Solutions by TP Coder

Thanaphoom Babparn

Creating innovative products and custom technical solutions with entrepreneurial vision and engineering excellence to drive positive impact

Services

KEY SERVICE

Create Product as Solo Founder to Make the World Better

Building innovative products from conception to launch as a solo founder, combining technical expertise with entrepreneurial vision to create solutions that have positive impact on the world.

Requirements Analysis & Backend Development

Translating business requirements into robust backend solutions using Java, Kotlin, Rust, or Go.

Legacy Code Migration

Modernizing outdated systems while ensuring business continuity and improved performance.

Technical Consulting

Expert guidance for entrepreneurs and graduate projects, focusing on architecture, scalability, and best practices.

Technical Documentation & Review

Creating comprehensive documentation, technical reviews, and white papers for your services, including POC validation when needed.

Business Concept POC

Rapidly developing proof-of-concept solutions to validate your business ideas with technical feasibility analysis and practical implementations.

Achievement Highlights

Mission-Critical System Optimization

Enterprise

Re-engineered a personalized asset delivery system, replacing a legacy multi-tenant solution with a streamlined Spring Boot 3.2 (Kotlin) application using coroutines and asynchronous caching. Achieved 8,000 RPS with minimal latency, exceeding peak demand of 7,000 RPS.

Kotlin

Spring Boot

Performance

Large-Scale System Migration

Data Processing

Led the migration of 36 Spark-Scala ETL jobs and 51 data lake tables to a new architecture, achieving a cost reduction of 548,000 yen daily (200 million yen annually) while maintaining data integrity and system performance.

High-Volume Notification System

FinTech

Spearheaded the architecture and development of high-throughput, low-latency push notification services handling 120+ million daily notifications for diverse use cases, including transactional and promotional campaigns.

Java

Microservices

Scalability

Cross-Functional Workflow Automation

Marketing Tech

Designed and implemented a timeline notification delivery system from scratch, including drafting, requirements analysis, and implementation with Kotlin, Spring WebFlux, Cadence Workflow, and Kafka integration. Reduced 100 hours per month for the marketing team and increased annual GMV by 4M JPY.

My Approach

Analyze

Thorough understanding of business requirements and technical constraints before proposing solutions.

Design

Creating robust, scalable architectures with a focus on correctness, performance, and maintainability.

Implement

Clean, efficient code using modern best practices and appropriate technologies for each problem.

Deliver

Timely execution with clear documentation and knowledge transfer to ensure long-term success.

Technical Expertise

Languages

Java 21+

Kotlin

Rust

TypeScript

Frameworks

Spring Boot

Spring WebFlux

Quarkus

Micronaut

Actix

Axum

Spark

Technologies

Kubernetes

Docker

RDBMS

MongoDB

Redis

Kafka

RabbitMQ

Cloud Native

Working Model

Project-Based Engagement

I work on a project basis rather than hourly, dedicating 4-5 hours daily outside regular working hours to ensure focused and effective delivery.

Availability Hours

Weekdays

8:00 PM - 12:00 AM (ICT/JST)

Weekends

8:00 AM - 10:00 PM (ICT/JST)

* Time zone is ICT or JST, depending on my current location.

Project Approach

Clear project scope and deliverables defined upfront
Transparent timeline and milestone-based delivery
Regular updates and communication throughout the project
Knowledge transfer and documentation included in every project

Get In Touch

Ready to discuss your project or product idea?

Send an email with your requirements or product concept to:

I'll get back to you within 1-2 business days with a response to your inquiry.

Solutions to Make the World Better