Open to opportunities · Pune, India

Hi, I'm Jay

I build Java applications & ship them on the cloud.

Java developer with 3+ years of experience building Spring Boot microservices and deploying them on AWS and Azure. I build frontends with AI-assisted development, I have growing hands-on experience with agentic AI, and I take on freelance client projects alongside my day job.

See my workGitHub (opens in a new tab)LinkedIn (opens in a new tab)
Jay Santosh Jathar sitting with a laptop
my-story · workflow
Born2001
Schoolcompleted in 2017
Junior college2019 · interest in web apps began
Engineeringfirst class with distinction · fell in love with Java
InternshipsSQL, Java & back-end, started early
TwoDotsOct 2023 – Jul 2026
Bajaj General InsuranceJul 2026 – now
What's nextcurious · growing in agentic AI
8.32CGPA · B.E. IT, first class with distinction
4internships, started early in college
3+years of professional experience
6+freelance client projects, plus landing pages
Experience

Where I've shipped.

Jul 2026 — PresentPune, India
Current

Bajaj General Insurance

Full Stack Java Developer · Payroll: Pinnacle Technology
  • Designed an AWS SQS FIFO flow (one message per claim) moving 60–100 documents per claim from DMS to S3; handles hundreds of claims daily.
  • Configured FIFO SQS queues (DLQ, content-based deduplication, message group ID, retention) and integrated them with the app on EC2.
  • Built AI workflows in n8n Cloud, using task-specific models, that generate claim summaries and flag contradictions and potential fraud across claim data and documents.
  • Developed claim draft generation based on business logic defined by the legal team.
  • Proactively redesigned the VLO React.js UI into a modern, clean interface, earning stakeholder approval and appreciation.
JavaSpring BootAWS SQS · EC2 · S3React.jsn8n Cloud
Oct 2023 — Jul 2026Pune, India

TwoDots Software Services

Java Full Stack Developer · Cloud & Microservices

Smart360 enterprise data collaboration platform

Technology Stack: Java 17, Spring Boot, Spring Cloud, Vue 3, TypeScript, D3.js, PostgreSQL, AWS S3, GitLab CI/CD

  • Built 5 Spring Boot microservices and 60+ Vue.js components, delivering an enterprise data management platform with 100% client specification compliance.
  • Implemented JWT/OAuth2 authentication with role-based access control at repository, table, and permission levels, reducing sign-in time by 60%
  • Developed interactive D3.js visualizations with dynamic data tables supporting 10+ data types, bulk operations, and advanced filtering.
  • Transformed monolithic user management system to microservices architecture with automated email notifications (Brevo), improving communication efficiency by 30%

Deep Fathom / Benthic compliance & risk management platform

Technology Stack: Azure (ACA, PostgreSQL, Key Vault, Functions), Kubernetes, Docker, GitLab CI/CD, Bicep (IaC)

  • Provisioned and managed 30+ Azure resources across staging (Commercial) and production (FedRAMP GovCloud), including Container Apps, PostgreSQL Flexible Server, Key Vault, Redis Cache, Blob Storage, and Front Door Premium.
  • Architected secure VNet topology with 6 subnets and 6 NSGs (21 security rules) per environment, implementing private endpoints, Azure Jumphost VM access.
  • Configured PostgreSQL 17 with 3 least-privilege roles and implemented Row-Level Security across 50+ tables for multi-tenant isolation, managing 60+ schema migrations

WebX & ImageX AI web generator & AI image generator

Technology Stack: Java 17, Spring Boot 3.x, React 19, TypeScript, PostgreSQL/MySQL, AWS S3, GitLab API

  • Integrated 5+ AI models through unified proxy architecture with intelligent routing, async processing for long-running operations (2-20 min)
  • Built end-to-end AI website generator pipeline (keyword analysis → layout → HTML/CSS → image generation → GitLab deployment), reducing website creation from days to minutes with 100% automated deployment.
  • Developed multi-provider image platform combining Freepik API, AI text-to-image generation, and background removal with image processing pipeline (resize, compress, convert) and S3 version-tracked storage.
Early career

Internships & apprenticeship

May 2023 — Sep 2023Bengaluru, India · On-site

Futurense Technologies

Data Specialist · Apprenticeship
  • Leveraged advanced Big Data technologies to handle larger datasets and employed advanced analysis techniques.
  • Hands-on experience in multiple projects with diverse client scenarios, utilizing data engineering technologies to solve complex problems.
  • Proficient in data analysis and visualization, extracting actionable insights that enhance decision-making processes.
MySQLSqoopBig Data
Sep 2022 — May 2023Pune, India · On-site

Biencaps Systems Pvt. Ltd.

Back-end Developer · Internship
  • Developed expertise in client-server architecture, APIs, module-view control, frameworks, design patterns, and more.
  • Proficient in Java (Spring Boot, Hibernate, Spring Data JPA) and practiced these skills on 100+ standalone functions and API setups.
  • Contributed to the completion of 2 major projects: The Video Streaming Application and Student Management System.
  • Collaborated with senior developers, ensuring seamless teamwork and knowledge sharing.
JavaSpring BootHibernateSpring Data JPAMySQL
Aug 2022 — Oct 2022Pune, India · On-site

Apptware

Java Developer · Internship
  • Utilized Stream API, Spring Data JPA, RESTful API, and Spring Boot to build modules, enhancing system consistency.
  • Cooperated with the team to optimize code efficiency, enhancing team efforts.
  • Assisted in developing wallet service and delivery module for Apptmart, improving user experience.
Core JavaSpring BootStream APIREST
Oct 2021 — Jun 2022Remote

Kantascrypt

SQL Database Developer · Internship
  • Crafted and optimized over 100 complex queries, Stored Procedures, Functions, and Triggers, enhancing database performance.
  • Partnered with business analysts to align schema with business requirements, ensuring a 100% fit.
  • Innovated and normalized tables, improving data integrity and reducing query response time by 15%.
SQLStored proceduresTriggers
Toolbox

The stack.

Languages

JavaPythonJavaScriptTypeScript

Backend

Spring BootSpring CloudSpring Data JPAHibernateRESTOAuth2 · JWT

Cloud & DevOps

AWS EC2 · S3 · SQSAzureDockerKubernetesGitLab CI/CDJenkinsBicepLinux

Data

PostgreSQLMySQLRedis

Frontend (AI-assisted)

ReactVue.jsD3.jsTailwind

Growing in

Agentic AIn8n workflowsLLM APIs
Credentials

Proof, not promises.

Certifications

Microsoft Certified: Azure Developer Associate
Jan 2026
Oracle Cloud Infrastructure 2025 Certified: Generative AI Professional
Dec 2025

Achievements

Appreciation Award — Exceptional Work Delivery, TwoDots
Feb 2026
Spotlight Award — Quick Learner, TwoDots
Feb 2024

Education

B.E. Information Technology · Smt. Kashibai Navale College of Engineering, Savitribai Phule Pune University
CGPA 8.32 / 10
Jun 2023
Freelance

Client work.

Websites and web apps I build and deploy for small businesses, alongside my full-time role, plus many one-off landing pages.

Grahboli

Live

Astrology consultation platform: slot booking, Razorpay payments, Google Calendar and WhatsApp notifications. Spring Boot + MySQL backend, React frontend.

Visit site (opens in a new tab)

SPCA World

Awaiting client

Shutdown-loss calculator landing page that captures leads into Google Sheets with WhatsApp follow-up. Built; waiting on client changes before deployment.

The Munchin Co

In progress

Full-stack web app: React (Vite, Tailwind, 3D visuals) frontend with an Express + MySQL API. Currently in development.

…and many more landing pages for small businesses.

Selected work

Things I'm proud of.

A few systems where architecture decisions mattered most.

01 — Insurance · AI

Virtual Legal Officer

A claims analysis platform for the legal team: queued document ingestion on AWS SQS, AI-generated summaries with contradiction and fraud flags, and automated drafts behind a clean React UI.

60–100docs per claim
100sclaims per day
02 — Cloud · Security

Benthic on FedRAMP GovCloud

Modular Bicep infrastructure across Commercial and GovCloud with isolated networking and Postgres Row-Level Security for true multi-tenancy.

30+Azure resources
57%faster pipeline
03 — Data platform

Smart360

Enterprise data collaboration platform on Spring Boot microservices and Vue 3, with D3.js visualizations and fine-grained role-based access.

5microservices
60+Vue components
30+releases
04 — Generative AI

WebX & ImageX

Multi-model AI platforms that go from a keyword to a deployed website and generate, edit and store images across providers.

5+AI models
20+API endpoints
Writing

Notes from the work.

All 11 posts →
Contact

Have something worth building?

I'm happy to talk about backend architecture, cloud infrastructure or AI workflows.

or reach out directly: jayjatharjj@gmail.com

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