Senior Full Stack Developer

Position: Senior Full Stack DeveloperLocation: Toronto, ON (Onsite) Job ID#: RQ11439 Duration: 10 MonthsRole OverviewWe are seeking an experienced Software Developer to design, develop, test, and support enterprise-grade applications within a modern technology environment. The successful candidate will be responsible for translating business requirements and technical specifications into scalable, secure, and high-quality software solutions while collaborating with cross-functional teams throughout the Software Development Life Cycle (SDLC).Key ResponsibilitiesTranslate business requirements and technical specifications into scalable, secure, and fully tested full-stack applications.Develop detailed technical designs and programming specifications.Write, review, and maintain clean, efficient, and maintainable code following industry best practices.Build and enhance data-driven applications and backend services.Design and execute unit, integration, and end-to-end testing strategies.Develop modern, responsive frontend components using React and/or Angular.Develop robust backend services and APIs using Java and Spring Boot.Build and maintain RESTful APIs and microservices architectures.Troubleshoot and resolve technical issues across development, testing, and production environments.Support application deployment, data migration, and system integration activities.Collaborate with cross-functional teams through code reviews, design sessions, and Agile ceremonies.Ensure solutions meet security, performance, scalability, and accessibility standards.Contribute to continuous improvement of development processes, tools, and standards.Provide technical support for implementation, system integration, data conversion, and migration activities.Required QualificationsGeneral SkillsExperience in programming and systems analysis within enterprise application environments.Strong ability to collaborate with IT professionals across the SDLC.Experience in application design, modern design patterns, deployment, and troubleshooting.Experience designing, coding, testing, debugging, and documenting applications.Proficiency in object-oriented programming and modern scripting languages.Experience with relational database technologies and SQL development.Experience building and supporting data-driven applications.Experience working with API-based and web applications using REST and HTTP protocols.Experience with structured development methodologies such as Agile and Waterfall.Ability to gather, analyze, and document business requirements.Experience in application deployment and environment management.Strong analytical, problem-solving, communication, and collaboration skills.Ability to manage competing priorities and meet deadlines.Mandatory Technical Skills10+ years of experience developing n-tier enterprise applications.Expertise in application architecture, design patterns, deployment, and troubleshooting.Strong experience with JPA or Hibernate and Spring Boot Framework.Advanced database design and SQL development experience.Expertise in PostgreSQL, PL/pgSQL, and Azure Cosmos DB.Experience with JavaScript/TypeScript frameworks such as React and Angular.Experience gathering and documenting business requirements.Strong analytical, problem-solving, and communication skills.Nice to Have SkillsExperience building cloud-native, internet-facing applications.Agile development experience including Scrum, User Stories, Continuous Integration, and test automation.Experience with middleware, API gateways, or integration services.Experience facilitating design walkthroughs and technical discussions.Knowledge of accessibility standards and best practices.Strong written and verbal communication skills with the ability to contribute to technical leadership and quality assurance activities.Technical EnvironmentBackend DevelopmentJavaSpring BootSpring Framework (Core, MVC, Security, Data, Batch)RESTful APIsIntegration patternsRedis cachingFrontend DevelopmentReactAngularJavaScriptTypeScriptResponsive web application developmentDatabase TechnologiesPostgreSQLPL/pgSQLAzure Cosmos DBJPAHibernateMyBatisCloud PlatformsMicrosoft AzureAzure App ServicesAzure FunctionsAzure StorageAzure Database for PostgreSQLTesting & Quality EngineeringJUnit 5MockitoJestPlaywrightKatalonAPI TestingBDD PracticesCI/CD PipelinesMethodologiesAgileScrumCode ReviewsDesign SessionsAbout Symbiotic Digital.Symbiotic Digital provides the IT Experts you need that solve problems and get things done. See what the top 2% in their field can do for you. (Symbiotic Digital is a division of Symbiotic Group Inc.) We serve customers in two ways, we provide:Digital Experts: IT Consulting expertise. Bright Minds That Produce Proven ResultsRecruitment: Find The Right People You NeedServing IT & Business leaders, Symbiotic Digital provides a business system that enable us to provide the Expert Technical staff needed to solve challenging business and IT problems. IT leaders in the most reputable organizations in Canada have relied on Symbiotic Digital to help them staff difficult assignments with proven Experts uniquely evaluated by our proven QMS- Quality Management System Staff Development Model. We are a 100% Indigenous owned company.Learn more online at https://www.symbioticgroup.com/home-sd/.Please submit your most recent resume to: RecDep@symbioticgroup.comView All Jobs online at: https://www.symbioticgroup.com/view-jobs/