Define the gap before you define the job title
A slow roadmap does not always mean you need more developers. Your constraint may be a difficult integration, a review bottleneck, an unstable deployment pipeline or an unclear product brief. Describe the work that is waiting and the decisions blocking it. That gives us a stronger starting point than a list of programming languages.
An engineer joining an established product needs to understand the codebase, release process and domain. A developer building a new application needs to make architectural choices with fewer existing constraints. These are different assignments, even when both use TypeScript. We shape the proposed role around the assignment, the expected level of independence and the support available in your team.
Choose capability, not a collection of keywords
Frontend roles may involve React, Next.js, accessibility, component architecture and browser performance. Backend roles may involve Node.js, NestJS, .NET, API design, database migrations and background processing. Full-stack work crosses these boundaries, but the balance should be explicit: a frontend-heavy product needs a different engineer from a system dominated by data integration.
You can also discuss quality engineers, DevOps engineers, technical leads and software architects. Ask candidates to explain a relevant technical decision, review a small piece of representative code or walk through an approach to a real product problem. A focused evaluation is more informative than testing unrelated trivia or assuming that seniority means expertise in every part of your stack.
Make the first weeks useful
Prepare a short onboarding map: where the code lives, how to run it, how environments differ and who owns each service. Provide access through your normal security process, with permissions appropriate to the role. Choose an initial task that exercises the development workflow without placing a critical launch on an unfamiliar engineer’s first change.
Agree what completion means. A useful definition includes review, relevant automated checks, acceptance criteria and any documentation the next developer will need. Keep an experienced contact available for domain questions. Good onboarding is a shared responsibility and should be included in capacity planning rather than treated as invisible time.
A working arrangement that fits your organization
If you already have engineering leadership and a delivery process, staff augmentation may be the simplest fit. The engineer joins your planning and review routines while responsibilities remain with your existing team. If you need a group to develop a broader product area, a dedicated team can provide clearer continuity across frontend, backend and quality engineering.
Discuss the intended duration, working-hour overlap, equipment expectations and communication channels before agreeing a start date. Three-, six- and twelve-month requirements can be considered, but availability and terms are confirmed individually. Avoid basing a delivery promise on an assumed start date before the role and onboarding requirements are understood.
What to include in your enquiry
Share your product stage, stack, current team size and the work you want to accelerate. Explain whether you need implementation support, technical ownership or leadership across several engineers. If an existing employee will manage priorities and reviews, tell us how much time that person can provide.
A useful brief also includes your target start window, preferred duration, expected collaboration hours and any procurement or confidentiality requirements. You do not need a finished specification. A concise description of the business outcome and current constraints is enough to begin a practical conversation about capacity.
Separate seniority from familiarity
An engineer may know a framework well while still needing support with architecture or delivery planning. Define seniority through the decisions the role must make: breaking down ambiguous work, spotting risks, reviewing contributions and communicating a defensible recommendation. Ask for examples or a focused discussion relevant to those responsibilities.
A proposed engineer should also be comfortable identifying limits. Knowing when to ask a domain expert or involve a security specialist is part of sound engineering judgment. Avoid requiring a candidate to claim expertise across an entire platform when the actual assignment concerns one product area. A precise role is easier to evaluate and easier to support after onboarding.
Make capacity planning realistic
Count the work surrounding implementation. Engineers need time for review, tests, planning and coordination, and your internal staff need time to provide context. If a deadline is fixed, identify the smallest acceptable outcome and the dependencies that could block it. Adding people late in a tightly coupled project can create onboarding overhead before it produces useful capacity.
An initial review point should examine accepted work and delivery friction together. If the role is too broad, narrow its scope or add complementary support. If the backlog is not ready, improve product definition before expanding the team. This approach keeps the hiring decision connected to a delivery problem that can actually be solved.