Available to hire
Hi, I’m Teshwani, a Full-Stack Developer with over 9 years of experience building scalable applications using Java, Python, and modern frontend technologies. I specialize in creating cloud-native, AI-first solutions and enjoy working across the full development lifecycle, from designing robust microservices to crafting seamless front-end experiences.
I thrive in collaborative Agile teams where I lead by example, driving end-to-end production releases and advocating for DevSecOps best practices. I’m passionate about leveraging AI and machine learning to deliver innovative products that solve real-world problems and improve user experiences.
Skills
See more
Experience Level
Language
English
Fluent
Work Experience
AI Full-Stack Developer at Morgan Stanley
January 1, 2023 - PresentDesigned scalable applications using Java 8–17, Spring Boot, and Python (Flask, FastAPI, automation scripting, and AI integration). Delivered a critical front-office integration module processing over 15 million monthly healthcare/financial transactions with high-throughput REST & GraphQL APIs. Re-architected legacy monoliths into modular microservices using CQRS, API Gateway patterns, and event-driven Java-based designs. Developed Python microservices for analytics, risk scoring, AI model inference, and built Python scripts for ETL and ML job orchestration. Hands-on with frontend frameworks including Angular (2–15), React, and TypeScript, optimized UI/UX with HTML5, CSS3, Bootstrap, JavaScript, and AJAX. Deployed secure, scalable cloud platforms on AWS and Azure, automated infrastructure with Terraform, CloudFormation, and Ansible. Containerized services with Docker, Kubernetes, and managed CI/CD pipelines enabling blue-green and canary deployments. Led DevSecOps practices and han
Senior Full Stack Java Developer at Verizon
December 31, 2022 - July 10, 2025Led development of 5G-ready Network Admin Center streaming over 20 million OSS/BSS events daily, built on Java 21 / Spring Boot 3, supporting sub-50 ms responses. Decomposed legacy monolith into microservices with Kafka, CQRS, Event Sourcing, and API Gateway. Introduced Python and Go services for AI-driven outage prediction and automation. Built GenAI endpoints including OpenAI and Anthropic Claude integrations. Orchestrated zero-trust microservices on AWS, Azure, and Google cloud platforms with advanced security components. Modernized UI stack using React, TypeScript, Tailwind CSS with real-time WebSocket dashboards, and implemented PWA features. Hardened authentication with OAuth 2.1, OIDC, Okta, and MFA. Tuned data layers and optimized query latencies. Automated CI/CD and implemented full DevSecOps security gates. Mentored Agile squad; led multiple production incident recoveries meeting uptime targets. Migrated legacy mainframe workflows to cloud-native APIs.
Java Backend Developer with Full Stack Exposure at Aetna
September 1, 2020 - July 10, 2025Configured and maintained Java Development Environment including SAP Web Application Server and NetWeaver Developer Studio. Coordinated offshore teams for bug fixes and support. Developed interactive GUI screens using JSP, Servlets, JavaScript, CSS, and Struts Framework. Implemented UI enhancements and integrated web apps with SAP Systems. Engineered optimized SQL queries and relational database design. Managed code promotion and controlled deployments; performed unit and integration testing, prepared documentation and supported production releases ensuring stability.
Backend Developer at JPM Chase
January 1, 2018 - July 10, 2025Collaborated with stakeholders and offshore teams for requirement gathering and technical mentoring under agile methodology. Developed presentation layers with Java, J2EE, JSP, and Spring IoC. Automated nightly ETL & validation tasks integrated with Splunk dashboards. Enhanced web components using AJAX and JavaScript. Developed business logic using Spring MVC and J2EE. Designed complex database objects and performed multi-environment deployments. Provided post-release support and defect resolution.
Java Developer at Walmart
September 1, 2016 - July 10, 2025Integrated financial modules for SAP PO validations and Oracle workflows. Designed full-stack modules using Struts MVC architecture. Created interactive UI components with JSP, JavaScript, and CSS. Developed backend business logic and DAO classes. Automated workflows for financial data verification and integrated File NET document retrieval. Authored PL/SQL procedures for transactional database operations. Managed deployments and conducted thorough testing and regression.
AI Full-Stack Developer at Morgan Stanley
January 1, 2023 - PresentDesign and development of scalable applications using Java 8–17, Spring Boot, and Python for analytics, risk scoring, and AI model inference. Delivered high-throughput financial transaction modules with REST and GraphQL APIs, re-architected legacy monoliths into modular microservices using event-driven Java patterns. Developed Python microservices with FastAPI and Flask and frontend SPAs using Angular and React. Designed microservices-based backends integrating Kafka and RabbitMQ, and managed cloud infrastructure automation with Terraform, CloudFormation, and Ansible. Led CI/CD pipeline development with Jenkins, GitHub Actions, and ArgoCD enabling zero-downtime deployment. Engineered secure authentication with OAuth2/OIDC and PingFederate SSO. Optimized SQL/DB queries to reduce latency and led migration for legacy IMS DB/DC workflows to REST APIs. Productionized GenAI for customer support and AI pipelines with LangChain and Databricks MLflow. Played Scrum Master/Tech Lead role for Ag
Senior Full Stack Java Developer at Verizon
December 31, 2022 - July 10, 2025Spearheaded modernization of 5G Network Admin Center using Java 21, Spring Boot 3, REST, and GraphQL APIs to handle 20M+ daily events. Decomposed legacy monoliths into microservices leveraging Kafka, CQRS, and API Gateway for scalable network-slice orchestration. Developed Python FastAPI and Flask services plus Go lambdas for AI-driven outage prediction. Built GenAI endpoints using GPT-4o, Anthropic Claude, and Google Gemini, deployed on AWS SageMaker and Bedrock. Modernized UI with React 18, TypeScript, and Tailwind CSS including PWA features. Hardened authentication with OAuth 2.1, OIDC, and Okta MFA. Optimized database queries for Oracle, PostgreSQL, Cassandra, and Redis reducing latency. Automated DevSecOps with Snyk, Checkmarx, and Terraform Compliance. Implemented CI/CD with GitHub Actions, Jenkins, ArgoCD, and FluxCD supporting blue-green and canary deployments. Led Agile squad of 12 engineers, boosting velocity by 20%. Managed 5 P1 recoveries faster via Prometheus and Grafana a
Java Backend Developer with Full Stack Exposure at Aetna
September 1, 2020 - July 10, 2025Configured Java development environment and coordinated with offshore teams for code fixes and production support. Developed interactive GUI screens using JSP, Servlets, JavaScript, and Struts Framework. Integrated web applications with SAP systems via JCo API and executed BAPI calls for transactions. Supported deployments on hybrid cloud infrastructure and prepared for future cloud migration. Authored optimized SQL queries for Oracle databases and managed version control through NWDI. Provided production release support and detailed technical documentation.
Backend Developer at JPM Chase
January 1, 2018 - July 10, 2025Collaborated with stakeholders and offshore teams for requirement gathering and agile delivery. Developed presentation and service layers using Java, J2EE, JSP, Servlets, and Spring IoC. Automated and monitored ETL tasks via Control-M integrating logs with Splunk. Enhanced web UI responsiveness using AJAX and jQuery. Designed complex database objects and optimized SQL scripts. Supported multi-environment deployments and provided post-release production support with defect resolution.
Java Developer at Walmart
September 1, 2016 - July 10, 2025Designed and implemented full-stack modules following Struts MVC architecture for financial systems. Developed web UI components with JSP, JavaScript, and CSS delivering responsive experiences. Integrated SAP PO validations and automated Oracle backend workflows. Authored efficient PL/SQL stored procedures for transactional data integrity and supported SAP hybrid cloud deployments. Conducted unit and integration testing and collaborated with QA teams on defect resolution.
AI Full-Stack Developer at Morgan Stanley
January 1, 2023 - PresentDesigned scalable applications using Java 8–17, Spring Boot, and Python (Flask, FastAPI), delivered high-throughput REST and GraphQL APIs for healthcare/financial transactions. Re-architected legacy monoliths into microservices, built Python-based analytics and AI pipelines, developed frontend with Angular and React, optimized UI/UX, integrated event-driven architectures, deployed secure cloud platforms on AWS and Azure, automated infrastructure with Terraform, containerized with Docker and Kubernetes, implemented CI/CD pipelines, engineered enterprise-grade authentication, and productionized GenAI solutions.
Senior Full Stack Java Developer at Verizon
December 31, 2022 - July 10, 2025Spearheaded 5G-ready Network Admin Center streaming over 20M+ OSS/BSS events daily using Java 21 and Spring Boot 3. Migrated legacy monoliths to microservices with Kafka, CQRS, and API Gateway. Developed Python and Go services for AI-driven outage prediction, built GenAI endpoints, orchestrated zero-trust microservices on leading cloud platforms, modernized UI with React and TypeScript, hardened authentication and authorization layers, optimized database queries, automated CI/CD with GitHub Actions, Jenkins, ArgoCD, embedded DevSecOps gates, implemented sophisticated deployment strategies, maintained observability, managed mainframe migrations, and mentored agile teams.
Java Backend Developer with Full Stack Exposure at Aetna
September 1, 2020 - July 10, 2025Configured and maintained Java Development Environment using SAP Web Application Server and NWDS. Developed GUI screens with JSP, Servlets, and Struts, integrated SAP via JCo API and BAPI calls. Wrote optimized Oracle SQL queries, managed code promotion, ensured quality through testing, provided production support, and prepared systems for future cloud migration.
Backend Developer at JPM Chase
January 1, 2018 - July 10, 2025Collaborated for requirement gathering and functional analysis under agile methodology. Developed presentation layer and business logic using Java, J2EE, JSP, Servlets, and Spring IoC. Automated ETL and validation tasks, optimized database scripts, managed multi-environment deployments, and offered post-release production support.
Java Developer at Walmart
September 1, 2016 - July 10, 2025Integrated financial modules for SAP PO validations and Oracle workflows. Built STRUTS MVC modules, developed UI components with JSP and JavaScript, authored PL/SQL procedures for high-volume operations, managed deployments, and collaborated on testing and defect resolution.
Education
Qualifications
Industry Experience
Financial Services, Healthcare, Telecommunications, Software & Internet
Skills
See more
Experience Level
Hire a Full Stack Developer
We have the best full stack developer experts on Twine. Hire a full stack developer in Boston today.