Accelyst

Accelyst is an innovative AI Consultancy delivering AI-driven, secure, and scalable technology solutions that help organizations accelerate digital transformation and maximize business value.

Job Summary

Accelyst is seeking a Senior J2EE / Enterprise Integration Developer with extensive experience designing, developing, and integrating large-scale enterprise and COTS CRM solutions. The ideal candidate will have strong expertise in J2EE, REST APIs, Spring Integration, Oracle, enterprise integration patterns, middleware, and cloud-based integration solutions.

Key Responsibilities

- Design, develop, implement, and maintain large-scale Oracle Siebel, IBM Curam, Dynamics, or other COTS CRM solutions.
- Design and develop J2EE integrations with enterprise and COTS applications.
- Develop backend solutions using REST Web Services, JPA, Hibernate, SQL, and PL/SQL.
- Design enterprise integration solutions using Spring Integration, JMS, AMQP, REST, APIs, and ESB technologies.
- Develop integration solutions using IBM App Connect Enterprise (ACE) or MuleSoft.
- Design and implement cloud-based integration solutions within Azure environments.
- Develop and troubleshoot XSLT, XQuery, XPath, XML/XSD, and data transformation solutions.
- Analyze business requirements and translate them into detailed functional and technical specifications.
- Perform system analysis, requirements gathering, use-case development, and solution prototyping.
- Support highly available, mission-critical applications and enterprise modernization initiatives.
- Develop technical documentation, architecture artifacts, and implementation specifications.




- Collaborate with technical teams, business stakeholders, architects, and senior management.
- Support system evaluation, performance analysis, capacity planning, migration, and implementation activities.

Required Qualifications

- 10+ years of experience designing, developing, implementing, and maintaining large complex enterprise or COTS CRM systems.
- 10+ years of J2EE integration experience with enterprise systems.
- Strong understanding of J2EE architecture and enterprise integration patterns.
- Hands-on experience with n-tier web applications, Unix, Shell Scripting, Ant, JavaScript, XML/XSD, XSL, and HTML5.
- Robust experience with REST Web Services, JPA, Hibernate, SQL, and PL/SQL.
- Experience with Spring Framework and Spring Integration.
- Hands-on experience with IBM App Connect Enterprise (ACE), MuleSoft, or equivalent ESB technologies.
- Experience with Oracle and SQL Server databases.
- Experience with source code management tools such as Subversion or CVS.
- Strong experience with XSLT/XQuery/XPath and XML transformation.
- Experience using Oxygen XSLT IDE or equivalent XSLT development tools.

Preferred Technical Skills

- J2EE / JEE
- REST APIs
- Spring / Spring Integration
- JPA / Hibernate
- Oracle / SQL Server
- SQL / PL/SQL
- IBM App Connect Enterprise (ACE)
- MuleSoft
- JMS / AMQP
- Enterprise Service Bus (ESB)
- XML / XSD
- XSLT / XQuery / XPath
- JavaScript
- HTML5
- Unix / Shell Scripting
- Ant
- Azure Integration Services
- UML
- ETL
- Subversion / CVS

Accelyst is an Equal Opportunity Employer. We value diversity and are committed to creating an inclusive workplace for all employees.

📌 SeniorEE / Enterprise Integration Developer (Toronto)
🏢 Accelyst
📍 Toronto