RQ10451 - 2 x Sr. Software Developer - Full Stack (JavaScript, Java, Python, API

About this role

RQ10451 - 2 x Sr. Software Developer - Full Stack (JavaScript, Java, Python, API)
2 Openings - 2 different submissions preferred
1-year contract (252 business days) 1 possible extension
Security Level: CRJMC
Key Responsibilities

• Design, build, and maintain full‑stack components of the digital credentials platform using modern JavaScript frameworks (React, Vue, Angular), Python, Java, HTML5, CSS3 and similar stacks.

• Develop and extend open source Open Wallet Foundation ACA-PY, credential exchange protocols, DID resolution services, and secure messaging workflows.

• Implement credential lifecycle features—including issuance, presentation, revocation, and IETF Status List support—aligned with W3C Verifiable Credentials and decentralized identity standards.

• Build secure APIs and asynchronous services to support verification flows, trust framework compliance, and interoperability across issuers, holders, verifiers, and external systems.

• Apply strong security practices, implementing cryptographic operations, secure key management, and hardware‑backed storage patterns.

• Ensure back‑end integrations follow best practices for authentication, authorization, encryption, and secure data exchange.

• Support front‑end user interfaces and admin dashboards that interact with credential services, ensuring usability, performance, and accessibility.

• Develop automated tests (unit, integration, API‑level), participate in code reviews, and uphold high engineering standards across the stack.

• Collaborate closely with architects, DevOps, security specialists, and cross‑ministry stakeholders to ensure end‑to‑end functional integrity.

• Document system designs, workflows, schema definitions, and operating procedures to support maintainability and knowledge sharing.

• Participate in Agile ceremonies, support milestone planning, and assist in troubleshooting distributed digital credential environments.

Must-Haves:

• In-depth development experience with JWT/JWS, PKI (X.509), OAUTH2, and SHA/SHA2.

• Build user‑facing components, dashboards, or admin consoles that interface with digital credential services using modern JavaScript frameworks (React, Vue, Node.js), Python, Java, HTML5, CSS3 and similar stacks.

• Integrate backend systems into broader enterprise and cross‑ministry ecosystems using REST APIs, event‑driven services, and secure messaging systems.

Originally posted on Himalayas