Role Overview

We are seeking a highly experienced Senior Software Developer to design, develop, and maintain large-scale enterprise applications. The role involves translating technical specifications into robust solutions, working across the full Software Development Life Cycle (SDLC), and supporting complex Oracle-based systems and modern web architectures.

Key Responsibilities

- Translate technical system specifications into scalable, high-quality applications
- Develop detailed programming specifications and write efficient, maintainable code
- Perform unit testing, debugging, and application support
- Troubleshoot and resolve technical issues during development and post-deployment
- Collaborate with cross-functional teams throughout SDLC
- Design, develop, test, and document enterprise applications
- Participate in design walkthroughs and technical discussions
- Support implementation, migration, and system enhancements
- Provide post-implementation support and documentation

Core Requirements (Must Have)

- 10+ years of experience in designing and developing large-scale web applications
- 10+ years of hands-on experience with Java + Oracle/SQL databases
- 5+ years experience with REST APIs / RESTful Web Services
- Strong experience in Microservices Architecture
- Expertise in Object-Oriented Programming, Design Patterns, Clean Code, Refactoring




- Solid understanding of Agile methodologies

- Experience with Azure DevOps

Technical Skills

- Security protocols: JWT, OAuth2.0, SSL Certificates
- Database expertise: Relational & hierarchical DBs, SQL tuning, partitioning
- Experience with query languages & information retrieval tools
- Knowledge of communication protocols & middleware/gateways
- Experience with Internet-ready applications & RAD methodologies

Requirements Oracle-Specific Expertise (Highly Preferred)

- Oracle E-Business Suite (EBS) modules:
- GL, AR, AP, Collections, Inventory

- Strong programming skills in

- PL/SQL, SQL, XML, Unix Shell Scripting, Oracle Data Integrator

- Experience with ETL, Data Warehousing, OBIEE
- Knowledge of Oracle ADF & Java integration
- Experience conducting impact assessments on Oracle customizations.

Soft Skills

- Solid verbal and written communication skills
- Excellent analytical and problem-solving abilities
- Ability to work in fast-paced, deadline-driven environments
- Strong collaboration and stakeholder management skills
- Proven ability to work effectively within large teams

Nice to Have

- Experience working with Ontario Public Service (OPS) or public sector
- Knowledge of AODA (Accessibility for Ontarians with Disabilities Act)
- Experience with design walkthroughs & documentation

📌 Software Developer - Senior (Toronto)
🏢 Joblinxsapp
📍 Toronto