Developer CV / Telenical Systems Limited
I am Julius Francis Justine, a senior software engineer and systems integrator who designs, builds and supports mobile applications, web platforms, SaaS products and operational systems for organizations that need technology to work reliably in production.
Available for software projects, systems integration, technical partnerships and engineering leadership.
Selected work
Delivery experience spanning mining operations, fuel depots, fleet visibility, mobile releases and multi-tenant business platforms.
Led end-to-end planning, implementation, integration, commissioning, user training and production support for fuel-management operations.
Connected forecourt automation, ERP/POS, IoT and TRA fiscal-compliance components into unified operational workflows.
Deployed a depot flow-metering solution designed for reliable operational measurement and reporting.
Strengthened fuel measurement accuracy, accountability and reporting across depot operations.
Installed and configured Teltonika tracking systems across distributed mining sites.
Integrated GPS data with FMS workflows for fleet monitoring, fuel-consumption analysis and accountability.
Developed mobile application solutions and managed the full Android release-preparation process.
Handled testing, signing, versioning, Play Console configuration and Play Store publishing.
Built Next.js interfaces and Laravel/NestJS services for SaaS systems, dashboards and ERP/POS workflows.
Connected REST APIs, Socket.IO real-time features, payments and TRA workflows using containerized delivery.
Professional experience
Software development, systems integration, operational technology and technical leadership across demanding production environments.
Senior Software Engineer & Systems Integrator
Lead the design, development and integration of production software platforms for business and operational clients. Translate requirements into scalable architectures; build responsive Next.js applications, NestJS and Node.js APIs, and Socket.IO real-time services; integrate databases, third-party services and operational systems; containerize workloads with Docker; and guide code quality, testing, deployment, troubleshooting and technical support across the delivery lifecycle.
Project Manager & Technical Director / Systems Integrator
Directed full-lifecycle FMS and automation deployments for mining and industrial clients. Coordinated technical teams, site installations, commissioning, training and post-deployment support while integrating GPS, IoT, ERP/POS and TRA-compliance workflows.
Software Developer & Systems Support Specialist
Develop mobile and web applications, business systems and multi-tenant SaaS platforms using Next.js, React, Laravel, NestJS and Node.js. Deliver Socket.IO real-time features, Dockerized services, payment integrations, Android publishing and production support.
Software Developer / SaaS ERP Engineer
Designed and developed an industrial-grade, multi-branch SaaS ERP for manufacturing, inventory and sales management across the company's shops throughout Tanzania. Delivered centralized production, purchasing, stock-transfer and sales workflows with role-based access, low-stock visibility, operational reporting, audit-ready records and reliable multi-location data synchronization. The platform improved inventory accuracy, traceability, staff productivity and management decision-making, while I also handled secure deployment, performance optimization, user training and ongoing production support.
Software Developer / Hosting & Support Engineer
Supported the development, configuration and hosting of business systems, alongside server administration, security practices, onboarding, updates and user training.
IT Support Engineer - TRA Supplier Office Support
Installed and supported ETR, ESD, EFP, VFD and EFPP fiscal systems; diagnosed operational issues through on-site and remote support; and handled device components and updates.
Technical stack
A production-focused toolkit for building applications, connecting platforms and keeping deployed systems dependable.
Education
Institute of Finance Management (IFM), Dar es Salaam 2017 - 2020
Project requirements
Share the business need, expected delivery timeline and urgency. Your brief can be sent directly to the developer by email or prepared as a WhatsApp message for a faster response.
Hire a developer
Work directly with a senior engineer who combines software delivery, systems integration, production deployment and long-term technical support.
