Soumith Stack/Middleware Developer – Work for Citi Bank – 11+ years Exp Current Location: Tampa, FL

PROFESSIONAL SUMMARY:

• 11+ Years of extensive experience in Leading the Software Development Life Cycle, Web Application Design, Development, Maintenance, Programming, Testing, End-User Support of java-based web applications and client-server business applications using multiple technologies.
• 10 Years of experience with JAVA/J2EE, Python, Shell Scripting, Angular, Spring, Oracle DBs.
• Led the design and development of AI-driven applications using LLMs (OpenAI, Llama Index) to enhance transaction monitoring and financial crime risk assessment in compliance with AML and KYC regulations.
• Designed and managed API gateways using Kong, including route definitions, plugin configurations, and security policies for enterprise applications
• Developed custom Kong plugins to enable advanced features (rate limiting, logging, request transformation), reducing API response latency by 30%.
• Experience in various message brokers like RabbitMQ, AKKA Streams and Apache Kafka.
• Experience in User Interface development using Angular, HTML, CSS, Java Scripts, Typescript, jQuery.
• Experience in the various IAM modules such as Identity Management, Identity Governance, Access Management and Life Cycle Management
• Hands-on Experience in building Single Page Application (SPA) using Angular 13, also creating responsive web-pages and designing cross browser compatibility for mainstream browsers and portable devices by Bootstrap, Vertx.
• Architected and managed production-grade Kubernetes clusters on AWS EKS and GCP GKE, ensuring high availability, scalability, and secure multi-tenant workloads.
• Implemented Micro services architecture to make applications smaller and independent.
• Extensive experience in development and implementation of ORM framework Hibernate/ Hibernate with Spring Data Access.
• Successfully customized Jscape workflows to meet specific organizational requirements, ensuring seamless integration with existing systems and applications.
• Conducted in-depth analysis and optimization of file transfer protocols, improving data transfer efficiency and security for the organization.
• Implemented advanced security measures within Jscape, such as encryption standards and user authentication mechanisms, ensuring compliance with industry regulations and safeguarding sensitive data.
• Experience with Incident and Change Management, Utilized ServiceNow to streamline the ITIL-based incident and change management process, ensuring timely resolution of user-reported issues and proper documentation of changes across the environment.
• Designed and deployed scalable cloud solutions on Microsoft Azure, improving application performance and availability.
• Provided 24/7 application support for business-critical enterprise applications, ensuring minimal downtime and quick resolution of incidents and service requests.
• Monitored, diagnosed, and resolved application-level issues across Windows/Linux-based servers, databases, and middleware platforms.
• Collaborated with development and infrastructure teams to analyze logs, debug errors, and implement long-term fixes, ensuring seamless user experience.
• Managed B2B/EDI integrations using OpenText BizManager and IBM Sterling File Gateway for secure, reliable, and compliant file transfers between partners and internal systems.
• Acted as a key liaison between support and engineering teams during production outages, following ITIL standards for incident and problem management.
• Managed day-to-day network operations, including configuration, monitoring, and troubleshooting of routers, switches, firewalls, and load balancers.
• Acted as the primary point of contact for troubleshooting and resolving issues related to Jscape, utilizing extensive product knowledge to address challenges promptly and effectively.
• Implemented centralized logging system for various teams in Citi using ELK Stack (Elastic Search, Logstash, Kibana), File beats.
• Analyzed and benchmarked internal applications built using object oriented perl and java 8.
• Good experience in using Maven, Gradle build scripts for the project build and deployment process.
• Created Docker images and handled multiple images primarily for middleware installations and domain configurations.
• Experience in writing unit test cases using Junit and Mockito frameworks and behavior driven development (BDD) using JBehave.
• Reviewing and functionally verifying code to assure it meets the necessary standards.
• Followed agile principles for continuous software development and involved in architectural design decisions.
• Mentored junior developers on Java, JavaScript, Web Application Development and OOA&D.
• Involved in client interactions for scoping, effort estimates, status reporting and ability to adapt to modern technologies, changing business requirements and correctly apply new tools to build applications.
• Excellent written and verbal communication skills, analytical, problem solving skills, strict attention to detail and ability to work independently, lead/work within a team.

TECHNICAL SKILLS:

PROFESSIONAL EXPERIENCE:

Client: Citi Bank                                                                                                                      JAN 2021 – PRESENT

Title: Senior Full-Stack Developer / Java Tech Lead                                                                                              

Location: Tampa, FL                                                                   

Responsibilities: 

• Develop, maintain and enhance Middleware APIs, Web tools, and other application interfaces that provide data access to both street and Citi internal financial instrument information.
• In charge of building a scalable micro service-based infrastructure capable of handling millions of requests per day using Cloud Platform.
• Built microservices and RESTful APIs with Java Spring Boot to operationalize AI/ML models, incorporating multithreading and JVM optimization for high-performance execution in real-time environments.
• Implemented JWT, OAuth2, and API key authentication within Kong, strengthening API security and achieving a 40% reduction in unauthorized access attempts.
• Automated data ingestion pipelines by orchestrating Java services with Snowflake tasks, streams, and procedures, ensuring near real-time data availability.
• Maintained real time messaging architecture in Core JAVA to publish 6 million daily financial products to 50 front office client’s applications. System is in production with a low latency rate (average publish rate 150 – 250/sec).
• Expertise in using messaging standards such as JMS and TIBCO Rendezvous/ TIBCO EMS for developing distributed applications
• Built python/shell scripts interfaces to receive intraday/eod feeds from various vendors (e.g , Bloomberg, Moody, Boardridge, DSB, Eurex and ASX exchange) and citi internal clients.
• Built FTP/SFTP framework (Jscape) which allows clients to upload/download data files.
• Built scalable single-page applications (SPAs) using Angular and deployed them on AWS S3 with CloudFront CDN, achieving fast global content delivery and reduced latency.
• Integrated Angular front-end with AWS backend services including API Gateway, Lambda, and DynamoDB for a fully serverless web application architecture.
• Implemented secure user authentication and authorization in Angular using AWS Cognito, enabling multi-factor authentication (MFA) and OAuth2 flows.
• Automated CI/CD pipelines using AWS CodePipeline and CodeBuild for Angular applications, ensuring faster delivery cycles and zero-downtime deployments.
• Monitored and optimized Angular application performance using AWS CloudWatch logs, custom metrics, and X-Ray tracing for frontend-backend request flow analysis.
• Developed scalable and high-performance REST APIs using Spring WebFlux with a reactive, non-blocking programming model, improving request throughput by 40%.
• Implemented reactive streams using Project Reactor (Mono/Flux) to handle asynchronous data flows and backpressure in real-time data applications.
• Led the front-end architecture design using React 18, TypeScript, and Redux Toolkit for enterprise-scale applications.
• Implemented global state management with Redux-Saga, Zustand, or Recoil, ensuring scalable state handling across modules.
• Configured and administered IBM Connect:Direct for high-volume, mission-critical data transfers, ensuring 24/7 uptime, error handling, and performance optimization.
• Implemented and maintained trading partner setups in IBM Connect:Enterprise, including protocol configuration (SFTP, AS2, FTP), certificate management, and routing rules.
• Developed dynamic and responsive web applications using React.js, Redux, and JavaScript ES6+.
• Wrote Perl scripts to automate the verification of the information inserted in the database via the web application
• Created and maintained scripts using shell and perl to simplify administration.
• Developed software utilities and dashboards to monitor various applications and systems, maintain 50+ wl servers, monitor cpu, memory and disk usages across different environments. 
• Deployed and configured middleware services on WebLogic 12.1.3. 
• Implemented and brought in a new infrastructure for a centralized logging system using ELK Stack.
• Worked on ElasticSearch Clustering and Load Balancing for multiple nodes, parsing various file types by beats.
• Supported VPNs, DNS, DHCP, and WAN/LAN infrastructure, ensuring secure and efficient connectivity across corporate locations.
• Support to Business Analysts on various issues regarding data quality or up-to-date product information.

Client: State of Tennessee                                                                                                    AUG 2020  – JAN  2021

Title: Senior Full-Stack Developer                                                                                    

Location: Nashville, TN.

Responsibilities: 

• Our team’s major roles are to develop middleware platforms and Api tools, Web tools that enable the State of Tennessee to provide a border view to Tennesseans on Health/Medicaid options & facilities.
• Performed advanced statistical and predictive analysis on large-scale datasets using SQL, Python, and AI algorithms to detect patterns, outliers, and risks within trade surveillance and CDD workflows.
• Collaborated with cross-functional teams to fine-tune LLMs and develop agent-based systems for intelligent data validation and retrieval-augmented generation (RAG), improving decision-making across financial crime systems
• Used HTML5, CSS3, AngularJS and NodeJS for content layout and presentation layer (UI) designing. Used JavaScript, jQuery for client-side validations and AJAX for reports display. 
•  Extensively used AWS (Amazon Web Services) for integration with Enterprise and web applications. 
• Implemented project structure based on spring MVC pattern using Spring boot. Used different types of Spring controllers depending on the business requirement. 
• Implementation of Spring security and LDAP integration. 
• Worked with microservices related frameworks Ribbon & Eureka for client-side load balancer and network discovery. 
• Optimized Snowflake queries within Java microservices to reduce response times and improve overall service performance.
• Leveraged Snowflake’s scalability with Java batch jobs for bulk data processing, supporting high-volume transactional systems.
• Integrated NoSQL (MongoDB) data with Java services and transformed it before loading into Snowflake for unified analytics.
• Developed and maintained technical documentation for Kong configurations, plugins, and operational guidelines to support cross-functional teams.
• Developed and customized WebSphere Commerce Server solutions, including catalog management, pricing, and order processing.
• Integrated third-party services and payment gateways into WebSphere Commerce to enhance transactional capabilities.
• Deployed and managed e-commerce applications on Azure, utilizing Azure App Services, Azure SQL, and Azure DevOps for CI/CD.
• Optimized application performance through caching, database tuning, and Azure monitoring tools, improving load times and scalability.
• Development of web modules and middleware components using AWS and Spring integration. 
• Implementation of security layer on top internal web applications using JAAS as a POC. 
• Created Spring Boot applications testing suite using Spring Junit plugin and Mockito framework. 
• Developed end to end application on spring boot framework (RestApi Application/Spring JPA using Crud repository).
• Built microservices using Spring WebFlux and integrated with reactive NoSQL databases like MongoDB and Cassandra for fully reactive pipelines.
• Designed functional and annotation-based reactive endpoints, enabling cleaner API routing and reducing latency under high load environments.
• Designed and implemented GitOps workflows using ArgoCD and Helm for automated deployment pipelines, enabling zero-downtime releases and full auditability.
• Led the migration of legacy applications to Kubernetes, containerizing workloads, optimizing resource allocation, and integrating persistent storage solutions with dynamic provisioning.
• Implemented advanced security controls including RBAC, PodSecurityPolicies (PSP/Opa/Gatekeeper), NetworkPolicies, and secret encryption using Vault and KMS integrations.
• Built end-to-end observability stack with Prometheus, Grafana, Loki, and OpenTelemetry, enabling proactive monitoring, logging, and distributed tracing for microservices.
• Implementation of HTTP Basic Authentication to restrict access by looking up users in plain text password and group files using Apache Mod Auth. 
• Created Auto deploy jobs using Jenkins and Maven. Developed Spring DAO templates to all type of CRUD operations
• Developed and maintained messaging solutions using TIBCO EMS, facilitating seamless integration between enterprise applications and reducing system downtime.
• Installed JBoss servers, configured domains for deploying applications.
• Experience with Reporting and Dashboards by Creating real-time dashboards and performance analytics reports to monitor key SLAs, ticket volumes, and team performance, enabling better decision-making and operational transparency. 
• Configured and deployed application on JBOSS 7.x server. 
• Developed all the Junit test cases for all the different layer implementations 
• Developed JUnit test cases for Unit Testing and functional testing for various modules and prepared Code. 
• Experience in implementing Elastic Path to provide the eCommerce functionalities.
• Used Log4j Logger and Debugger to capture the log that includes runtime exceptions
• Documented all technical procedures and RCA reports, and contributed to knowledge base articles to streamline future support efforts.
• Participated in on-call rotations, SLA tracking, and escalation processes, maintaining service continuity for both application and network environments.

Client:  Citi Bank                                                                                                                            OCT 2018 – AUG 2020

Title: Senior Full-Stack/MiddleWare Developer                                                                       

Location: Tampa, FL

Responsibilities: 

• Developed dynamic and responsive web applications using React.js, Redux, and JavaScript ES6+.
• Designed and implemented reusable React components using functional components, hooks, and context API to manage state and side effects.
• Managed Azure resources including Virtual Machines, App Services, Storage Accounts, and Azure SQL Databases.
• Implemented CI/CD pipelines using Azure DevOps to streamline build, test, and deployment processes.
• Designed application components using Java APIs such as Collections, Multithreading, exception Handling, Generics, Enumeration, and Java I/O to fulfill the implementation of business logic.
• Automated archival and clean-up process to backup vendor raw data.
• Worked on Weblogic web services for clients request setup for securities.
• Developed spring boot applications using RabbitMQ and AKKA Streams – Alpakka.
• Developed FILE APIs to retrieve data from outside vendors e.g. IDC, MARKIT, FINRA, Moodys and load them into security Master database.
• Workflow Automation designed and implemented custom workflows using ServiceNow Flow Designer to automate repetitive tasks such as onboarding requests, access provisioning, and approvals, significantly reducing manual effort and processing time.
• Used Service Catalog Management and Developed service catalog items with dynamic form fields, approval flows, and backend scripting to support internal IT service requests, enhancing the end-user experience and request tracking.
• Experience in Linux Administration Installation, Configuration, Tuning and Upgrades of Linux (RedHat and Oracle)
• Created perl & shell scripts for automated email to the team regarding the delay in upstream data files.
• Hands-on architect and developer of a comprehensive IAM system that addresses the challenges of a very complex development and production environment.
• Implemented to reprocess the failure messages in Kafka using offset id.
• Implemented Kafka producer and consumer applications on Kafka cluster setup with help of Zookeeper.
• Migrated all our existing applications from physical machines to cloud machines.
• Extensively used Maven and Gradle to build, deploy and test applications.
• Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer and AMIs, Auto scaling to design cost effective, fault tolerant and highly available systems.
• Utilized tools like SolarWinds, Nagios, Splunk, or Wireshark to proactively detect and resolve network bottlenecks and latency issues.

Client: Blue Shield of California                                                                                                    FEB 2018 – OCT 2018

Title: Senior Full-Stack Developer                                                                                    

Location: San Francisco, CA.

Responsibilities: 

• Used HTML5, CSS3, Angular 4, and NodeJS for content layout and presentation layer (UI) designing.
• Used JavaScript, jQuery for client-side validations and AJAX for reports display. 
• Implemented project structure based on spring MVC pattern using Spring boot. Used different type of Spring controllers depending on the business requirement. 
• Worked on usage metrics and also end to end events tracing for analysis purposes with React JS.
• Experience in using React JS components, Forms, Events, Keys, Router, plus Redux, Animations and Flux concept
• Responsible to create and Implement the TIBCO EMS architecture across enterprise.
• Created a model layer using Hibernate and extensively used its API to perform crud operation.
• Development of Service code using Apache Camel framework in JAVA/J2EE.
• Development of DAO layer using JDBC Template and Mongo Operations.
• Implemented REST web services using Jersey with the enabled OAUTH.
• Worked on the OAuth 2.0 for accessing the cloud storages like Box, one drive, Google Drive, Drop box.
• Developed RESTful Web Services to retrieve data from client side using Microservices architecture.
• Optimized message routing and performance by fine-tuning Active MQ broker settings, reducing processing time by 20% and enhancing message throughput.
• Developed J2SE technologies like Core Java collections, generics, exception handling, multi-threading, IO, JDBC.
• Performed migration and upgrade projects involving OpenText BizManager and IBM B2B tools, ensuring minimal downtime and seamless partner transition with zero data loss.
• Developed and monitored end-to-end file flows within Sterling File Gateway, including BPML processes, mailbox routing, and pre/post-processing logic to meet business SLA requirements.
• Development of web modules and middleware components using AWS and Spring integration.
• Migration of IAM system to new IAM system that is being used by the parent company. 
• Work with the project teams on implementing the defined business Roles within Identity Access Management (IAM) solution.
• Implementation of security layer on top internal web applications using JAAS as a POC. 
• Extensive knowledge in working with WebSphere Portal 8.5 (IBM Digital Experience) features such as DDC, Script Portlet etc.
• Developed and utilized J2EE services and JMS components for message communication in WebSphere application server.
• Defined a message store architecture necessary to support Drools rule engine input processing, scalability and recovery.
• Developed a comment function on the Tellurium website using Perl, JavaScript and MySQL, enabling the end-users to interact with each other.
• Developed integration modules for disparate clients using Apache Camel.
• Developed Camel routes using Scala DSL and developed custom message converters.
• Integrated configured Camel with ActiveMQ to use it as a bus.
• Created Spring Boot applications testing suite using Spring Junit plugin and Mockito framework. 
• Developed end-to-end application on spring boot framework (Rest Api Application/Spring JPA using Crud repository). 
• Used Spring Rest Template to use the exposed REST web services. 
• Had done Migration from WebSphere Portal Version 8.0 to 8.5.
• Implementation of HTTP Basic Authentication to restrict access by looking up users in plain text password and group files using Apache Mod Auth. 
• Created Auto deploy jobs using Jenkins and Maven. Developed Spring DAO templates to all type of CRUD operations
• Utilized React Router for implementing dynamic routing and navigation in single-page applications (SPA).
• Conducted unit testing and snapshot testing using Jest, React Testing Library, and Enzyme.
• Configured and managed EMS topics and queues, ensuring efficient message distribution across multiple systems in a highly available environment.
• Installed JBoss (Wild Fly) servers, configured domains for deploying applications. 
• Used Redux-Promise in application to retrieve data from Back-End and to also perform RESTFUL services
• Used a Microservice architecture with Spring Boot based services interacting through a combination of REST to build, test and deploy identity Microservices.
• Training the IT team on various modules of SAM, CDD and Actimize in general with regards to current system and upcoming SAM-UDM and CDD upgrades.
• Experienced in Agile Methodology, participated in Sprints and daily Scrums to deliver software tasks on-time and with excellent quality on basis with onsite and offshore teams. 

Client: Zurich Insurance                                                                                                   DEC  2016 – Jan 2018

Title:  Senior Java Developer                                                                               

Location: Schaumburg, IL.

Responsibilities:

• Developed Web services to allow communication between the applications using Rest and SOAP Web services.
• Designed and developed many PL/SQL batches using JAVA with Connectivity to Oracle for data maintenance and handling.
• Developed code for Responsive web design in TypeScript, Vertx using framework like Angular 2.0.
• Designed, Developed and analyzed the front-end and back-end using JSP, Servlets and spring.
• Initiated and executed continuous improvement projects, identifying opportunities to enhance the organization's file transfer capabilities, streamline processes, and optimize resource utilization.
• Ensured that Jscape configurations aligned with regulatory compliance standards, conducting regular audits to guarantee adherence to industry-specific regulations and data protection requirements.
• Collaborated and led a team of 5 engineers and also guided and mentor junior software engineers.
• Development, enhancement, modifications of messaging services for near real time notifications to downstream systems. Data can be communicated in and out via different protocols, e.g JMS, TIBCO RV, SFTP, HTTP RESTFUL, SOAP WSAPI.
• Integrated spring (Dependency Injection) among different layers of an application.
• Created Kafka topics through Oracle Golden Gate.
• Implemented scripting with Ajax, JSF and XML to dynamically refresh the page contents.
• Generate UI mockups from paper and pencil concepts to high fidelity prototypes that convey the interaction model using HTML5, CSS, AngularJs and Python.
• Implemented Business Logic Using POJO’s and used Websphere 7.0 to deploy the applications.
• Used Drools to handle complex business rules using Rule Sets and Rule Flows.
• Developed various JUnit test cases for Unit Testing.
• Developed an entire web application using Node JS as a server-side REST API service and Angular 4 using Typescript as a client-side framework.
• Created a fully automated process for building firmware releases by shell scripting.
• Developed automation solutions leveraging shell, Perl, and Java scripts to increase the operational efficiency.
• Utilized Angular JS for its efficient data flow architecture to create a lightweight and render efficient web app that searched projects via the GitHub API through keywords.
• Deployed and migrated Weblogic objects in a multi-server environment. Manage multiple weblogic environments – configuration changes and troubleshooting issues.
• Implemented automated local user provisioning instances created in AWS cloud and google cloud
• Implemented RESTful web services by using JAX-RS, created and read the JSON objects by using JACKSON libraries.
• Experienced in configuration of WebSphere Application Server on multiple platforms for both horizontal and vertical clustering.
• Implemented security and monitoring features within TIBCO EMS, including SSL encryption and monitoring tools, ensuring secure and reliable message transactions.
• Configured global security in WebSphere 9 using LDAP authentication Responsible for establishing Single Sign On (SSO) for WebSphere application.
• Assisted Oracle DB development team in developing stored procedures and designing the database.
• Created CI/CD for deploying in Jenkins. Used Jenkins to integrate with other tools.
• Unit tested controller layer using Spring MVC mock classes and JMock framework.
• Performed functional testing using SOAP UI and created mock services for testing on developer sandbox.
• Interacted with Business Analysts to come up with better implementation designs for the application.
• In charge of the deployment of the service deliverables to the designated environments till the final QA sign off.

Client: UIT Systems                                                                                                          June 2014 – Nov 2015

Title: Java Developer

Location:  Hyderabad, India.

Responsibilities:

• Involved in preparing High Level/Low Level Design documents.
• Implemented service tire and data accessing using spring.
• Developed various Test classes for a Unit –Testing the code using JUNIT.
• Developed and programmed the required classes in Java to support the User account module.
• Used HTML, JSP and JavaScript for designing the front-end user interface.
• Involved in the creation of interface to manage user menu and Bulk update of Attributes using Angular.js.
• Used Jasmine to perform unit testing of custom filters, custom directives and various parts of AngularJS application.
• Used Object Oriented Programming concepts to develop UI components that could be reused across the Web Application.
• Experience with Gateways API management platforms such as Layer 7 or a comparable product for payment portal.
• Experience with and/or working knowledge of Payment API’s on Lines of Business and payment applications.
• Deployment of application in the Tomcat server 6.0 environment using maven portal.
• Wrote Base Test classes for individual modules for reducing redundancy and complete isolation for unit testing.
• Implemented error checking/validation on the Java Server Pages using JavaScript.
• Responsible for field validations using AngularJS and also created custom components in AngularJS.
• Implemented Mock Objects using Easy Mock for reducing dependency and complete isolation for unit testing.
• Backend Stored Procedures development with PL/SQL.
• Used Clover for validating the tests efficiency (effective code-coverage) and also to find possible areas for code bugs.
• Developed the application using Struts Framework that Leverages classical Model View Layer (MVC) architecture.
• Good scripting experience in perl & bash.
• Used Multithreading in programming to improve overall performance.
• Used Splunk for log file aggregation and monitoring.
• Developed DAO objects to mock persistence implementation to test Business Logic.

EDUCATION:

• WILMINGTON UNIVERSITY                                                                                          New Castle, Delaware

Master of Science                                                                                                              Dec 2016

Information Technology                                                                                                               

• CMR INSTITUTE OF TECHNOLOGY                                                                             Hyderabad, India

Bachelor of Technology                                                                                                   May 2014

Electronics & Communication engineering technology