Apply now

First seen by our source: 25 days ago

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

@ Source Code

Toronto, Ontario

Apply now
SIGNALS

Overview

Source Code is hiring two senior full-stack software developers on a one-year contract with one possible extension, working on a digital credentials platform. The work covers JavaScript frameworks, Python, Java, secure APIs, and decentralized identity standards, with a security clearance required.

Responsibilities:

  • Build and maintain full-stack digital credentials platform components
  • Develop credential lifecycle features aligned with W3C Verifiable Credentials
  • Build secure APIs and asynchronous verification services
  • Implement cryptographic operations and secure key management
  • Write automated tests and participate in code reviews

Requirements summary:

  • In-depth experience with JWT/JWS, PKI (X.509), OAuth2, and SHA/SHA2
  • Full-stack development with React, Vue, Node.js, Python, or Java
  • Integration with REST APIs and event-driven services
  • CRJMC security clearance

Tools & skills

Source and dates

Source type not verified · manatal

Employer posting date
Not provided
First seen by our source
2026-10-12
Source record updated
2026-10-12

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Travelair: none · ground: none
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
Security clearanceOther clearance

Summary and details written by AI from the posting; the employer’s posting is the authority.

Source Code

FieldValue
Open jobs on Jobsy655
Job description

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.

Similar jobs

  • Staff Systems Engineer

    Toronto, ON
    HybridFull Time

    ServiceNow

    Due to Government of Canada regulatory requirements, this position requires the successful completion of a Government of Canada Reliability Status screening as a condition of employment; Candidates must be eligible to…

    Staff Systems Engineer

    Toronto, ON
    HybridFull Time

    ServiceNow

    8+ YOEDue to Government of Canada regulatory requirements, this position requires the successful completion of a Government of Canada Reliability Status screening as a condition of employment; Candidates must be eligible to…

    Vulnerable sector check, DNS, LDAP, Linux, Google Cloud, IBM Terraform

  • Freelance Recruitment Partner (Japan)

    Toronto, ON
    RemoteFull Time

    David Kennedy Recruitment: Established in October 2018, DKR is a virtual UK-based limited company, comprising of 150+ staff located across the globe, with fluency in 32…

    📞 BPO & Customer Experience; Multiple hires required with additional projects expected to follow; Recruiters with existing Japanese candidate networks, language communities, university contacts, hospitality networks,…

  • Studio Manager, Electrical Engineering

    Toronto, ON
    $120k–$170k/yr

    NORR

    You will also be in involved in billable project activities where required to optimize full use of their time; Monitoring level of service given to clients; analyzing trends and making changes as required to ensure…

  • Senior Actuarial Analyst

    Toronto, ON +1
    Full Time

    Sovereign

    You have completed a post-secondary degree in Mathematics, Actuarial Science or related discipline; You have 2 years of experience in the Property and Casualty field, with relevant experience in actuarial pricing; You…

  • Call Centre Agent - Work at Home

    Toronto, ON
    $20–$24/hrFull Time

    Inspire Direct Marketing

    2+ YOEA minimum of 2 years’ customer service and call centre experience; Job Requirements:

    Teamwork, Customer service

  • Senior Project Manager - Transmission and Distribution

    Toronto, ON +2
    $137k–$182k/yrFull Time

    AtkinsRéalis Canada Inc.

    Building and nurturing collaborative relationships with clients and key stakeholders, serving as a primary client contact where required; Bachelor’s degree in Electrical, Civil or a related Engineering discipline;…

Locations & environments

Locations

All of CanadaRemote · Hybrid · On-site · Field

Pro tip: add remote jobs to widen your search.

Exclude locations

Workplace type

Company jobs in these results

These are this company’s jobs loaded in your current search. The company may have more openings.