Nairobi software studio for operational systems

Software that fits the way you operate.

Jengara Technologies designs and builds custom billing platforms, business management systems, and fast web applications for teams that need reliable tools, not templates.

Start a Project See Our Work
50+
Projects built
5+
Years shipping
24h
Typical reply
operations.jengara
ISP Billing
Service Desk
Live
Subscribers
1,284
Payments
96%
Tickets
18
Revenue trend +18.4%
About Us

Built like a product team, not a template shop.

Jengara Technologies is a Nairobi-based software company building custom systems for businesses, ISPs, and growing teams. We focus on clear workflows, dependable architecture, and support after launch.

Reliable Systems

Maintainable systems with clear data models, practical architecture, and code that can be extended without drama.

Built for Scale

Interfaces and APIs designed to stay fast as usage, records, customers, and operational pressure increase.

Support & Maintenance

Documentation, maintenance, and practical handover so the system keeps serving the business after launch.

Modern stack, practical choices

Vue.js Nuxt 3 TypeScript Golang Vite Tailwind CSS Docker PWAs
Our Services

Focused services for business-critical work.

We design the workflow, build the software, and keep the system maintainable when real users and real edge cases arrive.

Custom Software Development

Bespoke systems built around your workflows, permissions, reports, and daily operations.

Flagship

ISP & Billing Systems

Subscriber billing, plan management, payments, customer records, and operational reporting for ISPs.

Business Management Systems

Finance, inventory, HR, school, and operations tools that replace spreadsheets and manual follow-up.

Web Applications & PWAs

Responsive, reliable web apps and PWAs that feel fast on desktop, mobile, and imperfect networks.

Our Work

Selected work with operational depth.

A focused look at systems built for billing, customer management, workflows, and real business usage.

app.jengara/billing
ISP Billing System Dashboard
Flagship Product

ISP Billing System

A billing and subscriber management platform for internet service providers, covering customer records, packages, invoices, payments, account status, and day-to-day operational visibility.

Billing workflows
Plans, invoices, payments
Customer operations
Subscribers, support, status
TypeScript Vue/Nuxt Billing Dashboards
Jengara Technologies product

We have also delivered web platforms for e-commerce, nonprofit, financial management, and education clients, covering PWAs, dashboards, and workflow tools.

Founder

Engineering leadership behind the work.

Founded by Kelvin Maina and grounded in hands-on experience building production web systems for businesses and users.

Founder & Lead Engineer

Jengara Technologies
2026 - Present
  • - Founded Jengara Technologies to build custom software systems for businesses
  • - Built the ISP Billing System, the company's flagship product
  • - Leads development across billing, business management, and web application projects

Senior Frontend Developer

Bandabets
2023 - Present
  • - Improved core web vitals by 42% through code splitting and lazy loading
  • - Implemented country-based routing with geolocation and CDN optimization
  • - Enhanced betslip UX leading to 23% increase in conversion rates

Full Stack Developer

Freelance
2021 - 2023
  • - Built 15+ PWAs and web applications for various clients
  • - Specialized in Vue/Nuxt ecosystem with TypeScript integration
  • - Delivered projects with average 95+ Lighthouse performance scores

Frontend Developer

TechStart Kenya
2020 - 2021
  • - Developed responsive web interfaces using Vue.js and modern CSS
  • - Collaborated with design team to implement pixel-perfect UIs
  • - Mentored junior developers on best practices and code reviews
Get In Touch

Let's Build Your System

Have a billing platform, business system, or web app in mind? Tell us about your project.

Send a Message

Get in Touch

WhatsApp
+254 708 328 905
Location
Nairobi, Kenya

Quick Response

We typically respond to messages within 24 hours during weekdays.