Here’s the lazy belief I’d push back on straight away: if you cannot hire a strong senior software developer, the market must be broken. Most of the time, it is not the market. It is the brief, the bar, and the way the hiring team keeps changing the role mid-search.
senior software developer hiring mistakes Australian companies make
I see that sentence trotted out across Sydney boardrooms and Slack channels, as if someone could wave a spreadsheet and conjure up a suitable hire. The truth is less dramatic, and more avoidable. When I review searches that have stalled I find patterns, not a mythical talent drought. The most common problem is the starting signal, the engineering hiring brief, which too often asks for a Swiss army knife and promises no decision-maker.
We ask for clarity because senior hires are not junior order-takers. A senior software developer in Sydney will evaluate the team, the product, the stack, and the decision rhythm before they unpack their CV. The same applies across Australia, whether the role is labelled Senior Backend Engineer, Principal Frontend, or AI Engineer. Bluntly, if your engineering hiring brief leaves the role blurry, you will invite ambiguity through every stage of the process.
Your brief is where most searches die
Hiring is a funnel, but the first leak is almost always the brief. I have sat with founders who start a search with urgent language and a paragraph of desirable adjectives. Urgent, but unclear. They want someone who can “own the platform, ship features, mentor the team, and set the roadmap”, and the role will be half-remote, half-on-site, report into product, but be accountable to engineering. That reads like power in theory, confusion in practice.
An engineering hiring brief should make two things obvious, immediately. One, what the person will spend 70 percent of their time doing in the first six to twelve months. Two, who is the final decision-maker and what criteria they will use. If you cannot state those two things succinctly then you are not hiring, you are shopping.
There are market forces at play. The Australian Bureau of Statistics shows employment participation remains high even as vacancies have been unusually elevated over recent years, which means competition for experienced talent is fierce. LinkedIn and SEEK reports have repeatedly highlighted that hiring delays correlate not with absolute absence of candidates but with mismatches between role expectation and role reality. Candidates exist, but they decline processes that look like an open-ended experiment.
If three stakeholders want three different hires, you do not have a search yet
One of the most destructive patterns I see is stakeholder multiplication. There will be the CTO who wants deep systems and architecture thinking, the head of product who wants rapid feature delivery and experimentation, and the CEO who wants someone to scale growth and investor narratives. All valid, all loud, and none aligned. The classic symptom is a role brief that toggles between architecture diagrams and growth KPIs depending on whose turn it is to speak.
A hiring brief is not a compromise document. It is a decision made visible. If you cannot get three stakeholders to commit to a single primary objective, you should not open the job. You will either attract candidates who are excellent at none of the things you need, or you will attract specialists who can see the misalignment and walk away. I have had clients agree to a shortlist only to rewrite the role after two interviews, because they “realised” what they actually needed. That behaviour signals indecision, and senior engineers take signals seriously.
When we design searches at Big Wave Digital we insist on a single-page role charter before going to market. That charter names the top two outcomes expected in the first year, the technologies that must be familiar, and who will make the hire. It reduces negotiations later. I am not suggesting every hire needs bureaucracy, I am suggesting you make the important trade-offs before you waste candidates’ time.
A great senior software developer will not decode a confused process for you
Senior engineers evaluate processes as proxies for company health. A long technical interview loop with unclear timelines, repeated take-home tasks that change scope mid-way, and interviewers who cannot answer basic product questions will make a candidate read the room. They do not interpret confusion as “we can grow into this role.” They interpret it as future friction.
One example: we worked with a Sydney scale-up that ran a four-stage interview process. Stage one was a cultural interview, stage two a system design exercise, stage three a take-home coding task, and stage four a live pairing session. Halfway through the search the hiring manager added a “strategy and roadmap” presentation because the CEO wanted to see “vision”. Candidates were told the presentation mattered for final salary. Several top-tier candidates withdrew after stage two because the signal was inconsistent, the process looked like a test of endurance rather than a measure of fit.
Interview design is not neutral. It communicates whether your organisation respects candidates’ time, whether decision-makers are aligned, and whether the role has a clear north star. Harvard Business Review has examined candidate drop-off rates and found cumbersome processes correlate strongly with higher withdrawal rates. The choice to run a lean, focused process is a message as powerful as the job description.
Hiring for proven depth is not the same as hiring for vague seniority
There is a lazy shorthand in hiring: “senior means more experience.” That has become a trap. Experience without context is noise. A well-crafted brief asks what depth looks like in practice. Do you need someone who has shipped distributed systems at scale, or someone who has led a small team through rewrites and migrations? Those are different benches of skill.
Seniority is a functional label. It should map to demonstrable outcomes: ownership of a codebase, successful delivery of a major initiative, or a track record of mentoring and hiring. When brief authors conflate “10 years” with “senior” they produce an engineering hiring brief that invites generalists and repels specialists. Senior developers weigh the specificity of required depth when deciding whether to engage; they can spot vague seniority from a kilometre away.
One pattern I see across Australian companies is the “layer cake” brief, where employers stack multiple senior roles into one advertisement to save headcount or to avoid choosing between candidates. The result is an uncloseable search. I have had briefs that required deep backend systems, a modern frontend framework, machine learning experience, and people management all at once. There are people who can do most of those things, but they are either rare, expensive, or already placed. The smarter move is to be surgical about the one piece of depth you need now.
The fix is not more candidates, it is a sharper decision before you go to market
When hiring stalls the knee-jerk reaction is to widen the top of funnel, ask recruiters for more CVs, and run another job board campaign. That can work for volume hiring. It does not work for senior hires. I have seen teams triple their candidate volume and still conclude “the market is broken” because the new CVs matched the same vague brief that frightened off the right people in the first place.
A sharper decision means clarity on three questions before you post the role: what will success look like in month six, who signs off the hire, and which two skills will compensate for risk. If you can answer those in bullet points you will find the market responds. Clarity reduces wasted interviews, focuses sourcing, and allows candidates to make confident yes or no decisions quickly.
Practical adjustments that change outcomes fast include shortening your interview loop to three meaningful stages, assigning a single technical owner who can speak to architecture decisions, and replacing open-ended take-home projects with time-boxed pairing sessions. Those changes cut friction. They also change signalling. Candidates read a tight process as evidence of product maturity, not as a test of how patient they are feeling.
Replace the myth with a better working principle
I am not suggesting talent shortages never exist. In certain specialisms, like early-stage AI engineering, the supply curve is still catching up to demand. I walked the Bondi to Coogee coastal path recently and stopped at Clovelly thinking about the surge of AI engineer briefs we have received in the past six months, more than the previous three years combined. That influx creates real competition, and founders need to be honest about where the market is thin.
That said, blaming the market is a tidy deflection. Mark Twain put it this way, “It ain’t what you don’t know that gets you into trouble. It’s what you know for sure that just ain’t so.” The better working principle is simple. If you want senior software developer hiring to get easier, make the role narrow, make the decision makers aligned, and design a process that signals you know what you are hiring for.
When we apply that principle the difference is measurable. Teams that reduce their interview stages and clarify the hiring criteria see faster time-to-offer and higher acceptance rates. SEEK and LinkedIn data over the last few hiring cycles indicate that hiring friction, not candidate scarcity, accounts for a large share of stalled searches. That aligns with what I see day-to-day in Sydney and across Australia: the best candidates are not absent, they are selective.
When you open a senior role, treat it like a product launch. Ship a clear value proposition, test your messaging with one experienced engineer, and iterate the brief before you post. If three people want three different things, pause and decide which single outcome matters most now. That will save weeks, if not months, of misguided interviewing and candidate disappointment.
Finally, be mindful of the messages you send in the interview itself. If an interview round is a scramble to answer management questions, or if timelines slip and feedback is opaque, you are telling candidates something about how decisions are made in your business. Senior developers read those signals and align their own risk calculus accordingly.
Replace the myth that “the market is broken” with the working principle that hiring is a mirror of your internal clarity. Tighten the engineering hiring brief, name the one or two deep skills you truly need, and put a single decision-maker in the room. Do those things and you will be surprised how many searches that looked impossible start moving again.
The future is bright, let’s go there together!
Thanks for reading,
Cheers Keiran
Big Wave Digital.
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At Big Wave Digital, Sydney’s leading digital, blockchain and technical recruitment agency, we have deep connections, experience and proven expertise, and the ability to achieve a win for all parties in the challenging recruiting process. We can connect to highly coveted digital and tech talent with the world’s best employers.
Keiran Hathorn is the CEO & Founder of Big Wave Digital. A Sydney based niche Digital, Blockchain & Technology recruitment company. Keiran leads a high performance, experienced recruitment team, assisting companies of all sizes secure the best talent.
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