Work

Selected case studies

Fewer, deeper stories. Each study covers starting state, constraints, approach, what shipped, stack rationale, outcomes, and lessons — the evidence AU/US buyers use when shortlisting partners.

How to read these studies

Custom software credibility comes from how constraints were handled — not from logo walls. We publish starting conditions, trade-offs, and outcomes so you can judge fit. Where client permission allows naming, we name; narratives are grounded in real engagement themes from our Australia and USA work.

Jump to a study via the anchors below or scroll the full page.
Compare constraints to your own — that is the fastest filter.
Follow industry and service links when you want adjacent depth.

Walsh & Co.Foster Digital Harbor Logistics

E-commerce & Retail·Melbourne, Australia

Legacy retail platform modernization

Walsh & Co.

A Melbourne retail operator needed to escape aging systems without pausing daily operations. Yakx delivered a phased modernization with weekly demos, client-owned infrastructure, and a maintainable codebase that shipped ahead of the agreed schedule.

Starting state

Core retail workflows ran on aging systems that were slow to change and expensive to extend.
Operational knowledge lived partly in the software and partly in people’s heads — making every change risky.
The business needed modernization without a big-bang cutover that could interrupt trading.
Stakeholders in Australia needed a partner who could communicate clearly across timezones with an India-based delivery team.

Constraints

No pause on day-to-day operations

Orders and catalog work had to continue. Migration sequencing and rollback options were mandatory, not optional.

Phased cutover only

High-risk journeys moved first. Coexistence between old and new paths had to be planned explicitly.

Timezone-aware collaboration

Melbourne stakeholders required predictable updates and decision windows that did not depend on constant synchronous meetings.

Ownership and maintainability

The result had to be a codebase and cloud setup the client owned — not a black box.

Approach

Discovery that mapped failure modes

Workshops focused on critical journeys and where the legacy system hurt most — not a generic feature laundry list.

Architecture baseline + thin slice

Before a wide rebuild, we proved the approach on a vertical slice covering the highest-risk flow end to end.

Weekly demos with acceptance

Stakeholders saw working software every week and accepted milestones deliberately, reducing late surprises.

Handoff as part of delivery

Documentation and support runway were included so launch was not the end of accountability.

What shipped

Modern web platform replacing the highest-risk legacy flows
Admin tooling for catalog and order operations
Staged cutover path with coexistence for remaining legacy surfaces
Client-owned repositories and cloud configuration
Handoff documentation and post-launch support runway

Stack & rationale

ReactNode.jsPostgreSQLAWSCI/CD

A TypeScript-friendly web stack with PostgreSQL gave a maintainable foundation for retail workflows. AWS hosted environments the client controlled, with CI to keep releases repeatable.

Outcomes

Ahead of schedule

The agreed modernization milestones were delivered early relative to the baseline plan.

Faster change lead time

New retail workflows no longer required brittle changes to opaque legacy modules.

Maintainable ownership

The client retained a codebase and infrastructure path any competent team could continue.

Lessons we carry forward

Exception paths and admin tools deserve first-class design — they are where ops lives.
Thin slices beat speculative big rewrites when trading cannot stop.
Timezone collaboration works when demos and written decisions are ritualized.

“Yakx transformed our legacy systems into a modern platform. Their team understood our business from day one and delivered ahead of schedule.”
David Walsh · Walsh & Co., Melbourne

Field operations·Chicago, USA

US field-ops mobile application

Foster Digital

A US digital services firm needed a mobile application so field teams could complete workflows away from the desk. Yakx delivered a production mobile client against existing APIs, with release discipline and support cadence that made the app essential to daily operations.

Starting state

Field teams depended on desktop-oriented workflows that broke down on-site.
Operational APIs already existed, but no reliable mobile experience sat on top of them.
Device variety and connectivity conditions across US regions made “works on my laptop” insufficient.
Leadership needed a partner who could ship iteratively without losing quality or communication discipline.

Constraints

Existing backend contracts

The mobile client had to respect API realities — gaps had to be surfaced early, not discovered at store submission.

Field conditions

Flows had to tolerate imperfect connectivity and diverse devices used by field staff.

Release and support cadence

A one-off build was not enough; the organization needed a path for updates and defect response.

US stakeholder alignment

Chicago-based reviewers needed weekly visibility into builds and a clear backlog.

Approach

Journey mapping for field reality

We mapped the jobs field staff actually perform, including unhappy paths and offline-tolerant considerations where scoped.

API contract review first

Before UI polish, we validated auth, roles, and endpoint fitness — documenting gaps for backend owners.

Weekly builds for ops review

Operations leads reviewed real builds, not mockups alone, which kept prioritization honest.

Store and release readiness

Submission prep and a support process were treated as part of done, not a postscript.

What shipped

Mobile application for field operations
Auth and role-aware access for field vs office users
Integration with existing operational APIs
Release checklist and structured update path
Post-launch support process with clear ownership

Stack & rationale

FlutterTypeScriptREST APIsCI/CD

Flutter provided a single mobile codebase for iOS and Android under time pressure, while TypeScript-friendly API contracts kept client/server boundaries explicit.

Outcomes

Essential for field ops

The app became part of daily US field operations rather than an optional side tool.

Better field–ops loop

Status and task completion improved because capture happened at the point of work.

Ongoing partnership

Delivery continued beyond the initial release as the product roadmap evolved.

Lessons we carry forward

API fitness is a product risk — spike it before UI commitments harden.
Field UX is won or lost on edge cases, not hero screens.
Support cadence should be contracted before go-live.

“Professional, responsive, and technically excellent. The mobile app they built has become essential for our field operations across the US.”
Emily Foster · Foster Digital, Chicago

Logistics & Supply Chain·San Diego, USA

Logistics MVP to scale

Harbor Logistics

A logistics startup needed an end-to-end partner to take an MVP into a product that could absorb growing operational volume. Yakx provided product engineering, cloud foundations, and transparent cadence from first release through scale.

Starting state

The company needed software that could prove the operational loop quickly without overbuilding.
Workflows were still evolving while customers and volume expectations were rising.
Early-stage budget pressure meant ruthlessly prioritized scope.
US stakeholders required transparent communication with an offshore delivery team.

Constraints

MVP discipline under budget pressure

Every feature had to earn its place against learning goals and operational risk.

Evolving ops workflows

The product had to change as the business learned — without constant rewrite chaos.

Scale path required

Hosting, monitoring, and architecture needed a credible growth path beyond the first users.

Communication clarity

San Diego stakeholders needed weekly proof of progress and a visible backlog.

Approach

Thin MVP around the core ops loop

We scoped the smallest end-to-end loop that created operational value, deferring adjacent nice-to-haves.

Agile sprints with explicit ranking

Weekly updates and backlog ranking kept evolving workflows from turning into uncontrolled scope creep.

Hardening as usage grew

Cloud foundations, monitoring, and reliability work expanded with volume rather than pretending day-one perfection.

End-to-end ownership

Design, build, and cloud concerns stayed with one partner to reduce coordination tax for a lean startup team.

What shipped

MVP operational platform for core logistics workflows
Incremental feature releases toward higher volume
Cloud foundation suitable for ongoing product growth
Monitoring basics and release discipline
Continuity into later roadmap work

Stack & rationale

Next.jsNode.jsPostgreSQLDockerAWS

A modern web stack with PostgreSQL supported fast iteration on operational workflows, while Docker and AWS provided a path from MVP hosting to more disciplined environments.

Outcomes

MVP through scale partnership

Yakx remained the delivery partner as the product moved beyond first release.

Reduced coordination overhead

End-to-end ownership meant fewer vendors to align for a lean team.

Foundation for continued iteration

The architecture and cadence supported ongoing product changes as ops matured.

Lessons we carry forward

Startups need MVP ruthlessness and a scale path — not one or the other.
Evolving workflows require change control that is lightweight but real.
Transparent cadence is a product feature for offshore partnerships.

“We needed a reliable IT partner for our startup — Yakx provided end-to-end support from MVP to scale. Highly recommended for growing businesses.”
Michael Torres · Harbor Logistics, San Diego

Ready to Build Something Great?

Have a similar constraint set? Tell us about it — we will share how we would approach discovery for your context.

yakxinternational@gmail.com