Software and AI that work for your business.
We start by learning how your business works. Then we fix what's holding it back with websites and apps, adding AI where it helps.
Full refund if the result falls short.
- Hands-on development
- 10+ yrs
- With your developer
- 1:1
- Business-day replies
- 1 day
Our guarantee
Don't love it? You don't pay.
We agree on what we're building before we start. If the result falls short, you get a full refund. So far, not one client has asked for it.
Free minor fixes, for life
Small changes and fixes after launch are always on us. Bigger requests get a clear quote first.
Clear, upfront pricing
No hidden costs. Pricing and refund terms are written clearly into your contract.
Your accounts, in your name
Cloud (AWS) and third-party services are set up under your own accounts.
Services
Software for every part of your business
From your first website to a full platform. We build it, host it and look after it.
Websites & online stores
Websites that turn visitors into customers, and online stores that are truly yours.
Web applications
Custom tools that fit the way your team works.
Mobile apps
Reach customers where they already are: on their phones.
AI assistants
AI that answers customer questions and takes bookings inside your website or app.
Workflow automation
Repetitive work like data entry, reports and follow-ups, handled automatically with the tools you already use.
Hosting & care
Fast, secure hosting, and ongoing improvements long after launch.
AI
AI built in, where it actually helps.
We don't add AI for the hype. We add it where it saves time, cuts costs or solves what software alone can't.
- Paperwork piling up
- AI reads invoices, forms and emails, then enters the details into your system for you.
- Writing posts from scratch
- AI drafts social posts and product descriptions from your own information, ready for you to check.
- The same questions, again
- An AI assistant in your website or app answers common questions and takes bookings, even after hours.
- Time-consuming bookkeeping
- AI sorts transactions and matches receipts, so your books stay tidy at tax time.
- Decisions made on gut feel
- AI turns your sales and operations data into a short weekly summary you can act on.
We find where your time and money go first, then add AI only where it pays off.
Why us
We solve business problems, not just write code.
Understand first, then build
We don't just build fast. We learn your business and pin down exactly what you need, then build it properly.
Plain words, no jargon
We explain everything in plain language, so you always know what we're doing and why.
Talk straight to your developer
No account managers. The person building your product replies within one business day.
Honest advice, always
If you don't need custom software or AI, we'll tell you. We only build what pays off.
How we work
One developer, with you from start to finish.

Justin · Founder & Lead Developer
From our first call to launch, you work with me directly.
- 01
Free consultation
Tell us about your business and the problem you want solved, online or in person in Brisbane.
- 02
A clear plan
We suggest the right mix of software and AI, with upfront pricing.
- 03
Build together
You see progress regularly and talk directly with your developer.
- 04
Launch and look after
We launch, host and keep improving it, for as long as you need.
Launch is where software starts, not where it ends. Real use always shows something to change. As your business grows, we keep improving it with you.
Our work
Trusted by businesses that wanted it done right
A few of the products we've designed, built and still look after.

eSIMmu
Global eSIM store
- 84 countries, 7 languages, 6 currencies
- Card, PayPal, Apple Pay and Google Pay, with guest checkout and instant activation
- One admin dashboard for orders, support and settlements
- Partner API and dashboard for businesses that resell eSIMs

eSIM Story
Travel eSIM service
- 100+ countries, 3 languages, 14 currencies
- Card, PayPal, Apple Pay and Google Pay, with guest checkout and QR install
- Install guides, blog and live chat for travellers
- Partnered with 10+ travel agencies, study‑abroad agencies and communities, via white label and API
Rent Right
Rental application platform · In development
- Made for the Australian rental market
- Tenants apply online and upload documents in one place
- Portals for tenants, agents and admins
- Plans and billing for agents


LightUp Dental
Dental clinic website
- Online booking linked to HotDoc
- Services, offers and before-and-after smile gallery
- Payment options page with Afterpay, Zip and health funds
- Ongoing maintenance after launch

A PRO Sports Academy
Football academy website
- Programs, events and sponsors the team updates itself
- Event pages with online registration links
- Photo slider and links to Facebook, Instagram and KakaoTalk
Client stories
In our clients' words
“As someone who doesn't have a tech background, I truly appreciated how he took the time to listen to my ideas and helped shape them into something even better than I imagined. Justin isn't just a talented engineer—he understands the specific needs of a business, even when they don't align with his own expertise.”
“His creativity and attention to detail were exceptional. I couldn't be happier with the result. During multiple consultations, I could feel his passion and skills! I really appreciate his help!”
“Thanks J Software. The prompt response, courteous explanation, and precise understanding of customer needs were greatly appreciated. I look forward to reaching out again in the future.”
“Highly recommend. He is very kind and competent. He tried to fit everything I asked for :)”
Tell us what's holding your business back.
Book a free call. We'll listen first, then show you what software and AI can do about it.
Book a free consultationWe take on only a few projects each month, so each one gets our full attention.