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I'm Sebin Tom Joseph, a full-stack software engineer with 4+ years of experience designing, building, and operating production web applications. I'm proficient in Java (Spring Boot), Python (FastAPI), and TypeScript (Next.js, Angular, React). I independently architected and delivered an AI-powered SaaS platform featuring asynchronous message queue pipelines (RabbitMQ), microservices, cloud deployments on GCP, and payment processing via Stripe API. I have experience in system design, API design, unit and integration testing, Agile/Scrum delivery, code reviews, and CI/CD automation across healthcare and SaaS domains. I am completing an MSc in Data Analytics at Dublin Business School (2026).…I'm Sebin Tom Joseph, a full-stack software engineer with 4+ years of experience designing, building, and operating production web applications. I'm proficient in Java (Spring Boot), Python (FastAPI), and TypeScript (Next.js, Angular, React). I independently architected and delivered an AI-powered SaaS platform featuring asynchronous message queue pipelines (RabbitMQ), microservices, cloud deployments on GCP, and payment processing via Stripe API. I have experience in system design, API design, unit and integration testing, Agile/Scrum delivery, code reviews, and CI/CD automation across healthcare and SaaS domains. I am completing an MSc in Data Analytics at Dublin Business School (2026).

Sebin Tom Joseph

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm Sebin Tom Joseph, a full-stack software engineer with 4+ years of experience designing, building, and operating production web applications. I'm proficient in Java (Spring Boot), Python (FastAPI), and TypeScript (Next.js, Angular, React). I independently architected and delivered an AI-powered SaaS platform featuring asynchronous message queue pipelines (RabbitMQ), microservices, cloud deployments on GCP, and payment processing via Stripe API. I have experience in system design, API design, unit and integration testing, Agile/Scrum delivery, code reviews, and CI/CD automation across healthcare and SaaS domains. I am completing an MSc in Data Analytics at Dublin Business School (2026).…I'm Sebin Tom Joseph, a full-stack software engineer with 4+ years of experience designing, building, and operating production web applications. I'm proficient in Java (Spring Boot), Python (FastAPI), and TypeScript (Next.js, Angular, React). I independently architected and delivered an AI-powered SaaS platform featuring asynchronous message queue pipelines (RabbitMQ), microservices, cloud deployments on GCP, and payment processing via Stripe API. I have experience in system design, API design, unit and integration testing, Agile/Scrum delivery, code reviews, and CI/CD automation across healthcare and SaaS domains. I am completing an MSc in Data Analytics at Dublin Business School (2026).

Available to hire

I’m Sebin Tom Joseph, a full-stack software engineer with 4+ years of experience designing, building, and operating production web applications. I’m proficient in Java (Spring Boot), Python (FastAPI), and TypeScript (Next.js, Angular, React). I independently architected and delivered an AI-powered SaaS platform featuring asynchronous message queue pipelines (RabbitMQ), microservices, cloud deployments on GCP, and payment processing via Stripe API.

I have experience in system design, API design, unit and integration testing, Agile/Scrum delivery, code reviews, and CI/CD automation across healthcare and SaaS domains. I am completing an MSc in Data Analytics at Dublin Business School (2026).

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full Stack Developer at OtelAI

December 1, 2025 - Present

Hotel revenue management platform delivering real-time KPI analytics for the hospitality industry. Designed and built rate band configuration and budget settings modules — full-stack features spanning Next.js UI, FastAPI REST endpoints, and PostgreSQL data models. Developed PostgreSQL-backed KPI aggregation service in FastAPI, supporting dynamic period filtering (daily, monthly, yearly) and segment-level breakdowns for hotel revenue dashboards. Investigated and resolved a double-counting defect in budget calculations caused by overlapping segment and group budget logic. Contributed to database schema design for F&B budget tables and participated in code reviews across the team.

AI-powered Recruitment SaaS Engineer at Career Navigator

February 1, 2025 - December 1, 2025

Architected and built a distributed asynchronous CV processing pipeline: Next.js frontend → Java Spring Boot API → RabbitMQ → Python FastAPI consumers → Firestore. Supported batch uploads of up to 50 files per batch with 4–8 concurrent workers, reducing total processing time from ~50 minutes to under 10 minutes. Implemented REST APIs and microservices in Spring Boot and FastAPI with clean API design, versioning, DTO contracts, and centralized error handling. Integrated OpenAI API for CV-to-job matching, AI-generated mock interviews, and automated documentation. Integrated Stripe for subscription-based payments and CI/CD pipelines on GCP to deployment. Built an AI-powered automated calling agent integrating Twilio and Rete AI for scalable interview rounds.

Senior Software Engineer at Nkorr Technologies

October 1, 2022 - December 1, 2024

Enterprise healthcare software company specializing in medical imaging platforms and hospital information systems. Built a Patient Profile module in Angular for viewing medical reports and imaging studies with DICOM data uploads and multi-step approval workflows. Designed and implemented a secure medical data sharing system enabling clinicians to share patient studies via email-access links with revocation controls and audit trails. Built a Work List module for navigating patient studies and OHIF imaging viewer, and refactored OHIF integration for better mobile usability and accessibility. Promoted from Software Engineer to Senior Software Engineer in Oct 2023.

Software Developer at Quest Global

July 1, 2021 - October 1, 2022

Global engineering services company delivering solutions across aerospace, medical devices, and industrial sectors. Built an automated Python Selenium-based test framework for end-to-end testing of regulated medical software, reducing manual testing and improving defect detection. Conducted comprehensive manual and functional testing of medical device software to ensure safety and regulatory compliance. Optimized test execution workflows to improve reliability and accelerate release cycles.