Hire the Best Informix Developers

🌟 Expert-Vetted Talent - Recognized in Upwork's top 1% of Talent ✅ Established Track Record of Hours and Earnings 🚀 Fastest Response Times 💯 100% Job Success Awarded by Clients 🔝 Top Rated Plus by Upwork, Freelancer and Agency 🔎 Searching for New Opportunities and Problems to Solve Hello and welcome, thank you for considering me for your project. My Upwork profile’s stats clearly demonstrate both my expertise and the value I add to every team that brings me on. The thousands of hours clocked on this platform alone speak to my years of experience in Software Development, and the total earnings shows a glimpse of how valuable that time has been for clients. I am available and ready to answer specific questions about your project’s current problem, next opportunity, or my fit for it. Shall we get to work? Send a message or an invite now and I will be right with you. 𝐖𝐡𝐲 𝗖𝗹𝗶𝗲𝗻𝘁’𝘀 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞: 1. 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗮𝗻𝗱 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Decades of experience bring a deep understanding of various languages, frameworks, platforms and tools, common and uncommon pitfalls, and alternative solutions. 🗯️ “He was very responsive to our messages and explained what was needed in our project clearly. He is definitely an expert in his work.” 2. 𝗘𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲 𝗣𝗿𝗼𝗯𝗹𝗲𝗺 𝗦𝗼𝗹𝘃𝗶𝗻𝗴: I have a proven track record and knack for solving complex problems and providing customized solutions for specific business needs and challenges. 💭 “Isaac was able to quickly discern what I needed and delivered…” 3. 𝗦𝘆𝘀𝘁𝗲𝗺 𝗩𝗶𝗲𝘄 𝗮𝗻𝗱 𝗖𝗼𝗺𝗽𝗿𝗲𝗵𝗲𝗻𝘀𝗶𝗼𝗻: Years of experience and diverse projects have helped me accumulate a broad set of skills and tools. I use this experience to the advantage of my client’s projects in not only accomplishing tasks, but in advising and consulting on potential challenges and opportunities. 💬 “LIFE SAVER!!! I have now use(d) Issac for two separate jobs now and will be bringing him on for some regular hours. Hopefully we get some funding and I can do even more with him. GREAT DEVELOPER” 𝐌𝐲 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Python|Django|PHP | MySQL | Laravel | WordPress | CodeIgniter | ExpressionEngine | CSS | HTML | JavaScript | Express.js | React.js | Bootstrap | PostgreSQL | NoSQL | Linux | Apache | Nginx | API | Git | SVN | Amazon Web Services | AWS EC2 | 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝗜 𝐎𝐟𝐟𝐞𝐫: 𝐅𝐫𝐨𝐧𝐭 𝐚𝐧𝐝 𝐁𝐚𝐜𝐤-𝐄𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Planning, Design, Documentation, Coding, Testing, Debugging, Deployment, Monitoring, and Maintenance. 𝐒𝐲𝐬𝐭𝐞𝐦 𝐀𝐝𝐦𝐢𝐧𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧: Cloud infrastructure Design, Deployment, Optimization, Maintenance, Scaling, Recovery and Backup, Troubleshooting, and Cost Management. 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 Management: Architecting, Optimization, Monitoring, Recovery, Updating, and Merging. 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Planning, Project Requirements, Task Detailing, Developer Support and Feedback, Problem Resolution, Progress Monitoring, Qualification Testing, and Stakeholder Communication.

Integrated systems rarely break on the first successful API call. They break three weeks later: a failed Shopify webhook, an ERP order that never synced, a CRM contact missing from the pipeline, or POS inventory that no longer matches the store. I build and fix the middleware/API layer behind those systems. My strongest work is around Shopify, ERP, CRM, POS, and Laravel-based backend systems where product data, orders, inventory, customers, payments, and reporting all need to stay aligned. What I usually handle: - Shopify / Shopify Plus integrations and custom commerce workflows - ERP and CRM syncs: Acumatica, Salesforce, Zoho, HubSpot, SAP-style systems - POS and inventory workflows: Clover, store operations, loyalty, order flows - Laravel/PHP middleware, APIs, webhooks, queues, cron jobs, retries, and logs - Admin dashboards, reporting panels, and operational data models - Production debugging where the issue is hidden across multiple systems Relevant background: - Built and supported systems handling 24k+ products, 3M+ users, and 2,000+ locations - Led technical delivery across teams of 20+ - Worked across Shopify, Shopify Plus, Magento, BigCommerce, Acumatica, Salesforce, Zoho, Clover POS, Laravel, REST/GraphQL APIs, PostgreSQL, MySQL, AWS, Firebase, and payment systems I also take on SaaS MVPs and React Native app work when the project depends on backend architecture, integrations, subscriptions, analytics, or production stability. If your store, ERP, CRM, POS, or internal dashboard is held together by fragile syncs and unclear data flow, I can help trace where it breaks and make the system reliable.

I am a Technical Lead with 7+ years of hands‑on experience delivering enterprise‑grade digital platforms, portals, and automation solutions across government and private sectors. I specialize in architecting scalable, secure, and high‑performance solutions using Liferay DXP, AI-driven components, and modern integration frameworks. I have successfully contributed to multiple end‑to‑end projects, including products, portals, and digital services aligned with Saudi DGA and UAE Smart Government standards. 🔧 Core Expertise Liferay DXP - Liferay 7.4 / 7.3 development, customization, and administration - Client extensions, OSGi modules, service builder, REST APIs - Liferay search tuning, Elasticsearch DSL, Blueprints, and AI‑assisted search - SSO, SAML, OAuth2, and enterprise security compliance - Multi‑site architecture, content governance, workflows, and DXP cloud integrations AI & Intelligent Automation - Conversational AI, chatbots, and real‑time communication systems - AI‑powered search, recommendations, and personalization - Integration of AI services into Liferay portals (NLP, classification, automation) - Data-driven decision support for digital government services Backend & Integration - Java (Spring Boot), Node.js, Express, PM2 - REST / SOAP integrations, microservices, API gateways - SQL & NoSQL databases - Doxis: CSB, WebCube, Client Admin, and enterprise document management Frontend & User Experience - React, Angular, Vue - SharePoint WebParts - Responsive UI, component libraries, and modern UX patterns 🏛️ Digital Government Alignment (Saudi & UAE) I design and deliver solutions aligned with: - Saudi DGA (Digital Government Authority) standards - Nafath Implementation - UAE Pass Implementation - NCA cybersecurity controls - UAE Digital Government & Smart Services frameworks - National single sign-on, unified service journeys, and interoperability - High-availability architectures for mission‑critical government portals

Most ERPNext projects go over budget and under-deliver — not because the software is wrong, but because the implementation ignored how the business actually operates. That's the problem I've spent 13 years fixing. I build ERPNext implementations and Spring Boot backend systems for startups, SMEs, and enterprises that need things done right the first time. I'm Frappe Certified on ERPNext V15, and I've completed 38+ projects on Upwork with a 100% Job Success Score across $90,000+ in work — which means clients come back, and they refer others. 𝐖𝐡𝐞𝐫𝐞 𝐈 𝐚𝐝𝐝 𝐭𝐡𝐞 𝐦𝐨𝐬𝐭 𝐯𝐚𝐥𝐮𝐞: On the ERPNext side: end-to-end implementations, custom DocTypes, workflow automations, approval hierarchies, print formats, custom scripts, and REST API integrations with third-party tools. I understand the Frappe framework deeply enough to build what the standard modules can't. On the backend side: Spring Boot REST APIs and microservices with proper security (Spring Security, JWT, RBAC), JPA/Hibernate, clean architecture, and production-ready deployments. I've also handled Liferay 6.2/7.x portal development and Java + React/Angular enterprise portals for clients who needed both ERP and a custom frontend layer. What separates working with me from working with a developer who just executes tickets: I ask the two questions most developers skip before starting — what does your current process actually look like, and what does failure cost you? That conversation shapes everything and usually saves weeks of rework. Currently available. I reply within a few hours.

A proven track record in full-stack web and mobile application development, I help startups and enterprises build scalable, secure, and AI-powered applications from idea to production. I work closely with clients throughout the entire product lifecycle — from requirement analysis and architecture design to UI/UX, development, deployment, and scaling. My experience spans modern JavaScript frameworks, Python/Node/,NetCore based backends, cloud infrastructure, and AI-driven development workflows, enabling me to deliver solutions that are both technically robust and business-focused. I have successfully built simple MVPs to complex enterprise platforms across industries such as Healthcare, FinTech, Logistics, Marketplaces, and Social Platforms. ✅ Healthcare expert ✅ Custom EMR/EHR development ✅ Interoperability - FHIR/HL7 ✅ PACS/DICOM ✅ LIMS ✅ Health Insurance & Claim Management ✅ HIPAA/GDPR ✅ Ready to start immediately! ✅ High Quality and strong Skills. Domain Expertise: Healthcare- HIPAA, HIX, EMR-EHR, PMS, FHIR, HEDIS, CCDA, EDI, ICD-10/11, CPT, SNOMED, Meaningful use (MU) 1,2,3, Compliance, HL7, Telehealth, Telemedicine, Homecare, m-Health, Medication/Care Management, Wearable integration, Medical Billing, Clinical Analytics, Insurance, Preventive, Wellness, Health risk assessment Experienced in integration of multiple EHR’s to the healthcare applications like GE Centricity, Allscripts, EPIC, iKnowMed, Cerner, Athena marketplace, eClinicalWorks, NextGen, Greenway etc. I have proficiency in the full life cycle of solution development (end to end) business requirements, functional and technical specifications, data modelling transactional and dimensional data, ETL, data analysis solutions, dashboards, scorecards, and reports. Using tools like Info Sphere Data Architect, Cognos Business Intelligence, IBM Cognos Report Studio, IBM Cognos Framework Manager. With a special focus on the US Healthcare Industry, I do provide wide range of services in the industry that can be summarized as follows: -- RCM -- Electronic Medical Record (EMR) Development -- Electronic Health Record (EHR) System Development -- Billing System, DICOM Viewer -- Healthcare Interoperability, -- HIPAA Consultancy, -- Meaningful use (MU) Certification, -- HL7 Messaging, -- CCDA, FHIR, HEDIS -- Telemedicine Our offerings ---------------- -HIT Software Development Service -LIMS for comprehensive lab workflow management -HIPAA Consultancy and HEDIS measures implementation. -Healthcare Interoperability Modules & HL7 Messaging (ADT, ORU, ORM, etc.) -EMR/EHR Systems -Certifications and Compliance (MU Certification) -Seamless Integration with Radiology, Laboratory, and Pharmacy Systems -Billing Management and EDI Processing Systems (EDI 837, 835, 270, 271, 276, 277, 999 etc.) -Medical Coding Database Management (ICD9, ICD10, SNOMED, RxNorms, NDC, LOINC, CPT, HCPCS, E/M, PQRS) -DICOM Viewer & PACS Solutions -Provider Networking & Credentialing -Tele-Health, Tele-Medicine, Remote monitoring -Mobile applications and device Integration In sync with the latest standards and technologies in the Industry, you can expect the excellence in all the aspect of IT Services & Solutions, be it Security (from HIPAA point of View), Turn Around Time (for innovative products), Cost-Effective, Industry-oriented, and User-Friendly.

I’m an ERPNext Architect with 8+ years of experience delivering scalable, enterprise-grade ERP solutions across industries such as Manufacturing, Retail, Healthcare, Professional Services, and Distribution. I specialize in end-to-end ERPNext implementations, helping businesses streamline operations, automate workflows, and build reliable systems that support long-term growth. ➤ ERPNext & Frappe Expertise • Full ERPNext implementation, configuration, and customization • Custom Frappe apps, DocTypes, workflows, and automation • Finance, Accounting, HR & Payroll, Manufacturing, CRM, Inventory • Multi-company and multi-branch ERP architecture • API integrations with third-party platforms and services • Payment gateway integrations (Stripe, Razorpay, etc.) • ERPNext performance optimization and scaling • Data migration from legacy systems (Odoo, spreadsheets, custom ERPs) • Custom reports, dashboards, and analytics • Role-based access control and workflow automation I help organizations digitize and optimize mission-critical processes through secure and scalable ERP architecture. ➤ Implementation & Technical Capabilities • Frappe Framework (Python, MariaDB, REST APIs) • ERPNext customization and module development • Server-side scripting and automation logic • Third-party integrations and webhook handling • Docker-based deployments and cloud hosting (AWS, DigitalOcean, Frappe Cloud) • System architecture planning and technical consulting • ERP migration strategy and workflow optimization If you're looking for an ERPNext expert who understands both business workflows and technical architecture, I can help you design and implement a system that is efficient, scalable, and future-ready. Let’s build a powerful ERP solution tailored to your business needs.