
Closed
Posted
Paid on delivery
I need a tailored software tool that lets me manage FIDIC-based construction contracts from start to finish. The core objective is streamlined contract management, so every module should speak the language of the FIDIC Red and Yellow Books and handle the day-to-day administration that comes with large site works. Key functions I want built in: • Change order management – log variations, attach supporting documents, and route them for approval with a full audit trail. • Progress tracking – record site progress against the contract programme and instantly see earned value vs. plan. • Payment scheduling – generate interim payment certificates, track retention, and flag upcoming milestones. The system must handle multiple projects at once, support role-based access for engineers, contractors, and the client’s commercial team, and export data to Excel and PDF. A clean web interface (React or similar) backed by a robust database (PostgreSQL, MySQL, or another open-source option) would be ideal, but I’m open to your suggested stack as long as it is easy to maintain on a standard VPS. Deliverables: 1. Functional prototype demonstrating the three core features. 2. Source code with clear installation instructions. 3. Brief user guide so our team can get started without extra training. If you have previous experience with FIDIC contracts or construction ERP modules, please highlight it—those insights will help us get to a working solution faster.
Project ID: 40600711
241 proposals
Remote project
Active 5 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
241 freelancers are bidding on average $522 USD for this job

Hello, Having been a key part of multiple end-to-end software development projects, I believe I possess the necessary skills to tackle your FIDIC Contract Management Software requirements. My proficiency in C# Programming and PHP align well with your preferences of a clean web interface backed by a strong database, making the management process easier. At our firm, we have successfully developed and designed websites using similar latest technologies that will ensure streamlined contract management fulfilling changing needs with utmost efficiency. Apart from having developed ERP modules in the past, my team and I are committed to extensive research and stay up-to-date on evolving industry standards to consistently improve our service delivery. Hence, integrating the specific functionalities you mentioned (like change order management, progress tracking and payment scheduling) won't be a problem for us. What sets us apart is our undeterred commitment to client satisfaction, evidenced by numerous positive feedbacks-- and our ability to transform complex ideas and demands into tangible deliverables. I assure you that not only will we provide you with functional prototype, source code and user guide as discussed, but also remain available post-delivery for any queries or support needed. To summarize, put your trust in our efforts and let's together add that WOW factor to your project that takes it to new heights. Thanks!
$450 USD in 3 days
8.6
8.6

Hi, I've built contract management systems for construction teams before. Your FIDIC tool needs solid database architecture and a clean interface to handle complex contract workflows — that's exactly what we do. I noticed you need this to work from start to finish across the full contract lifecycle. We can build a web app that keeps all your contract data organized and accessible. I have delivered 1500+ web and mobile projects over 14+ years — happy to share relevant examples. Let's talk through your requirements. Regards, Nurul Hasan
$450 USD in 21 days
8.7
8.7

Hi — Elias here from Miami. I see you're looking to develop a tailored tool for managing FIDIC-based construction contracts. This requires not just a functional interface but also a solid foundation to handle the complexities of contract management. A common issue in systems like this is ensuring reliability and maintainability as contract details evolve. What usually matters most is the ability to scale your tool to accommodate various user roles and permissions, along with potential integrations. The tricky part is ensuring that your system can adapt to future changes without major overhauls. My approach involves structuring the application with a modular architecture, focusing on a clear separation of concerns. This enhances stability and simplifies future updates. I have experience with similar systems that required intricate user permissions and automated workflows, ensuring they remain efficient and user-friendly. A few questions to better understand the scope: Q1 – What specific features do you envision for user roles and permissions? Q2 – Are there any existing systems you plan to integrate with? Q3 – What are your expectations regarding the scalability of the application? Happy to discuss the details and suggest the best technical approach. Looking forward to hearing from you.
$500 USD in 5 days
8.6
8.6

Hey, I will build your FIDIC contract management tool with three core modules: change order tracking with document attachments and approval routing, earned value progress tracking against the contract programme, and interim payment certificate generation with retention logic. Everything will follow Red and Yellow Book terminology and workflows. On a recent construction management build, structuring the audit trail around clause references (not generic status labels) made compliance reviews significantly faster. I will apply the same approach here. Questions: 1) How many concurrent projects should the prototype support at launch, and do they share one set of user roles or each have independent access controls? 2) Do you already have a VPS provider in mind, or should I include a Docker setup for flexible deployment? Ready to start whenever you are. Kamran
$285 USD in 10 days
8.6
8.6

Hi, I'm a senior developer with 20+ years of experience delivering enterprise contract and project management systems, including FIDIC-based workflows. I'll build a React frontend with PostgreSQL backend, structured around the exact modules you need: change orders with full audit trails, progress tracking against contract programmes with earned value calculation, and automated interim payment certificates including retention tracking. Role-based access will enforce permissions for engineers, contractors, and commercial teams, with exports to Excel and PDF. Deployment will target a standard VPS with clear setup instructions and a minimal user guide covering the core workflows. I'll model the data schema directly from FIDIC Red/Yellow Books to ensure compliance. I can start immediately after reviewing any existing materials.
$250 USD in 8 days
7.9
7.9

Hi, I have strong experience with Php, Laravel and Code ignitor. I’ll develop robust and secure web application just the way you want. I can handle any updates you need. You can check my reviews to see the quality of my work, I will share my previous application in private chat. Lets connect in chat so that We discuss further. With Regards, Sai
$300 USD in 10 days
7.8
7.8

A FIDIC contract tool only earns trust if the modules genuinely speak the language of the Red and Yellow Books — variations, IPCs, retention, and a defensible audit trail — so that's how I'd architect it, not as a generic project tracker. I'd build a React front end on a Node/Express (or Django) API with PostgreSQL, chosen because contract admin needs relational integrity for the audit trail and money calculations. The three core modules: change-order management where variations are logged with supporting documents and routed through an approval chain that records every action; progress tracking against the contract programme with earned-value (BCWP vs. BCWS) visibility; and payment scheduling that generates interim payment certificates, tracks retention, and flags upcoming milestones. It'll handle multiple projects with role-based access for engineers, contractors and the commercial team, plus Excel and PDF export, all deployable on a standard VPS. I'll start with a functional prototype of those three features so you can validate the FIDIC logic early, then deliver source code with install instructions and a short user guide. I can start right away.
$250 USD in 1 day
7.6
7.6

Hi, I have not built a FIDIC-specific tool before, but the core of what you need, multi-project records with role-based access, approval routing, and full audit trails, is work I do often. On a recent project we built an event platform with OAuth-based roles, a Laravel backend, and staged workflows across a two year engagement. ADFW: web and mobile platform for Abu Dhabi Finance Week. One decision to settle early: do you want the interim payment certificate to auto-derive earned value from progress entries, or stay a manual figure the commercial team signs off? That changes how tightly progress and payment modules couple. Since this is fixed, I'd start with a milestone for the change order module so you only release on delivered, working code. What FIDIC clause version are you standardizing on? Adil
$275 USD in 7 days
7.5
7.5

HELLO, WE HAVE WORKED ON SIMILAR CONSTRUCTION ERP, CONTRACT MANAGEMENT, AND APPROVAL WORKFLOW PLATFORMS AND CAN SHARE RELEVANT EXAMPLES. I have carefully reviewed your requirements and understand that the goal is a FIDIC-specific contract administration platform aligned with the FIDIC Red and Yellow Books, focusing on variation/change management, progress tracking against the programme, interim payment certification, retention tracking, audit trails, and multi-project commercial administration. I have 8+ years of experience in React, Node.js/FastAPI, PostgreSQL, workflow automation, role-based enterprise systems, document management, approval routing, Excel/PDF export, and construction-focused software development. I can build a maintainable web application that runs on a standard VPS and is designed for engineers, contractors, consultants, and client commercial teams. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT, COMPLETE SOURCE CODE, INSTALLATION DOCUMENTATION, A USER GUIDE, AND ASSISTANCE THROUGH PROTOTYPE DELIVERY, TESTING, AND VPS DEPLOYMENT. I am confident in my ability to deliver a practical FIDIC contract management solution that reflects real construction administration workflows and can be expanded into a full commercial management platform over future phases. Thanks, Christina
$300 USD in 7 days
7.6
7.6

Managing FIDIC contracts gets difficult when variations, progress, and payment certificates are tracked separately, because they quickly fall out of sync across multiple projects. I'd build the prototype around those three workflows first so they share the same contract data, approval history, and project timeline from day one. For a maintainable VPS deployment, I'd keep the architecture straightforward: a React frontend, an open-source relational database, and a backend that cleanly separates projects, contract records, users, and document attachments. For change orders, every approval step should be stored as immutable audit entries rather than overwriting the previous state, which makes later reviews much easier. One thing I'd also include is configurable FIDIC reference fields instead of hard-coding clauses, making future updates easier if your contract templates differ. Have you already standardized on the Red/Yellow Book editions you'll be using, or should the system support both from the start?
$500 USD in 7 days
7.3
7.3

Hi. To build this FIDIC contract management tool, I would structure it as a clean React frontend with a Node.js/Express API and PostgreSQL backend, so your team gets a maintainable system on a standard VPS. I’ll model the workflow around FIDIC Red and Yellow Book processes: variation logging, approval routing, progress/EVM tracking, and interim payment certificates with retention handling. The core modules will include role-based access for engineers, contractors, and commercial staff, plus Excel/PDF export for reporting and audit-ready records. I’ll keep the architecture modular so you can extend it later for more contract administration features without rework. As a Senior Software Engineer, I have mastered React, Node.js, Express, PostgreSQL, PDF/Excel generation, and RBAC systems and have strong experience in construction ERP modules and workflow-based business software. I am sure I can deliver high-quality results within a realistic prototype timeline. I will focus on a working prototype first, then package the source code with clear setup steps and a brief user guide so your team can use it immediately. Let’s get in touch and discuss more. Thanks.
$520 USD in 28 days
6.5
6.5

Hello, My work includes Software Architecture for workflow systems with approvals, audit trails, document storage, and role-based access. This fits your FIDIC contract tool, especially variation logs, progress tracking against the programme, and interim payment certificates. I would shape the prototype as a clean React Web Development project with a MySQL database that supports multiple projects, engineers, contractors, and commercial users. The first version would cover the three core modules, Excel and PDF exports, VPS setup instructions, and a short user guide for your team. Best regards, Teo
$300 USD in 3 days
6.5
6.5

Hi, I recently worked on a construction workflow platform where contract approvals, payment tracking, and document history were managed in one system. I can build your FIDIC-based platform using React, Python/Django or Node.js, with PostgreSQL, role-based access, audit logs, and PDF/Excel exports. The design will keep contract changes, progress, and payment certificates simple to manage while making future modules easy to add. I like building software around real project workflows instead of forcing users to change how they work. One question: do you already have standard FIDIC document templates, or should those be generated dynamically inside the system? Best regards, Dev S.
$700 USD in 5 days
6.5
6.5

Greetings! I specialize in **custom web application development**, backed by a team of **62 professionals with 9+ years of experience**. We can build a FIDIC-focused contract management system with scalable architecture, role-based access, and complete project tracking. Here’s how we can help: * Build variation/change order management with audit trails. * Develop progress tracking and earned value reporting. * Create payment certificate and milestone management modules. * Implement React-based UI with PostgreSQL/MySQL backend. * Add Excel/PDF exports, documentation, and user guides. A few quick questions: 1. Do you have existing FIDIC workflows/templates to follow? 2. How many user roles and project sizes should the first version support? We can deliver a functional prototype and scalable foundation for future expansion.
$500 USD in 7 days
6.2
6.2

Hi, I can build a FIDIC contract management system that handles change orders and progress tracking while keeping the workflow strict to contract clauses. I’ve worked on a document-heavy workflow system before where we had to enforce approval chains before any change could move forward—turned out to be the only way to avoid conflicts on site. I’d approach this with a role-based backend using Node.js and PostgreSQL because it keeps the audit trail clean while avoiding slow monolithic setups. The biggest improvement will come from keeping the contract logic in the database so future updates don’t require code changes. I always keep the first deployment isolated to one project and test approvals with real users before rolling out further, so you’ll see risks minimized early. The goal is a system that reduces disputes by making every step traceable and predictable for all parties. Happy to discuss how we can tailor the stack to your VPS setup. I can start right now. Thanks, Denis.
$400 USD in 5 days
6.3
6.3

As a seasoned full-stack developer with an impressive range of technical skills, I am confident in my ability to deliver a solution that exceeds your expectations. I have extensive experience in web development using technologies like React, Node.js and databases including MySQL and PostgreSQL among others - absolutely suitable for the functionality you require. My focused approach to software development with an emphasis on performance and maintainability will ensure a streamlined and efficient platform meets your needs. Additionally, my previous experience with ERP modules and business solutions will come into play as I tailor the software meticulously to match your FIDIC contract management requirements. This includes the vital functions like change order management, progress tracking, payment scheduling and the crucial feature of supporting multiple projects simultaneously. Not only will the software speak the language of the FIDIC Red and Yellow Books but it will facilitate smooth communication between all stakeholders — your engineers, contractors, and commercial team.
$250 USD in 1 day
7.0
7.0

Hello! We can build you a tailored web solution for FIDIC contract management. 1. Which feature should be included in the prototype first? 2. Do you have any existing contract workflows or sample documents to follow? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$500 USD in 7 days
6.7
6.7

Your payment certificate workflow will fail audit if you cannot trace every variation back to the original contract clause and approval chain. FIDIC Red Book requires immutable records for dispute resolution, which means your database schema must enforce referential integrity at the transaction level, not just application logic. Quick questions - will you need multi-currency support for international projects with fluctuating retention calculations? And what is your expected concurrent user load during month-end certificate generation when all PMs hit the system at once? Here is the architectural approach: - PHP + MYSQL: Build a normalized schema with separate tables for contract baselines, variation orders, and payment events linked by foreign keys to preserve the audit trail FIDIC auditors expect. - PROJECT MANAGEMENT: Implement earned value calculations using stored procedures so progress vs. plan updates in real time without recalculating historical data on every page load. - SOFTWARE ARCHITECTURE: Design role-based access control with row-level security so contractors see only their packages while the client's commercial team has read access across all projects without data leakage. I have built compliance-heavy contract systems for infrastructure clients where a single missing approval signature triggered six-figure disputes. Let's schedule a 20-minute call to map your FIDIC clause structure to the database design before we write a line of code.
$450 USD in 10 days
6.6
6.6

Hello There! I’m Md. Toriqul Islam, and I’m excited to partner with you. I can dive into your project immediately. I have rich experience in custom web applications, ERP systems, project management platforms, workflow automation, and database-driven solutions. I am skilled in React, Node.js, Laravel, PHP, Python, PostgreSQL, MySQL, role-based systems, and reporting modules. I understand you need a FIDIC-based construction contract management system with variation/change order management, progress tracking, payment scheduling, multi-project support, role-based access, and Excel/PDF reporting. I’ll build a scalable web solution with a clean interface, robust database architecture, and maintainable code suitable for deployment on a standard VPS. My expertise in full-stack development, ERP workflows, dashboards, and business automation ensures a reliable and efficient platform. I’m ready to start immediately. Feel free to share your detailed workflow or ask any questions. Looking forward to hearing from you. Best regards, Md. Toriqul Islam
$250 USD in 4 days
6.3
6.3

With over 8 years of Full Stack Development experience, including strong skills in PHP, MySQL and Web Development, I'm confident that I can build the perfect FIDIC Contract Management Software solution to match your needs. Despite no direct experience with construction ERP modules, my adaptability and proficiency have been proven through delivering scalable, secure solutions time and again. Using my extensive experience in Web and API Development and Integrations, I can deliver a functional prototype that demonstrates all your key functions. My expertise in C# Programming will allow me to create an intuitive web interface and a reliable backend utilizing the appropriate database option for your needs. My goal is to make it easy for you to maintain the software on a standard VPS with clear installation instructions and a brief user guide that empowers your team from day one. Choosing me means investing in a freelancer who has collaborated on over 200 successful projects, consistently delivering fast results without sacrificing quality or leaving any concerns about long-term support behind. Together, we can turn your vision of streamlined FIDIC contract management into a reality. Let's get started!
$450 USD in 7 days
6.4
6.4

Birkerød, Denmark
Payment method verified
Member since May 1, 2016
€6-12 EUR / hour
€250-750 EUR
€5000-10000 EUR
₹75000-150000 INR
$1500-3000 USD
₹12500-37500 INR
€30-250 EUR
$750-1500 USD
$3000-5000 AUD
$30-250 USD
€250-750 EUR
₹600-1500 INR
₹12500-37500 INR
min £36 GBP / hour
$250-750 USD
$2500 USD
₹1500-3500 INR
₹1500-12500 INR
₹1500-12500 INR
₹100-1500 INR / hour
$15-25 USD / hour
min $50 USD / hour
$250-750 CAD
$750-1500 USD
min €36 EUR / hour