
In Progress
Posted
Paid on delivery
TERMS OF REFERENCE (TOR) SUMMARY Project Name: Chwezi MVP Platform Build Position: Lead Full-Stack Developer / Technical Project Lead (Individual or Agile Freelancer) Engagement Type: Fixed-Scope, Milestone-Based Timeline: 8 Weeks (Strict) Budget: $5,000 USD Maximum (Fixed-Price, all-inclusive) Project Overview Chwezi is an emerging cross-border trade and logistics platform for the East and Central African corridor. We are building a multi-sided ecosystem (Web Platform + iOS & Android Mobile Apps) that replaces fragmented, informal trade with real-time tracking, digital customs compliance, and a secure escrow payment system. We require an elite, highly experienced Lead Full-Stack Freelancer who can take our existing wireframes/designs and drive the build from day one. You will own the core architecture and backend, with the flexibility to outsource/subcontract specialized components (such as UI/UX polishing or localized QA) to your own trusted network to guarantee delivery within our strict 8- week timeline. 4 Core User Roles to Support • Client (Importers/Exporters): Post cargo shipments, match with partners, track loads, manage payments. • Clearing Agent (Licensed Customs Pros): Accept jobs, upload digital customs declarations, facilitate duty payments. • Transporter (Fleet Operators & Drivers): Accept loads, broadcast live GPS tracking, upload proof of delivery. • Admin (Internal Chwezi Team): Escrow oversight, KYC/credential verification, dispute resolution, corridor analytics. Technical Scope & Critical Integrations We are not dictating a specific stack. We expect the Lead Developer to choose a highly efficient, production-ready framework (e.g., Node.js/Python backend with Flutter/React Native for mobile, or a robust modern full-stack ecosystem) optimized for fast deployment. • Payment Gateway: Native integration with Mobile Money (M-Pesa, Airtel Money) and Card payments via Flutterwave or Pesapal. • Comms & SMS: Multi-country SMS delivery via Africa's Talking; push notifications via Firebase. • GPS Mapping: Real-time cargo tracking via Google Maps Platform or Mapbox (requiring efficient background location refreshes on the mobile app). • Security: Compliance with OWASP Top 10, TLS/AES-256 encryption, and multi-factor authentication (MFA) for financial and escrow releases. • Infrastructure: Scalable cloud hosting (African region preferred, e.g., AWS Cape Town). Private GitHub ownership transferred to Chwezi from Day 1. 8-Week Milestone & Payment Schedule Payment will be strictly tied to successful staging deployment and sign-off at the end of each 2- week sprint: Milestone Timeline Core Focus Required Deliverable for Release Milestone 1 Weeks 1–2 Architecture & Setup Approved architecture design, database schema, and live staging environment. Milestone 2 Weeks 3–4 Auth, KYC, & Matching Multi-role user onboarding, registration, and core shipment matching engine functional on staging. Milestone 3 Weeks 5–6 GPS, Escrow, & Customs Live map tracking, sandbox escrow funding/release, and digital document vault operational. Milestone 4 Weeks 7–8 Mobile, Admin, & Go-Live Mobile apps published, internal admin panel live, security/QA verification, and production launch. Candidate Requirements • Proven Delivery: Must showcase at least 2 successfully shipped multi-sided platforms, logistics ecosystems, or fintech products. • Regional Integration Experience: Deep, hands-on experience integrating East African payment and communication APIs (M-Pesa, Flutterwave, Africa's Talking). • Resourcefulness: Strong technical project management skills with a proven track record of managing/subcontracting supporting developer resources to hit tight deadlines. • Availability: Must be ready to clear bandwidth and kick off development within 48 hours of contract award. Submission Requirements for Platform Consultants Please provide a concise proposal including a recommended tech stack approach, links to relevant shipped code/platforms, a confirmation of the $5,000 maximum budget milestone alignment, and your immediate availability for a 30-minute technical interview. "We are looking for an individual Technical Lead / Senior Architect who operates as a premium freelancer and handles their own subcontracting team, rather than a traditional corporate agency.
Project ID: 40539332
131 proposals
Remote project
Active 22 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
131 freelancers are bidding on average $4,785 USD for this job

I’ve helped build multi-sided logistics platforms before, including real-time tracking and payment flows for East African corridors. I understand the urgency and complexity of integrating M-Pesa, Flutterwave, and Africa’s Talking while ensuring security measures like TLS and MFA for escrow management. For this, I’d recommend a Node.js backend with React Native mobile apps to speed delivery and maximize cross-platform coverage. MongoDB or PostgreSQL would provide the flexible schema needed for multi-role user data. Cloud hosting on AWS Cape Town fits latency and regional compliance needs well. A clear priority will be setting up a modular architecture early to support swift iterations across milestones. How do you prefer managing the handoff and feedback for subcontracted UI/UX and QA work? Also, do you have existing API keys for the payment and SMS providers, or should I assist with setup? The timeline and $5,000 budget align with my planned phased milestones. I’m ready to clear my schedule and start within 48 hours. Let’s connect for the technical interview and get the architecture approved so development can begin on week 1.
$10,000 USD in 7 days
5.2
5.2

As an experienced and passionate Full Stack Developer with a solid 5+ years immersed in the website and application development industry, I believe I have the perfect blend of skills and qualities to be your go-to freelancer for this crucial Chwezi project. Having traversed multiple versatile platforms in my career, including business websites, SaaS applications, and e-commerce solutions, I undeniably possess a commendable understanding of the intricate cross-border trade and logistics realm you aim to revolutionize. I comprehend the tempo by which schedules must be met and deadlines keenly followed as part of my professional code. Moreover, my solid experience integrating API's specifically within East Africa like M-Pesa, Flutterwave, and Africa's Talking mirror your project's requirement. With profound insights garnered through active participation in numerous successful multi-sided platforms, system architecture remains one of my core strengths. Lastly, my adeptness in security protocols including OWASP Top 10, TLS/AES-256 encryption plus multi-factor authentication are skills that would enable me to ensure Chwezi is as secure as Fort Knox. I bring dedication to quality, commitment to timely delivery and most importantly, a sincere enthusiasm about introducing a reception-changing product that uplifts the logistics industry at its core. Feel free to reach out so we can discuss your Chwezi dream!
$3,750 USD in 7 days
5.3
5.3

Hello! As per your project post, you are looking to build the MVP of Chwezi Trade and Logistics Platform that connects importers, exporters, clearing agents, transporters, and administrators through a unified web and mobile ecosystem. The platform will streamline shipment management, customs compliance, escrow payments, and real time cargo tracking while providing a scalable foundation for future growth across East and Central Africa. My focus will be on delivering a secure and scalable platform featuring multi role user management, shipment posting and matching, customs declaration workflows, escrow payment system, Mobile Money and card payment integration, live GPS cargo tracking, Firebase push notifications, SMS integration, KYC verification, dispute management, admin analytics dashboard, cloud deployment. I specialize in Flutter, React Native, Node.js, Python, scalable backend development, logistics platforms, real time GPS tracking, payment gateway integration, Firebase, cloud infrastructure, REST APIs, OWASP compliant security, and modern web application development. Let’s connect to discuss your MVP roadmap, technical architecture, and delivery milestones so we can build a secure and scalable logistics platform for cross border trade. Best regards, Nikita Gupta.
$2,500 USD in 45 days
5.4
5.4

I’m Juan Pablo, senior full‑stack engineer and technical lead, and I can deliver the full Chwezi MVP within the strict 8‑week schedule. I’ve shipped multi‑sided logistics + fintech platforms before, including GPS tracking, escrow flows, KYC, multi‑role dashboards, and East‑African integrations (M‑Pesa, Flutterwave, Africa’s Talking). I’m comfortable owning the full architecture and bringing in 1–2 subcontractors for UI polish or QA to guarantee delivery. My recommended stack: Node.js/NestJS backend, PostgreSQL, React Native for mobile, and React for the web platform. Real‑time GPS via Google Maps/Mapbox, secure escrow via Flutterwave/Pesapal, SMS via Africa’s Talking, and Firebase for push notifications. Infrastructure on AWS Cape Town with CI/CD, MFA, and OWASP‑aligned security. I confirm alignment with the $5,000 fixed budget and the 4‑milestone structure. I’m available to start within 48 hours and can walk you through architecture, schema, and sprint planning in a 30‑minute technical interview.
$5,500 USD in 20 days
4.5
4.5

Hello, I am ready to dive into your project immediately. I’ve led the development of multi-role platforms involving logistics, payments, real-time tracking, and mobile applications, with hands-on experience integrating M-Pesa, Flutterwave, Firebase, SMS gateways, and GPS tracking services into production systems. For Chwezi, I can establish a scalable architecture from the outset, deliver each milestone through staged deployments, and coordinate any supporting specialists required to ensure the shipment matching, escrow, customs documentation, and tracking workflows are completed within the defined sprint schedule. I want to discuss with you in more detail. Kind regards, Mojjammil
$3,750 USD in 7 days
4.3
4.3

You’re clearly trying to build more than an MVP here—you need the foundation of a logistics and fintech platform that can survive real-world trade operations from day one, while still fitting into a strict 8-week delivery window. My approach would be to lock the architecture, data model, deployment pipeline, and staging environment in the first sprint, because the shipment lifecycle, escrow flow, GPS tracking, and customs documentation all depend on getting those relationships right early. From there I’d build multi-role onboarding, KYC, and the matching engine before moving into live tracking, payment workflows, and document management. For this scope, I’d lean toward NestJS, PostgreSQL, React Native, Firebase, and AWS Cape Town to keep development fast without sacrificing reliability. I’ve led builds involving complex backend workflows and payment integrations, including Python and Node-based systems where auditability and transaction safety were critical. One thing I’d add early is event-driven tracking and notifications so users receive updates automatically instead of repeatedly checking shipment status. I’m available to start immediately and can align development to the milestone structure outlined in the TOR. Have the wireframes and user flows already been finalized, and do you have confirmed providers for M-Pesa/Flutterwave onboarding?
$3,500 USD in 20 days
4.1
4.1

As an accomplished and competent Full Stack Developer, I am adept at transforming ideas into fully-functioning solutions. With over 7 years of experience, I have successfully built and delivered numerous multi-sided logistics platforms that exhibit qualities found in Chwezi's project requirements. What sets me apart from others is my ability to work with any tech stack as per the project demands, choosing the most efficient framework that ensures robustness, scalability, and speedy deployment. Having integrated East African payment and communication APIs like M-Pesa, Flutterwave, and Africa's Talking in my previous projects, I possess hands-on experience crucial for seamless integration of the same into your system. I understand the importance of adhering to OWASP top 10 security standards and can assure you of stringent measures such as TLS/AES-256 encryption and multi-factor authentication (MFA), something that aligns well with your project predicaments. My previous experience in managing/subcontracting supporting developer resources to meet strict deadlines will prove advantageous for this time-constrained assignment. Throughout our collaboration, I pledge effective two-way communication so that not only do you receive regular updates but also get an insightful partner who can contribute towards smarter technical decisions that will pay off in terms of time and cost saving. Let's get started on Chwezi MVP Platform!
$5,000 USD in 7 days
3.5
3.5

A logistics MVP lives or dies on how well the dispatch and tracking pieces hold up once real orders start flowing. Most MVPs cut corners there and pay for it later when scaling becomes a rebuild instead of a tweak. I'd build the core around a clean API layer first, with order and tracking state handled in a way that won't fight you when you add drivers, routes, or live updates. I've architected systems handling 150+ external service integrations and hit sub-100ms response times under load using Go and gRPC. For an MVP that needs to prove itself fast, that foundation matters more than feature count. On the deployment side, I'd keep it simple to start: containerized services on managed Kubernetes, with monitoring in place from day one so you can actually see what's happening when the first real traffic hits. I did this for a fintech platform with 20+ microservices and cut MTTR by 60% in the process. Since this is fixed-price, I'd want to scope the MVP tightly so we ship something real within budget rather than spreading thin across half-built features. What's the most important thing this MVP needs to prove to your stakeholders or early users?
$5,000 USD in 7 days
2.9
2.9

Hello, I understand the importance of creating a seamless and efficient cross-border trade and logistics platform for Chwezi. As an experienced Lead Full-Stack Developer, I am confident in my ability to drive the project from inception to completion. My approach involves leveraging a highly efficient tech stack tailored to meet the project's specific needs. I will focus on developing a robust architecture and backend while ensuring smooth integration with essential components such as GPS mapping, secure payment gateways, and real-time communication channels. With a proven track record in delivering successful multi-sided platforms and fintech products, I am well-equipped to handle the complexities of this project. My regional integration experience with East African payment APIs and resourcefulness in managing tight deadlines make me a suitable candidate for this role. I am ready to kick off development within 48 hours of contract award and look forward to discussing further details during a technical interview. Best regards, Jayabrata Bhaduri
$7,500 USD in 7 days
2.0
2.0

Having successfully delivered over 416 projects, including complex multi-sided platforms and logistics ecosystems, I am confident in my ability to handle the Chwezi MVP Platform Build. My extensive experience in tech covers all aspects of web and mobile application development, UI/UX design, and even CRM solutions, hence I can perform the full range of tasks required for this project. This includes backend architecture, database design, GPS mapping, security implementation, as well as integrations with East African payment and communication APIs. Most importantly, I understand the significance of your project in revolutionizing the cross-border trade and logistics world in East and Central Africa. I'm committed to building a robust system that replaces fragmented, informal trade with real-time tracking - promoting convenience, security, and efficiency throughout the process. Client satisfaction is my guiding principle; let me show you how my skills can elevate your Chwezi MVP platform beyond expectation!
$5,000 USD in 7 days
0.4
0.4

Hey! As a seasoned full-stack developer with profound experience in building multi-sided platforms and fintech products, I am confident in my ability to successfully deliver the Chwezi MVP Platform within your strict 8-week timeline. My extensive portfolio boasts over 80 successful projects which involved API integrations - precisely what you need for East African payment systems like M-Pesa and Flutterwave. Rest assured, your project is in safe hands. Furthermore, I'm well-versed in implementing OWASP Top 10 security policies, TLS/AES-256 encryption and multi-factor authentication (MFA). The security and integrity of your platform is my utmost priority. Moreover, I have hands-on experience with Google Maps Platform or Mapbox for efficient real-time cargo tracking solutions - ensuring no stone is left unturned during development. Choosing me for your Chwezi MVP Platform build means opting for optimal technical proficiency, proficient project management skills, deep understanding of API integration peculiarities within Africa and a dedicated commitment to timeliness and efficacy. Let's turn this vision into reality!
$6,000 USD in 20 days
0.0
0.0

Hi! I can lead Chwezi MVP build end-to-end with a scalable Node.js (or Python) backend, React Native/Flutter apps, and full integration of M-Pesa, Flutterwave, Africa’s Talking, GPS tracking, and escrow system. I can start within 48 hours. Can we review scope so I can confirm an accurate estimate? Excited to work together! Best
$2,500 USD in 7 days
0.0
0.0

Hi I can lead the full-stack build of the Chwezi MVP as a hands-on technical lead, covering web platform, mobile apps, backend architecture, integrations, and deployment. The main technical challenge is coordinating four user roles, shipment matching, customs documents, live GPS tracking, escrow payments, KYC, and admin controls into one secure logistics workflow. My solution would use a production-ready stack such as Flutter or React Native, Node.js/NestJS or Python/FastAPI, PostgreSQL, cloud hosting, Firebase notifications, and a private GitHub workflow from day one. I would structure the platform around clear role-based dashboards for clients, clearing agents, transporters, and admins, with secure permissions and scalable database design. For integrations, I can implement Mobile Money/card payments through Flutterwave or Pesapal, SMS through Africa’s Talking, and real-time maps through Google Maps or Mapbox. I would also prioritize OWASP security, MFA for escrow actions, encrypted sensitive data, audit logs, and clean staging-to-production deployment. My goal is to deliver a focused MVP that is technically solid, easy to manage, and ready for future corridor expansion. Thanks, Hercules
$5,000 USD in 20 days
0.0
0.0

I'm Bashorun Bimbola Rasheed, and I believe I am the Full-Stack Developer you have been searching for. With my substantial 9+ years of experience in full-stack development, I have successfully pioneered the creation of multiple multi-sided platforms, including logistics ecosystems and fintech products. My diverse skillset will not only cater to your project's architectural and backend needs but also extend into specific areas such as GIS Mapping through Google Maps or Mapbox, which is essential for real-time cargo tracking that will empower your Chwezi MVP platform to transform cross-border trade and logistics in East and Central Africa. In addition to technical skills, I bring a valuable blend of proven delivery and deep regional integration expertise with APIs like M-Pesa, Flutterwave and Africa's Talking. Having successfully integrated East African payment and communication APIs into previous projects, I can guarantee a smooth and efficient integration process for Chwezi's desired payment gateway through Mobile Money (M-Pesa, Airtel Money) and Card payments via Flutterwave or Pesapal. Efficiency is Ruby Programming Language Moreover, my ability to manage/subcontract supporting developer resources while still keeping a firm hold on deadlines has often been commended by my clients. My track record shows that I am not afraid to be decisive when it comes to efficient resource allocation and ensuring successful project completion.
$3,750 USD in 7 days
0.0
0.0

Hi, I reviewed your TOR and the phased delivery aligns well with a milestone based execution model. I have experience leading full stack development for logistics, fintech, and marketplace platforms, including multi role systems, real time GPS tracking, escrow workflows, payment integrations, cloud infrastructure, and scalable REST APIs. I would recommend Flutter for iOS and Android, Node.js or FastAPI for the backend, PostgreSQL, and AWS with CI/CD for rapid, maintainable delivery. I can lead the architecture, manage specialized subcontractors when needed, and deliver each sprint with clean documentation and production ready code. Best regards, George
$3,750 USD in 7 days
0.0
0.0

Nairobi, Kenya
Payment method verified
Member since Jun 17, 2026
$15-25 USD / hour
$30-250 USD
€30-250 EUR
$250-750 USD
₹5000-7000 INR
₹1500-12500 INR
$2500-5000 USD
₹750-1250 INR / hour
$750-1500 AUD
$30-250 USD
$2-8 USD / hour
₹5000-15000 INR
₹12500-37500 INR
$30-250 USD
₹100-400 INR / hour
₹600-1500 INR
₹1500-12500 INR
₹30000-50000 INR
₹12500-37500 INR
₹12500-37500 INR