Hepi Chaniyara
Verified Expert in Engineering
Senior Java Developer
Rajkot, Gujarat, India
Toptal member since July 31, 2025
Hepi is a skilled software developer with over six years of experience specializing in Java development. His expertise covers Spring, Spring Boot, microservices architecture, and RESTful API design. He has extensive experience working with both SQL and NoSQL databases, including MySQL, Microsoft SQL Server, and PostgreSQL on the SQL side, as well as Apache Solr, MongoDB, and Elasticsearch for NoSQL solutions.
Portfolio
Experience
- Apache Maven - 6 years
- Microservices - 6 years
- Java - 6 years
- Spring Boot - 6 years
- REST APIs - 6 years
- Git - 6 years
- Algorithms - 6 years
- DevOps - 5 years
Preferred Environment
Java, Spring Boot, Microservices, REST APIs, SQL, NoSQL, DevOps, Generative Artificial Intelligence (GenAI), Artificial Intelligence (AI)
The most amazing...
...thing I've built is an analytics tool that directly impacted business users by simplifying data visualization and AI-based report generation for key insights.
Work Experience
Senior Java (Microservices) Developer
PepsiCo
- Developed and maintained a BFF layer for b2b-profile-admin-bff and implemented domain layer functionality for b2b-profile microservice using Java 17, Spring Boot, and microservices architecture.
- Designed a data import pipeline from the OCH system, integrated Apache Kafka for real-time event-driven streaming, and optimized PostgreSQL schemas for scalable B2B profile data management.
- Developed RESTful APIs with SwaggerHub documentation, validated via Postman, and contributed to India region planning, ensuring multi-region scalability on Azure DevOps infrastructure.
- Followed microservices architecture patterns with BFF design, participated in Mexico region deployment, and contributed to planning for India region rollout on PepsiCo's enterprise B2B platform.
Senior Java Developer
Confidential
- Engineered a SaaS platform that significantly enhanced business reporting, enabling better strategic planning and performance tracking.
- Delivered an analytics tool, directly impacting business users by simplifying data visualization and AI-based report generation for key insights.
- Created an analytics platform that streamlined data analysis, providing businesses with critical insights to optimize operations and drive growth.
Experience
Asite – Adoddle
https://www.asite.com/CONTRIBUTIONS
• Developed and maintained scalable web applications using Java and Enterprise Java Beans (EJB).
• Collaborated on UI design with Angular.
• Utilized business process management methodologies with jBPM and Activiti for workflow management.
• Implemented RabbitMQ for real-time communication.
• Designed and optimized Oracle Database schemas.
• Contributed to cross-functional teams using Agile practices.
• Developed unit tests with JUnit and Mockito.
Velocity
CONTRIBUTIONS
• Developed the project from the ground up, overseeing development and deployment.
• Collaborated with multiple roles.
• Used MySQL for data management.
• Employed Angular for front-end development.
• Deployed on Amazon EC2 with Tomcat as the back-end server.
Fundly
https://fundly.ai/CONTRIBUTIONS
• Implemented a microservices architecture using Java and Spring Boot.
• Integrated Spring Security and connected various loan providers.
• Established a comprehensive background verification process.
• Provided loan limits based on verification.
• Developed flexible repayment options, including bank transfers and UPI.
• Implemented a user-friendly front end with React and React Native.
• Utilized PHP for certain back-end services.
• Facilitated direct loan transfers.
Smart Search Tools
https://smartsearchtools.com/CONTRIBUTIONS
• Offered a custom query language to customers, internally transforming it into the chosen search engine's query.
• Enabled the flexibility to switch between search engines or versions. Key features included multiple search engine support, on-demand deployment, single sign-on, license-based access, and usage-based metering.
Prospecta
https://www.prospecta.com/CONTRIBUTIONS
• Fetched data from microservices to generate charts.
• Used Angular for the front end and Java Spring Boot for the back end.
• Enabled users to create reports with various widgets, such as bar charts, pie charts, stacked bar charts, time series, table lists, images, and an HTML editor.
• Provided options to view reports on the web or download as PDF using JFreeChart.
• Included collaboration features for sharing reports with modified permissions.
• Implemented filters for generated reports.
• Used Oracle Database, RabbitMQ for async calls, and GRPC for microservices communication.
AI Enterprise Automation and Intelligent Knowledge Platform
https://hcompany.ai/• Implemented a retrieval-augmented generation (RAG) architecture with OpenAI GPT/Azure OpenAI, LangChain, LlamaIndex, and vector databases (Pinecone, FAISS, and ChromaDB), delivering highly accurate, domain-specific responses.
• Built advanced AI agents using LangChain Agents and LangGraph for multi-step reasoning and autonomous workflows, reducing cross-system task time by 50%.
• Developed AI-powered features including chatbots, document summarization, automated reports, and knowledge copilots, enhancing productivity and minimizing errors.
• Orchestrated automation workflows with n8n, Apache Airflow, OpenClaw, Zapier, and Make for seamless API integration and business process automation.
• Integrated AI services securely via REST APIs and asynchronous processing with Python/FastAPI and microservices.
• Deployed on Azure Cloud with RBAC, OAuth2, and encryption, while using LangSmith for observability and continuous model optimization, achieving measurable operational efficiency gains.
Clipyard
• Built an autonomous agent framework using OpenClaw, enabling AI “employees” to execute multi-step marketing workflows across third-party apps, maintaining brand consistency and high content quality.
• Integrated GoHighLevel (GHL) API to automate CRM tasks, including lead follow-ups, appointment scheduling, and social media posting, driving a 30% increase in conversion rates.
• Implemented a Multi-LLM orchestration layer (Claude 3.5/4 and Gemini 3.0 Pro) for creative copywriting and large-scale data analysis.
• Engineered an AI video pipeline using Google Veo, OpenAI Sora, and Kling AI to produce cinematic ads and brand avatars, cutting production time by 60%.
• Orchestrated workflows via n8n for real-time multi-channel lead engagement.
• Built a scalable Python microservices architecture and React dashboard for monitoring AI activities, reviewing video drafts, and tracking conversions, making campaign management faster, smarter, and measurable.
Education
Bachelor's Degree in Computer Engineering
Gujarat Technological University - Gujarat, India
Certifications
What Is Generative AI?
LinkedIn Learning
Generative AI vs. Traditional AI
LinkedIn Learning
Introduction to Artificial Intelligence
LinkedIn Learning
Skills
Libraries/APIs
REST APIs, Pandas, Claude API, Google API, OpenAPI, Google Maps, Google Maps API, Camera API, OpenCV, Stripe, Beautiful Soup, WebSync, OpenAI API, Outlook Mail REST API, eBay API, Google Drive API, Vue, React Testing Library, SQLAlchemy, Auth0 API, Stripe Connect, React, Handlebars, Hugging Face Transformers, Node.js, JasperReports, QuickBooks API, React Flow, Dropbox API, API Development, Vue 3, Pydantic, Azure Cognitive Services, Balanced Payments API
Tools
Apache Solr, Amazon OpenSearch, RabbitMQ, ActiveMQ, Gradle, Apache Tomcat, Apache Maven, ELK (Elastic Stack), GitHub, Git, Java Concurrency, Camunda BPM, Claude, Pytest, Claude Code, Claude Agent SDK, Amazon Elastic Container Service (ECS), Jira, ChatGPT, Make (formerly Integromat), Exact ERP, GitHub Copilot, Docker Compose, MATLAB, Google Sheets, Microsoft Excel, Figma, SendGrid, Zoom, Webpack, Amazon Cognito, Microsoft Web Services, Servlet, Logstash, Kibana, Elastic, Auth0, n8n, Apache Airflow, Zapier, Sora, Google AI Platform, Codex, Amazon SageMaker, Terraform, GIS, Microsoft Dynamics, Microsoft Graph, Helm, Torque, MailerSend, Plaid
Languages
Java, SQL, Java SE (Core Java), Python, JavaScript, XML, CSS3, Bash, CSS, HTML, Python 3, Kotlin, GraphQL, Snowflake, Bash Script, PHP, TypeScript
Frameworks
Spring Boot, Hibernate, Spring Security, Spring, Spring MVC, Spring AI, Angular, JUnit, Mockito, JSON Web Tokens (JWT), Apache Camel, Apache Camel K, Spring Batch, Django, Selenium, Flask, AngularJS, Tailwind CSS, Bedrock, Jakarta Server Pages (JSP), React Native, Cypress, LangGraph, LlamaIndex, Next.js, Scrapy, Swagger, Spring Microservice, Dropwizard
Paradigms
Microservices, DevOps, Object-oriented Programming (OOP), Database Design, ETL, HIPAA Compliance, Microservices Architecture, Automated Testing, B2C, Real-time Systems, E2E Testing, Unit Testing, Business Intelligence (BI), Role-based Access Control (RBAC), Automation, Application Lifecycle Management (ALM), Agile, Scrum, Refactoring, REST, Mobile Development, Event-driven Design (EDD), Microfrontends, UI Design, App Development, Back-end Architecture, Event-driven Programming, Model Context Protocol (MCP), Azure DevOps, Fast Healthcare Interoperability Resources (FHIR), Synthetic Data Generation, Event-driven Architecture
Platforms
Oracle Database, Amazon Web Services (AWS), Google Cloud Platform (GCP), Azure, Apache Kafka, Jakarta EE (Java EE or J2EE), JBoss, Amazon EC2, Linux, AWS Lambda, Twilio, Cloud Run, Microsoft Copilot Studio, Palantir Foundry, Oracle, SharePoint, Android, Kubernetes, Apache Flink, Docker, Mendix, LangSmith, CrewAI, GoHighLevel, Workato, Langfuse, Salesforce, Databricks, UKG Pro, Clerk, Firebase, MuleSoft, Vercel
Storage
MySQL, Microsoft SQL Server, PostgreSQL, Sybase, Elasticsearch, MongoDB, Amazon DynamoDB, Spring Data, Redis, SQL Stored Procedures, NoSQL, JSON, Amazon S3 (AWS S3), Google Cloud, Spring Data JPA, Data Pipelines, Relational Databases, Databases, Oracle Cloud, Couchbase, Azure Cloud Services, Oracle 12c, PostGIS, IndexedDB
Industry Expertise
Healthcare
Other
Spring Cloud, Artificial Intelligence (AI), Cloud, Third-party Integration, CI/CD Pipelines, APIs, Algorithms, Performance Tuning, Workflow Design, Data Migration, Full-stack Development, API Integration, Back-end, Integration, Workflow Automation, OpenAI, Gemini, Microsoft Azure Cloud Server, Software Architecture, Audits, Code Review, Large Language Models (LLMs), Component Libraries, Cloud Infrastructure, GitHub Codespaces, Full-stack, API Backwards Compatibility, SSH, Cloud Services, AI Modeling, Machine Learning, Speech-to-Text (STT), Infrastructure, Airtable, Airtable Automations, Development, Real Estate, Web Components, AWS DevOps, Cloud Engineering, Gemini API, Vibe Coding, Web Development, Medtech, AI Automation, AI Tools, Feature Analysis, Front-end Development, ETL for AI, Generative Pre-trained Transformers (GPT), Research, ETL Pipelines, Natural Language Processing (NLP), Computer Vision, Object Tracking, Object Detection, WebSockets, Payment Processing, Automations, Third-party APIs, AI Integration, RAG Systems, Optical Character Recognition (OCR), Data Engineering, Dashboards, Front-end, Styled-components, Chrome Extensions, Web Extensions, Data Analytics, Back-end Development, API Design, AWS Secrets Manager, Documentation, Pub/Sub, Fintech, Quantitative Trading, Statistics, Mathematics, Quantitative Finance, Quantitative Modeling, Revenue Cycle Management, Real-time Data, Scraping, Web Scraping, Low Code, AI/ML Workloads, LoRa, Scalable Vector Databases, Minimum Viable Product (MVP), Web App Development, Colleges & Universities, Technical Leadership, Offline Data Synchronization, Quarkus, Jira Service Management, Groovy Scripting, Product Lifecycle Management (PLM), Business Services, AI Chatbots, CRM, SMS, Life Cycle Assessment (LCA), Sustainability, Environment, Enterprise Resource Planning (ERP), eCommerce, Data Scraping, Agentic AI Systems, CSV, Planning, Product Management, Product Requirements Documentation (PRD), Product Roadmaps, Software Design, Software Development Lifecycle (SDLC), Waterfall, AI Agent Orchestration, AI Development, LLM Integration, Model Evaluation, Scripting, AI Programming, Workflows, Code Auditing, Document Processing, Solution Architecture, Cloud Architecture, Azure AI Services, Capital Markets, Financial System Implementation, Financial Modeling, Forecasting, Systems Engineering, AWS Cloud Architecture, Healthcare Services, CTO, Agentic Coding, AI-assisted Development, Finance, Leadership, Finance APIs, Financial APIs, Financial Data, Open Banking, Auditing, RESTFul APIs, Security, Reporting, Data Architecture, PDF, Email Automation, OAuth, Workflow Automation & System Integration, Microsoft Graph API, Microsoft 365, AI Engineering, Product Owner, Cloudflare, Loveable, Debugging, Troubleshooting, Image Processing, Inventory Management, OpenAI APIs, Product Listings, Machine Learning Operations (MLOps), Engineering Management, Technical Architecture, Deep Learning, Low-latency Software, SaaS, Team Leadership, Backlog Management, Streaming, Webhooks, Video Processing, Outlook, AI Product Strategy, Application Modernization, Multi-agent Systems, User Experience (UX), Supabase, User Flows, User Interface (UI), Design Systems, Front-end Architecture, HIPAA, Software Engineering, Software as a Service (SaaS), SQL Server, Compliance, Data Security, Healthtech, System Architecture, Authentication, Authorization, Amazon Bedrock, Startups, Data Analysis, Data Mining, QuickBooks Online, Intuit QuickBooks, AI Architecture, AI Native, AI OPS Engineer, Leadership & Coaching, Light LLMs, EventBus, SaaS Architecture, Invoicing, RedPanda, Agentic Workflow Design, MVP Design, IT Audits, Monday.com, Generative Artificial Intelligence (GenAI), Agentic AI, AI Agents, Enterprise Java Beans (EJB), Web Services, SOAP, Amberflo, Cryptlex, Microsoft Azure, Okta, Application State Management, Payment Gateways, Architecture, Data Build Tool (dbt), Payments, Localization, LangChain, RAG Architecture, Pinecone, FAISS, ChromaDB, OpenClaw, FastAPI, Anthropic, Google Veo, Kling AI, Retrieval-augmented Generation (RAG), Prompt Engineering, Fine-tuning, Vector Databases, Agentic RAG Systems, Large Language Model Operations (LLMOps), Open-source LLMs, ERP Systems, System Integration, Financial Systems, Logistics, Transportation & Logistics, Identity & Access Management (IAM), OpenID Connect (OIDC), Cursor AI, Infrastructure as a Service (IaaS), Data Science, Audio Processing, Convolutional Neural Networks (CNNs), Motion Tracking, Internet of Things (IoT), Mobile Wallet, QR Codes, Medical Billing, Premium Content Subscriptions, Middleware, Electronic Data Interchange (EDI), ShipStation API, Brokerage, Vite, Event-driven Systems, DocuSign, Geospatial Data, Gradient Boosting, Vector Stores, Video Analytics, Private Equity, SOC 2, HL7, Clinical Research, Nodemailer, Cognito Forms, Mobile Architecture, EMR, Account-based Marketing (ABM)
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