ตำแหน่ง SENIOR JAVA DEVELOPER

บริษัท TP Consulting (THAILAND) (Location : ITMX)

ที่อยู่บริษัท

เงินเดือน สำหรับสมาชิกเท่านั้น

ลักษณะงานที่ทำ
SPC (Security & Licensing Module)
- Implemented and maintained license/configuration handling for SPC system
- Integrated PKCS#7 encryption/decryption and digital signature workflows
- Managed USB Token (SafeNet) integration via SunPKCS11 provider
- Resolved token-related issues (e.g., session loss, provider lifecycle)
- Fixed security vulnerabilities (static salt, unused test utilities)
- Supported secure file processing (sign, encrypt, decrypt, verify)
- Ensured compliance with static code analysis (SCR) and security standards

SPC_LICENSE (Sub-Module)
- Maintained license/configuration handling and PKCS#7 encryption
- Managed digital signature workflows with USB Token integration
- Debugged token lifecycle issues and ensured security compliance

SPH (Single Payment Hub)
- Refactored and rebuilt core payment system from legacy → Spring Boot
- Developed file processing pipeline with encryption/signing
- Implemented scheduler for multi-bank transactions
- Integrated SFTP for bank file transfers
- Enhanced logging, error handling, and operational monitoring

SBPH (Single/Bulk Payment Hub)
- Developed SQL and backend logic for financial reporting
- Debugged transaction and settlement discrepancies
- Implemented file processing pipeline with encryption and signing
- Collaborated with QA, infra, and production teams

SGSF (Banking Ecosystem / Settlement & Reporting)
- Developed backend system using Java Spring Boot and Kotlin
- Processed interbank transaction files and generated CSV/XML/PDF reports
- Calculated transaction fees (Switching / Interchange)
- Integrated Oracle DB
- Resolved SIT/UAT defects and monitored production system

NEWbulk (Bulk File Processing System)
- Developed advanced Oracle SQL queries for report generation
- Debugged financial report mismatches (IFR / FRD / MXM)
- Managed file processing pipeline (ZIP, SFTP, encryption)
- Integrated legacy systems with Spring Boot backend
- Debugged issues reported by QA in SIT/UAT

ตำแหน่ง SENIOR JAVA CONSULTANT

บริษัท AMASS CORPORATION (THAILAND) (Location : KBTG)

ที่อยู่บริษัท

เงินเดือน สำหรับสมาชิกเท่านั้น

ลักษณะงานที่ทำ
RFID for Oil Payment (FILL & GO+) Project
(Intelligent RFID-Based Fuel Payment and Control System)

FHOM Middleware
- Developed and maintained enterprise middleware applications using Java and Spring Boot.
- Designed, enhanced, and supported RESTful APIs for integration between RFID payment systems and backend services.
- Implemented business logic enhancements and system functionality improvements.
- Developed and maintained SQL Server database components to support application requirements.
- Investigated and resolved application defects, production issues, and system failures.
- Provided ongoing system maintenance, troubleshooting, and operational support.
- Collaborated with business, QA, and infrastructure teams throughout the development lifecycle.

SMF Web Service
- Developed and maintained backend web services using C# .NET 6.
- Designed and enhanced RESTful APIs to support RFID payment processing and system integration.
- Developed and maintained SQL Server database components and business logic.
- Implemented application logging and monitoring using Log4Net.
- Investigated and resolved production incidents, application defects, and performance issues.
- Supported system deployment, maintenance, and post-release activities.

Tools & Technologies
- GitLab for source code management and version control.
- Control-M for batch job scheduling, execution, and operational monitoring.
- Java, Spring Boot, C# .NET 6, SQL Server, REST API, Log4Net.

ตำแหน่ง SENIOR .NET DEVELOPER

บริษัท Apar Technologies (Location : TTB Contract 4 Month)

ที่อยู่บริษัท

เงินเดือน สำหรับสมาชิกเท่านั้น

ลักษณะงานที่ทำ
SVSService Project (Customer Statement Processing & Analytics Platform)
- Developed and maintained backend services using C# .NET 6.
- Designed and implemented RESTful APIs to support customer statement processing and data analysis.
- Developed Oracle database objects including tables, stored procedures, and functions.
- Implemented data processing workflows for customer statement files and reporting requirements.
- Investigated and resolved application defects, production issues, and performance bottlenecks.
- Provided ongoing system maintenance and operational support.

SVSIChart Project (Data Processing & Reporting Platform)
- Developed and maintained backend applications using C# .NET 6.
- Designed and implemented Worker Services for scheduled processing and reporting tasks.
- Enhanced system performance, reliability, and operational stability.
- Investigated and resolved application issues and production incidents.
- Supported system maintenance and deployment activities.

SVSAdmin Project (Administration & Management Portal)
- Developed and maintained ASP.NET web applications using C# .NET 6.
- Designed and implemented RESTful APIs for administration and system management functions.
- Provided application support, troubleshooting, and defect resolution.
- Implemented application logging and monitoring using Log4Net.
- Performed static code analysis and quality assurance using SonarQube.
- Managed source code and version control using GitHub.
- Supported deployment, testing, and post-release maintenance activities.

ประสบการณ์ทำงานอื่นๆ
.NET DEVELOPER (OUTSOURCE)
Getlinks Thailand (Location : SCG)| 02/2021 - 06/2023
PPC-Presale Project (Pre-Sales Pricing Calculation System)
- Developed and maintained the PPC-Presale application using C# .NET.
- Migrated legacy Java modules to C# .NET to improve maintainability and system
performance.
- Designed and implemented RESTful APIs and SQL components to support pricing
calculation processes.
- Developed and maintained database tables and related SQL Server objects.
- Investigated and resolved application defects, production issues, and
performance bottlenecks.
- Performed system maintenance, enhancement, and production deployment
activities.
CIP-Presale Project (Pricing Calculation System for Thai Container Group)
- Enhanced and migrated business logic from Java to C# .NET.
- Developed APIs and SQL components to support pricing calculation and
business operations.
- Analyzed and resolved production issues and application defects.
- Supported application deployment and post-release validation activities.
Product Master Sale Project (Sales Data Management Platform)
- Developed backend services using C# .NET.
- Designed and implemented RESTful APIs and SQL Server database components.
- Developed and maintained database tables and data integration processes.
- Investigated and resolved system issues while providing ongoing maintenance
support.
- Supported testing, deployment, and environment configuration activities.
Product Master TDS Project (Sales Analytics and Insight Platform)
- Developed backend applications and data processing services using C# .NET.
- Designed APIs and SQL Server database structures for sales data collection and
analysis.
- Implemented database enhancements and data integration workflows.
- Performed troubleshooting, system maintenance, and deployment support.
- Collaborated with business and technical teams to ensure system reliability and
data accuracy.

SOFTWARE ENGINEER (DEVOPS)
Progress HR Co., Ltd.(Location: KBTG)| 12/2019 - 01/2021
Projects:
- CU (Student and Personnel Information System)
- PCB LEAN (Log Processing Platform)
- Credolab Integration Platform
- Convolab File Transfer Platform
Responsibilities:
- Maintained and enhanced enterprise applications developed in C# .NET.
- Supported and improved the CU system for student and personnel information
management.
- Maintained and enhanced the PCB LEAN platform for log processing and
monitoring.
- Supported integration and maintenance of the Credolab platform, collaborating
with external vendors for mobile data collection and analysis.
- Maintained and enhanced the Convolab platform for file transfer and data
exchange between mobile chatbot systems and internal applications.
- Investigated and resolved application defects, production issues, and system
performance bottlenecks.
- Provided application support, troubleshooting, and operational maintenance for
business-critical systems.
AWS & Cloud Support:
- Developed, maintained, and supported AWS-based solutions using Athena, S3,
Batch, Lambda, EC2, SSM, CloudWatch, and CloudFormation.
- Implemented monitoring, automation, and operational support for cloud
infrastructure and application services.
- Performed troubleshooting, deployment support, and performance optimization
across AWS environments.
- Supported batch processing workflows, automated scheduling, and system
operations.

SOFTWARE ENGINEER
Ngernturbo | 11/2017 - 11/2019
- Developed and maintained Loan Origination System (LOS) backend services using C#
.NET.
- Designed and implemented RESTful APIs using JSON for frontend integration.
- Developed and managed Elasticsearch databases on AWS for advanced search
functionality.
- Utilized GitLab for source code management and deployment version control.
- Developed Java batch processing jobs for scheduled and on-demand file processing.
- Worked with AWS services including S3, API Gateway, and CloudWatch for file
management, API monitoring, and application logging.
- Participated in Agile/Scrum development processes using Jira for task management and
project tracking.
- Supported production deployments and post-release issue resolution.

JAVA PROGRAMMER
Soft Square Group Of Company | 07/2014 - 10/2017
Gathered and analyzed business requirements from users, Business Analysts
(BA), and System Analysts (SA).
- Estimated development effort and project timelines.
- Designed, developed, and enhanced Java applications based on business
requirements.
- Performed unit testing and defect resolution before delivery.
- Collaborated with BA and SA teams throughout the development lifecycle.
- Committed source code and supported integration testing activities.
- Utilized SonarQube and Jenkins to ensure code quality and maintain coding
standards.
- Participated in deployment activities and supported customer UAT testing.

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