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 Strong 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 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

Strong 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