Hire the Best Apache OFBiz Developers

Hi, I'm Arya - a Senior Software Engineer with 5+ years building scalable backend systems for fintech, e-commerce, and enterprise platforms. I specialize in high-performance APIs, microservices architecture, and complex third-party integrations. What I deliver: ✅ High-scale backend systems: Architected systems handling 400-600 RPS with 99.9% uptime ✅ Complex integrations: UK HMRC Making Tax Digital, payment gateways, e-commerce platforms ✅ Performance optimization: 50-60% database latency reduction through query optimization ✅ Revenue-driving features: Built product integrations generating 100+ billion IDR monthly revenue Recent client work: UK Tax Integration - Implemented HMRC Making Tax Digital (MTD) ITSA integration for an accounting system, enabling automated tax reporting for self-employment and UK property businesses Dubai Media Platform - Developed backend for a directory-style app featuring local activities, magazine content, and gamification systems Database Optimization - Achieved 50-60% latency reduction on MariaDB/AWS RDS for a Symfony application through Doctrine query optimization Indonesian E-commerce - Led pay-later system integrations with Tokopedia, Shopee, TikTok Shop, Lazada, and Traveloka Core expertise: Backend: Java (Spring Boot), NodeJS, PHP (Laravel/Lumen/Symfony), REST APIs, microservices Databases: MySQL, PostgreSQL, MariaDB - query optimization & schema design Cloud & DevOps: AWS, GCP, Kubernetes, Docker, CI/CD pipelines Integration: Government APIs (HMRC), payment systems, e-commerce platforms Why clients choose me: Proven at scale: 5+ years at Indonesia's leading fintech (part of Djarum Group) International experience: UK, UAE, and Southeast Asian clients Complete delivery: Clean code, tests, documentation, deployment guidance Reliable communication: GMT+7 based, professional English, regular updates Industries: Fintech, E-commerce, Government/Tax, Media & Entertainment, SaaS Ready to build reliable, scalable backend solutions for your business. Let's discuss your project requirements.

Hi...!, I’m Hady. Thanks for stopping by. Nice to meet you! I help you to build scalable software products that deliver real business value. With 10+ years of professional experience, I've worked in fintech, banking, e-commerce, and enterprise environments, designing and developing systems that serve thousands of users while maintaining performance, reliability, and security. My expertise includes: ✅ Backend Development • Java • Spring Boot • REST APIs • Microservices • PostgreSQL • MySQL • Redis • RabbitMQ • Authentication & Authorization • API Integrations ✅ Frontend Development • React • Next.js • JavaScript • TypeScript • Tailwind CSS • Responsive UI Development ✅ Mobile Development • React Native ✅ Cloud & DevOps • AWS • Google Cloud Platform • Docker • CI/CD Pipelines • Linux Servers Recent achievements: • Built banking and fintech features adopted by 30,000+ users • Improved production API performance by 30% • Reduced onboarding time by 60% through technical documentation and developer enablement • Delivered multiple production systems across web, mobile, and backend platforms What clients appreciate most about working with me: ✔ Clear communication ✔ Fast delivery ✔ High-quality, maintainable code ✔ Proactive problem solving ✔ Long-term thinking If you're looking for an engineer who can own features end-to-end and deliver production-ready solutions, let's discuss your project. Best, Hady

As a Director of Technology, Leonardo combines deep technical expertise with strategic leadership. He excels at building resilient backends, driving architecture decisions, and aligning technology with business goals. Leonardo is a Senior Java Developer and AWS Certified Solutions Architect with 15+ years of experience designing cloud-native systems and leading cross-functional teams. He has delivered scalable, mission-critical platforms for high-growth startups and enterprises across Latin America. 🔹 Java, Spring Boot, REST APIs, Hibernate, Maven, Gradle 🔹 AWS (EC2, S3, Lambda, Route 53, CloudFront, IAM, CloudWatch, ECS, ECR, Load Balancers) 🔹 Microservices, RabbitMQ, asynchronous/event-driven architecture 🔹 MySQL, PostgreSQL, SQL optimization, Redis, Liquibase 🔹 CI/CD pipelines, Docker, Git, Bash scripting, Linux administration 🔹 Reporting & analytics: Tableau, Power BI, MyDBR, complex SQL views 🔹 Team leadership, agile delivery, digital transformation, mentoring tech teams

Linux System Admin & DevOps Engineer My name is Almiñana Dario I am a expert Linux Server Administrator & PHP, Python programmer having 15+ years experience and ready to work. -- You can see my general skills below -- * Optimization Google Pagespeed, Magento, Wordpress, Drupal, Joomla and other CMS(administration, configuration, audit, optimization, little codding); * OS’s: Debian, Ubuntu, CentOS, RedHat, CloudLinux, Gentoo, FreeBSD (administration, configuration, audit, optimization); * Software Configuration Management: Salt, Ansible; * Web servers: nginx, Apache, SSL, PHP, PHP-FPM, Ruby, NodeJS, Python for all servers mentioned above.(installation, configuration, optimization); * Database servers: MySQL, Postgresql, MariaDB, Percona, MongoDB (installation, configuration, optimization, profiling); * Mail servers: Exim, Postfix, Sendmail, Zimbra, Qmail, Dovecot + Spamassassin, ClamAV; * Webhosting Administration Panels: cPanel, Plesk, VestaCP, Proxmox, ISPManager, Billmanager, VMManager, ISPConfig, DirectAdmin, webmin; * Amazon: AWS setup or Amazon tools; * Virtualization: OpenVZ, XEN, KVM, VMWare, VirtualBox, Docker; * Load balancing via: HAproxy, Nginx, PowerDNS, BIND; * System Backup and Restore automation; * Network services: dns (bind, powerdns), vpn (mpd, pptpd, openvpn), firewalls (iptables, ipfw), file server (samba3/4), proxies (squid, 3proxy, privoxy, nginx), drbd, Ceph, GlusterFS, lsyncd; * Monitoring: Zabbix, Munin, Nagios, Icinga; * FTP: Vsftp, Pureftp, Proftp. * Providers I use: Vultr, DigitalOcean, Linode. Google cloud, Rackspace, GoDaddy, Hetzner, AWS (Amazon Web Services) such as: EC2, Elastic * * Beanstalk, ECS, Auto Scaling, ELB, RDS, VPC, S3, Cloudfront, CloudWatch, IAM, SNS, SES, SQS, Route53, etc. * Other services I am working with: Cloudflare, Namecheap, Godaddy, Docker, TravisCI, Ansible, CodeCov * Source Code Management Systems I prefer: Gitlab, Github, Bitbucket * Automation: Chef, Puppet, Ansible

I am a senior developer with 21 Yrs. of experience ( 12+ Yrs with JPMorgan and rest with Deloitte, HCL and other) in Java/J2ee, Python, Rest API, SOAP API, javascript, OAuth, SSO, Kafka, SpringBoot, HTML, CSS, PHP, Web Design, Web Development, React, Redux, Angular, e-commerce, Wordpress, Shopify, JPA, Cloud, AWS, Azure, GCP, Private cloud, JBPM, n8n, Oracle BPM, JMS, Hibernate, Struts, Spring Batch, ESB, Base44, Playwright, Selenium, JavaFX, Lisp, Prolog, Weka , OpenAI, Different Web as well as Application Servers, different Operating Systems and DBMS Tools, SQL, NoSQL, PostgreSQL, Mongo, Cassandra, MYSQL, Oracle, Supabase, AI, NLP, OpenAI, agent development, Wordpress, php , CI/CD, Agile and various open-source tools, technologies and frameworks. Some of the domains I have worked on are Banking, finance, Trade, Crypto, HR, Insurance, Learning, NLP, Healthcare, System architecture, Developers Tooling, Document management, AI, DevOps, Cloud, GCP, Hubspot, Quickbook, PandaDoc, Stripe, web3, Blockchain, etc. ********************************************************************* Experience Summary: Freelancing || Freelancing || Present Toyow || Solution Architect || Sep 24 to JAN 25 JPMorgan || Vice President || (Around 12 Yrs. Total) Deloitte || Senior Consultant/Specialist Senior || Jun 13 to Jun 15 HCL || Onsite/Offshore Dev lead || Sep 06 to May 10 Birla Soft Ltd || Software Engineer || Jan 06 to Sept 06 GIIT || Developer || Feb 05 to Oct 05 ************************************************************************* Some of the applications are as below: - Document generation system - Online translation system using NLP - Library management system - HRMS System - Networking system - Tools for Developer and Operate to build and deploy their applications. - Workflow as a service - Workflow Platform for Mutual Fund NAV processing (Fund accounting) - Prediction analysis for SLA miss. - A real time dashboard for fund processing - Messaging Platform supporting MQ, SFTP, REST, Kafka, FIX, - Trade instruction manager - Customer support system for Bank operators - Platform for Tokenization Assets using Blockchain - A social Media application - A insurance management Platform - Applications developed on Base44 - Loan record reports - OCR for healthcare reports and data processing. - ChatBot for Patient enquiry. - Coin analysis using AI (openAPI integration). - A Platform for affiliate marketing. - CI/CD for Gitlab and AWS.

𝗖𝗹𝗮𝗿𝗶𝘀 𝗙𝗶𝗹𝗲𝗠𝗮𝗸𝗲𝗿 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗢𝗳𝗳𝗶𝗰𝗶𝗮𝗹 𝗖𝗹𝗮𝗿𝗶𝘀 𝗣𝗮𝗿𝘁𝗻𝗲𝗿 | 𝗙𝗶𝗹𝗲𝗠𝗮𝗸𝗲𝗿 𝗣𝗿𝗼, 𝗦𝗲𝗿𝘃𝗲𝗿, 𝗪𝗲𝗯𝗗𝗶𝗿𝗲𝗰𝘁 & 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗘𝘅𝗽𝗲𝗿𝘁 I am a Claris FileMaker Certified Developer and an Official Claris Partner with more than 10 years of experience developing custom business applications on the Claris FileMaker platform. I have successfully delivered over 40 FileMaker solutions for clients across various industries, including CRM, ERP, HR/Payroll, Sales & Purchasing, Inventory Management, Appointment Scheduling, Commission Tracking, Reporting, and Business Intelligence. 🥇 I have completed over 9,000+ hours on Upwork with a 100% Job Success Score and have more than 17 years of experience in database architecture, software development, and solution design. My FileMaker expertise includes: ✔ FileMaker Pro 14 – 2025 (Latest Versions) ✔ Claris FileMaker Server Administration ✔ Claris FileMaker WebDirect ✔ Custom App Development & Modern UI Design ✔ FileMaker Scripting & Script Optimization ✔ Database Design & Performance Tuning ✔ Multi-User Solutions ✔ Security & Access Privilege Management ✔ FileMaker Cloud & On-Premise Deployments ✔ Legacy FileMaker Version Upgrades & Migrations ✔ FileMaker Go (iPad/iPhone Solutions) 𝗔𝗣𝗜 & 𝗧𝗵𝗶𝗿𝗱-𝗣𝗮𝗿𝘁𝘆 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 I have extensive experience integrating FileMaker with third-party applications and services through REST APIs, JSON, XML, and custom web services, including: • Google Workspace (Gmail, Calendar, Drive) • Microsoft Outlook & Office 365 • DayBack Calendar • QuickBooks • Stripe • Twilio • Shopify • WordPress • Custom REST APIs • RFID Integrations • Barcode & Label Printing Solutions 𝗙𝗶𝗹𝗲𝗠𝗮𝗸𝗲𝗿 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 • New FileMaker Application Development • Existing FileMaker Solution Enhancement • FileMaker Performance Optimization • FileMaker Server Installation & Administration • FileMaker Data Migration & Version Upgrades • API Integrations & Automation • Reporting & Dashboard Development • Troubleshooting & Bug Fixing • Security Audits & User Management • Cloud Deployment & Infrastructure Setup My strong background as a Database Architect and Solution Architect allows me to design scalable, maintainable, and high performance FileMaker solutions that align with business objectives while ensuring long-term reliability and ease of maintenance. I am committed to delivering high quality solutions that meet business requirements in terms of functionality, performance, security, and user experience while maintaining clear communication and on-time delivery throughout the project lifecycle.