Skill Set

·         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

Technical Skills

• Develop and deploy Spring Boot microservices that process orders, manage payments, and interface external systems.
• Secure integration with external payment processors, notification systems, and client data services using Feign clients and JWT-based authentication.
• Implementation experience with distributed system patterns such as circuit breakers, retry logic, and rate limiting to ensure service resilience.
• Performance improvement and optimization using Redis caching and asynchronous processing techniques.
• Implement robust transaction management, ensuring data integrity across distributed services.
• Collaborate on CI/CD pipelines (Azure DevOps) to automate container builds and deployments on AKS.
• Drive observability by implementing structured logging and monitoring using Prometheus, Grafana, and Azure Monitor.
• Extensive experience in Java, Spring Boot, and RESTful API design.
• Extensive experience with containerized microservices (Docker, Kubernetes, AKS).
• Familiarity with service discovery, load balancing, and API Gateway integrations.
• Strong grasp of OAuth2, JWT, and secure communication in distributed environments.
• Experience with development of efficient data access layers using Spring Data JPA, with custom JPQL queries.
• Experience with service meshes (Istio), and policy-based routing.
• Experience designing and developing long-running business workflows.
• Experience with developing trigger & activity functions for atomic business operations and integrate them into orchestration workflows with retry and compensation logic.
• Implement compensation logic to roll back failed steps, ensuring transaction integrity.
• Experience with developing queries to monitor orchestration states, failures, and performance metrics.
• Experience with implementation of alerting mechanisms for failed orchestrations or SLA breaches.
• Ensure idempotency and deterministic behavior in all orchestration steps to maintain workflow reliability on replays.
• In-depth understanding of Saga patterns, distributed transaction management, and fault tolerance.
• Proficiency in handling asynchronous workflows, timers, and external event correlation.
• Experience with JSON serialization, Base64 encoding, and secure data handling.
• Experience in writing custom application monitoring queries to wrangle data from multiple sources.

·Proven ability to leverage Azure Durable Functions for managing complex business processes, including function chaining, fan-out/fan-in patterns.

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Problem Solving and Communication

·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.

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