Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am an experienced Software Engineer with over 3 years of success in building scalable, cloud-native, and AI-driven systems within fintech and enterprise domains. I excel at delivering full-stack applications and intelligent solutions using technologies such as Python, Java, Spring Boot, React, and Node.js, along with hands-on expertise in Generative AI, LangChain, and Retrieval-Augmented Generation (RAG). I am passionate about bridging backend engineering with real-world AI use cases, optimizing infrastructure through DevOps practices like CI/CD and Terraform, and building modular systems that align with customer and business goals. My work ethic is driven by innovation and improving operational efficiencies across multiple projects and industries.…I am an experienced Software Engineer with over 3 years of success in building scalable, cloud-native, and AI-driven systems within fintech and enterprise domains. I excel at delivering full-stack applications and intelligent solutions using technologies such as Python, Java, Spring Boot, React, and Node.js, along with hands-on expertise in Generative AI, LangChain, and Retrieval-Augmented Generation (RAG). I am passionate about bridging backend engineering with real-world AI use cases, optimizing infrastructure through DevOps practices like CI/CD and Terraform, and building modular systems that align with customer and business goals. My work ethic is driven by innovation and improving operational efficiencies across multiple projects and industries.

AJAY KUMAR

Developer, Full Stack Developer, AI Developer, +3





I am an experienced Software Engineer with over 3 years of success in building scalable, cloud-native, and AI-driven systems within fintech and enterprise domains. I excel at delivering full-stack applications and intelligent solutions using technologies such as Python, Java, Spring Boot, React, and Node.js, along with hands-on expertise in Generative AI, LangChain, and Retrieval-Augmented Generation (RAG). I am passionate about bridging backend engineering with real-world AI use cases, optimizing infrastructure through DevOps practices like CI/CD and Terraform, and building modular systems that align with customer and business goals. My work ethic is driven by innovation and improving operational efficiencies across multiple projects and industries.…I am an experienced Software Engineer with over 3 years of success in building scalable, cloud-native, and AI-driven systems within fintech and enterprise domains. I excel at delivering full-stack applications and intelligent solutions using technologies such as Python, Java, Spring Boot, React, and Node.js, along with hands-on expertise in Generative AI, LangChain, and Retrieval-Augmented Generation (RAG). I am passionate about bridging backend engineering with real-world AI use cases, optimizing infrastructure through DevOps practices like CI/CD and Terraform, and building modular systems that align with customer and business goals. My work ethic is driven by innovation and improving operational efficiencies across multiple projects and industries.

Available to hire

I am an experienced Software Engineer with over 3 years of success in building scalable, cloud-native, and AI-driven systems within fintech and enterprise domains. I excel at delivering full-stack applications and intelligent solutions using technologies such as Python, Java, Spring Boot, React, and Node.js, along with hands-on expertise in Generative AI, LangChain, and Retrieval-Augmented Generation (RAG).

I am passionate about bridging backend engineering with real-world AI use cases, optimizing infrastructure through DevOps practices like CI/CD and Terraform, and building modular systems that align with customer and business goals. My work ethic is driven by innovation and improving operational efficiencies across multiple projects and industries.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Software Engineer at Wells Fargo

February 1, 2025 - Present

Developed a cutting-edge ML application, an LLM-powered conversational AI assistant for banking using LangChain, Semantic Kernel, and Redis vector search, enabling secure, real-time financial query handling. Implemented Retrieval-Augmented Generation (RAG) pipelines to extract insights from customer transactions and policy documents, providing fast, semantically relevant responses. Simulated enterprise-grade deployment with role-based access control, multimodal input (voice/text), and audit logging for compliance and explainability. Prototyped user interfaces and APIs with Streamlit and FastAPI; deployed using Docker with optional CI/CD pipelines. Designed scalable, modular AI skills such as summarizing monthly statements using Semantic Kernel for reusable prompt workflows. Created personalized spending insights via GPT-4, transforming raw transaction data into human-readable summaries and behavioral trends. Benchmarked vector databases (Redis, Pinecone, FAISS) for semantic retrieval p

Software Engineer at Deloitte, India

June 30, 2023 - August 7, 2025

Developed a cloud-native tax compliance and auditing system using Java Spring Boot, React, and AWS to automate tax calculation, filing, and audit workflows for multi-region financial regulations. Integrated AI/ML models for fraud detection, anomaly detection, and audit risk scoring using SageMaker, scikit-learn, and NLP-based OCR pipelines with spaCy and AWS Textract, improving audit accuracy and efficiency by 40%. Built scalable microservices architecture with RESTful APIs, RBAC security, and enhanced UI interactivity, increasing user productivity by 30%. Automated infrastructure provisioning with Terraform and CloudFormation for secure, scalable AWS deployments (EC2, RDS, Lambda, VPC) with networking best practices. Developed CI/CD pipelines with Jenkins and GitHub Actions for automated testing, Docker builds, and Kubernetes deployments on EKS, reducing release cycle time by 50%. Ensured enterprise-grade security using OAuth2, JWT, WAF, IAM policies, and enabled real-time monitoring

Software Engineer at HCL, India

December 1, 2021 - August 7, 2025

Developed user interfaces with AngularJS and HTML5, reducing load times for over 20 UI elements by milliseconds. Streamlined data interactions between MySQL and Spring Data JPA for optimized retrieval in key applications. Deployed secure Spring Boot API endpoints supporting data exchange across multiple service modules. Managed version control and project tracking with Git and JIRA to meet deadlines. Conducted comprehensive API testing with Postman, identifying and resolving 50+ issues to improve system reliability. Utilized Terraform to provision and manage cloud infrastructure to ensure consistent and repeatable deployments.

Software Engineer at Wells Fargo

February 1, 2025 - Present

Designed and built an internal AI assistant utilizing LangChain, GPT-4, and Redis vector search to answer customer financial queries with real-time document retrieval. Developed modular AI skills using Semantic Kernel to summarize spending, generate insights, and flag anomalies. Led deployment using FastAPI, Docker, and GitHub Actions for CI/CD. Benchmarked vector stores FAISS, Pinecone, and Redis for semantic search scalability. Achieved a 32% reduction in support tickets and cut financial query resolution time to under 400ms in production testbeds.

Software Engineer at Deloitte India

June 30, 2023 - September 2, 2025

Delivered a cloud-based tax compliance and audit platform using Spring Boot, ReactJS, and AWS, automating regulatory workflows across multiple regions. Embedded fraud risk scoring models with SageMaker, Textract, and NLP pipelines, improving detection accuracy by 40%. Implemented infrastructure as code using Terraform and CloudFormation to provision secure AWS environments. Built CI/CD pipelines with Jenkins and GitHub Actions to automate testing and container deployment to EKS, maintaining compliance-readiness. Shortened audit cycle time by 45% and scaled operations to serve three regions with zero critical outages.

Software Engineer at HCL India

December 1, 2021 - September 2, 2025

Developed interactive dashboards with AngularJS and Spring Boot to reduce operational latency and improve reporting efficiency. Refactored MySQL queries and built REST APIs using Spring Data JPA, reducing data fetch latency from 300ms to 180ms. Maintained infrastructure deployments with Terraform ensuring consistency across staging and production. Collaborated with QA and DevOps teams to diagnose and resolve over 50 critical backend bugs, enhancing release quality. Delivered a 27% improvement in UI load times and enhanced responsiveness across service modules.