blockchain and smart contract standards and specifications (where applicable), focusing on interoperability and engineering best practices.
Develop and test data ingestion flows (ETL).
Implement and use ZKP (zero-knowledge proof) frameworks and Hyperledger technologies (focused on identity).
Build integrations with certificate issuers.
Develop and design integrations with identity wallets/agents/SDKs.
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.
Participate in and manage change processes according to the company’s ITSM governance for change management.

Solid 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.
Practical experience with blockchain (at least one relevant platform), including node integration, transactions, events and network operations.
Mastery of applicable standards and specifications for 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).

Choose the ideal benefits for you and your dependents through a digital platform with multiple categories including Gym, Meal Voucher (VR), Food Voucher (VA), Pharmacy Assistance, Medical Care, Dental Care and Life Insurance;
Corporate mobile phone. Yes, a brand-new smartphone for you!
Unlimited voice and data plan! Yes, unlimited! Vivo 5G can be up to 10x faster!
An exclusive Vivo offer with special discounts on landline, broadband, TV and apps;
Eligible for annual Bonus or PPR;
Plan your future through 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 individuality — you can be authentic. #BeYou
Work remotely 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 help you make a difference in the world;
Take advantage of our Educational Development Program offering partnerships with educational institutions at a discount; certifications and online courses;