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I have a running IBM Integration Bus (IIB) solution whose original authors are no longer available. I now need a fresh set of eyes to walk through the entire codebase, reverse-engineer its behaviour and give me clear, usable documentation. Scope of the review • Message Flows – identify each flow, its triggers, routing paths and any embedded nodes or sub-flows. • ESQL Code – explain the purpose of every compute module, key procedures and variable mappings. • Integration Nodes – map out how the nodes are configured and how they interact with the wider runtime environment. What I am ultimately trying to understand is how the current implementation delivers our business logic. Along the way I would appreciate practical recommendations that could make that logic cleaner, faster or easier to maintain; pure optimisation work can follow later, but for now informed suggestions are enough. Deliverables 1. A structured document (Word, PDF or Confluence-ready) that covers: – Source and target systems for each flow – Step-by-step description of the business logic, transformations and decision points – Diagrams or screenshots where they help clarity 2. A separate section listing your improvement recommendations, each with a short rationale. 3. All artefacts you create (e.g., Visio, [login to view URL] or equivalent files) so we can update them in the future. Acceptance criteria • Every flow, ESQL module and integration node is referenced at least once in the documentation. • Logic descriptions are detailed enough for a new developer to pick up maintenance without extra guidance. • Recommendations are specific, actionable and mapped to the areas of code they affect. I will provide read-only access to the IIB project repository and the runtime environment; you can work with your preferred tooling as long as the final deliverables are in the formats listed above. If anything is unclear, let’s discuss it early so the handover is smooth for both of us.
Project ID: 40661194
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10 freelancers are bidding on average ₹752 INR/hour for this job

⚠️ IF YOU'RE NOT HAPPY YOU DON'T PAY ⚠️ I think we're a strong fit for your project. I specialize in Project Management, Technical Writing, Software Architecture, Documentation. For this brief (I have a running IBM Integration Bus (IIB) solution whose original authors are no longer available.) I would isolate the bottleneck, confirm acceptance criteria, and ship a clean, measurable fix you can verify in staging before it hits production. I'd keep the architecture simple, secure, responsive, and easy for you to manage after handover. Multiple 4.0-rated reviews on Freelancer (16 total), payment verified. I can start against a 7-day delivery window. I'd love to chat about your project! The worst that can happen is you walk away with a free consultation. Regards, N0VATECH
₹567 INR in 7 days
3.8
3.8

Hi I can reverse-engineer your IIB solution, document every message flow, ESQL module, integration node, routing path and business rule, with clear diagrams and actionable improvement recommendations. I’ll work from the repository and runtime to produce maintainable documentation that a new developer can confidently use. 1. Can you provide read-only access to the IIB repository and runtime environment? 2. Which IIB version and documentation format do you prefer—Word/PDF or Confluence-ready? if looking for expert then lets connect (expereince 7 yrs in development)
₹1,500 INR in 40 days
1.7
1.7

I can analyze your IBM Integration Bus (IIB) codebase and produce clear technical documentation covering message flows, transformations, dependencies, and integration behavior. * I’ll trace message flows/subflows, ESQL, mappings, nodes, schemas, queues/services, and external interfaces to document the complete processing logic and data flow. * I’ll capture error-handling paths, dependencies, configuration points, edge cases, and sequence/flow diagrams so the documentation is accurate enough for maintenance and knowledge transfer. The analysis will document the existing implementation without altering production behavior. Please share the IIB project/BAR source, IIB version, and your expected documentation format or sample.
₹400 INR in 40 days
0.0
0.0

Hi, I can reverse-engineer your existing IBM Integration Bus environment and turn the undocumented message flows, ESQL and integration nodes into clear, maintainable technical documentation. I’ll systematically review: Message flows, triggers, routing, nodes and sub-flows ESQL compute modules, procedures, mappings and transformations Integration node/configuration dependencies and runtime interactions Source/target systems and end-to-end business logic I’ll create flow diagrams where useful and document each decision point so a new developer can understand and maintain the solution without relying on the original team. I’ll also provide specific improvement recommendations with the affected flow/module and rationale. Deliverables will include the structured documentation plus editable diagram/source artefacts in a suitable format such as Draw.io. I can work with read-only repository and runtime access and start with a structured codebase assessment. Best regards, Vijay Kumar Dogra
₹750 INR in 40 days
0.0
0.0

Hello, I'm Bharghav, bringing over 10 years of experience in Software Architecture, specializing in navigating complex codebases to deliver precise and actionable insights tailored to the project's needs. I understand that you require a comprehensive analysis of your IBM Integration Bus (IIB) solution. My approach will involve thoroughly examining each message flow, ESQL module, and integration node. This includes mapping out triggers and routing paths, explaining the functionality of compute modules, and providing a clear overview of how the implemented business logic operates within your current environment. Along with this, I'll offer practical recommendations for optimization to enhance maintainability and performance. I’d love to chat about this project further to pinpoint specifics and ensure we align on your goals. Your vision for clear, usable documentation is something I can fully support, and I’m eager to contribute to a smoother handover process for you. Best regards, bhargav922002
₹525 INR in 3 days
0.0
0.0

Drawing on my 8+ years of experience and 90+ completed projects, I am confident I can provide you with the detailed and understandable documentation you're looking for. My skill set extends beyond simply meeting your expectations; it allows me to enhance your current implementation through practical recommendations for cleaner, faster, and easier to maintain codes. My work focuses on providing real value and solvency, which is why I always suggest practical improvements if needed. This isn't just a requirement checklist for me; it's an opportunity to make your code more efficient and functional for future use. In addition, I am proficient in various tooling that ensures the final deliverables are in the requested formats but also provides you with long-lasting flexibility. The analysis journey may be complex, but my approach remains straightforward: I review, suggest improvements, listen to feedbacks and refine accordingly. Your project aligns perfectly with my core competencies in reverse engineering. I understand the significance of leaving no stone unturned in executing thorough analysis which is exactly what you need for your IBM IIB codebase. Let's work together to ensure every flow, ESQL module, and integration node are exhaustively covered, while providing enduring artifacts and comprehensive improvement recommendations for swift hands over and future development.
₹400 INR in 40 days
0.0
0.0

Hi, I can analyze your existing IBM Integration Bus solution and turn the current implementation into structured, maintainable technical documentation. I will begin by mapping the message flows, subflows, triggers, ESQL compute modules, variable mappings, source and target systems, error paths, dependencies, and runtime configuration. The deliverables will include step-by-step business logic descriptions, editable architecture/sequence diagrams, and actionable recommendations mapped to the relevant code areas. I recommend starting with a capped discovery phase so the number of flows and modules can be confirmed before the complete documentation estimate is finalized. I will preserve the current production behavior and work only with the read-only access provided. Please confirm the IIB/ACE version, approximate number of message flows, and whether the repository includes BAR source, ESQL, mappings, and deployment configuration. Best regards, Rui
₹400 INR in 40 days
0.0
0.0

Hello, Coming from an IT and architecture background, I have extensive experience working with technical systems, engineering teams, structured technical deliverables and client-facing documentation. I am comfortable analysing complex implementations, understanding their underlying business logic and translating that understanding into clear, maintainable technical documentation. I can contribute through: • Reverse-engineering message flows, routing, transformations and sub-flows • Analyzing ESQL compute modules, procedures, mappings and dependencies • Documenting business logic, decision points and end-to-end processing • Creating clear architecture/flow diagrams and maintainable documentation One detail would help me understand the scope: Could you provide an approximate indication of the size of the IIB solution—for example, the number of message flows, ESQL modules or integration nodes involved? If exact numbers are not known, a representative repository structure or overview would also be helpful. Upon assignment, I would first review the repository, runtime environment, requirements and documentation expectations, understand the scope and workflow, and then proceed with the detailed reverse-engineering and documentation. I can start within two days of assignment and look forward to discussing the requirements and getting started.
₹900 INR in 45 days
0.0
0.0

IBM ACE (App Connect Enterprise) Integration Specialist | 14+ Years in Banking & Payments Integration architect with 14 years of hands-on experience designing, building, and migrating enterprise integrations on IBM ACE v12, IIB v9/v10, and IBM MQ. I specialize in banking and payments integration — including SWIFT, ISO 20022 (pain.001, pacs.008, camt.052/053), Fawran, Western Union, AFAQ, and mPay — across banks in Qatar, South Africa, Kenya, Ethiopia, and the US. IBM certified in ACE v12 and API Connect 10.0.3 Solution Implementation. I’ve led IIB-to-ACE v12 migrations, built FIS/PRIME and DataPower integrations, and I’m currently extending into containerized ACE deployments on CP4I/OpenShift. What I can help with: • IBM ACE / IIB message flow design, development, and migration (v9/v10 → v12) • IBM MQ setup, queue management, and troubleshooting • IBM API Connect implementation and API-led connectivity (System/Process/Experience layers) • ISO 20022 message mapping and transformation • Payment system integrations (SWIFT, real-time payment rails, core banking connectors) • Multi-country, regulated banking environments Regards, Kishore
₹1,500 INR in 15 days
0.0
0.0

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