Raghavendra's profile page

Projects

Work experience across organizations - Financial services, Insurance, Health-care and Manufacturing sectors

Work location: Offshore (India) - , Onsite (outside India) -

Oil to chemicals platform digitization

Define platform components across planning & optimization, supply-chain, chartering & optimization businesses
Design underlying platform architecture to support angular web components integrated with node-JS backend services
Define platform services exposed via WSO2 API manager, angular component architecture (MVC) flows
RBAC authentication & authorization design, integrated with camunda based workflow solution
Technology stack - Node JS backend micro-services, Angular UI (14), WSO2 API manager, Azure DWH, Kubernetes platform, Jenkins, Github, Helm charts, MS Power BI reporting tool
Platform Solution Architect (Techno-functional) 35 10mi 1 month, active

Inventory digitization and analytics

Define solution architecture for API & Power-BI analytics reports
Architect micro-services related to inventory digitization, from L2 data warehouse (DWH) tables exposed via Azure API manager
Define API development standards, solution Graph QL based REST APIs
Configure IaaC pipelines applying helm charts, deployed via Spinnaker pipelines onto Google cloud platform
Technology stack - Springboot, Google BigQuery DWH, Kubernetes platform, Jenkins, Spinnaker, Github, Helm charts, Azure API manager, MS Power BI reporting tool
API Solution Architect 15 2mi 7 months

HR solutions and Workforce management on GCP

Green field cloud-native services developed using spring-boot deployed on Kubernetes cluster
Applied Camunda open framework
Integrated on-premise IAM for authentication and authorization
Developed workflow-based multi-tenant onboarding and product management platform
Technology stack - Springboot, Camunda, Mongo DB, MySQL DB, Bitbucket and Jenkins, Sonarqube and Cobertura, Apache Kafka, Keeper vault, Artifactory, Kubernetes managed on GCP
Solution Architect 20 2mi 8 months Delivery amber to green, Pipeline conversion post initial GCP deployment

Manage group-health insurances, cloud migration

Legacy migration project, re-architect platform applied micro-services design principles
Design an open, event-driven, serverless platform Mercury, served as the base
Built 150+ micro-services extending lambda interfaces exposed by the platform over apache Kafka, applying eventually consistent design
Fine-tune application performance across UI, API gateway and backend-services layers; applied in-memory and redis cache implementation to optimize performance
In-memory cache with session affinity (sticky-session) designed to optimize performance without impacting user experience
Implemented service discovery, routing on the base platform for better maintainability; Segmentation and grouping events for large object payload
Migrated legacy stored procedures to micro-services; fine-tune complex SQL queries for performance; Applied eventually consistent design and distributed architecture for better performance
Earlier created proof-of-technology solutions for the same client - 1. Single page web application to create smart questionnaire (rules-driven) to capture patient health status; 2. Re-factor backend legacy services to capture and store patient details, later synchronized with master database
Technology stack - Springboot, Google Web Toolkit, Apache Kafka, Cloudant NoSQL DB, Github and Jenkins, Sonarqube and Cobertura, Redis, Elastic search, Vault, Artifactory, Managed Kubernetes cluster on IBM cloud
Solution Architect 200 10mi 36 months Delivery Excellence Award, Best Managed Project, Platform Innovation

Trend analysis from disparate cloud data sources

Applied Text analytics and machine learning services to data sourced from disparate data sources - Pinterest, Instagram, Google trends and Twitter
Trend analytics - derive trending keywords from the data analyzed, compare trend variation against previously sourced data (RSS feeds)
Display trending topics from analyzed trend, in the order of best searched keywords
Map trending topics with retailers’ product hierarchy; Design related service interfaces
In-memory cache with session affinity (sticky-session) designed to optimize performance without impacting user experience
Implemented service discovery, routing on the base platform for better maintainability; Segmentation and grouping events for large object payload
Migrated legacy stored procedures to micro-services; fine-tune complex SQL queries for performance; Applied eventually consistent design and distributed architecture for better performance
Technology stack - Springboot, Google Web Toolkit, Apache Kafka, Cloudant NoSQL DB, Github and Jenkins, Sonarqube and Cobertura, Redis, Elastic search, Vault, Artifactory, Kubernetes managed on IBM cloud
Scrum master 8 internal project 3 months Idea Innovation, Patented

Agri-business use case, IoT edge-platform integration with cloud

Idea was an automated water flow regulation to irrigate crops on large farm lands; Sensors installed at the edge network feed data to Raspberry PI over the bluetooth mesh
Node-red flows – pull requests from the sensors connected to Arduino board via Raspberry Pi gateway; Configure Arduino flows to read the sensor values for temperature, pressure, soil moisture and water flow rate
Integrate APIs for access from iOS mobile app, tested for iPad and iPhones.
MvP gained acceptance from Agri-business
Technology stack - Node, Node-red package, SWIFT, Mongo DB, IoT foundation platform on cloud, Raspberry Pi, Arduino board, temperature, moisture and flow sensors
Scrum master 8 internal project 3 months Idea Innovation

Client reference data management system on cloud

Created Cloud-native Microservices based architecture for customer onboarding and KYC solution, using open source tools, to manage client reference data
Model business process flows, apply design patterns related to collect documents, scrape and verify documents, complete KYC processing for new providers; Platform used to connect providers and consumers, manage their reference data
Document privacy, security and confidentiality being one of main concerns, securing data-at-rest and in-transit with relevant authentication and access controls was the primary concern
An added concern was use of open source technology stack and associated privacy concerns; addressed with the choice of IAM, separation of concerns, SAST and DAST tools, runtime monitoring to detect and protect from web attacks (MITM, SQL Injection, etc.)
100+ micro-services deployed to production inclusive of onboarding, registration, KYC, document scraping and validation, business rules services, workflow services, payments, etc.). Distributed architecture across AZs for HA, automated backup with hot-cold DR setup.
Technology stack - JBoss, Fuse ESB, jBPM, Drools, Openshift PaaS, Alfresco ECM, Mongo DB
Technology Architect 80 10mi 36 months Delivery Excellence Award

Agent recruitment process automation SOA-BPM

Automate recruitment, contracting, examination and registration process for an agent
Define technology architecture standards, development guidelines and implementation standards; Established standards and guidelines for business process development using IBM BPM software
End-to-end technology architecture definition for the business processes, identify required supporting business rules, data models and external system interfaces
Design patterns applied - parallel split/merge, used scoped variables for performance, define transaction boundaries to improve performance of long-running business processes
Technology stack - IBM BPM, IBM DB2, Lombardi Process Designer, IBM MQ, WebSphere Application Server, Apache Tomcat web server, 3-DNS switch, load balancer
Technology Architect 40 3mi 24 months

Mortage legacy modernization and ESB integration

Modernization of legacy mortgage and underwriting systems, integrate document management system (FileNet)
Applied Integration Patterns (publish-subscribe, distributed hub-spoke); Define shared services platform, governance models for service versioning and deployment
Ensure adherence to security, high-availability, performance and quality (number of defects at each stage gateway).
Service modeling, Design and UML using RSA v7.5 with applied integration patterns; Service semantics (composite and atomic business services, external partner integration)
Technology stack - IBM Integration Bus (ESB), WebSphere Application Server, Apache Tomcat web server, IBM MQ
Technology Architect 20 3mi 24 months

SOA-ESB payments processing, clearing and reconciliation

Analyze system requirements, migration analysis and migration strategy definition to IBM ESB solution; Design and develop 80+ interfaces, message transformation - IFX, SOAP, SWIFT and custom data formats
Define roadmap for performance optimization across service interfaces (over 80+ interfaces), integrated with various consumer and provider applications over z/OS, AIX, Windows and HP-UX
Analyze performance bottlenecks, identify design patterns for performance optimization
Document architecture and system requirements considering clustering and load balancing across Enterprise service bus (ESB) and MQ servers. Contingency server instances were deployed across US and UK
Define event-publish framework, categorize message events, transaction events, status events – capture transaction status and related information over web UI; Re-engineered data access framework to use java cache (hash-map); Standardized service-design lifecycle, versioning and governance processes across various tracks part of the country expansion initiative.
Technology stack - IBM Integration Bus (ESB), DataPower XI50 API Gateway, IBM MQ
Technology Lead 40 6mi 48 months Delivery Excellence Award, Best Managed Project Award

Microsoft BizTalk migration SOA-ESB

Analyze system requirements and design, define migration strategy from MiNT message broker (Sungard) onto Microsoft BizTalk ESB
Establish connectivity to SWIFT network via SWIFT Alliance access (SAA) and SWIFT Alliance Gateway (SAG)
Create and maintain routing rules on SAA, configure and maintain MQ interfaces b/w SAA and MiNT message broker
Computed performance baseline for existing broker on MiNT, average load, peak load, throughput and transaction volumes. Performance baseline served as an input for post-migration analysis to determine the percentage improvement
Technology stack - Microsoft BizTalk, IBM MQ, MiNT Message Broker, MS SQLServer DB
Technology Analyst 10 3mi 24 months

SOA-BPM based process automation solution

Automated approval workflow solution developed applying J2EE, MVC and workflow patterns
Demonstrated use of RMI across WAS and MQWF servers, persist workflow state, use of stateful sessions and persistent beans in the architecture
Configuration and deployment of the workflows on the development, testing and staging servers
Computed performance baseline for existing broker on MiNT, average load, peak load, throughput and transaction volumes. Performance baseline served as an input for post-migration analysis to determine the percentage improvement
Technology stack - IBM MQ, IBM Workflow, WebSphere Application Server, Apache Tomcat web server
Developer 12 1.5mi 12 months

SOA-ESB Integration solution

Integration with Product Data Manager (PDM), SAP and CICS using adapters and over IBM MQ
Support Performance testing and UAT of the pilot solution
Technology stack - IBM ESB, IBM MQ, IBM DB2
Developer 8 1.5mi 12 months

Architecture assessments

Experience with architecture assessments, gap analysis and recommendations

Cloud-native assessment for a Mortgage solution

Define architecture considering multi-tenancy, document management integration and mortgage approval workflow automation
Key non-functional considerations: security (data-at-rest, data-in-transit, vulnerabilities, etc.), multi-tenancy (shared tenant model v/s single-tenant model), data (storage, backups, encryption, schema access control, etc.)
Product market analysis, comparative feature analysis, recommend solution alternatives
Developed workflow-based multi-tenant onboarding and product management platform
Technology stack - Dash DB, Cloudant DB (NoSQL), S3 Object storage, Citrix Netscaler load balancer, ELK stack for centralized logging, Alfresco BPM
Solution Architect 6 4 weeks

Supply-chain platform on cloud, service offering

Review customer architecture artifacts, enterprise data model, migration approach and conduct gap analysis
Review architecture for - security (data-at-rest, data-in-transit, vulnerability assessments, threat modeling, AAA, etc.), multi-tenancy and data (storage, backups, encryption, schema access control, etc.)
Identify gaps, comparative feature analysis, highlight merit and de-merits, recommend alternatives
Technology stack - OKTA IAM, Dash DB, Hadoop (Big Data storage), S3 Object storage, Slack (collaboration), Angular JS for visualization, IBM Datastage on-premise, IBM BigIntegrate ETL, IBM BPM, IBM Rules Engine
Solution Architect 6 8 weeks Proposal for enhancements, application maintenance, governance and support followed the assessment exercise

Seamless experience – Car booking mobile app

Brainstorm ideas, define problem over the garage workshop in liaison with product owner and UX designer
Develop solutions following weekly sprint cycles, stand-up calls, regular reviews with the product owner
Troubleshoot problems, tactical and strategic solution alternatives
Technology stack - API gateway on Docker, React JS (hybird app), Mulesoft ESB integrated with on-premise SAP and ECM applications
Scrum master 8 2 weeks

Remote patient monitoring, alerts and analytics

Develop responsive UI based web application (used bootstrap and HTML5)
Define use cases – with registered patients for a clinical trial, monitor patient attributes remotely
Integrate with Fitbit cloud via O-Auth2, from the application, support remote patient monitoring
Analytics and reporting implemented on Watson analytics cloud platform; Alerts – SMS and e-mail alerts to the practitioner
Technology stack - Node, Node-red package, SWIFT, Mongo DB, IoT foundation platform on cloud, Raspberry Pi, Arduino board, temperature, moisture and flow sensors
Technology Lead 2 6 weeks Idea Innovation, showcase IoT device integration

Business process automation on-premise

Demonstrate use of Lombardi process portal for deployment; Use of in-built document store available with Lombardi
Use of coaches for UX screens, demonstrate integration with business process flows; Demonstrate use of BPM services on the cloud to maintain process state
Integrated with bootstrap for the UI; Responsive UI, applied MVC
Technology stack - IBM BPM, Lombardi BPM
Technology Lead 2 4 weeks

Fitment Analysis - process automation for Appointment Management

Fitment analysis of the existing workflow processes, assessments, re-engineering considerations
Design new workflow process models for appointment management & scheduling modules
Service modeling, service interface definition & design, define input & output data structures
Solution integration with TIBCO EMS, re-using customized MDB interface for EMS to JMS conversion
Technology stack - IBM BPM, IBM DB2, DXSI, TIBCO EMS
Technology Lead 12 3 months

Fitment Analysis - BPM process automation for Aircraft design approval process

Service modeling, service interface definition and design for the interfacing backend systems [SAP, PDM, Mainframes & external partner systems]
SOA Architecture definition covering functional & non-functional requirements, capacity requirements [hardware & software], project planning
Proof-of-concept BPM solution for automated design approval & DQN, with design modifications, versions propagated across provider applications integrated via the process management layer
Technology stack - IBM BPM, WebSphere Application Server, Apache Tomcat web server, IBM MQ
Technology Lead 6 2 months

Technology Area	Tools used
Cloud architecture	AWS, Microsoft Azure, Google cloud, IBM cloud
Open source projects applied	Mercury (Apache 2.0 license), Camunda (Apache 2.0 license), JBoss (Eclipse Public License - v 2.0)
ESB architecture	IBM IIB, Camel ESB, Microsoft BizTalk
SOA-BPM	IBM BPM, jBPM, Camunda BPM, Drools rules engine
Web and Application Servers	WebSphere App Server, Apache Tomcat web server, Node, JBoss
Programming languages	Springboot and Java, HTML5, Bootstrap, Javascript
Data formats	SOAP/HTTP (XML), HTTP/REST (JSON), SWIFT, IFX 1.4

Company Name	Designation and Duration
Accenture Solutions Private Limited	Technology Delivery Manager, 2015-current
Infosys Limited	Senior Technology Architect, 2001-2014

Key activities

Qualification

Patents