Development of Decentralized Identity (DID/VC) solutions backed by blockchain, integrated with enterprise applications and APIs.
Implement integrations between internal services and ecosystem components (issuance/verification, DID resolution, registries/ledgers, integration with wallets and SDKs).
Know and implement key ecosystem standards and specifications (DID/VC, smart contracts where applicable) and corporate integration standards.
Develop and test smart contracts, following engineering standards, versioning and security best practices.
Contribute to hardening and secret protection (Vault/Secret Managers, access policies and rotation), guided by technical references.
Test automation (integration, contract, regression) and end-to-end validation of DID/VC journeys.
Document technical decisions and contribute reusable guides and templates.
Develop and test data loading/ETL flows.
Operate and manage change processes according to the company’s change governance (ITSM).
Monitor pentest reports and remediate vulnerabilities.
Requirements
Hands-on experience in system development and integration (REST APIs, events, messaging, databases).
Experience with object-oriented languages such as Java, Kotlin or C#.
Experience or familiarity with frameworks like Spring (Spring Boot) and/or Quarkus (or equivalents in the ecosystem).
Familiarity with blockchain fundamentals (transactions, keys, nodes, public vs. permissioned networks) and integration with blockchain services.
Practical familiarity with DID/VC (issuance, verification and integration components).
Understanding of smart contracts and their lifecycle (deployments, calls, events), plus basic security practices.
Differentials: Experience with at least one relevant blockchain platform (EVM or permissioned) in an integration context. Experience with testing/quality tools and pipelines applied to smart contracts. Experience in regulated/complex environments with audit and traceability requirements. Security certifications: CISSP, CEH, CCSP or equivalents.
Tech Stack
ETL
ITSM
Java
Kotlin
Spring
Spring Boot
SpringBoot
Vault
Benefits
Choose the benefits that best suit you and your dependents on a digital platform with multiple categories including Gym, Meal Vouchers, Food Allowance, Pharmacy Assistance, Health Care, Dental and Life Insurance;
Company mobile phone. Yes, a brand-new smartphone for you!
Unlimited voice and data plan! Yes, unlimited! Vivo 5G is up to 10x faster!
An exclusive offer from Vivo, with special discounts on landline, broadband, TV and apps;
Eligible to receive an annual Bonus or PPR (profit-sharing program);
Plan your future through a private pension plan;
Have children? You will be eligible for a subsidy to help with school, daycare or nanny expenses;
Work in an environment that respects your personality, dress style and individuality — be yourself. #BeYou
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 volunteering programs to help transform the world;
Take advantage of our Educational Development Program, offering partnerships with educational institutions at a discount, certifications and online courses;