RQ10451 Software Developer Full Stack Senior

Key Responsibilities

• Design build and maintain fullstack 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 featuresincluding issuance presentation revocation and IETF Status List supportaligned 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 hardwarebacked storage patterns.
  
• Ensure backend integrations follow best practices for authentication authorization encryption and secure data exchange.
  
• Support frontend user interfaces and admin dashboards that interact with credential services ensuring usability performance and accessibility.
  
• Develop automated tests (unit integration APIlevel) participate in code reviews and uphold high engineering standards across the stack.
  
• Collaborate closely with architects DevOps security specialists and crossministry stakeholders to ensure endtoend 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.
  

Requirements

Digital Credentials Platform Development - 40%

• In-depth development experience with JWT/JWS PKI (X.509) OAUTH2 and SHA/SHA2.
  
• Design develop and maintain digital credentials platform and services that support the full digital credentials lifecycle (issuance holding presentation revocation and status checks) using Python as a primary development language.
  
• Developing and extending Open Wallet Foundation ACA-PY agents credential exchange protocols DID resolution components and secure messaging workflows.
  
• Build and maintain credential status infrastructures including IETF Status List implementations for revocation suspension and validity checking.
  
• Develop RESTful service APIs and asynchronous service components supporting verifiable credential exchange credential verification trust framework compliance and interoperability with external systems.
  
• Implement secure interaction patterns between credential issuers verifiers and holders ensuring compliance with decentralized identity standards trust registries and governance frameworks.
  
• Ensure compliance with global digital identity standards and/or specifications such as W3C Verifiable Credentials IETF PCTF NIST and eIDAS.
  
• In-depth understanding of security and protocols such as OIDC OIDF OpenID4VC/OpenID4VP W3C DC-API OAuth2 JWT/JWS(JOSE) TLS PKI CBOR/COSE ECDSA P-256Ed25519 SHA/SHA2 and RSA.
  
• Knowledge of W3C verifiable credential data model ISO/IEC 18013-X ISO/IEC 23220-X (mDOC) and decentralized identifiers (DIDs).
  
• Contribute to standards adoption by evaluating new specifications (e.g. DIF ToIP IETF) and translating them into working production components.
  

FullStack Development & Integration 40%

• Build userfacing components dashboards or admin consoles that interface with digital credential services using modern JavaScript frameworks (React Vue ) Python Java HTML5 CSS3 and similar stacks.
  
• Integrate backend systems into broader enterprise and crossministry ecosystems using REST APIs eventdriven services and secure messaging systems.
  
• Contribute to containerized deployments using Docker and orchestrated environments such as Kubernetes.
  
• Develop automated unit integration and APIlevel tests to ensure robustness of digital credential workflows.
  
• Participate in code reviews architectural discussions and quality engineering practices to ensure reliable and maintainable production systems.
  
• Ensure robust backend interaction patterns including authentication authorization encryption and secure data exchange.
  

Security Cryptography & Trust Infrastructure 10%

• Implement cryptographic operations for signing encrypting deriving proofs and verifying credentials using libraries and standards relevant to decentralized identity.
  
• Apply modern secure coding practices in areas such as key management hardwarebacked storage DID document handling secure channel establishment and credential integrity protection.
  
• Ensure systems follow enterprise security guidelines and trust framework requirements (e.g. PCTF IETF NIST eIDAS) performing regular security updates and dependency patching.
  

Collaboration Documentation & Agile Delivery 10%

• Work closely with architects developers DevOps automation engineers and security specialists to ensure endtoend functional integrity across digital wallet credentials issuer and credential verifier.
  
• Document system designs credential workflows schemas data models and operational procedures to support maintainability and knowledge sharing.
  
• Participate in Agile ceremonies (sprint planning refinement retrospectives) and contribute to milestone planning for digital identity features.
  
• Support troubleshooting and rootcause analysis across distributed digital credential environments.