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









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.



Customers love Halcrow
Automotive
Research & Development
Automotive
Research & Development
Artificial Intelligence
Business Operations
Fashion
Retail & Consumer
Finance
Corporate Accounting
Artificial Intelligence
Energy Storage
Finance
Research & Development
Automotive
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.


Why Java Still Wins
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
01
Java Specialists
Specialists in serious, long-lived systems
01
Java Specialists
Specialists in serious, long-lived systems
01
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
03
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
04
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

Sound like you?

Sound like you?

Sound like you?
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
Relevant frameoworks
Must-have add-ons you can’t miss out
Relevant services
Keep everyone in sync
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.









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