Tech Stack

54 tools we work with, and what each one is actually for

We pick the boring, proven option unless there is a reason not to. Every entry below says what we build with it and what that means for your business, because a wall of logos tells you nothing about whether we can solve your problem.

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Languages

The languages we reach for, and when each one is the right answer.

  • TypeScript

    Capability
    Typed application code across browser, server and shared packages.
    Benefit
    Whole classes of bug are caught while building, not by your customers.
  • JavaScript

    Capability
    The runtime underneath every browser and Node service we ship.
    Benefit
    Runs everywhere, with the largest hiring pool of any language.
  • Python

    Capability
    Data work, machine learning, automation scripts and internal tooling.
    Benefit
    The fastest route from an idea about your data to something that works.
  • PHP

    Capability
    Laravel and WordPress builds, plus maintaining established codebases.
    Benefit
    An existing PHP system can be improved instead of thrown away.
  • Go

    Capability
    Services where latency and memory behaviour have to be predictable.
    Benefit
    Steady response times under load, on smaller and cheaper infrastructure.

Backend

The server side: APIs, business rules and the data underneath them.

  • Node.js

    Capability
    APIs, real-time servers and background workers.
    Benefit
    One language across front and back, so features ship with less handover.
  • PHP

    Capability
    Server-rendered applications and integrations on existing PHP hosting.
    Benefit
    Works with the hosting and team you already have.
  • Go

    Capability
    High-throughput services: sync engines, settlement, real-time pipelines.
    Benefit
    Handles traffic spikes without falling over or scaling costs sharply.

Front end

What your customers and staff actually touch.

  • Angular

    Capability
    Large, long-lived applications and dashboards, with server-side rendering.
    Benefit
    Stays maintainable as it grows, and is indexable by search engines.
  • React

    Capability
    Component-driven interfaces and embeddable widgets.
    Benefit
    The widest ecosystem, so common problems are already solved.
  • Vue

    Capability
    Lighter interfaces and progressive enhancement of existing pages.
    Benefit
    Can be added to a site you already have, a page at a time.
  • Flutter

    Capability
    Mobile and desktop clients from a single codebase.
    Benefit
    iOS, Android and desktop without paying to build the same app three times.

Databases

Where the truth lives, and how quickly it can be read back.

  • PostgreSQL

    Capability
    Primary system of record where correctness is non-negotiable.
    Benefit
    Money and stock stay accurate, even when things fail mid-transaction.
  • MySQL

    Capability
    Relational storage for established applications and CMS platforms.
    Benefit
    Proven, widely hosted and inexpensive to run.
  • MongoDB

    Capability
    Document storage where the shape of the data keeps changing.
    Benefit
    New fields do not require a migration and a maintenance window.
  • Redis

    Capability
    Caching, locks, rate limits and short-lived reservation state.
    Benefit
    Pages feel instant, and two people cannot book the same seat.
  • ElasticSearch

    Capability
    Full-text search, filtering and faceted catalogue browsing.
    Benefit
    Customers find the right item instead of giving up on the search box.
  • SQLite

    Capability
    On-device storage for offline-first mobile and desktop clients.
    Benefit
    The app keeps working when the network does not.
  • Qdrant

    Capability
    Vector store behind semantic search and retrieval-grounded AI answers.
    Benefit
    Staff find the right document by meaning, not by guessing the right keyword.
  • Neo4j

    Capability
    Graph storage for relationship-heavy data: referrals, fraud rings, supply chains.
    Benefit
    Answers questions about how things connect that a table-based query cannot.

Operating system

What everything runs on.

  • Linux

    Capability
    Server provisioning, hardening, networking and performance tuning.
    Benefit
    No licence fees, and problems can be diagnosed all the way down.

Embedded & IoT

Hardware that reports in, and keeps working when nobody is watching it.

  • ESP32

    Capability
    Firmware for Wi-Fi and Bluetooth sensor nodes, with buffering and over-the-air updates.
    Benefit
    Devices keep recording through a dropout and are patched without a site visit.
  • MQTT

    Capability
    Lightweight publish/subscribe messaging between devices and the platform.
    Benefit
    Thousands of devices report in over patchy links without saturating them.

Frameworks

Conventions that keep a codebase legible after the first year.

  • NestJS

    Capability
    Structured TypeScript services with dependency injection and testing built in.
    Benefit
    A new developer can find their way around without a guided tour.
  • Laravel

    Capability
    Full-stack PHP applications, queues, scheduling and admin tooling.
    Benefit
    Fast to build and cheap to host for standard business applications.
  • Flask

    Capability
    Small Python services, especially around data and machine learning.
    Benefit
    A model becomes a usable internal service in days, not weeks.
  • Django

    Capability
    Full-stack Python applications with an admin, ORM and auth already built in.
    Benefit
    A working back office on day one, instead of months building one from scratch.
  • Express

    Capability
    Minimal HTTP layers and server-side rendering hosts.
    Benefit
    Little between your request and your code, so behaviour is easy to reason about.
  • FastAPI

    Capability
    Typed Python APIs with schema validation and generated documentation.
    Benefit
    The API documents itself, so integrations are quicker for everyone.

CMS

Content your team can change without calling a developer.

  • WordPress

    Capability
    Marketing sites, custom themes, plugins and WooCommerce work.
    Benefit
    Your team edits pages and posts themselves, at no ongoing cost to you.

CI/CD

How code gets from a commit to production without drama.

  • GitHub Actions

    Capability
    Build, test and deploy pipelines triggered on every change.
    Benefit
    Releases are routine and repeatable rather than a risky event.
  • Bitbucket Pipelines

    Capability
    The same automated delivery for teams already on Bitbucket.
    Benefit
    No need to migrate your repositories to modernise your releases.
  • Jenkins

    Capability
    Self-hosted pipelines where builds must stay inside your own network.
    Benefit
    Meets strict environments that will not allow a hosted runner.

Queues & messaging

How services talk without waiting on each other.

  • Apache Kafka

    Capability
    Durable event streams that can be replayed and audited.
    Benefit
    Nothing is lost in a failure, and history can be rebuilt after the fact.
  • Redis Pub/Sub

    Capability
    Low-latency fan-out for chat, presence and live dashboards.
    Benefit
    Screens update the moment something changes, without refreshing.
  • Google Pub/Sub

    Capability
    Managed messaging between services and across cloud projects.
    Benefit
    Scales on demand with no broker for anyone to babysit.
  • NATS

    Capability
    Lightweight request/reply and streaming between internal services.
    Benefit
    Very low overhead where every millisecond is visible to the user.

Infrastructure as code

Servers defined in version control, not assembled by hand.

  • Terraform

    Capability
    Declared cloud infrastructure, reviewed and applied like application code.
    Benefit
    A whole environment can be rebuilt from source after any incident.
  • Ansible

    Capability
    Repeatable server configuration and controlled release steps.
    Benefit
    Every machine is configured identically, so environments stop drifting.

Containers & orchestration

Packaging software so it runs the same everywhere.

  • Docker

    Capability
    Reproducible images containing the app and everything it needs.
    Benefit
    What passed testing is the exact artefact that reaches production.
  • Docker Swarm

    Capability
    Straightforward multi-host clustering for smaller deployments.
    Benefit
    Redundancy across servers without the cost of a full platform team.
  • Kubernetes

    Capability
    Scheduling, health gating, autoscaling and zero-downtime rollouts.
    Benefit
    Failed instances are replaced automatically, before anyone notices.
  • Helm

    Capability
    Versioned, parameterised packaging of Kubernetes deployments.
    Benefit
    A release can be rolled back in one command when something is wrong.

Cloud platforms

Where it all runs, chosen to fit the budget and the obligations.

  • AWS

    Capability
    EKS, RDS, S3 and IAM for production workloads with compliance requirements.
    Benefit
    Australian data residency and the deepest set of managed services.
  • Google Cloud & Firebase

    Capability
    Hosting, App Hosting, Firestore and managed messaging.
    Benefit
    Very low cost at small scale, with room to grow without re-platforming.
  • DigitalOcean

    Capability
    Simple, predictable compute for smaller production systems.
    Benefit
    A flat monthly bill you can forecast, with no surprise egress charges.

AI & automation

Applied AI with guardrails, not a chatbot bolted onto the side.

  • LangGraph

    Capability
    Stateful agent workflows that are durable, resumable and inspectable.
    Benefit
    Every automated decision can be traced and replayed when questioned.
  • LangChain

    Capability
    Retrieval pipelines that ground answers in your own documents.
    Benefit
    Answers cite your policies instead of being invented.
  • OpenAI & LLM APIs

    Capability
    Extraction, summarisation and classification inside bounded workflows.
    Benefit
    Hours of reading and re-keying removed, with a human on the exceptions.
  • n8n

    Capability
    Visual automation connecting the tools your team already uses.
    Benefit
    Your team can see and adjust the workflow without writing code.

Project & code

How the work is tracked, reviewed and handed over.

  • GitHub

    Capability
    Source control, pull-request review and protected branches.
    Benefit
    The repository can sit in your own account, and every change has a reviewer and a reason.
  • GitLab

    Capability
    The same workflow for teams standardised on GitLab, including self-hosted.
    Benefit
    Fits your existing tooling and any on-premise requirement.
  • Jira

    Capability
    Backlogs, sprints and release tracking visible to you throughout.
    Benefit
    You can see what is being worked on without asking for a status update.
  • Agile delivery

    Capability
    Short iterations with working software and a demo at the end of each.
    Benefit
    You course-correct early, rather than after the budget is spent.

Wondering which of these your problem needs?

Tell us about the process and we will tell you, honestly, what would actually help.

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Melbourne, Victoria, Australia0401 570 789hello@aussiesync.com.au