Uweis Salim
Nairobi
Summary
Skilled Software Engineer specializing in high-availability Node.js backend services. Designs secure REST APIs and optimizes performance, driving enterprise integrations through cross-functional collaboration. Develops transaction-safe financial workflows, ensuring reliability and efficiency in complex systems.
Overview
11
11
years of professional experience
Work History
Software Engineer / Backend Engineer
Freelance Consultant
Nairobi
01.2015 - Current
- Designed and implemented high-availability Node.js backend services supporting enterprise-grade workflows across finance, logistics, IoT, and operations.
- Developed and maintained secure REST APIs for web, mobile, and third-party systems, enhancing integration and data exchange.
- Led enterprise integrations with banking platforms, ERP systems, payment gateways, and external vendors.
- Developed transaction-safe financial workflows, including reconciliation, reporting, and automated accounting pipelines.
- Collaborated with product, frontend, and operations teams to transform business requirements into scalable system designs, facilitating seamless workflows.
- Enhanced system reliability and performance through structured error handling, logging, and optimization practices, contributing to overall system stability.
Education
Artificial Intelligence & Machine Learning Certificate - Applied Machine Learning, Forecasting & Predictive Modeling, Data-driven Decision Systems
MIT/MDSS
Remote11-2022
Skills
- Nodejs
- Expressjs
- RESTful API design & versioning
- Authentication & authorization
- Middleware design
- Async programming
- Performance optimization
- Error handling
- Secure financial and transactional workflows
- Reactjs
- Component-based UI architecture
- API consumption
- State management
- PostgreSQL
- MySQL
- MongoDB
- Relational data modeling
- Query optimization
- Reporting
- Odoo ERP
- Banking & financial APIs
- M-Pesa & mobile money platforms
- SMS & Email gateways
- IoT sensor integration
- Modbus RTU / TCP
- Real-time monitoring & alerting systems
- Python
- Demand forecasting
- Applied machine learning
- Data preprocessing
- Model evaluation
- Git & version control
- System design & documentation
- Microservice-oriented thinking
- Cloud-ready application design
- Cross-functional collaboration
Personal And Open Source Projects
- URL Shortener Service, Node.js, Express
- REST API Boilerplate's, Clean architecture, authentication, error handling
- Odoo Integration Microservices, Payments, reporting, automation
- Node.js Core Modules Server, Low-level HTTP & performance experimentation
Open To Remote
True
Open To International Roles
True
References
Available upon request
Selected Major Projects
- EduConnect CRM – Education Consulting Platform, Node.js, React, PostgreSQL, Designed and built a full-stack CRM platform managing the complete operational lifecycle of an international education consultancy., Centralized all company operations into a single system, significantly improving data accuracy, real-time visibility, and productivity while managing hundreds of concurrent student applications.
- Genlynk – IoT Fuel & Generator Monitoring System (Nigeria), Node.js, IoT Sensors, Modbus RTU/TCP, SMS, Email, Designed and implemented a Node.js backend for real-time monitoring of fuel levels and generator usage., Reduced fuel theft, improved operational transparency, and automated refueling workflows across multiple customer sites.
- FarmApp – Agricultural Management Platform (Tanzania), Node.js, Web & Mobile Backend, Mapping, Notifications, Built backend services powering web and mobile applications for large-scale agricultural operations., Improved agricultural data visibility, operational coordination, and farmer engagement at scale.
- Odoo ERP Integrations & Extensions, Node.js, Odoo, Banking APIs, M-Pesa, Integrated Odoo Accounting with banking and mobile payment platforms., Enhanced financial accuracy, logistics visibility, and operational efficiency.
- Marketplace Web Application & AI Demand Forecasting (Kenya), Node.js, Express, React, Python, Machine Learning, Developed a B2B ecommerce marketplace for commodity ordering and supply management., Enabled data-driven decision-making for buyers and suppliers across the commodities value chain.
Core Technical Skills
Node.js, Express.js, RESTful API design & versioning, Authentication & authorization (JWT, role-based access), Middleware design, async programming, Performance optimization & error handling, Secure financial and transactional workflows, React.js, Component-based UI architecture, API consumption & state management, PostgreSQL, MySQL, MongoDB, Relational data modeling, Query optimization, Reporting (Excel & PDF generation), Odoo ERP (Accounting, Fleet, Payments), Banking & financial APIs, M-Pesa & mobile money platforms, SMS & Email gateways, IoT sensor integration, Modbus RTU / TCP, Real-time monitoring & alerting systems, Python, Demand forecasting, Applied machine learning, Data preprocessing & model evaluation, MIT-certified AI/ML coursework, Git & version control, System design & documentation, Microservice-oriented thinking, Cloud-ready application design, Cross-functional collaboration
Languages
Swahili
Native
Native
English
Advanced (C1)
C1
Affiliations
Social Volunteer
References
References available upon request.
Timeline
Software Engineer / Backend Engineer
Freelance Consultant
01.2015 - Current
Artificial Intelligence & Machine Learning Certificate - Applied Machine Learning, Forecasting & Predictive Modeling, Data-driven Decision Systems
MIT/MDSS