HALCROW + JAVA

Building or Scaling in Java?

Reliable Java Engineering, From People Who Care How It’s Built

We come from Vikings—and engineers. We build systems that are expected to live for years, evolve under pressure, and scale with purpose. Java fits that bill better than most. But only when it’s used with discipline, not by default.

At Halcrow, Java isn’t legacy—it’s a weapon. We wield it like craftsmen: intentional, precise, and obsessed with how it runs.

Over one million engineering hours delivered to Australia's mid-market entrepreneurs and intrapreneurs

Over one million engineering hours delivered to Australia's mid-market entrepreneurs and intrapreneurs

Over one million engineering hours delivered to Australia's mid-market entrepreneurs and intrapreneurs

In a dimly lit room, a person is seated at a wooden desk, focused on a dual-monitor setup displaying lines of code, with a laptop open beside them, a steaming mug and a modern desk lamp adding a cozy atmosphere.
In a dimly lit room, a person is seated at a wooden desk, focused on a dual-monitor setup displaying lines of code, with a laptop open beside them, a steaming mug and a modern desk lamp adding a cozy atmosphere.
In a dimly lit room, a person is seated at a wooden desk, focused on a dual-monitor setup displaying lines of code, with a laptop open beside them, a steaming mug and a modern desk lamp adding a cozy atmosphere.

This isn’t just your business.

It’s your legacy.

Watch the video

Watch the video

Watch the video

Common misconceptions

What most teams get wrong

Java gets a bad rap—not because of the language, but because of how people use it. Over-engineered frameworks, unclear layering, and sloppy architecture turn something strong into something brittle. The problem isn’t Java—it’s misuse.

What they get wrong

Artifact

They assume Java slows teams down—too verbose, too heavy, not suited for modern product velocity.

But the real issue isn’t Java itself—it’s how teams misuse it.

They treat Java like a scripting language, layering frameworks on frameworks and building brittle abstractions that fight the JVM rather than work with it.


They assume Java slows teams down—too verbose, too heavy, not suited for modern product velocity.

But the real issue isn’t Java itself—it’s how teams misuse it.

They treat Java like a scripting language, layering frameworks on frameworks and building brittle abstractions that fight the JVM rather than work with it.


How good teams see Java

Artifact

We don’t treat Java as technical debt.


We treat it as an industrial-strength toolchain that rewards skill.

We tune the JVM, respect the type system, and architect for thread-aware scale.

We build Java systems like race cars—not just to run, but to win under load.

We don’t treat Java as technical debt.


We treat it as an industrial-strength toolchain that rewards skill.

We tune the JVM, respect the type system, and architect for thread-aware scale.

We build Java systems like race cars—not just to run, but to win under load.

VS

This is how Halcrow does Java

Lightweight Spring Boot, not Jenga towers

Clean interfaces, not clever abstractions

GC-aware, thread-safe, observability-ready builds
Build pipelines that don't rot

TESTIMONIAL

TESTIMONIAL

TESTIMONIAL

"I genuinely could not ask for anything else from this long held and successful relationship.”

"I genuinely could not ask for anything else from this long held and successful relationship.”

"I genuinely could not ask for anything else from this long held and successful relationship.”

Adrian Black

Adrian Black

Adrian Black

Founder & Managing Director, Ticked Off App

Founder & Managing Director, Ticked Off App

Founder & Managing Director, Ticked Off App

What we build in Java

We use Java to build fast, scalable systems that actually solve problems:

High-performance APIs and core business services

Maximize performance with AI-powered automation that continuously refines repetitive workflows for maximum efficiency gains.

High-performance APIs and core business services

Maximize performance with AI-powered automation that continuously refines repetitive workflows for maximum efficiency gains.

High-performance APIs and core business services

Maximize performance with AI-powered automation that continuously refines repetitive workflows for maximum efficiency gains.

JVM-based microservice architectures

Streamline operations with AI agents that learn, adapt, and execute complex operational tasks with precision and speed.

JVM-based microservice architectures

Streamline operations with AI agents that learn, adapt, and execute complex operational tasks with precision and speed.

JVM-based microservice architectures

Streamline operations with AI agents that learn, adapt, and execute complex operational tasks with precision and speed.

Real-time data ingestion pipelines

Leverage real-time analytics to anticipate organizational bottlenecks, optimize processes, and enhance decision-making.

Real-time data ingestion pipelines

Leverage real-time analytics to anticipate organizational bottlenecks, optimize processes, and enhance decision-making.

Real-time data ingestion pipelines

Leverage real-time analytics to anticipate organizational bottlenecks, optimize processes, and enhance decision-making.

Legacy Java monolith refactors

Maximize performance with AI-powered automation that continuously refines repetitive workflows for maximum efficiency gains.

Legacy Java monolith refactors

Maximize performance with AI-powered automation that continuously refines repetitive workflows for maximum efficiency gains.

Legacy Java monolith refactors

Maximize performance with AI-powered automation that continuously refines repetitive workflows for maximum efficiency gains.

Secure-by-default enterprise platforms

Streamline operations with AI agents that learn, adapt, and execute complex operational tasks with precision and speed.

Secure-by-default enterprise platforms

Streamline operations with AI agents that learn, adapt, and execute complex operational tasks with precision and speed.

Secure-by-default enterprise platforms

Streamline operations with AI agents that learn, adapt, and execute complex operational tasks with precision and speed.

Integration layers for Salesforce, Workday, Oracle & more

Leverage real-time analytics to anticipate organizational bottlenecks, optimize processes, and enhance decision-making.

Integration layers for Salesforce, Workday, Oracle & more

Leverage real-time analytics to anticipate organizational bottlenecks, optimize processes, and enhance decision-making.

Integration layers for Salesforce, Workday, Oracle & more

Leverage real-time analytics to anticipate organizational bottlenecks, optimize processes, and enhance decision-making.

WORK SNAPSHOT

We helped TickedOff Make smarter, faster decisions with real-time data and actionable insight.

Smiling man and woman sitting on a couch, chatting in warm natural light with a plant nearby
Smiling man and woman sitting on a couch, chatting in warm natural light with a plant nearby
Smiling man and woman sitting on a couch, chatting in warm natural light with a plant nearby

Customers love Halcrow

Automotive

Research & Development

Automotive

Research & Development

Artificial Intelligence

Business Operations

Fashion

Retail & Consumer

Finance

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Corporate Accounting

Artificial Intelligence

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Energy Storage

Finance

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Research & Development

Automotive

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Research & Development

Connect to Content

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Connect to Content

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ABOUT HALCROW

ABOUT HALCROW

ABOUT HALCROW

We're serious about realising your ambition

We only hire great minds who treat your ambition as their own—a culture that’s just been recognised with the Best Workplaces in Technology award.


Message from CEO Sam Halcrow, showcasing trust and innovation as a technology partner.

Why Java Still Wins

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Mature, stable, and future-proof

Java’s not the new kid—and that’s a good thing. It’s been hardened over decades, which means predictable behavior, long-term community support, and an ecosystem that won’t vanish in two years. When you’re building systems meant to last, that maturity matters.

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Mature, stable, and future-proof

Java’s not the new kid—and that’s a good thing. It’s been hardened over decades, which means predictable behavior, long-term community support, and an ecosystem that won’t vanish in two years. When you’re building systems meant to last, that maturity matters.

Icon

Mature, stable, and future-proof

Java’s not the new kid—and that’s a good thing. It’s been hardened over decades, which means predictable behavior, long-term community support, and an ecosystem that won’t vanish in two years. When you’re building systems meant to last, that maturity matters.

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Unmatched runtime tooling and observability

From JFR (Java Flight Recorder) to JMX, VisualVM, and custom metrics via Micrometer or Prometheus—Java’s runtime introspection is best-in-class. You can see exactly what your app is doing under load, tune it without guesswork, and debug without diffing logs from five systems.

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Unmatched runtime tooling and observability

From JFR (Java Flight Recorder) to JMX, VisualVM, and custom metrics via Micrometer or Prometheus—Java’s runtime introspection is best-in-class. You can see exactly what your app is doing under load, tune it without guesswork, and debug without diffing logs from five systems.

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Unmatched runtime tooling and observability

From JFR (Java Flight Recorder) to JMX, VisualVM, and custom metrics via Micrometer or Prometheus—Java’s runtime introspection is best-in-class. You can see exactly what your app is doing under load, tune it without guesswork, and debug without diffing logs from five systems.

Type-safe and thread-friendly at scale

Java’s type system might seem strict, but that’s the point: it protects you from runtime disasters. Combined with robust concurrency primitives and a powerful memory model, Java is one of the few languages where you can confidently scale multi-threaded apps without inviting chaos.

Type-safe and thread-friendly at scale

Java’s type system might seem strict, but that’s the point: it protects you from runtime disasters. Combined with robust concurrency primitives and a powerful memory model, Java is one of the few languages where you can confidently scale multi-threaded apps without inviting chaos.

Type-safe and thread-friendly at scale

Java’s type system might seem strict, but that’s the point: it protects you from runtime disasters. Combined with robust concurrency primitives and a powerful memory model, Java is one of the few languages where you can confidently scale multi-threaded apps without inviting chaos.

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JVM polyglot options (Kotlin, Scala, Groovy)

The JVM is more than Java. Whether you want Kotlin’s conciseness, Scala’s expressiveness, or Groovy’s scripting flexibility, the Java ecosystem gives you options—all running on the same reliable runtime. You can choose the right tool for each part of the job, without leaving the platform.

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JVM polyglot options (Kotlin, Scala, Groovy)

The JVM is more than Java. Whether you want Kotlin’s conciseness, Scala’s expressiveness, or Groovy’s scripting flexibility, the Java ecosystem gives you options—all running on the same reliable runtime. You can choose the right tool for each part of the job, without leaving the platform.

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JVM polyglot options (Kotlin, Scala, Groovy)

The JVM is more than Java. Whether you want Kotlin’s conciseness, Scala’s expressiveness, or Groovy’s scripting flexibility, the Java ecosystem gives you options—all running on the same reliable runtime. You can choose the right tool for each part of the job, without leaving the platform.

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Battle-tested in finance, logistics, health, and supply chain

Java runs the global economy. It's embedded in systems where precision, uptime, and performance aren’t negotiable. If industries with zero tolerance for downtime trust Java, that says everything.

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Battle-tested in finance, logistics, health, and supply chain

Java runs the global economy. It's embedded in systems where precision, uptime, and performance aren’t negotiable. If industries with zero tolerance for downtime trust Java, that says everything.

Icon

Battle-tested in finance, logistics, health, and supply chain

Java runs the global economy. It's embedded in systems where precision, uptime, and performance aren’t negotiable. If industries with zero tolerance for downtime trust Java, that says everything.

Why Halcrow

We don’t write Java like a formality.
We write it like it’ll carry your business—and our name—for the next 10 years.

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Java Specialists

Specialists in serious, long-lived systems

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Java Specialists

Specialists in serious, long-lived systems

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Java Specialists

Specialists in serious, long-lived systems

02

Ownership

Deep JVM performance tuning

02

Ownership

Deep JVM performance tuning

02

Ownership

Deep JVM performance tuning

03

Obsession

Obsession with craftsmanship—at the code level

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Obsession

Obsession with craftsmanship—at the code level

03

Obsession

Obsession with craftsmanship—at the code level

04

Craftsmanship

From model cars to modern systems, we’ve always cared about how it’s made

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Craftsmanship

From model cars to modern systems, we’ve always cared about how it’s made

04

Craftsmanship

From model cars to modern systems, we’ve always cared about how it’s made

Frequently asked questions

What does Halcrow do?

What does Halcrow do?

What does Halcrow do?

How is Halcrow different from a software agency or consultancy?

How is Halcrow different from a software agency or consultancy?

How is Halcrow different from a software agency or consultancy?

Who does Halcrow work with?

Who does Halcrow work with?

Who does Halcrow work with?

Which industries does Halcrow support?

Which industries does Halcrow support?

Which industries does Halcrow support?

What is an embedded team model?

What is an embedded team model?

What is an embedded team model?

What if I don't know exactly what I need yet?

What if I don't know exactly what I need yet?

What if I don't know exactly what I need yet?

Are you building on these platforms?

Deploy Artifact’s proven optimization protocols for sustainable growth

GET STARTED

Let's talk about your Java estate.

Transforming potential into performance

Transforming potential into performance

If you care about stability, predictability, and runtime confidence—Java still delivers.

We write it like it’ll carry your business—and our name—for the next 10 years.

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$5.1M+ revenue unlocked through optimization.
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$5.1M+ revenue unlocked through optimization.
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$5.1M+ revenue unlocked through optimization.
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Man with short dark hair wearing a light green shirt, sitting near a window in soft light
Man with short dark hair wearing a light green shirt, sitting near a window in soft light

Get started

Ready to talk?

We’ll meet you at the edge of what’s next—the moment before momentum, when clarity matters most and execution decides everything.

Clutch.co

4.8 Stars

Get started

Ready to talk?

We’ll meet you at the edge of what’s next—the moment before momentum, when clarity matters most and execution decides everything.

Clutch.co

4.8 Stars

Get started

Ready to talk?

We’ll meet you at the edge of what’s next—the moment before momentum, when clarity matters most and execution decides everything.

Clutch.co

4.8 Stars