Home/Insights/Engineering & AI 5 min read · Updated September 2026
ENGINEERING & AI · SERIES B PLANNING

Building a 12-Month Hiring Plan for a Series B Engineering Team: Roles, Sequence, Budget, and Milestones

A Series B engineering hiring plan starts with the org chart you need in 12 months and works backward to today. Sequence leadership before ICs, blockers before dependents, and scarce roles before common ones. Budget for recruiter capacity that matches the plan, not the current run rate. Set monthly milestones on quality metrics, not just headcount. The companies that hit their numbers planned the sequence; the ones that did not planned only the total.

PM
Pratik Mokashi
COO, Talhive · 40+ India mandates for US and EU clients
Key takeawaysThe whole piece in five lines
01A Series B hiring plan starts from the target org chart and works backwards.
02Sequence leadership first, blockers before dependents, and scarce roles before common ones.
03Match recruiter capacity to the annual plan, not the current quarter.
04Track hires versus plan by team, offer acceptance and time to fill every month.
05An offer acceptance rate below 65% signals an offer or positioning problem.
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Start with the org chart you need in twelve months.

Series B is where engineering hiring shifts from opportunistic to systematic. The plan you build now determines whether you hit the roadmap or spend the year backfilling mis-hires.

This guide covers how to build the plan: the roles, the sequence, the budget for recruiter capacity, and the milestones that tell you whether the plan is working before it is too late to fix.

If you have ten minutes before a hiring review, read only this.

The plan is a headcount number
Build the target org chart
Roles, not numbers, drive sequencing.
Forty hires planned, one recruiter
Budget capacity to the plan
Under-capacity stalls the build.
Offer acceptance is under 65%
Fix offers and positioning
Candidates are choosing elsewhere.

Start with the org chart, not the headcount.

A headcount target is not a hiring plan. Fifty engineers could mean ten backend, five AI, three leadership, and thirty-two mid-level across four teams, each with different timelines, dependencies, and difficulty. Map the org chart you need in 12 months by team, level, and role type. Then work backward to identify the hiring sequence.

Sequencing: what to hire first.

Leadership first

A VP Engineering or team lead sets the bar and makes every subsequent hire better. Hiring ICs before leadership means the bar drifts.

Blockers before dependents

If team B cannot start until team A has an architect, the architect is the blocker. Sequence them accordingly.

Scarce before common

AI engineers, security engineers, and platform engineers take longer to find. Start those searches early.

First cohort matters most

The first five hires in any team set the culture and the standard. Weight quality over speed on the first cohort.

The VP Engineering search playbook covers the leadership hire in depth. The embedded hiring scope for 50 engineers covers the capacity model.

Planning a hire like this? Tell us the role and we will map the right approach within a week.

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Recruiter capacity budget.

Match recruiter capacity to the plan, not the current quarter. If the plan calls for 40 hires in 12 months, you need two to three dedicated recruiters working throughout the year, either in-house or via an embedded RPO engagement. Trying to hire 40 engineers with one recruiter and intermittent agency support produces a plan that misses by month six.

ANNUAL HIRESDEDICATED RECRUITERS NEEDEDMODEL
10 to 151In-house or RPO
15 to 302RPO or in-house + agency
30 to 503 to 4RPO team
50+4+RPO team + agency for specialist roles

Monthly milestones.

Track quality alongside quantity every month:

  • Hires made vs plan (by team, not just total).
  • Offer acceptance rate (below 65% = offer or process problem).
  • Time to fill by role type (senior roles trending above 14 weeks = sourcing problem).
  • 90-day retention of new hires (below 85% = assessment or onboarding problem).

The hiring metrics for engineering leaders covers the full measurement framework.

The plan on one page.

QUARTERFOCUSKEY HIRESMILESTONE
Q1Leadership + first cohortVP Eng / leads, first senior ICsLeadership in seat, first team shipping
Q2Core teamsMid and senior ICs across primary teamsAll primary teams staffed to minimum viable
Q3Scale + specialistSpecialist roles (AI, security, platform)Specialist coverage complete
Q4Fill + benchRemaining ICs, second cohort, bench depthFull org chart, 90-day retention above 85%

The plan is the product. A well-sequenced hiring plan with matched recruiter capacity and monthly quality milestones is what separates a Series B that hits its roadmap from one that spends the year behind on hiring. The RPO and embedded hiring practice builds and runs these plans end to end.

Where a specialist partner changes the outcome.

None of this requires a partner, but most teams discover each problem the expensive way. A specialist engineering search partner shortens that learning curve.

Real mandates, real numbers.

CASE STUDYArya.ai, AI product companySPECIALIST SEARCH

Seven roles across data science, research, full stack engineering and UI/UX design. Each ran as its own specialist search with one hiring bar, rather than a single high-volume funnel.

ROLES CLOSED
7
INTERVIEW TO HIRE
4:1
OFFER ACCEPTANCE
100%
CASE STUDYWritesonic, AI writing platformENGINEERING & AI

A Head of Engineering, two AI Engineers and a Product Analyst. Each role sat in a different talent market and needed a different read on what strong looked like.

ROLES FILLED
4 of 4
AI ENGINEERS
2
FUNCTIONS
Engineering, AI, product

Hiring engineers where the stakes are high?

If you are hiring senior engineers, AI talent or a first India engineering lead, we can show you what the market looks like for your role before any commercial conversation.

A senior team member responds within one business day. No pitch deck, no obligation.

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Frequently asked questions.

It depends on the roadmap, not the stage. Map the org chart you need in 12 months, then build the hiring plan to get there. Typical ranges are 20 to 60 engineers over 12 months.
Yes. A VP Engineering or team lead sets the bar and improves every subsequent hire. ICs hired before leadership start in a vacuum where the bar drifts.
Two to three dedicated recruiters, either in-house or via an RPO engagement. One recruiter with intermittent agency support will miss the target by month six.
Planning the total headcount without sequencing the roles. A plan that says '40 engineers' without specifying which roles come first and which depend on others will misfire.
Monthly, against both quantity and quality metrics. Reviewing quarterly is too late to catch problems in sourcing, assessment, or offer conversion.