Divyansh Sahu

Software Engineer

Bengaluru, Karnataka, India6 yrs 5 mos experience

AI EnabledAI ML Practitioner

Key Highlights

Expert in building AI-driven solutions for fintech.
Proficient in Java Spring Boot and microservices architecture.
Strong background in real-time data processing and payment systems.

Stackforce AI infers this person is a Fintech Fullstack Developer with expertise in AI and payment systems.

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Skills

Core Skills

Artificial Intelligence (ai)JavaMicroservices ArchitectureSpring BootSqlData ProcessingMachine LearningData Analysis

Other Skills

Amazon Web Services (AWS)Apache KafkaBootstrapCascading Style Sheets (CSS)Chatbot DevelopmentConvolutional Neural Networks (CNN)Core JavaDjangoGitHubHTMLHazelcastHiveHiveQLJavaScriptKafka

About

🌟 Experienced Java Fullstack Developer with a knack for crafting robust solutions in the fintech industry. 🚀 Skilled in Java Spring Boot, Hibernate, React JS, and more. 💼 Currently excelling at Pine Labs Pvt Ltd, optimizing payment systems and driving real-time processing efficiency. 🎓 Bachelor of Technology in Computer Engineering from INDORE. Passionate about leveraging technology to solve real-world challenges. Let's connect and innovate together! 🚀✨👨‍💻

Experience

6 yrs 5 mos

Total Experience

1 yr 8 mos

Average Tenure

1 yr 4 mos

Current Experience

Visa

Senior Software Engineer

Feb 2025 – Present · 1 yr 4 mos · Bengaluru, Karnataka, India · On-site

As Senior Software Engineer at Visa, currently part of the CMS team, building enterprise-grade AI and chatbot solutions for internal and customer-facing applications.
Experienced in developing LLM-powered chatbots using GPT-4, Spring AI, and cloud-native architectures to deliver intelligent, context-aware experiences.
Skilled in implementing RAG (Retrieval-Augmented Generation) and OpenSearch-based retrieval pipelines, along with tool calling frameworks for dynamic query resolution.
Proficient in Java, Spring Boot, and microservices architecture—designing scalable, distributed systems with Kafka, gRPC, and Hazelcast for high throughput and resilience.
Strong background in event-driven systems, real-time data streaming, and caching strategies to support low-latency enterprise workloads.
Previously contributed to Doorway, a SaaS platform leveraging AI, DeepSeek, and streaming analytics to provide actionable business insights.
Built and optimized microservice-based pipelines for large-scale data ingestion, transformation, and delivery across distributed environments.

gRPCkakfaArtificial Intelligence (AI)Large Language Models (LLM)Spring AIChatbot Development+3

Pine labs

Software Engineer

Jul 2023 – Feb 2025 · 1 yr 7 mos · Remote

◦ Developed a robust payment controller for card transactions, orchestrating APIs, integrating SSL security, and implementing ISO 8583 with Java Spring Boot & Hibernate.
◦ Developed Smart-Routing Microservice in Java Spring Boot to dynamically process routing rules and return an optimized list of Acquiring Banks. Implemented Redis cache for enhanced performance and reduced latency.
◦ Designed and implemented a powerful Retool PCUI using React JS(JavaScript), optimizing Rule creation and leading to a 30% reduction in processing time.

Apache KafkaPayment Card ProcessingSpring BootJavaScriptSpring MVCPayments+5

Nowpurchase

Software Engineer

Apr 2022 – Jul 2023 · 1 yr 3 mos

◦ Designed and implemented a long-polling system using React Js for the frontend and Spring Boot with Hibernate for the backend. This system enables real-time data fetching from the backend by establishing persistent connections between the client and server.
◦ Developed different parsers for diverse spectrometer files, extracting and analyzing data. Converted this data into a universal format, essential for reconciliation.
◦ Enabled seamless performance updates for foundries to management via email using Spring Boot and MSG91 integration.

HTMLCascading Style Sheets (CSS)Spring BootreduxJavaScriptJava+4

Zs

Business Technology Solutions Associate

Jan 2022 – Apr 2022 · 3 mos · India

◦ Worked on Verso Orchestration Engine ML based platform & REST APIs to fetch Data from Business Side.
◦ worked with EX-US BMS team to create practical ETL pipelines and assets for data processing.
◦ Worked on AWS for data loading and processing, Used AWS S3 for storing Data, Use SQL for testing of datapoints.

MySQLSQLPuttyHiveRDBMSPython (Programming Language)+5

Persistent systems

Software Devlopment Engineer I

Jun 2021 – Aug 2021 · 2 mos · Pune, Maharashtra, India · Remote

Serb-dst ,govt of india ,funded research project

Research Intern

Jan 2021 – Mar 2021 · 2 mos · Indore, Madhya Pradesh, India

Detect cellular level activity using laser speckle Imaging technique.
Implemented different imaging pre-processing technique using python & OpenCV.
Design the code for extraction of cellular level activity using Fujii’s & GD(Generalize Difference) method and create mask for
high-lighting the region of interest.
Create Machine Learning & Deep learning models for data analysis and accurate prediction.

KerasConvolutional Neural Networks (CNN)Scikit-LearnPython (Programming Language)NumPyTensorFlow+3