Job Details: Remote Full-time Experienced RQ09317 - Sr. Software Developer 87 Sir William Hearst Ave., Toronto, Ontario M3M 0B4 Hybrid (work 3 days onsite and 2 days remote) Contract (9 months) 4 vacancies · Proven experience in design and development of mainframe applications and client/server applications · Experience in using JCL, TSO/ISPF, BTS, PLI, COBOL, RPG3/4, SQL, PL/SQL, stored procedure, REXX, CLIST, IMS DB/DC, DB2 and IMS Connect · Experience with all stages of automated system implementation in large complex high-volume Client/Server systems, with online Mainframe Transactions · Experience with relational and hierarchical database with high volume of data · Experience in data extraction, data analysis, data quality and data masking for mainframe IMS and DB2 data · Experience in structured methodologies for the development, design, implementation, and maintenance of applications · Experience with software development methodologies, including Agile methodology · Experience with IBM 3270SNA communications and Communications Manager · Experience with relational and hierarchical database technologies · Experience in the use of object-oriented and/or third-generation language development tools · Experience in the use of information retrieval using query languages · Experience with the Application Lifecycle Management (ALM) Tool · Experience working in accordance with policies and procedures of Ontario Public Service · Experience working in accordance with policies and procedures of Ontario Public Service · Excellent analytical, problem-solving and decision-making skills, verbal and written communication skills, interpersonal and negotiation skills · Ability to work independently and with good quality on concurrent multiple projects Must-Have's: Experience with development of efficient data access layers using Spring Data JPA, with custom JPQL queries. Experience with JSON serialization, Base64 encoding, and secure data handling Proven ability to leverage Azure Durable Functions for managing complex business processes, including function chaining, fan-out/fan-in patterns. Extensive experience in Java, Spring Boot, and RESTful API design. Extensive experience with containerized microservices (Docker, Kubernetes, AKS). Collaborate on CI/CD pipelines (Azure DevOps) to automate container builds and deployments on Azure Kubernetes Service (AKS) Develop and deploy Spring Boot microservices that process orders, manage payments, and interface with external systems. Microservices #Information Technology jobs