Hillert, Inc.

HILLERT, INC. / SOFTWARE ENGINEERING

Serious software.
Built with purpose.

We design, build, and modernize production software.
Java & Spring expertise. For clients and for ourselves.

Explore services Explore Pembana
Lush tropical palms and ferns at Kelley Orchidland Garden, Hawaiʻi
Rooted in Hawaiʻi.Engineering for what’s next.
THOUGHTFUL ARCHITECTURE. PRACTICAL DELIVERY.Discover how we help

01 / SERVICES

Deep expertise.
Real-world outcomes.

Spring & software engineering services for the work that matters.

Our services
01

Spring
Consulting

Get clarity on complex applications. Architecture, troubleshooting, and guidance grounded in deep Spring experience.

 02

Software
Development

Turn a product idea or integration challenge into maintainable software that works in production.

 03

Architecture &
Modernization

Find a practical path forward for existing systems. Improve reliability, performance, and your ability to keep evolving.
OUR OWN PRODUCTPembana — Collecting Plants

Better tools for living plant collections.

BOTANICAL COLLECTIONS / SOFTWARE WITH ROOTS

02 / PRODUCT ENGINEERING

We build software
ourselves, too.

Pembana is our software platform for managing botanical living collections.

Designed and built by Hillert, Inc., it brings our approach to architecture, data, and long-term software ownership into a product of our own.

Visit Pembana

THE TOOLS BEHIND THE WORK

Java / Spring / PostgreSQL & PostGIS / Integration / Cloud architecture

03 / SELECTED WRITING

From the workbench.

Ideas and lessons from hands-on engineering.

All writing
Gunnar Hillert

04 / THE PERSON BEHIND THE WORK

Meet Gunnar Hillert.

A software engineer, open-source contributor, and former Spring team member. When you work with Hillert, Inc., you work directly with the person designing and building your software.

More about Gunnar

LET’S TALK

What are you
building next?

Tell us what you’re trying to build, improve, or modernize.

Start a conversation