Episode 62

Rebuilding Engineering Hiring for the Rise of AI

About this Episode

In this episode, Jonathan Durnford-Smith, Head of Talent at Synthesia, makes the case that talent is not a support function, it is a growth lever, and that the way most recruiting teams are operating right now is fundamentally misaligned with how fast businesses are moving. 

Drawing on his experience scaling teams through some of the most demanding growth environments in tech, Jonathan shares how he rebuilt Synthesia's entire engineering hiring process from the ground up, what that process now actually tests for, and what it took to get leadership bought into a model built on rapid iteration and honest pushback. He also gets into why "culture fit" is one of the most misused phrases in hiring and what talent teams should be asking instead.

Topics

Recruiting Ops
Hiring

This Episode's Guest

Jon Durnford-Smith

Head of Talent @ Synthesia

Jonathan Durnford-Smith is the Head of Talent at Synthesia, the AI video communications platform based in London. He has spent his career building talent functions inside high growth environments including Google DeepMind and QuantumBlack, the AI consultancy later acquired by McKinsey, where he was founding recruiter and helped scale the company from 37 to over 350 people.

Takeaway 1

Role Requirements Have Changed With AI, Most Hiring Processes Have Not ⛔

When AI changed what Synthesia needed from its engineers, Jonathan did not just update a job description. He got his team in a room and asked a harder question: where are we failing, where are we moving slowly, and if we could hire ten perfect people to fix those problems tomorrow, what would their attributes be? That conversation became the foundation for a complete overhaul of how Synthesia hires engineers, shifting away from the strongest focus being syntax and code execution toward customer empathy, product sense, and the ability to gather requirements and challenge a brief before writing a single line of code.

Why It Matters:
Defining what you actually need, with real clarity and specificity, before you start talking to candidates is where most of the recruiting problem lives. In a market where what a role requires can shift in a matter of months, that definition work is not a one-time exercise. The best talent teams build it into their regular rhythm with hiring leads and interviewers, revisiting and recalibrating as the business evolves rather than waiting until the process is visibly broken.

Quick Tips

  • Ask where the business is struggling before you define the role. The attributes you hire for should come directly from an honest conversation about where the team is failing and where it is moving too slowly. That diagnostic is what separates a role profile that actually solves a problem from one that just fills a seat.
  • Let the interview reflect what the job actually demands. If your engineers are expected to use AI tools every day and lead with customer empathy, your interview process should be testing for exactly that. An assessment that measures skills the role no longer prioritizes is actively filtering for the wrong people.
  • Build hiring calibration into your regular leadership rhythm. Jonathan's view is that companies should be questioning how they hire at least every six months. The pace of change in most roles right now demands it, and the teams that treat calibration as an ongoing conversation rather than a one-off exercise are the ones that stay ahead.

Takeaway 2

Your Hiring Process Should Mirror How Your Company Operates 🪞

When Synthesia's engineering team started responding well to the new interview approach, something Jonathan noticed went beyond the results themselves. The talent team had started operating the way engineering did, treating the hiring process as something to iterate on quickly, running small experiments, and moving forward without needing everything to be perfect first. That mirroring created a level of partnership between talent and engineering that changed the dynamic entirely.

At Synthesia, one of the core values is "own it and go direct," meaning anyone at any level has the autonomy to form a strong opinion, test it, and push it forward. Jonathan built his team to operate by that same principle.

Why It Matters:
A talent team that mirrors the pace and values of the organization it serves stops being a function that executes requests and starts being one that shapes outcomes. The difference shows up most clearly when business priorities shift quickly and talent is already in the room, already calibrated, and already asking the right questions about whether the profiles being hired for still match where the business is heading.

Quick Tips

  • Identify the cultural values your company operates by and build your talent function around them. At Synthesia that value is "own it and go direct." Understanding what drives your organization and reflecting it in how talent operates is what moves the relationship from transactional to genuinely collaborative.
  • Get leadership bought into iteration as a working principle, not just a result. Jonathan set expectations upfront that the team would experiment, some things would not work, and that was how progress would happen. That framing is what creates the room to actually improve without every change needing to be justified in advance.
  • Use regular calibration to keep hiring criteria visible and current. Synthesia's iterative approach forced ongoing dialogue with hiring leads and interviewers about whether they were hiring the right profiles for where the business was heading. That conversation is what keeps the bar from drifting in the wrong direction over time.

Takeaway 3

Stop Filling Roles, Start Building Capabilities 🔧

Jonathan is candid about where the service-function mindset in talent leads. Recruiters go into autopilot, focus on closing reqs, and never stop to ask whether the profile they just hired for is actually the one the business needs right now. In a company moving as fast as Synthesia, that approach is not sustainable, and when a wrong hire sets a team back, the talent team that did not push back shares responsibility for that outcome.

Jonathan frames every hire as an act of capital allocation. A company that has raised significant funding is putting a meaningful portion of that investment into the capabilities it builds through the people it brings in. That framing changes how talent shows up in leadership conversations. Are the people coming in actually moving the company's most important bets forward? That is the question a strategic talent function is positioned to answer.

Why It Matters:
The talent teams that earn genuine influence are the ones in regular conversation with leadership about where the company is heading, close enough to the business to know when a profile does not feel right, and confident enough to say so before the hire is made rather than after.

Quick Tips

  • Get into regular strategic conversations with leadership about hiring priorities. Jonathan has recurring meetings with leadership specifically to pressure test whether the profiles being hired for still match the company's current bets. That proximity is what gives talent the context to push back meaningfully when something feels off.
  • Build the muscle to challenge a brief before it becomes a hire. At Synthesia the cultural expectation is that if something does not smell right, you say so. Talent teams that internalize that same standard are the ones that catch misaligned profiles early rather than inheriting the consequences later.
  • Pressure test your hires against the business priorities that drove them. Jonathan has regular conversations with leadership asking whether the people they are bringing in are still the right profiles for where the company is heading. Building that habit into your own rhythm is what closes the loop between hiring decisions and business outcomes.

What Hiring Excellence Means to Jon

For Jon, hiring excellence is maintaining a high bar while moving as fast as possible and refusing to trade one for the other. He is also quick to call out a trap he sees often: perfectionism disguised as bar-raising. Knowing what your bar actually is, holding it consistently, and not inflating it based on pressure or anxiety is the real skill. The companies that get this right define their performance expectations clearly, build their evaluation process around those expectations, calibrate their decision making rigorously across every interviewer, and then move as fast as they possibly can within that frame.

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Jon's Recruiting Hot Take 🔥

When someone says "culture fit," Jonathan hears "comfort." In his experience, the phrase tends to reflect a high comfort level with a candidate driven by assimilation bias rather than any meaningful signal about how that person will actually perform. The best teams he has worked with had people with different spikes, different backgrounds, and genuinely different ways of thinking. Culture fit as a hiring lens works against all of that and tends to produce homogenous teams that feel safe to build but underperform over time. The more useful question is whether a candidate's values and ways of working align with how the organization actually operates, because that is something you can actually design an interview to assess.

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Timestamps

(00:00) Introduction

(00:48) Meet Jonathan Durnford-Smith

(01:48) Why agility matters in recruiting during the AI era

(05:03) How AI is changing engineering hiring

(06:00) Why product sense matters more than coding execution

(07:24) Redesigning engineering interviews around real business problems

(09:14) Why engineers must be comfortable using AI tools

(11:36) The signal great engineers show early in interviews

(13:52) The culture principle that enables agility

(16:30) Aligning hiring with company strategy and leadership bets

(17:29) Why recruiters must push back on hiring decisions

(20:25) Why hiring processes should be revisited every six months

(24:29) Hiring excellence: Hold a high bar while moving as quickly as possible

(28:01) Recruiting hot take: Culture fit often means bias

(33:27) Early career advice: Talent’s not a support function

(38:47) Where to connect with Jonathan

Hosted By

Shannon Ogborn

RecOps Consultant & Community Lead @ Ashby

Shannon Ogborn is a Recruiting Ops expert with nearly ten years of experience at companies from Google to Hired Inc and more. She’s shining a spotlight onto what makes a recruiting strategy one of a kind.

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