Java Developer

Experis; Alliston; On-site; CAD 120,000 - 150,000; Full time

Job summary

Experis in Canada seeks a Senior Java Developer to lead modernization of legacy PeopleSoft and design scalable enterprise apps integrating with SAP SuccessFactors and other platforms. You will analyze complex systems, collaborate with HR and IT stakeholders, and drive technical decisions across the program.

You will contribute to API development, data integrations, and cloud-ready solutions, while mentoring teammates in a large HR transformation effort.

Qualifications

• 5+ years of professional software development experience.
• Strong hands-on experience with Java and Spring Boot.
• Experience with Angular or another modern front-end framework.
• Strong SQL and relational database skills (PostgreSQL preferred).
• Experience designing and developing RESTful APIs and enterprise applications.
• Ability to analyze and modernize existing systems you did not originally build.
• Strong understanding of software architecture, security, and design patterns.
• Excellent communication skills with both technical and non-technical audiences.

Responsibilities

• Analyze existing PeopleSoft customizations and legacy functionality.
• Partner with HR, business stakeholders, SMEs, and technical teams to understand current business processes and system behavior.
• Identify gaps between current-state functionality and SAP SuccessFactors capabilities.
• Recommend which solutions should be rebuilt, simplified, enhanced, or retired.
• Translate business needs into technical requirements, designs, and implementation plans.
• Design, develop, and support enterprise applications using Java/Spring Boot.
• Build scalable, secure, and maintainable applications aligned with enterprise architecture standards.
• Participate in code reviews, testing, and development best practices.
• Provide ongoing support, enhancements, and lifecycle management for developed solutions.
• Design, develop REST APIs and data integrations.
• Ensure data quality, reconciliation, traceability, and system reliability.
• Collaborate with project teams, integrators, HR stakeholders, and internal IT groups.
• Participate in solution reviews, testing cycles, deployment activities, and post-go-live support.

Skills

Java

Spring Boot

Angular

SQL

REST APIs

Enterprise apps

Architecture

Communication

Job description

We're looking for a Senior Java Developer to play a key role in a large-scale HR transformation initiative. This position will focus on modernizing legacy PeopleSoft functionality and designing custom solutions that integrate with SAP SuccessFactors and other enterprise platforms.

If you're a strong full-stack developer who enjoys analyzing complex legacy systems, designing scalable enterprise applications, and collaborating with both technical and business stakeholders, we'd love to hear from you.

What You'll Be Doing

Business Analysis & Solution Discovery

• Analyze existing PeopleSoft customizations and legacy functionality.
• Partner with HR, business stakeholders, SMEs, and technical teams to understand current business processes and system behavior.
• Identify gaps between current-state functionality and SAP SuccessFactors capabilities.
• Recommend which solutions should be rebuilt, simplified, enhanced, or retired.
• Translate business needs into technical requirements, designs, and implementation plans.

Solution Design & Development

• Design, develop, and support enterprise applications using:
• Angular
• Build scalable, secure, and maintainable applications aligned with enterprise architecture standards.
• Participate in code reviews, testing, and development best practices.
• Provide ongoing support, enhancements, and lifecycle management for developed solutions.

Integration & Data Management

• Design and implement integrations between SuccessFactors, enterprise systems, and data platforms.
• Develop REST APIs, OData integrations, and scheduled data pipelines.
• Ensure data quality, reconciliation, traceability, and system reliability.
• Support integrations involving HR, payroll, time management, and reporting platforms.
• Work closely with project teams, integrators, HR stakeholders, and internal IT groups.
• Participate in solution reviews, testing cycles, deployment activities, and post-go-live support.
• Contribute to overall project success through strong communication and stakeholder engagement.

Required Qualifications

• 5+ years of professional software development experience.
• Strong hands‑on experience with Java and Spring Boot.
• Experience with Angular or another modern front‑end framework.
• Strong SQL and relational database skills (PostgreSQL preferred).
• Experience designing and developing RESTful APIs and enterprise applications.
• Ability to analyze and modernize existing systems you did not originally build.
• Strong understanding of software architecture, security, and design patterns.
• Excellent communication skills with both technical and non-technical audiences.

Nice to Have

• PeopleSoft technical or functional experience.
• SAP SuccessFactors experience, including Employee Central, OData/SFAPI, or SAP Integration Suite (CPI).
• Payroll (ADP) or Workforce Management (UKG/Kronos) integration experience.
• Experience integrating with enterprise data lakes and data warehouses.

Why Apply?

• Work on a high-impact enterprise transformation program.
• Influence the future-state HR technology landscape.
• Collaborate with cross-functional business and technology teams.
• Opportunity to modernize legacy systems using contemporary technologies and cloud-based HR platforms.