Software Developers Sydney

Software Developers Sydney

Software Developers Sydney

Work with experienced developers to build your web or mobile software. Based in Sydney, delivering Australia-wide.

Work with experienced developers to build your web or mobile software. Based in Sydney, delivering Australia-wide.

Work with experienced developers to build your web or mobile software. Based in Sydney, delivering Australia-wide.

Tell us about your software project

Tell us about your software project

16+ yrs

Building software and apps

253

Companies we've worked with

1M+

Hours of engineering and development delivered

4.9/5

Average client rating on Google and Clutch

16+ yrs

Building software and apps

253

Companies we've worked with

1M+

Hours of engineering and development delivered

4.9/5

Average client rating on Google and Clutch

16+ yrs

Building software and apps

253

Companies we've worked with

1M+

Hours of engineering and development delivered

4.9/5

Average client rating on Google and Clutch

CLIENTS

253 companies have trusted us as software developers

253 companies have trusted us as software developers

What we offer

What we offer

Software developers with the skills your project needs

Software developers with the skills your project needs

Software developers with the skills your project needs

Web app developers

Web app developers

Customer portals, booking systems and internal tools that run in a browser, so your staff and customers can get things done online.

Customer portals, booking systems and internal tools that run in a browser, so your staff and customers can get things done online.

Mobile app developers

Mobile app developers

iOS and Android apps, built by the same developers who build the backend your app relies on.

iOS and Android apps, built by the same developers who build the backend your app relies on.

Backend and cloud developers

Backend and cloud developers

The servers, databases and cloud setup that keep your software fast and secure as more people use it.

The servers, databases and cloud setup that keep your software fast and secure as more people use it.

Integration developers

Integration developers

When your CRM and accounting software don't talk to each other, our developers connect them so information moves between them on its own.

When your CRM and accounting software don't talk to each other, our developers connect them so information moves between them on its own.

Business systems developers

Business systems developers

Custom CRMs and job management systems for businesses that have outgrown spreadsheets or off-the-shelf software.

Custom CRMs and job management systems for businesses that have outgrown spreadsheets or off-the-shelf software.

AI developers

AI developers

For businesses that want AI in their product or their operations. Our developers work out where it will save time or money, then build it into your systems.

For businesses that want AI in their product or their operations. Our developers work out where it will save time or money, then build it into your systems.

Database developers

Database developers

Developers who design and manage the databases behind your software, so your data stays accurate and quick to find as it grows.

Developers who design and manage the databases behind your software, so your data stays accurate and quick to find as it grows.

Legacy software developers

Legacy software developers

Developers who work with older codebases and outdated systems. They can take over software another developer left unfinished and get it running properly again.

Developers who work with older codebases and outdated systems. They can take over software another developer left unfinished and get it running properly again.

How you can work with our developers

How you can work with our developers

A dedicated team for your project

A dedicated team for your project

A dedicated team for your project

Hand us the whole build. We put together a team of developers for your project, with Sam Halcrow overseeing it as CTO from the first scoping call to launch.

Hand us the whole build. We put together a team of developers for your project, with Sam Halcrow overseeing it as CTO from the first scoping call to launch.

Hand us the whole build. We put together a team of developers for your project, with Sam Halcrow overseeing it as CTO from the first scoping call to launch.

Developers added to your existing team

Developers added to your existing team

Developers added to your existing team

If you already have developers and need more hands, our developers join your team and work inside the tools and processes you already use.

If you already have developers and need more hands, our developers join your team and work inside the tools and processes you already use.

If you already have developers and need more hands, our developers join your team and work inside the tools and processes you already use.

Why Halcrow

Why Halcrow

Why businesses work with our software developers

Why businesses work with our software developers

Plenty of developers can write good code. Software projects usually go wrong in the planning and in the decisions made along the way, so that's where we've focused how we work.

Plenty of developers can write good code. Software projects usually go wrong in the planning and in the decisions made along the way, so that's where we've focused how we work.

Plenty of developers can write good code. Software projects usually go wrong in the planning and in the decisions made along the way, so that's where we've focused how we work.

Direct access to our developers

I'm Sam Halcrow. I step in as fractional CTO on every project. You'll deal directly with me and with the developers working on your software.

Man in a blue t-shirt smiling confidently while standing against a light wall in sunlight

Clear goals before any code

Before our developers start, we agree on what the software needs to improve for your business, and we measure their work against that goal.

Woman with blonde hair and glasses wearing a white blouse, softly lit against a brown wall

A CTO leading every team

Our developers work under Sam, who has spent 16 years making tech calls. He decides what gets built first and flags the risks worth worrying about.

Smiling man in a grey blazer and graphic tee, lit by window shadows on a beige wall

Developers matched to your project

We put together developers with the skills your project needs and recommend the technology that fits your goals and budget, even when that means a simpler build than you expected.

Man and woman standing side by side in sunlight, both wearing light collared shirts

Direct access to our developers

I'm Sam Halcrow. I step in as fractional CTO on every project. You'll deal directly with me and with the developers working on your software.

Man in a blue t-shirt smiling confidently while standing against a light wall in sunlight

Clear goals before any code

Before our developers start, we agree on what the software needs to improve for your business, and we measure their work against that goal.

Woman with blonde hair and glasses wearing a white blouse, softly lit against a brown wall

A CTO leading every team

Our developers work under Sam, who has spent 16 years making tech calls. He decides what gets built first and flags the risks worth worrying about.

Smiling man in a grey blazer and graphic tee, lit by window shadows on a beige wall

Developers matched to your project

We put together developers with the skills your project needs and recommend the technology that fits your goals and budget, even when that means a simpler build than you expected.

Man and woman standing side by side in sunlight, both wearing light collared shirts
Direct access to our developers

I'm Sam Halcrow. I step in as fractional CTO on every project. You'll deal directly with me and with the developers working on your software.

Man in a blue t-shirt smiling confidently while standing against a light wall in sunlight
Clear goals before any code

Before our developers start, we agree on what the software needs to improve for your business, and we measure their work against that goal.

Woman with blonde hair and glasses wearing a white blouse, softly lit against a brown wall
A CTO leading every team

Our developers work under Sam, who has spent 16 years making tech calls. He decides what gets built first and flags the risks worth worrying about.

Smiling man in a grey blazer and graphic tee, lit by window shadows on a beige wall
Developers matched to your project

We put together developers with the skills your project needs and recommend the technology that fits your goals and budget, even when that means a simpler build than you expected.

Man and woman standing side by side in sunlight, both wearing light collared shirts

Case studies & RESULTS

Here's a snapshot of big wins our developers achieved

Here's a snapshot of big wins our developers achieved

OzSnow

OzSnow kept all 18 booking sites online through its entire peak ski season and cut hosting costs by about 40% after our rebuild

OzSnow kept all 18 booking sites online through its entire peak ski season and cut hosting costs by about 40% after our rebuild

OzSnow kept all 18 booking sites online through its entire peak ski season and cut hosting costs by about 40% after our rebuild

AWS Australia

Fabricator reorder rates rose 34% for AWS Australia after we rebuilt its website and product data system, lifting data accuracy to 97.3%

Fabricator reorder rates rose 34% for AWS Australia after we rebuilt its website and product data system, lifting data accuracy to 97.3%

Fabricator reorder rates rose 34% for AWS Australia after we rebuilt its website and product data system, lifting data accuracy to 97.3%

Bow Wow Meow

Bow Wow Meow lifted click-through by 35% once our website rebuild cut the time to launch a test from 6–8 weeks to 5 days

Bow Wow Meow lifted click-through by 35% once our website rebuild cut the time to launch a test from 6–8 weeks to 5 days

Bow Wow Meow lifted click-through by 35% once our website rebuild cut the time to launch a test from 6–8 weeks to 5 days

TESTIMONIALS

Hear from the companies our software developers have built for

Hear from the companies our software developers have built for

Angela Bevitt-Parr

National Marketing Manager
AWS Australia

Angela Bevitt-Parr

National Marketing Manager
AWS Australia

Angela Bevitt-Parr

National Marketing Manager
AWS Australia

Tim Buric

Chief Technology Officer
Agilyx & MUNIvers

Tim Buric

Chief Technology Officer
Agilyx & MUNIvers

Tim Buric

Chief Technology Officer
Agilyx & MUNIvers

Kelvin Kenney

Chief Executive Officer
Bow Wow Meow

Kelvin Kenney

Chief Executive Officer
Bow Wow Meow

Kelvin Kenney

Chief Executive Officer
Bow Wow Meow

“Sam and his team operate as a trusted partner at every stage of delivery. They’re pivotal in bringing engineering maturity to coordinate and execute large, complex projects.”

"Sam and his team operate as a trusted partner at every stage of delivery. They're pivotal in bringing engineering maturity to coordinate and execute large, complex projects."

Arun Prasad, Founder AIWhispr

“Sam took the time to understand our business and knew all the tech we needed. It was a pleasure to work with him and his team as they acted as an extension of our team.”

“Sam took the time to understand our business and knew all the tech we needed. It was a pleasure to work with him and his team as they acted as an extension of our team.”

Luke Schwigtenberg, Head of R&D Banktech

“From the concept design meeting, Sam exceeded our expectations. He understood what our needs were, and his engineers worked quickly from brief to going live.”

"From the concept design meeting, Sam exceeded our expectations. He understood what our needs were, and his engineers worked quickly from brief to going live."

Rouad El-Ayoubi, CEO Alliance Project Group

”Sam and his team’s expertise, Ways of Working framework, and mastery of their craft truly set them apart. This is the beauty of partnering with them. We extend our technical capabilities seamlessly without the overhead of hiring in-house.”

”Sam and his team's expertise, Ways of Working framework, and mastery of their craft truly set them apart. This is the beauty of partnering with them. We extend our technical capabilities seamlessly without the overhead of hiring in-house.”

Angela Bevitt-Parr, CMO AWS Australia

“With a deep understanding of our business needs, Sam leads an efficient process in delivering quality outputs.”

Kelvin Kenney, CEO Bow Wow Meow

“Working with Sam has been a turning point for our business. In addition to bringing structure to the development work, we also benefitted from his insight into emerging trends and technologies, as well as efficient and effective solutions.”

"Working with Sam has been a turning point for our business. In addition to bringing structure to the development work, we also benefitted from his insight into emerging trends and technologies, as well as efficient and effective solutions."

Adrian Black, Founder Ticked Off

“In a short period of time, Sam demonstrated an exceptional ability to align the right technical expertise with our specific needs.”

“In a short period of time, Sam demonstrated an exceptional ability to align the right technical expertise with our specific needs.”

Tim Buric, CTO Agilyx

“Sam guided us through the design and development process in a way we wouldn’t be able to do on our own. We’re very happy to partner with him.”

“Sam guided us through the design and development process in a way we wouldn't be able to do on our own. We’re very happy to partner with him.”

Thomas Roper, Engineer Lendlease

“I’ve worked with Sam and his team for over 4 years over multiple projects. Phenomenal.”

"I've worked with Sam and his team for over 4 years over multiple projects. Phenomenal.”

Andrew Raso, Group-CEO Online Marketing Gurus

“Sam and his team are great. They built really cool tools for us, and we look forward to doing more together as partners.”

"Sam and his team are great. They built really cool tools for us, and we look forward to doing more together as partners.”

Matthew Freebury, Director FMCG Analytics

“We spotted a market gap, and Sam helped us seize it quickly. His team built a product that gave us real advantage.”

“We spotted a market gap, and Sam helped us seize it quickly. His team built a product that gave us real advantage.”

Michael Soukie, Founder Scafflinq

“Sam introduced remarkable insights, and his passion for world-class quality delivered wonderful results for the business.”

"Sam introduced remarkable insights, and his passion for world-class quality delivered wonderful results for the business.”

George Betsis, Founder Stickytape

“Sam has a keen understanding of our company and our clients’ needs. His technical knowledge enables him to deploy solutions that continue to further our growth.”

“Sam has a keen understanding of our company and our clients’ needs. His technical knowledge enables him to deploy solutions that continue to further our growth.”

Michael Kalucy, Managing Director Workhouse

“Sam is everything we want in a fractional CTO. He understands our needs, works as if he owns the product, and comes up with innovative solutions quickly.”

“Sam is everything we want in a fractional CTO. He understands our needs, works as if he owns the product, and comes up with innovative solutions quickly.”

Malaz Majanni, CEO OnePath Network

“Sam’s competency, attention to detail, and technical skills were impressive. What he built with us has been adding value to our business for over 5 years.”

“Sam's competency, attention to detail, and technical skills were impressive. What he built with us has been adding value to our business for over 5 years.”

Anastasia Lobanova, SAP Analyst Agrana Fruit

“Sam took a concept and together with his team, turned it into a product we’re genuinely proud of. Their passion makes them a joy to work with.”

“Sam took a concept and together with his team, turned it into a product we’re genuinely proud of. Their passion makes them a joy to work with.”

Trent Carney, Founder MyCanary

WHAT WE DO, IN PLAIN TERMS

Custom Software Developers in Sydney

I'm Sam Halcrow. I'm a Sydney-based Fractional CTO running a software development company with clients across Australia. My team and I have delivered over one million hours of engineering to 253 companies in 16 years.

Software Development Services

Bespoke Software Development for Your Business

Enterprise Software Development and Integrations

Cloud and AI Engineering

Timelines, Tech Stack and Existing Builds

Why Choose Us for Software Development

HOW TO START working with us

HOW TO START working with us

Work with our team of software developers

Work with our team of software developers

Three steps to start. The first one costs you nothing but gives you what you need at this moment.

Three steps to start. The first one costs you nothing but gives you what you need at this moment.

STEP 1

Tell us about your project

Describe what you're building and the skills you think you need. We'll ask the questions that help us match the right developers to it.

Describe what you're building and the skills you think you need. We'll ask the questions that help us match the right developers to it.

STEP 2

We send you a scope and team plan

You get a written plan with phases and honest estimates, along with the developers we'd put on your project. You keep it whether or not we work together.

You get a written plan with phases and honest estimates, along with the developers we'd put on your project. You keep it whether or not we work together.

STEP 3

Our developers get started

Once you decide to go ahead, our developers join your project and start building, working directly with you and your team.

Once you decide to go ahead, our developers join your project and start building, working directly with you and your team.

FAQ

What we're asked before our developers start

How do you price?

Who owns the code and IP?

Can you take over an existing build or vendor situation?

How quickly can you start?

Where are you based?

FAQ

What we're asked before our developers start

How do you price?

Who owns the code and IP?

Can you take over an existing build or vendor situation?

How quickly can you start?

Where are you based?

FAQ

What we're asked before our developers start

How do you price?

Who owns the code and IP?

Can you take over an existing build or vendor situation?

How quickly can you start?

Where are you based?

READY?

Let's talk about your software project

Visit our office in Surry Hills

Exterior of a building with orange awnings and a sign above the door that reads “Prospect.”

Halcrow Office

Level 3, 116 Devonshire Street Surry Hills NSW 2010

Meet on a video call

A short call to talk through what you're building

© 2026 Halcrow | Privacy Policy

READY?

Let's talk about your software project

Visit our office in Surry Hills

Exterior of a building with orange awnings and a sign above the door that reads “Prospect.”

Halcrow Office

Level 3, 116 Devonshire Street Surry Hills NSW 2010

Meet on a video call

A short call to talk through what you're building

© 2026 Halcrow | Privacy Policy

READY?

Let's talk about your software project

Visit our office in Surry Hills

Exterior of a building with orange awnings and a sign above the door that reads “Prospect.”

Halcrow Office

Level 3, 116 Devonshire Street Surry Hills NSW 2010

Meet on a video call

A short call to talk through what you're building

© 2026 Halcrow | Privacy Policy