Loading Telenical Systems

International remote engineering profile

Full-Stack DevOps & Platform Engineer

Architecting high-throughput microservices, event-driven IoT architectures, and automated cloud infrastructure.

Core Architect & Founder @telenicalsystems

Available for high-impact remote software engineering, DevOps, platform architecture, systems integration and technical leadership roles.

Go microservicesNestJS platformsSocket.io real-time systemsDocker containersKubernetes-ready deliveryCloud VPS deployment

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.

platform-blueprint
telemetry.ts release.sh docker-compose.yml
// 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

fleet-iot-realtime-engine

Event-driven telemetry ingestion pattern for GPS, FMS and field hardware synchronization.

Backend Microservice Architecture sample
Go + Socket.io
  • Go
  • WebSockets
  • Redis
  • PostgreSQL

saas-erp-platform-blueprint

Multi-tenant ERP architecture for stock, sales, manufacturing and branch operations.

Full-stack SaaS Production pattern
NestJS + Next.js
  • NestJS
  • Next.js
  • RBAC
  • Docker

vps-docker-release-kit

Repeatable VPS deployment blueprint with containerized services, reverse proxy and rollback thinking.

DevOps Automation Deployment script
Docker + Linux
  • Docker
  • Nginx/Caddy
  • CI-ready
  • Linux

mobile-release-playstore-pipeline

Versioning, signing, Play Console readiness, QA checklist and production release handover for Android apps.

Mobile Delivery Release sample
Android + CI checklist
  • Android
  • Play Store
  • Release notes
  • QA

manufacturing-stock-sales-modules

Manufacturing, purchasing, stock transfer, sales and reporting workflows for multi-branch operations.

ERP Modules Business system pattern
PostgreSQL + API services
  • ERP
  • Inventory
  • Reporting
  • RBAC

banking-devices-support-toolkit

Structured maintenance workflow for cheque scanners, bill counters, note binding and fiscal devices.

Field Support Systems Operations playbook
Scripts + documentation
  • Diagnostics
  • SOPs
  • Hardware
  • Support

Contribution rhythm

Consistent production engineering activity.

84-day sample
Less More

Issues ยท PRs ยท Releases

How I organize delivery work.

Open issue architecture

Define service boundaries for telemetry ingestion, queue processing and realtime dashboard updates.

triaged
Pull request deployment

Containerize API, worker and frontend layers with repeatable multi-stage Docker build patterns.

reviewed
Release production

Ship VPS deployment package with rollback notes, smoke tests and operator handover checklist.

ready

Release packages

Versioned deliverables with handover discipline.

v1.4.0
Realtime telemetry services

Socket.io channels, Redis queue pattern, PostgreSQL persistence

v1.3.2
ERP operations modules

Stock movement, sales reports, manufacturing workflows

v1.2.0
Docker VPS deployment kit

Reverse proxy, service restart strategy, production checklist

README.md Rendered profile overview

Hi there, I'm Julius F. Justine ๐Ÿ‘‹

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.

01 Geita Gold Mining (GGM)

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.

Result

Strengthened production readiness by validating connected components, stabilizing deployment procedures and completing operational handover for live industrial use.

  • FMS
  • Industrial automation
  • Commissioning
  • Production support
02 Buckreef Gold Mining Company

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.

Result

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
03 Tan Veterina Limited

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.

Result

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
04 World Oil Terminal, Kurasini

Depot Flow Metering Solution

Deployed a depot flow-metering solution for reliable operational measurement, transaction accountability and reporting in fuel depot workflows.

Result

Improved measurement confidence, traceability and reporting consistency across depot operations.

  • Flow metering
  • Automation
  • Operational reporting
  • Industrial systems
05 Buckreef sites: Katoro, Lwamgasa & Geita

GPS Fleet Tracking & FMS Integration

Installed and configured Teltonika GPS tracking systems across distributed mining sites and linked fleet telemetry with FMS workflows.

Result

Enabled fleet monitoring, fuel-consumption analysis, asset accountability and real-time operational visibility for field teams.

  • Teltonika
  • GPS telemetry
  • Fleet data
  • FMS integration
06 JutroByte Tech Solutions & Client Projects

Mobile Application Delivery & Play Store Release

Developed mobile application solutions and managed Android release preparation, signing, versioning, Play Console configuration and Play Store publishing.

Result

Delivered release-ready applications with testing discipline, deployment documentation and long-term production support readiness.

  • Mobile apps
  • Android
  • Play Console
  • Release engineering
07 JutroByte Tech Solutions & Client Projects

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.

Result

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.

  1. Jan 2026 - Present

    Telenical Systems Limited

    Senior Software Engineer & Integrator

    Dar es Salaam, Tanzania

    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.

  2. Mar 2024 - Jan 2026

    Multiplex Systems Limited

    Project Manager & Technical Director / Senior Project Supervisor / Systems Integrator

    Dar es Salaam, Tanzania

    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.

  3. 2022 - Present

    JutroByte Tech Solutions

    Full-Stack Engineer & Platform Builder

    Tanzania / Remote

    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.

  4. Aug 2023 - Nov 2025

    Tan Veterina Limited

    Software Developer / SaaS ERP Engineer

    Tanzania

    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.

  5. Apr 2023 - Nov 2024

    Top Expert Limited

    Software Developer / Hosting & Support Engineer

    Tanzania

    Supported the development, configuration and hosting of business systems, including server administration, deployment hardening, security practices, onboarding, system updates and user training.

  6. Dec 2020 - Feb 2023

    Pergamon Group Limited

    IT Support Engineer - Banking Solutions, Fiscal Systems & Maintenance

    Tanzania

    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.

01

Backend Microservices

  • Go (Golang)
  • Node.js
  • NestJS
  • Socket.io (Real-time data ingestion)
02

Frontend Architectures

  • Next.js
  • React
  • TailwindCSS
  • Server-Side Rendering (SSR)
03

DevOps & Orchestration

  • Docker Containers
  • Kubernetes (K8s)
  • Multi-stage Builds
  • Local & Cloud VPS Deployment
04

Databases & Caching

  • PostgreSQL
  • Redis
  • MongoDB

International Remote Collaboration Logistics

GMT+3/EAT availability for distributed EU, US and global teams.

Timezone GMT+3 / EAT

Strong overlap with Europe, Africa, Middle East and structured US morning/evening collaboration windows.

Work model Remote-first

Comfortable with async briefs, issue tracking, sprint reviews, technical documentation and daily engineering communication.

Delivery style Production-owned

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.

Clear technical review Practical scope guidance Confidential project discussion

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.

Dar es Salaam, Tanzania +255 758 620 542 GMT+3 / EAT remote collaboration
Request a quote

Tell us what you need

Share enough detail for our team to understand the scope and prepare a useful response.

Your request will be securely delivered to our team by email. Your details are used only to review and respond to your inquiry.

Start your project

Plan your project and meeting

Complete four short steps to brief our team and schedule your consultation.

Step 1 of 4

Tell us about you

These details help our project manager prepare for the conversation.