The shape of engineering teams is shifting under the weight of AI tooling, and the data shows it first at the entry level. The UK tech sector cut graduate jobs by 46 percent in the past year, with a further 53 percent drop projected, according to figures from the Institute of Student Employers figures from the Institute of Student Employers reported by The Register. The pattern is not confined to tech specifically: Adzuna has seen a 30% drop in UK entry-level job postings since ChatGPT's launch, with graduates facing the toughest job market since 2018 techUK, citing Adzuna data.
Engineering feels this unevenly. In Engineering, entry-level hiring has fallen to -19% while senior hiring sits at -10%, a 9-percentage-point gap a GOV.UK snapshot of entry-level hiring. That gap is the story. As agents take on more of the first-draft coding, the demand is tilting towards people who can judge, review and own output rather than simply produce it.
The person who approves the pull request is accountable, full stop. An agent can generate a function, a test suite or a whole service, but it cannot carry responsibility for a security flaw, a data leak or a production outage. That responsibility sits with a named reviewer who understands the system and signs the merge.
This changes what senior engineers do day to day. Review, architecture and risk judgement move to the centre of the role, while raw typing speed matters less. The widening gap between senior and entry-level demand reflects exactly this: In Engineering, entry-level hiring has fallen to -19% while senior hiring sits at -10% the same GOV.UK snapshot. Teams want people who can be trusted to say yes or no to machine-written code.
Good sign-off is explicit and human. One reviewer takes ownership of each change, reads the diff rather than skimming it, and runs the tests. Agent-generated code goes through the same gates as human code: static analysis, security scanning, peer review and a clear audit trail of who approved what and when.
Hire for judgement, not just output. The most valuable engineers now are the ones who can read unfamiliar code, spot the subtle bug an agent introduced, and explain why a design will or will not scale. Interview for code review and reasoning, not only for writing fresh code from a blank file.
With entry-level openings down, do not write off early-career talent. Someone looking for their first engineering role can grow fast when paired with strong reviewers, and that pipeline matters given the 46 percent cut in graduate tech jobs over the past year The Register's report on ISE figures.
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