// platform/telemetry-ingestion.ts
gateway.on('fuel:event', async (payload) => {
const event = await validateAndNormalize(payload);
await telemetryQueue.publish('fms.telemetry.created', event);
socket.to(event.siteId).emit('tracking:update', event);
});
// deploy/release.sh
docker compose build --pull
docker compose up -d --remove-orphans
docker system prune -f International remote engineering profile
Full-Stack DevOps & Platform Engineer
Architecting high-throughput microservices, event-driven IoT architectures, and automated cloud infrastructure.
Core Architect & Founder @telenicalsystemsAvailable for high-impact remote software engineering, DevOps, platform architecture, systems integration and technical leadership roles.
Sample Work
Code, scripts and delivery workflows presented like a developer platform.
A GitHub-inspired view of how I break software work into repositories, tasks, scripts and production-ready delivery patterns.
fleet-iot-realtime-engine
Event-driven telemetry ingestion pattern for GPS, FMS and field hardware synchronization.
- Go
- WebSockets
- Redis
- PostgreSQL
saas-erp-platform-blueprint
Multi-tenant ERP architecture for stock, sales, manufacturing and branch operations.
- NestJS
- Next.js
- RBAC
- Docker
vps-docker-release-kit
Repeatable VPS deployment blueprint with containerized services, reverse proxy and rollback thinking.
- Docker
- Nginx/Caddy
- CI-ready
- Linux
mobile-release-playstore-pipeline
Versioning, signing, Play Console readiness, QA checklist and production release handover for Android apps.
- Android
- Play Store
- Release notes
- QA
manufacturing-stock-sales-modules
Manufacturing, purchasing, stock transfer, sales and reporting workflows for multi-branch operations.
- ERP
- Inventory
- Reporting
- RBAC
banking-devices-support-toolkit
Structured maintenance workflow for cheque scanners, bill counters, note binding and fiscal devices.
- Diagnostics
- SOPs
- Hardware
- Support
Contribution rhythm
Consistent production engineering activity.
Issues ยท PRs ยท Releases
How I organize delivery work.
Define service boundaries for telemetry ingestion, queue processing and realtime dashboard updates.
triagedContainerize API, worker and frontend layers with repeatable multi-stage Docker build patterns.
reviewedShip VPS deployment package with rollback notes, smoke tests and operator handover checklist.
readyRelease packages
Versioned deliverables with handover discipline.
Socket.io channels, Redis queue pattern, PostgreSQL persistence
Stock movement, sales reports, manufacturing workflows
Reverse proxy, service restart strategy, production checklist
Hi there, I'm Julius F. Justine ๐
Full-Stack DevOps & Platform Engineer | Core Architect & Founder @telenicalsystems
I engineer high-throughput microservices, real-time event-driven architectures, and automated deployment pipelines. By balancing low-level backend performance in Go with scalable infrastructure management via Docker & Kubernetes, I bridge the gap between application code and stable production operations.
Backend Microservices
Go (Golang), Node.js, NestJS, Socket.io
DevOps & Infrastructure
Docker Containers, Kubernetes, CI/CD, Linux VPS Deployment
Frontend Architectures
Next.js, React, TailwindCSS, Server-Side Rendering
Databases & Caching
PostgreSQL, Redis, MongoDB
Featured Architectures
Production blueprints for scale, automation and realtime operations.
Recruiter-scannable architecture work across microservices, IoT, fleet telemetry, containerized delivery and automated infrastructure.
Event-driven IoT and fleet telemetry
Built event-driven IoT, Fleet Management (FMS), and GPS tracking systems using Go and NestJS, with real-time sync paths for field devices, terminals and operational dashboards.
- Go
- NestJS
- Socket.io
- IoT
- FMS
- GPS tracking
Containerized microservice delivery
Optimized backend systems by containerizing multi-language microservices with Docker, reducing deployment overhead and making releases more repeatable across local, VPS and cloud environments.
- Docker
- Multi-stage builds
- Node.js
- Go
- VPS deployment
Low-latency communication layers
Engineered persistent, low-latency communication layers utilizing Socket.io for terminal automation, live system events and real-time hardware tracking sync.
- Socket.io
- Realtime APIs
- Terminal automation
- Hardware sync
Automated infrastructure blueprints
Designed automated infrastructure blueprints capable of seamless horizontal scaling and rapid deployment loops for SaaS, ERP, automation and field-operation platforms.
- Kubernetes
- Docker Compose
- CI-ready workflows
- Cloud infrastructure
Production Experience
Engineering built around real operations.
Delivery experience spanning mining operations, fuel depots, fleet visibility, mobile releases and multi-tenant business platforms.
Fuel Management System Installation, Upgrade & Commissioning
Installed, configured, upgraded and commissioned a production Fuel Management System for mining operations, with integration validation across field equipment and operational workflows.
Strengthened production readiness by validating connected components, stabilizing deployment procedures and completing operational handover for live industrial use.
- FMS
- Industrial automation
- Commissioning
- Production support
Greenfield Fuel Management System Deployment
Served as Senior Project Supervisor for a fresh Fuel Management System installation from scratch, coordinating installation, configuration, testing and commissioning.
Delivered a fully commissioned production system by leading site execution, technical teams, integration checks, user readiness and handover.
- Senior supervision
- Greenfield deployment
- FMS
- Site commissioning
Industrial-grade Multi-branch SaaS ERP
Designed and developed a production SaaS ERP for manufacturing, inventory, stock transfers, purchasing and sales management across nationwide shop operations.
Centralized multi-branch operations with role-based access, synchronized stock visibility, audit-ready records, operational reporting and improved management decision-making.
- SaaS ERP
- Manufacturing
- PostgreSQL
- Multi-branch operations
Depot Flow Metering Solution
Deployed a depot flow-metering solution for reliable operational measurement, transaction accountability and reporting in fuel depot workflows.
Improved measurement confidence, traceability and reporting consistency across depot operations.
- Flow metering
- Automation
- Operational reporting
- Industrial systems
GPS Fleet Tracking & FMS Integration
Installed and configured Teltonika GPS tracking systems across distributed mining sites and linked fleet telemetry with FMS workflows.
Enabled fleet monitoring, fuel-consumption analysis, asset accountability and real-time operational visibility for field teams.
- Teltonika
- GPS telemetry
- Fleet data
- FMS integration
Mobile Application Delivery & Play Store Release
Developed mobile application solutions and managed Android release preparation, signing, versioning, Play Console configuration and Play Store publishing.
Delivered release-ready applications with testing discipline, deployment documentation and long-term production support readiness.
- Mobile apps
- Android
- Play Console
- Release engineering
Multi-tenant Business Platforms
Built Next.js interfaces, NestJS and Node.js services, real-time Socket.io features, payment workflows and ERP/POS dashboards for multi-tenant business operations.
Connected frontend, backend, realtime and deployment layers into production-ready systems using containerized delivery and operational support patterns.
- Next.js
- NestJS
- Socket.io
- Docker
Production Experience
Full-stack engineering with deployment ownership.
Senior engineering, systems integration, DevOps and technical leadership across demanding production environments.
- Jan 2026 - PresentDar es Salaam, Tanzania
Telenical Systems Limited
Senior Software Engineer & Integrator
Lead platform architecture, full-stack delivery and production systems integration for enterprise clients. Build high-throughput backend services with Go, NestJS and Node.js; design responsive Next.js and React interfaces; engineer Socket.io real-time layers for operational systems; integrate PostgreSQL, Redis and MongoDB data services; containerize workloads with Docker; prepare Kubernetes-ready deployment patterns; and own deployment, troubleshooting, hardening and support across the production lifecycle.
- Mar 2024 - Jan 2026Dar es Salaam, Tanzania
Multiplex Systems Limited
Project Manager & Technical Director / Senior Project Supervisor / Systems Integrator
Directed full-lifecycle FMS, IoT, GPS and automation deployments for mining and industrial clients. At Geita Gold Mining (GGM), installed, configured, upgraded and commissioned the Fuel Management System. At Buckreef Gold Mining Company, served as Senior Project Supervisor for a fresh FMS installation from scratch, coordinating site delivery, configuration, integration checks, testing, commissioning, user readiness and handover. Also supported GPS telemetry, ERP/POS, TRA-compliance and operational technology integrations.
- 2022 - PresentTanzania / Remote
JutroByte Tech Solutions
Full-Stack Engineer & Platform Builder
Design and deliver mobile apps, web platforms, SaaS products and multi-tenant business systems using Next.js, React, NestJS, Node.js, Laravel and Docker. Build REST APIs, real-time Socket.io modules, payment integrations, Android publishing pipelines, VPS deployments and ongoing production support workflows.
- Aug 2023 - Nov 2025Tanzania
Tan Veterina Limited
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. Handled secure deployment, performance optimization, user training and ongoing production support.
- Apr 2023 - Nov 2024Tanzania
Top Expert Limited
Software Developer / Hosting & Support Engineer
Supported the development, configuration and hosting of business systems, including server administration, deployment hardening, security practices, onboarding, system updates and user training.
- Dec 2020 - Feb 2023Tanzania
Pergamon Group Limited
IT Support Engineer - Banking Solutions, Fiscal Systems & Maintenance
Installed, configured, maintained and repaired banking and cash-handling equipment, including cheque scanners; DORS, Magna, Glory and other banknote counters; note-binding machines; strapping machines; and paper shredders. Performed preventive maintenance, hardware and software fault diagnosis, component replacement, user guidance, and on-site and remote technical support. Also installed and supported TRA fiscal systems, including ETR, ESD, EFP, VFD and EFPP devices, software updates and operational troubleshooting.
Technical Expertise
Cleanly grouped architecture stack for modern platform teams.
Backend microservices, frontend architectures, DevOps orchestration and data layers presented for quick recruiter and engineering review.
Backend Microservices
- Go (Golang)
- Node.js
- NestJS
- Socket.io (Real-time data ingestion)
Frontend Architectures
- Next.js
- React
- TailwindCSS
- Server-Side Rendering (SSR)
DevOps & Orchestration
- Docker Containers
- Kubernetes (K8s)
- Multi-stage Builds
- Local & Cloud VPS Deployment
Databases & Caching
- PostgreSQL
- Redis
- MongoDB
International Remote Collaboration Logistics
GMT+3/EAT availability for distributed EU, US and global teams.
Strong overlap with Europe, Africa, Middle East and structured US morning/evening collaboration windows.
Comfortable with async briefs, issue tracking, sprint reviews, technical documentation and daily engineering communication.
Focuses on reliable releases, clear deployment steps, observability-minded support and maintainable infrastructure handover.
Education
Bachelor's Degree in Computer Science
Specialized in Software Engineering 2017 - 2021
Project requirements
Tell me what you need to build.
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 platform engineer
Need a full-stack DevOps engineer who can build, deploy and support production systems?
Work directly with an engineer who combines platform architecture, backend microservices, real-time systems, DevOps delivery, field integrations and long-term production ownership.