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6,5
6,5
96%

Gurgaon, India
$25 USD pro Stunde
Experienced IT Administrator & Developer with more than 6 years of experience in WordPress development & customization. Other Capabilities include server setup, optimization & management, Php, WordPress theme/plugin customization, APIs integration, virus/malware removal, speed optimization. Digital Marketer with a demonstrated history of working on the Paid Advertisement & Organic Growth. Skilled in Google/Facebook Ads, PPC, SEM, SEO, YouTube Growth/Optimization, Google Analytics/Tag Manager.

6,7
6,7
100%

Birmingham, United Kingdom
$35 USD pro Stunde
Professional B.Sc(hons) in Computer Science, Systems,/Software Engineer and Technical Architect, with vast corporate and freelancing experience in Europe, working for top global names in consumer electronics and software. Specialist Skills with over 10+ years experience, include ============================================= ++ C++, WIndows, Linux. Embedded C/C++ ++ Porting Legacy code to modern compilers; in particular legacy MS VC++ and Borland C++ ++ UML, OOA/OOD using |MS Visio, IBM Rational tools, Enterprise ++Specialise in : Microsoft Tools, Visual Studio, VC++, Visio, Office etc; as a Developer and technical architect. ++Used Windows since the early 90s, using VC++, any Win32 API(s), MFC, Windows APIs, SQL Server etc. WinCE, windows embedded, embedded VC++ Windows Custom Credential Provider Development using VC++ and COM. I also offer soft skills such a Life Coaching, mentoring, teaching , motivation to achieve goals, and Spiritual /Divine (advanced) teachings, training and healing. Do get in touch, should you feel like benefitting from 30+ years of experience. Thanks, Success to you! Dinesh

7,7
7,7
93%

TRES CANTOS, Spain
$72 USD pro Stunde
High degree computer engineer, +25 years of experience developing trading bots and tools. +7 years developing Smart Contracts for main EVM networks - Certified Solidity developer by Consensys - Solana Certified developer by Ackee - Uniswap V4 hooks dev Certified developer by Atrium - Certified Blockchain developer by Blockchain Training Alliance - Smart contracts, DeFi, Uniswap, Yield Farming, Staking, Casino Games, Exchanges, DEX CEX, dApps, Wallets - Ninjatrader / Ninjascript certified Vendor / Consultant - Trading bots, exchange sports, forex, futures, options, Metatrader, betfair API, pinnacle sports API, betdaq API, matchbook API, expert advisors, indicators, cryptocurrencies exchanges. - Software development fullstack, multi-platform, multi-language. - Proeficient, creative, R&D, able to work in a team.

4,8
4,8
95%

Pune, India
$70 USD pro Stunde
Around 14 years of experience as an Java developer. Experienced in all phases of system development life cycle including Analysis, Design, Development, Debugging, Support, Integration, Maintenance and Enhancements of Java applications. Expertise in understanding and adapting core and enterprise design patterns while implementing the applications. o Strong Experience in making the application deployments into the Server(Glass- fish, Apache tomcat& IBM Web-sphere). o Easiness to become familiar with new technologies and paradigms. o Good experience of Migration process. o Web based user interface solutions provider according to the different environment. o Module testing regarding to the functional and technical aspects. o Possess good communication skills ✔Fast , Accurate & On time Delivery its my commitment. ✔Give 100% for Work ✔Your Trust is My Reward ✔Available 24/7 ✔Client Satisfaction is my "MOTTO".

5,5
5,5
87%

October Gardens, Egypt
$40 USD pro Stunde
A common challenge clients face is finding candidates capable of rigorous research and applying scientific and engineering principles to effectively troubleshoot and resolve their software problems or meet specific needs. As a Senior Software Engineer with over 12 years of experience, I possess the precise skillset required to address this gap. My expertise encompasses: - Developing New Web Applications, E-commerce Platforms, and Websites: Utilizing popular open-source solutions including WordPress, Magento, Laravel, and others. - Systematic Troubleshooting: Diagnosing and resolving complex bugs and issues within WordPress, Magento, Laravel, Python, Django, MySQL, and various other environments. - Security Remediation: Identifying and eradicating malware, rootkits, and resolving security vulnerabilities on websites and Linux servers after compromise. - Infrastructure Management and Migration: Executing seamless server-to-server or version-to-version migrations for platforms like WordPress, Magento, and Laravel. - Performance Engineering: Implementing comprehensive speed optimizations to achieve maximum performance for websites and web applications. - Linux Server Administration: Installing, managing, configuring, and fixing issues on Linux server environments, including CentOS, Ubuntu, and platforms like WHM/cPanel and Plesk.

5,9
5,9
85%

Calgary, Canada
$50 USD pro Stunde
I'm a passionate Full Stack & AI Automation & GoHighLevel Engineer with over 6+ years of experience building scalable web applications, intelligent automation systems, and high converting CRM solutions. I enjoy turning complex business ideas into reliable, user friendly products that help companies save time, increase revenue, and grow with confidence. My expertise covers the complete development lifecycle, from planning and UI implementation to backend architecture, cloud deployment, automation, and long term maintenance. Whether it's building a SaaS platform, creating AI powered assistants, or designing advanced CRM workflows, I focus on delivering secure, scalable, and production ready solutions. 💻 Full Stack Development 🟢 React.js, Next.js, Vue.js, Angular 🟢 TypeScript, JavaScript 🟢 Node.js, Express.js, NestJS 🟢 Python, FastAPI 🟢 HTML5, CSS3, Tailwind CSS, Bootstrap 🟢 REST API, GraphQL 🟢 PostgreSQL, MySQL, MongoDB, Prisma 🟢 Firebase, Supabase 🟢 AWS, Vercel, Docker, CI/CD 🤖 AI & Automation ✨ OpenAI, Claude, Gemini ✨ AI Chatbots and Virtual Assistants ✨ AI Agent Development ✨ RAG Systems ✨ Prompt Engineering ✨ Workflow Automation ✨ n8n, Make.com, Zapier ✨ AI Content Generation ✨ AI Voice Agents ✨ OCR and Document Processing ✨ Email Automation 📈 GoHighLevel Expertise 🎯 CRM Setup and Customization 🎯 Sales Pipelines 🎯 Marketing Automation 🎯 Lead Capture Funnels 🎯 Calendar Booking 🎯 SMS and Email Campaigns 🎯 Workflow Automation 🎯 Custom API Integration 🎯 Stripe Integration 🎯 Twilio Integration 🎯 Reporting and Dashboard Creation 🔗 Integrations 🔹 Stripe 🔹 PayPal 🔹 Twilio 🔹 Mailgun 🔹 Resend 🔹 SendGrid 🔹 Google APIs 🔹 Meta APIs 🔹 OpenAI APIs 🔹 HubSpot 🔹 Zoho CRM 🔹 Salesforce 🔹 Jira 🔹 Slack 🔹 Discord 🔹 Shopify 🔹 WooCommerce 🌟 What I Deliver ✅ SaaS Applications ✅ AI Powered Business Solutions ✅ CRM Automation Systems ✅ Business Process Automation ✅ Modern Responsive Websites ✅ Custom Dashboards ✅ API Development and Integration ✅ Secure Authentication Systems ✅ High Performance Web Applications ✅ Scalable Cloud Solutions I believe great software should be fast, intuitive, and easy to maintain. My goal is to build solutions that solve real business challenges while creating an outstanding experience for both users and administrators. I value clean code, clear communication, and long term partnerships, ensuring every project is delivered with quality, reliability, and attention to detail.

4,1
4,1
100%

Hyderabad, India
$10 USD pro Stunde
• 8+ years of experience in full stack Software development life cycle involving Analysis, Design, Development, Deployment. - Excellent skills in MEAN, MERN, MEVN stacks. *Front-end: - HTML, HTML5, JSON. - JAVASCRIPT (Ajax, AngularJS / 2 / 4 / 5 / 6 / 7 / 8, ReactJS - Redux, Jquery),VUE.js,ASP.NET. - CSS, CSS3, Twitter Bootstrap, Less, Sass, Scss, Responsive, Material. - Mobile apps: React Native,Ionic. *Firebase Service: Authentication, Cloud firestore, Realtime DataBase, storage, hosting, functions, Cloud messaging, Dynamic Links AWS Service: ec2, s3 storage, SES, Code commit, Amazon Rekognition, RDS, Dynamo DB, AWS AppSync *Backend Skills: - Python (Django), ROR, Node.js, C#, Graph QL - MVC, OOP, CURL, MongoDB, Postgres, MySQL, Rest APIs. *Other skills: - Git, Heroku, SVN, Bitbucket, HG, Linux, Mac - AMZ S3, AWS EC2 https://cakconsultinggroup.com/ https://onlinewebapplication.com/ https://amritaaz.com/ https://www.icccricketschedule.com/

4,9
4,9
86%

Florencio Varela, Argentina
$28 USD pro Stunde
Twelve years of experience developing and generating Java JEE architectures. Seven years of experience in systems integration and BPM using SOA ESB patterns under Websphere platform, Sun OpenESB , JBPM and WSO2 I am skilled in the areas of Custom Application Development, Application Integration,Business Process Automations, B2B and B2C application development in both web based and client server architectures. I am certified in technologies including but not limited to Java, J2EE, Struts,Hibernate, JSF, JSP, AJAX, XML, PHP, MySQL, MS-SQL,Oracle, HTML, DHTML, and rational tools on both UN IX and Windows platforms. My prime objective is client satisfaction and the fulfillment of their needs & our experience is evident in every project we accomplish. During the project development process you will be able to communicate directly with me via phone, email and Skype if preferred. I will provide you a weekly status report on your project.

2,4
2,4
100%

Shikarpur, Pakistan
$10 USD pro Stunde
Since 2015, I have been developing my coding and testing skills in a few professional environments and have created and implemented efficient applications and programs in some industries I am proficient in Spring, Hibernate, Struts2 , IBM IIB/ACE, IBM MQ , MyBatis Java EE frameworks and I also worked extensively with other programming languages, such as Python and SQL. I offer the following highlights to display my achievements and reinforce my abilities: • Worked on many different projects in multiple technologies. • Managed the development of prototypes and mockups for Business Associates • Designed and developed software solutions for various clients for Consulting Partners • Awarded as the 1st position in Final year project Exhibition. • Awarded Employee of the year at Sapphire Consulting Service Pvt Ltd. I feel that by assuming Software Developer roles in my positions at your company. I built a strong combination of technical and leadership skills that will prove to be an asset to your company. My 5 years of experience in this field has strengthened by analytical, troubleshooting and problem-solving skills to the level that has led me to see many software development projects to successful completion, from design to implementation. I look forward to speaking with you more about my qualifications. Thank you for your consideration.
An IBM WebSphere Transformation Tool Professional is a specialist who designs, builds, and maintains data transformation maps using IBM WebSphere Transformation Extender (WTX), enabling complex data interchange between disparate systems, formats, and standards. These freelancers translate raw business data into validated, structured outputs that downstream applications, partners, and regulators can consume reliably. Hiring an IBM WebSphere Transformation Extender expert on Freelancer.com gives you direct access to certified middleware talent capable of solving high-volume integration challenges across finance, healthcare, logistics, and supply chain.
WTX (formerly Mercator) sits at the heart of mission-critical data transformation pipelines. A skilled WTX consultant builds the type trees, maps, and runtime configurations that move data between EDI, XML, JSON, fixed-width, COBOL copybooks, SWIFT, HL7, NACHA, and proprietary formats without information loss.
The commercial value is concrete: fewer failed transactions, cleaner audit trails, and faster onboarding of trading partners. A freelance WTX developer reduces the manual reconciliation work that bleeds engineering hours and slows partner integrations.
Typical deliverables include:
An experienced WTX freelancer should be fluent in the full IBM transformation ecosystem and the surrounding integration stack. Look for hands-on work with:
WTX is dominant in environments where regulatory data formats and high transaction volumes intersect. Common use cases include:
Strong candidates demonstrate a portfolio of completed maps across multiple standards, not just one industry. Look for evidence of full-lifecycle work: requirements analysis, type tree design, map development, unit testing, performance tuning, and production deployment. IBM-issued credentials, prior consulting engagements with banks or healthcare providers, and contributions to map migration projects are reliable signals.
Ask candidates to walk through a real map they built, including the design choices behind the type tree structure, validation rules, and error handling strategy. Sample interview questions you can use directly:
WTX is a niche skill, and finding qualified specialists locally is often impossible. Freelancer.com gives you access to a global pool of WebSphere Transformation Extender developers, EDI consultants, and middleware architects with verified profiles, client reviews, and portfolios you can inspect before awarding work. Whether you need a short engagement to build a single map or a long-term consultant to migrate hundreds of legacy transformations, you can post a project on Freelancer.com and receive competitive bids within hours. Clients set their own budgets, evaluate freelancers on Freelancer.com against transparent ratings, and pay only when milestones are approved.
Ready to move legacy formats, onboard new trading partners, or modernize your transformation pipeline?
Hiring a WTX specialist is straightforward when your brief reflects the technical realities of the work. Because WTX projects depend heavily on file specifications, partner standards, and existing infrastructure, the more concrete information you publish upfront, the higher the quality of bids you receive. Follow the three steps below.
The project post is the single biggest determinant of bid quality. A vague brief attracts generic proposals, while a precise brief filters for freelancers who actually know WTX, EDI, HL7, or SWIFT at the depth your work requires. Head to the
Bids on a WTX project are short technical proposals, not just price quotes. Strong candidates will reference the specific standards in your brief, raise sensible clarifying questions, and propose a realistic approach to type tree design, validation, and testing. Read each proposal carefully and use Freelancer.com's chat to probe technical depth before shortlisting.
The final decision combines proposal quality with profile evidence. For WTX work, weigh consistency across multiple completed projects rather than a single impressive map, since partner integrations require sustained reliability. Review portfolios, client reviews, and verified credentials before committing.
WTX is a transformation engine focused on converting data between formats using maps and type trees. Sterling B2B Integrator is a broader partner-management and process-orchestration platform that often calls WTX maps as part of its workflows. Most enterprise integrations use both together.
Yes. Many freelancers on Freelancer.com take on short engagements such as upgrading legacy Mercator maps to current WTX versions, building a single EDI or HL7 map, or troubleshooting a failing production transformation. Define the input format, output format, and partner specifications clearly in your brief.
If your scope is map development, type tree design, or runtime tuning, a WTX specialist is sufficient. If you also need messaging design, partner onboarding, or orchestration across multiple middleware tools, look for a freelancer with combined WTX, IBM MQ, and Sterling experience.
A single moderately complex map can often be built and tested within one to two weeks, while a full partner onboarding or migration program can run several months. Timelines depend on the number of maps, the complexity of the source and target formats, and the availability of test data and partner specifications.
Share the source and target file specifications, sample data files, partner implementation guides, validation rules, and any existing maps or type trees. The clearer the input artifacts, the faster a freelancer can scope the work and produce reliable transformations.

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