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RQ11737 - Software Developer - Full Stack - Senior Designs, develops, integrates, tests, deploys, and maintainsenterprise platform capabilities across the user-interface, service, API,workflow, integration, and data-access layers. The role builds reusableplatform services that can support multiple government programs, while alsoimplementing the service-specific connections required to onboard registries,permitting, forms, payments, notifications, documents, identity, and otherbusiness-facing functions. Working with architects, product managers, analysts,UX designers, QA specialists, DevOps engineers, security and privacy teams, andministry partners, the Senior Software Developer – Full Stack converts approveddesigns and requirements into secure, scalable, observable, and maintainablesoftware. The role provides technical leadership through design input,estimation, code review, automated testing, troubleshooting, documentation,mentoring, and production support, helping ensure the platform remains stablewhile evolving through frequent releases and new integrations. Experience: • Ten or more years of experience designing and developinglarge-scale, multi-client web applications, or an equivalent depth of seniordevelopment experience. • Extensive hands-on Java development experience with Oracle,SQL, or comparable relational database technologies. • Significant experience designing and developing REST APIsand RESTful web services. • Experience translating technical system specifications intoworking, tested applications, including detailed programming specifications,code development, compilation, debugging, documentation, maintenance, and unittesting. • Knowledge and experience with microservice architecture andapplying core architecture principles to improve extensibility andmaintainability. • Experience with object-oriented coding practices, currentdesign patterns, refactoring, clean code, and structured developmentmethodologies. • Experience developing Internet-ready applications and usingrapid application development or Agile delivery approaches. • Experience with relational and hierarchical databasetechnologies, query languages, SQL tuning, and data-access components. • Experience with security gateways and protocols such as JSONWeb Tokens, OAuth 2.0, and SSL certificates. • Experience with middleware, gateways, communicationsprotocols, enterprise integrations, and data migration or conversionactivities. • Experience using Azure DevOps or comparable tools for workmanagement, source control, build, testing, and deployment pipelines. • Experience conducting design walkthroughs, code reviews,impact assessments, and technical troubleshooting. • Experience eliciting and documenting information fromdiverse business stakeholders, subject-matter experts, architects, and other ITprofessionals. • Experience providing implementation, conversion, migration,and post-implementation support for complex applications. General Skills / Duties: • Translate approved technical system specifications intoworking, tested, secure, and maintainable enterprise platform applications. • Develop detailed programming specifications and design,write, generate, compile, debug, document, maintain, and unit test applicationcode. • Design and develop frontend, backend, API, integration,workflow, middleware, and data-access components using approved patterns andstandards. • Build and maintain Java-based microservices, REST APIs,RESTful web services, Internet-ready applications, and reusable platformservices. • Develop and maintain database objects, queries, datatransformations, conversion routines, and integration components usingrelational or hierarchical database technologies. • Implement security gateways and protocols, includingidentity, access, token, certificate, and secure communications requirements. • Create and maintain automated unit, integration, API,database, and user-interface tests. • Participate in design walkthroughs, impact assessments, codereviews, estimation, backlog refinement, sprint planning, release planning, andtechnical decision-making. • Review, analyse, and modify build, configuration,product-installation, and deployment scripts, including coding, testing, anddebugging. • Resolve and troubleshoot technical problems arising duringdevelopment, implementation, conversion, migration, deployment, and operation. • Collaborate with business analysts, architects, UXdesigners, testers, DevOps engineers, security specialists, and other ITprofessionals throughout the software development lifecycle. • Provide post-implementation support, resolve productionissues, and improve application performance, reliability, extensibility, andmaintainability. • Prepare and maintain user, system, technical, deployment,and support documentation. • Provide technical guidance and quality oversight whilemeeting delivery commitments and adapting to changing priorities. Requirements Experience and Skill Set Requirements: Must Haves: • Ten or more years of experience as a designer and developerof large-scale, multi-client web applications, or equivalent senior experience. • Extensive hands-on Java development experience with Oracle,SQL, or comparable relational databases. • Significant experience with REST APIs, RESTful web services,microservice architecture, and Internet-ready applications. • Experience with security gateways and protocols, includingJSON Web Tokens, OAuth 2.0, SSL certificates, secure communications, andidentity integration. • Experience with relational and hierarchical databases, querylanguages, SQL tuning, middleware, gateways, communications protocols,conversion, and migration. Nice to have: • OPS or public sector exp. Skill Set Requirements: Core Skills and Experience: • Ten or more years of experience as a designer and developerof large-scale, multi-client web applications, or equivalent senior experience. • Extensive hands-on Java development experience with Oracle,SQL, or comparable relational databases. • Significant experience with REST APIs, RESTful web services,microservice architecture, and Internet-ready applications. • Experience translating specifications into workingapplications using structured and Agile methods, object-oriented practices,design patterns, clean code, automated testing, and Azure DevOps. Technical Skills and Experience: • Experience with security gateways and protocols, includingJSON Web Tokens, OAuth 2.0, SSL certificates, secure communications, andidentity integration. • Strong understanding of Agile methodologies, structureddevelopment methods, object-oriented design, current design patterns,refactoring, and clean code. • Experience with relational and hierarchical databases, querylanguages, SQL tuning, middleware, gateways, communications protocols,conversion, and migration. • Experience with application design, deployment, installationscripts, troubleshooting, post-implementation support, and technicaldocumentation. Soft Skills: • Strong written and verbal communication, analytical,systematic problem-solving, decision-making, interpersonal, and negotiationskills. • Ability to develop and present ideas, lead or participate indesign walkthroughs, and work effectively with functional and technical teams. • Demonstrated ability to perform under pressure, adapt tochange, work within aggressive timelines, and consistently meet deadlines. Public-Sector Experience: • Knowledge of Ontario Public Service development standards,processes, governance, security, accessibility, information-management, anddocumentation expectations. #J-18808-Ljbffr