Senior Java Developer

Symbiotic Group; Toronto; Hybrid; CAD 120,000 - 150,000; Full time

Job summary

Symbiotic Group seeks an experienced Software Developer to design, build, test, and support large-scale enterprise applications across the full SDLC. You will translate technical specs into scalable, secure software solutions and collaborate with cross-functional teams.

The role emphasizes Java development, REST APIs, microservices, and SQL/Oracle databases, with a strong focus on maintainability and performance in enterprise environments in Canada.

Qualifications

• Experience designing, coding, testing, debugging, and documenting applications.
• Experience with object-oriented programming and design patterns.
• Experience developing large-scale web applications with multiple clients.

Responsibilities

• Translate technical system specifications into fully functional, tested applications.
• Develop detailed programming specifications.
• Write and/or generate application code.
• Maintain applications and conduct unit testing.
• Troubleshoot and resolve technical issues that arise during software operation.
• Provide technical assistance during implementation, system conversion, and migration activities.
• Participate in application design, development, testing, debugging, deployment, and documentation activities.
• Conduct impact assessments and support system enhancements and customizations.
• Review, analyze, and modify installation scripts, including testing and debugging.
• Provide post-implementation support and resolve technical issues.
• Participate in design walkthroughs and collaborate with project teams.
• Create and maintain user and system documentation as required.

Skills

Java

REST APIs

Microservices

OOP

SQL/Databases

Problem-solving

Team collaboration

Software design

Testing

SDLC

Education

Bachelor's degree in Computer Science

Tools

RESTful frameworks

Oracle/SQL databases

Job description

We are seeking an experienced Software Developer to design, develop, test, and support large-scale enterprise applications. The successful candidate will work throughout the full Software Development Life Cycle (SDLC), translating technical specifications into scalable, maintainable, and secure software solutions.

Key Responsibilities

• Translate technical system specifications into fully functional, tested applications.
• Develop detailed programming specifications.
• Write and/or generate application code.
• Maintain applications and conduct unit testing.
• Troubleshoot and resolve technical issues that arise during software operation.
• Provide technical assistance during implementation, system conversion, and migration activities.
• Participate in application design, development, testing, debugging, deployment, and documentation activities.
• Conduct impact assessments and support system enhancements and customizations.
• Review, analyze, and modify installation scripts, including testing and debugging.
• Provide post-implementation support and resolve technical issues.
• Participate in design walkthroughs and collaborate with project teams.
• Create and maintain user and system documentation as required.

Required Qualifications

General Skills

• Experience in programming and analysis, including specialized software package support.
• Ability to collaborate effectively with IT professionals throughout the Software Development Life Cycle.
• Experience with structured methodologies for application design, development, implementation, and maintenance.
• Experience designing, coding, testing, debugging, and documenting applications.
• Experience using object-oriented and/or third-generation programming language development tools.
• Experience with one or more programming languages.
• Experience with application design patterns, deployment, and troubleshooting.
• Experience with relational and hierarchical database technologies.
• Experience using information retrieval packages and query languages.
• Experience with communication protocols.
• Experience gathering and documenting requirements from business stakeholders and subject matter experts.
• Strong analytical, problem-solving, decision-making, communication, interpersonal, and negotiation skills.
• Proven ability to work collaboratively and meet project deadlines.

Technical Skills

• 10+ years of experience designing and developing large-scale multi-client web applications.
• 10+ years of hands-on Java development experience with Oracle or SQL databases.
• 5+ years of experience developing REST APIs and RESTful Web Services.
• Experience applying microservices architecture principles to improve extensibility and maintainability.
• Experience with Rapid Application Development (RAD) methodologies.
• Knowledge of security gateways and protocols including JWT, OAuth 2.0, and SSL Certificates.
• Strong understanding of Agile methodologies.
• Experience with object-oriented programming principles, design patterns, refactoring, and clean code practices.
• Experience with relational and hierarchical database technologies.
• Experience using query languages and information retrieval tools.
• Experience with communication protocols.

Oracle Development Experience

• Experience conducting impact assessments on Oracle E-Business application customizations and extensions.
• Strong conversion experience in Accounts Receivable and Collections modules.
• Strong programming experience with Oracle Database, PL/SQL, SQL, XML, Unix Shell Scripting, and Oracle Data Integrator.
• Business knowledge of Oracle E-Business Suite modules including General Ledger, Accounts Receivable, Collections, Accounts Payable, and Inventory.
• Strong knowledge of Oracle E-Business Suite table structures related to financial and inventory modules.
• Experience with SQL performance tuning and partitioned tables.
• Experience with Data Warehousing, ETL methodologies, and OBIEE.
• Experience with Java and Oracle Application Development Framework (ADF) is considered an asset.
• Strong communication and leadership skills.

Additional Qualifications

• Knowledge of Information Management principles, concepts, policies, and practices.
• Experience with middleware and gateways.
• Knowledge of Accessibility for Ontarians with Disabilities Act (AODA) standards and related regulations.

Soft Skills

• Strong written and verbal communication skills.
• Ability to develop and present innovative solutions.
• Excellent interpersonal and team collaboration skills.
• Ability to work effectively with both functional and technical teams.
• Strong analytical and systematic problem-solving abilities.
• Ability to work under pressure and adapt to changing priorities and timelines.

Preferred Experience

• Experience working within Ontario public sector development standards and processes.

About 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 Results
• Recruitment: Find The Right People You Need

Serving 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.