A vague job spec attracts vague candidates. If your spec reads like a generic template, you will mostly hear from generalists padding a resume, not senior engineers who can own a system.
Start with the actual problem, not a title
Instead of "Senior Full-Stack Developer needed," describe the real situation:
- What system exists today and what state it is in
- What specifically is breaking, slow, or blocking the roadmap
- What success looks like in 90 days
Senior engineers filter themselves in when they can see a real problem worth solving.
Separate must-haves from nice-to-haves
List only true must-haves as requirements:
- Specific language and framework depth (with version, if it matters)
- Domain experience if genuinely required (fintech, healthcare, logistics)
- Communication expectations for async, distributed work
Keep nice-to-haves in a clearly separate section. Mixing them discourages strong candidates who do not tick every box.
Be explicit about working model
State plainly:
- Dedicated full-time vs part-time vs project-based
- Expected overlap hours with your team
- Office-based vs remote-first expectations
- Review and reporting cadence
Ambiguity here causes mismatched expectations after the engineer starts.
Include a realistic technical assessment
Senior candidates respect a fair, realistic assessment more than generic algorithm puzzles. Consider:
- A short take-home based on a real (sanitized) problem from your codebase
- A pair-programming session debugging a realistic issue
- A system design discussion tied to your actual architecture
Red flags to avoid in your own spec
- Unrealistic scope for the stated seniority and budget
- No mention of team structure or who they report to
- Compensation or engagement model hidden until late in the process
Related reading
- How to hire AI engineers in 2026
- Scope a dedicated team pilot in 30 days
- UK startup offshore contract checklist
Need help writing a spec and sourcing senior offshore engineers? Contact us at /contact/.
