C2C Requirements’ Post

As a Senior Java Full Stack Developer, I’ve always been fascinated by the intersection of legacy systems and modern cloud-native applications. One of the most challenging yet rewarding areas I’ve worked on is mainframe modernization. Despite being decades old, mainframes are still the backbone of many critical enterprise applications, especially in banking, insurance, and telecom. However, as businesses aim for agility and scalability, integrating these rock-solid systems with modern Java microservices is no longer optional it’s necessary. Here’s why this intersection is so exciting: 🔹 Java Integration with Mainframes: Using APIs, JMS (Java Messaging Service), and modern protocols, we can extend mainframe functionalities to modern applications. Java allows us to create microservices that talk to CICS transactions, or extract data from DB2 without disturbing legacy operations. 🔹 Real-Time Data Access: By creating RESTful services over mainframe datasets, companies can access real-time data for applications running on the cloud, improving decision-making and customer experience. 🔹 Cloud-Native Meets Legacy: Integrating Kubernetes and Spring Boot with mainframe applications opens up possibilities for hybrid architectures, legacy stability combined with modern scalability. 🔹 Security and Performance: Mainframes are renowned for their security and transactional efficiency. With Java’s non-blocking I/O and microservices architecture, we can ensure that modern apps not only scale efficiently but also maintain the reliability of mainframes. 🔹 Incremental Modernization: Full replacement isn’t always feasible, but gradual refactoring—such as moving some workloads to the cloud while keeping mission-critical applications on mainframes offers the best of both worlds. hashtag #Java hashtag #MainframeModernization hashtag #CloudIntegration hashtag #FullStackDeveloper hashtag #Microservices hashtag #HybridCloud hashtag #EnterpriseDevelopment

As a Senior Java Full Stack Developer, I’ve always been fascinated by the intersection of legacy systems and modern cloud-native applications. One of the most challenging yet rewarding areas I’ve worked on is mainframe modernization. Despite being decades old, mainframes are still the backbone of many critical enterprise applications, especially in banking, insurance, and telecom. However, as businesses aim for agility and scalability, integrating these rock-solid systems with modern Java microservices is no longer optional it’s necessary. Here’s why this intersection is so exciting: 🔹 Java Integration with Mainframes: Using APIs, JMS (Java Messaging Service), and modern protocols, we can extend mainframe functionalities to modern applications. Java allows us to create microservices that talk to CICS transactions, or extract data from DB2 without disturbing legacy operations. 🔹 Real-Time Data Access: By creating RESTful services over mainframe datasets, companies can access real-time data for applications running on the cloud, improving decision-making and customer experience. 🔹 Cloud-Native Meets Legacy: Integrating Kubernetes and Spring Boot with mainframe applications opens up possibilities for hybrid architectures, legacy stability combined with modern scalability. 🔹 Security and Performance: Mainframes are renowned for their security and transactional efficiency. With Java’s non-blocking I/O and microservices architecture, we can ensure that modern apps not only scale efficiently but also maintain the reliability of mainframes. 🔹 Incremental Modernization: Full replacement isn’t always feasible, but gradual refactoring—such as moving some workloads to the cloud while keeping mission-critical applications on mainframes offers the best of both worlds. #Java #MainframeModernization #CloudIntegration #FullStackDeveloper #Microservices #HybridCloud #EnterpriseDevelopment

2024(2020[more]) - What is it you are looking for? 🔙🔛🔝 📢: NEW CONTRACT OPPORTUNITIES I have partnered up with one of South Africa's leading IT consulting houses - in search of top tier, talented IT resources who want MORE in their respective roles.   ABOUT US: Over two decades of experience in the IT & Software Development industry, merged with a fervour for technology with a sincere interest in our customers' business & success, serving a diverse clientele, spanning from large scale enterprises to SME businesses.   You will work in the financial services industry - where you have the opportunity to enhance your knowledge, skills & expand your respective tech stack on the various projects     Vacancies:   📌Solution Architect (Engineering Lead) 🔹In collaboration with relevant Domain Architects, create Architectures for specific projects, including articulating the architectural vision, conceptualizing & experimenting with alternative architectural approaches, creating models & component & interface specification documents, & validating the architecture against requirements & assumptions. Focus on finding solutions to meet business needs. Establish the technical direction of strategic projects, defining the architectural strategies necessary to fulfil the stated solution vision.  Ensure adherence to approved architectural designs throughout the project life cycle. Help define the roadmap for transformational projects. 🔹Development languages (e.g. Java, COBOL); Databases (e.g. DB2, Oracle, SQL); Application Servers (e.g. IBM WebSphere)   📌Senior Test Automation Engineer 🔹Your responsibility will be to ensure that a product is completely stable & this needs to be accomplished by working closely with QA Lead & team, Development & Portfolio teams through early design of test plan, test cases, automation & reporting results to the concerned team for the assigned projects/products. 🔹Selenium automation (with Core Java) using standard frameworks (Hybrid, Keyword, TestNG); API Testing (REST/ SOAP) using tools like Postman, JMeter, & SOAPUI; OOPs concepts & Continuous Integration tools (advantageous) 📌Data Engineer 🔹You will be responsible for integrating data, applying frameworks, & ensuring governance to deliver high-quality data for BI & advanced analytics teams. The Data Engineer skill is required to enable the data lifecycle within EDS, namely the ability to integrate data between the source system (golden/trusted) & the target database (LOB), hence providing good quality data by applying the necessary framework/s & governance to whoever may require it. 🔹Ab Initio development experience (on-prem and cloud) is essential; Exposure to UNIX and SQL (DB2, MS SQL and Netezza); Oracle & Azure Cloud   📌Product Owner 🔹You need to have a proven track record of having worked at a senior level within the wealth/financial investment sector. 🔹Savings & Investment experience is a must & highly advantageous. Get in touch with me ASAP!!

Dear LinkedIn connections, Senior Level Java Architect and location is Columbus, Ohio 43229 (3 day’s Onsite) and it is Onsite/Hybrid. If anyone is available kindly share your resume to [email protected] Best Regards Mike We have a contract opportunity for a Senior Level Java Architect (10 years absolute minimum experience - less experience will be reject immediately), Columbus, Ohio.   Must have State Government experience with Department of Taxation, Finance or Revenue.   Hybrid Onsite/Remote, Must reside local.   At first, the contractor will need to be onsite each day while equipment and access are being set up, and to get them up to speed. After that they will need to come onsite as needed. It is common for consultants to be on site Tues/Wed/Thurs.   Duration: long term Location: Columbus, Ohio (Onsite Day 1) Hydrid. 3 days Onsite / 2 days Remote with manager's permission.   Interview: Skype / Phone   STARS Architect/Consultant   ODT wishes to enhance an existing application that facilitates the Administration of Business Taxes (generally known as STARS.)   The host system is Oracle based (implemented with PSRM) using a front-end system hosted by the Ohio Business Gateway (Gateway) commonly referred to as WebUI.   Uniquely qualified candidates will have actually participated in the Ohio STARS project.   Other tasks/deliverables may include any/all of the following: • Potentially, provide Production Support for various eCommerce applications as needed. • Potentially, various projects involving infrastructure upgrades (aka technical debt.) The particular scope of work for this consultant would involve changes to applications in response to the app requirements as they are flushed out in the tech debt discovery process. • Migration of other eCommerce applications to upgrade platform (e.g. WAS 9, RAD 9, JAVA 1.8). Also, potentially, enhance eCommerce applications as needed, and/or migrate the backend to a platform other than Mainframe DB2. Work in this arena is related to projects known as WAS Upgrade, Mainframe Replacement, and other technical debt projects as they are initiated.     Requirements: • 10 years of experience with IDE: RAD 7.5 and above or Eclipse • 10 years of Java: JEE 5 and above, Java EE Batch Architecture, Spring Framework, Java EE Design Patterns • 10 years of Spring Framework: MVC model and Batch architecture • 10 years of Messaging: Asynchronous Messaging, JMS/MQ • 10 years of Web Framework: JSF 2.0 Framework • 10 years of Persistence: JPA/Java Persistence API 2.0, EJB 3.0 • 10 years of Web Services: JAX-WS Web Services, XML, JAXB • 10 years of Other: XPath, UML, Object Modeling, Batch Scheduler, Performance tuning of Web Services/SQL and Application code. • 10 years of experience clarifying systems and programs intent, identify problems, suggest changes, and determine any system changes • Extensive experience with Agile/Scrum based development approaches.    

👋 Greetings, Tech Enthusiasts! 🌟 🌟 Welcome to the World of Enterprise Development! 🚀 🚀 Java 2 Enterprise Edition (J2EE) is a powerhouse framework for developing and deploying robust, scalable, and secure enterprise-level applications. It offers a comprehensive suite of APIs, design patterns, and best practices empowering developers to craft intricate business solutions adaptable to diverse platforms and hardware configurations. 🔑 Key Components: 🔗 Java Naming and Directory Interface (JNDI) - Standardized access to naming and directory services, facilitating component discovery and interaction. 🔌 Java Database Connectivity (JDBC) - A standardized API for seamless interaction between Java applications and databases. 💌 Java Messaging Service (JMS) - Enables asynchronous communication between components for scalability and reliability. ⚖️ Java Transaction API (JTA) - Manages distributed transactions, ensuring data integrity across resources. 💼 Java Connector Architecture (JCA) - Integrates J2EE applications with existing enterprise systems for interoperability. 🔍 Exploring Components: 🔍 JNDI: Provides a standardized approach to accessing and manipulating naming and directory services, enhancing application portability and security. 💾 JDBC: Abstracts complexities of database interaction, enabling developers to focus on business logic. 📬 JMS: Facilitates asynchronous communication, enhancing scalability, reliability, and flexibility. 🛡️ JTA: Crucial for managing distributed transactions, preserving data integrity and consistency. 🔗 JCA: Bridges J2EE applications with legacy systems, ensuring seamless interoperability. 📈 Key Takeaways: ✅ Utilize standardized APIs and design patterns for portability, maintainability, and interoperability. 🧩 Design applications with loosely coupled components and modular architecture for scalability and flexibility. 📨 Implement asynchronous messaging patterns like JMS for improved scalability and reliability. 🔒 Employ robust transaction management with JTA to guarantee data consistency and business process integrity. 🛠️ Harness the Power of J2EE for Unmatched Enterprise Solutions! Let's innovate together and propel your business to new heights. J2EE empowers developers to build enterprise solutions that stand the test of time. 💼 Ready to transform your enterprise applications? Let's connect and pave the path to success! 🚀 #J2EE #EnterpriseDevelopment #JavaDevelopment #EnterpriseSoftware #SoftwareEngineering #BackendDevelopment #DatabaseIntegration #TransactionManagement #JavaProgramming #TechInnovation #ApplicationDevelopment #BusinessSolutions #SoftwareArchitecture #ITInfrastructure #DigitalTransformation

Hello Greetings from [email protected] Role : API /Software Engineer / Developer (Zenith and PayAudit /GP2 Experiences) Location: Austin, TX - Jersey City, NJ and Chicago, IL (Day 1 Onsite) #Job Description:-         Responsible for merging Zenith Audit and PayAudit services into one, ensuring full feature functionality from both services. Develops asynchronous and synchronous consumption mechanisms to support different use cases. Builds migration tools to facilitate the transition from the existing Audit and PayAudit services to the converged solution. Conducts development, unit testing, and integration testing to ensure the quality and functionality of the converged service. Supports the onboarding of non-GP2 services that currently use PayAudit or Audit. Collaborates with stakeholders and other team members to ensure code completeness and successful deployment to production. Responsible for building the multi-region, highly available, consistent component for storing Payments Transaction state through the payment flow. Implements the design provided and ensures the system meets characteristics such as multi-region availability, high availability, and consistency. Develops the code logic, database schema, and APIs required for storing and managing transaction state. Conducts development, unit testing, and integration testing to ensure the quality and functionality of the transaction journal component. Design and develop Kafka-based event-driven architectures to support real-time data processing and streaming applications. Implement Kafka producers and consumers using Java programming language. Develop custom serializers and deserializers for handling JSON data formats in Kafka messages. Integrate Kafka with API Gateway services to enable secure and efficient communication between microservices and external clients. Design and implement RESTful APIs using Java and Spring boot and photon Framework. Collaborate with cross-functional teams to understand requirements and design scalable solutions that meet business needs. Optimize Kafka configurations and performance tuning to ensure high throughput, low latency, and fault tolerance. Implement monitoring, logging, and alerting solutions for Kafka clusters to ensure system reliability and availability. Troubleshoot and debug issues related to Kafka, Java, JSON, and API Gateway components. Document design decisions, architecture diagrams, and technical specifications. Cassandra DB is a must to have Please share the profiles to [email protected]

***Hiring*** Know anyone who might be interested? Role : Software Developer - Senior Location : Toronto, Ontario, Canada Work Model : Hybrid Job Type : Contract Job Description:- At least 10 years of hands-on experience with software development REST API design and development, including experience with API documentation and testing Integration patterns and best practices, including experience designing and building integration solutions using Spring Integration SQL and working with relational databases, such as SQL Server, PostgreSQL, or Oracle, and non-structured databases such as MongoDB Experience with the following: Enterprise integration technologies, such as JMS, AMQP, or REST, and an understanding of how to use them in a Spring Integration context Data transformation techniques, such as mapping and normalization, and experience using them in a Spring Integration context Containerized environments such as Azure, Docker and Kubernetes Resumes Evaluation/Criteria: Criteria 1: Technical Design - 35 Points Strong expertise in Java and the Java development ecosystem, including experience with Spring Boot. In-depth knowledge of microservice architecture and experience building scalable, highly available systems. Extensive experience with REST API design and development, including experience with API documentation and testing. Practical knowledge in applying various design patterns and standards to the technical design and development. Criteria 2: Integration Skills - 35 Points Knowledge of data transformation techniques, such as mapping and normalization, and experience using them in a Spring Integration context. Experience with message-oriented middleware and enterprise service buses, such as Azure Service Bus. Experience on Event Driven architecture, experience on Azure Event Hub, etc.  Strong skills in SQL and experience working with relational databases, such as SQL Server, or Oracle. In-depth knowledge of integration patterns and best practices, including experience designing and building integration solutions using IBM App Connect Enterprise (ACE) or IBM Integration Bus ( IIB ) or IBM message broker or similar product Criteria 3: Technical Framework - 20 Points In-depth knowledge of microservice architecture and experience building scalable, highly available systems. Must have prior experience in working with containerized environments such as Azure, OpenShift, Docker, Kubernetes, Microservices, etc. Criteria 4: Security - 10 Points Experience with Security and Web Services Security standards and frameworks. Must have extensive working experience in OAuth, OpenID, SAML 2.0, etc Understanding of security best practices and demonstrated experience in implementing authentication, authorization, and encryption. Understanding of common web security practices and vulnerabilities. Knowledge of how to secure applications against common If you're interested kindly share your resume to [email protected]

#c2c #webmethods #integration #java #hibernate #orm #california #sunnyvale Software AG WebMethods Integration Architect 10 Years Sunnyvale, CA (Contract)   Role and Responsibilities: Write applications in Java using Object-Oriented Design Principles ? Create Java Spring Boot REST Services ? Use Java Streams API to work with real-time data ? Create a Java Thread Executor Pool to read & write from a Thread-safe queue ? Use Java Lambdas for use in Collections ? Create Distributed Cloud Configuration with Spring Cloud ? Create Circuit Breakers with Spring Cloud ? Create a Database Integration via Hibernate or Spring Data ? Optimize business logic & SQL queries to enhance performance by 50 % ? Setup Kafka to support 10mm messages/hr throughput on 2KB payloads ? Deploy a Kafka Multi-AZ Cluster on AWS ? Build Highly Available Services (Multi-AZ & Multi-Region) ? Build Algorithms to Optimize Execution times and reduce end-to-end latency ? Use and tweak Terraform Scripts to deploy Kubernetes Clusters with EKS ? Navigate & debug Java Apps on a Linux EC2 InstanceTechnologies used: ? Java 8 ? REST-based Microservices ? Hibernate ORM ? Relational Databases ? AWS ? Kafka ? Linux / Unix Warm Regards Vineet Sharma Email: [email protected]