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I'm Vishwak Nunna, a software engineer with 4 years of experience building financial systems using Java, Spring Boot, Hibernate, Python, and Node.js for backend development, with React and Angular for frontend applications. I specialize in microservices, REST and GraphQL APIs, event-driven architectures with Kafka, and cloud-native deployments on AWS with Docker and Kubernetes. I also integrate generative AI and RAG-based retrieval workflows to enhance internal analytics, documentation access, and efficiency.…I'm Vishwak Nunna, a software engineer with 4 years of experience building financial systems using Java, Spring Boot, Hibernate, Python, and Node.js for backend development, with React and Angular for frontend applications. I specialize in microservices, REST and GraphQL APIs, event-driven architectures with Kafka, and cloud-native deployments on AWS with Docker and Kubernetes. I also integrate generative AI and RAG-based retrieval workflows to enhance internal analytics, documentation access, and efficiency.

Vishwak Nunna

Full Stack Developer, Web Developer, Back-End Developer, +3

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I'm Vishwak Nunna, a software engineer with 4 years of experience building financial systems using Java, Spring Boot, Hibernate, Python, and Node.js for backend development, with React and Angular for frontend applications. I specialize in microservices, REST and GraphQL APIs, event-driven architectures with Kafka, and cloud-native deployments on AWS with Docker and Kubernetes. I also integrate generative AI and RAG-based retrieval workflows to enhance internal analytics, documentation access, and efficiency.…I'm Vishwak Nunna, a software engineer with 4 years of experience building financial systems using Java, Spring Boot, Hibernate, Python, and Node.js for backend development, with React and Angular for frontend applications. I specialize in microservices, REST and GraphQL APIs, event-driven architectures with Kafka, and cloud-native deployments on AWS with Docker and Kubernetes. I also integrate generative AI and RAG-based retrieval workflows to enhance internal analytics, documentation access, and efficiency.

Available to hire

I’m Vishwak Nunna, a software engineer with 4 years of experience building financial systems using Java, Spring Boot, Hibernate, Python, and Node.js for backend development, with React and Angular for frontend applications.
I specialize in microservices, REST and GraphQL APIs, event-driven architectures with Kafka, and cloud-native deployments on AWS with Docker and Kubernetes. I also integrate generative AI and RAG-based retrieval workflows to enhance internal analytics, documentation access, and efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Citigroup

January 1, 2025 - Present

Contributed to core trading and settlement microservices using Java, Spring Boot, and Hibernate to support high-throughput trade capture with low latency during market hours. Built and enhanced portfolio aggregation and risk APIs with GraphQL and REST, consolidating trade, position, and market data for intraday review. Implemented data ingestion pipelines with Kafka and SQL-based processing to propagate events across downstream risk, compliance, and reporting systems. Integrated retrieval-based analytics backed by a vector database for internal research and documentation. Supported internal AI-enabled workflows with Python-based services for summarizing exceptions and runbooks. Delivered front-end dashboards using React/TypeScript for real-time trade status, confirmations, and exception queues. Operated services on AWS (EKS, EC2) with monitoring and auto-scaling.

Software Engineer at Goldman Sachs

May 1, 2021 - January 1, 2024

Designed backend services for a financial transaction and settlement platform using Java, Spring Boot, Spring MVC, Hibernate, and REST APIs to enable transaction posting, reconciliation, and account lifecycle workflows. Built event-driven microservices with Apache Kafka to decouple synchronous flows and reduce end-to-end settlement latency. Migrated core persistence from MySQL to PostgreSQL, redesigning schemas and indexing to stabilize reporting and reduce reconciliation runtimes. Implemented Spring Security with OAuth2/JWT for RBAC; built Angular dashboards backed by Express.js APIs to improve operations visibility and reduce issue triage time.

Software Engineer at Citigroup, USA

January 1, 2025 - Present

Contributed to core trading and settlement microservices using Java, Spring Boot, and Hibernate; built portfolio aggregation and risk APIs with GraphQL and REST; developed data ingestion and processing pipelines with Kafka and SQL-based transformations; integrated retrieval-based analytics backed by a vector database for internal research; supported generative AI-enabled workflows and prompt orchestration; implemented frontend features with React; deployed and operated services on AWS (EKS/EC2) with monitoring and auto-scaling.

Software Engineer at Goldman Sachs, India

May 1, 2021 - January 31, 2024

Designed backend services for financial transaction and settlement platform; built event-driven microservices with Kafka; migrated core persistence to PostgreSQL; implemented Spring Security with OAuth2/JWT; developed Angular-based dashboards; deployed on AWS (EC2/RDS/S3); authored unit/integration tests and established CI/CD pipelines to streamline releases.