Haystack

Engineering

Hire AI Engineers

Hire AI engineers building real products on modern foundation models.

Mid-level base · UK · DE · US

£80k–£110k · €90k–€125k · $115k–$160k

93% match
Vetted
Amelia Hughes

Amelia Hughes

Senior AI Engineer

London, UK

ai_summary7 yrs shipping production-grade ai engineer work. Strong on LLMs & RAG.

LLMs72%
RAG87%
Vector databases92%
LangChain80%

7+

Years

£82k

Expects

<2h

Response

// vetted_by_haystack_ai · id: HSTK-3QQUNH

3

Markets

UK · DE · US

24h

First shortlist

from kick-off call

14–21

Days to hire

median across roles

£80k–£110k

Typical mid pay (UK)

Why Haystack

The fastest way to hire ai engineers without the agency tax.

AI engineers are the new product-focused specialism - building features on top of foundation models, with strong instincts for evaluation, latency, cost and safety.

Haystack matches you with AI engineers shipping LLM-powered features, RAG systems and agentic workflows in production.

On Haystack now

AI Engineers ready to interview

A sample of ai engineers currently active on Haystack. Sign in to browse full profiles, see expected salaries, and start a conversation.

92% match
Vetted
Priya Shah

Priya Shah

Lead AI Engineer

Bristol, UK
LLMs77%
RAG82%
Vector databases95%
LangChain93%

9+

Years

£95k

Expects

<2h

Response

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View profile
96% match
Vetted
Liam Walker

Liam Walker

Lead AI Engineer

Edinburgh, UK
Vector databases65%
LangChain68%
Prompt engineering68%
Evals68%

4+

Years

£60k

Expects

<2h

Response

// vetted_by_haystack_ai · id: HSTK-1J5KPG

View profile
92% match
Vetted
Lena Schneider

Lena Schneider

Staff AI Engineer

Berlin, Germany
Prompt engineering61%
Evals55%
Python54%
TypeScript63%

6+

Years

€78k

Expects

<2h

Response

// vetted_by_haystack_ai · id: HSTK-1HHW8B

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96% match
Vetted
Maximilian Weber

Maximilian Weber

Senior AI Engineer

Munich, Germany
Python92%
TypeScript87%
LLMs80%
RAG79%

10+

Years

€105k

Expects

<2h

Response

// vetted_by_haystack_ai · id: HSTK-8VSADK

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96% match
Vetted
Hannah Becker

Hannah Becker

Senior AI Engineer

Hamburg, Germany
LLMs83%
RAG89%
Vector databases74%
LangChain81%

4+

Years

€68k

Expects

<2h

Response

// vetted_by_haystack_ai · id: HSTK-CTZ3UW

View profile
98% match
Vetted
Jonas Krüger

Jonas Krüger

Lead AI Engineer

Frankfurt, Germany
Vector databases80%
LangChain79%
Prompt engineering91%
Evals96%

8+

Years

€92k

Expects

<2h

Response

// vetted_by_haystack_ai · id: HSTK-4T9KTM

View profile

Salary benchmark

Salary benchmark for ai engineers across UK, Germany & US

Anchored to live Haystack data. London, Berlin tech hubs and US coastal markets skew toward the upper bound.

United Kingdom

GBP · base salary

Junior · 0–3 yrs

£55k–£70k

Mid · 3–6 yrs

£80k–£110k

Senior · 6+ yrs

£115k–£170k

Germany

EUR · base salary

Junior · 0–3 yrs

€65k–€85k

Mid · 3–6 yrs

€90k–€125k

Senior · 6+ yrs

€130k–€195k

United States

USD · base salary

Junior · 0–3 yrs

$80k–$105k

Mid · 3–6 yrs

$115k–$160k

Senior · 6+ yrs

$165k–$245k

EUR and USD bands are indicative conversions from live UK data using current market multipliers. Local seniority, sector and equity packages can push offers higher.

What strong ai engineers ship with

4 core · 4 nice to have

Core stack

LLMsRAGVector databasesLangChain

Nice to have

Prompt engineeringEvalsPythonTypeScript

Where the talent lives

Hire ai engineers by city

Explore localised salary benchmarks, top employers and live candidates in any of our 24 cities.

Lower pay
Higher pay

Hires made on Haystack by teams like

American ExpressAWSDuckDuckGoGoodlordPayPointLeonardoEPAMRaytheonAnswer DigitalAmerican ExpressAWSDuckDuckGoGoodlordPayPointLeonardoEPAMRaytheonAnswer Digital

Interview prep

Sample ai engineer interview questions

Use these across technical and behavioural rounds. Tap a card for what to listen for.

Blueprint

Hiring through Haystack takes days, not months

A repeatable five-step playbook our employers run for every role.

  1. 01

    30-min kick-off

    Day 0

    We capture the brief, scorecard and salary band. No long forms.

  2. 02

    Matches in 24h

    Day 1

    A curated shortlist of vetted candidates lands in your dashboard.

  3. 03

    Interview rounds

    Day 2–10

    We handle scheduling. You focus on the conversation.

  4. 04

    Offer & references

    Day 10–14

    We support both sides through offer and reference checks.

  5. 05

    Onboard

    Day 14–21

    Structured ramp template so your new hire ships in week one.

92%

Offer acceptance

Because every candidate has already aligned on level, comp and working pattern before you meet, ai engineer offers via Haystack are accepted 92% of the time.

Leading tech employers use Haystack to hire world-class candidates

Answer Digital

"For anyone in the industry struggling with tech hiring and finding those really niche candidates, I'd highly recommend using Haystack. Ultimately Haystack helped us find great candidates that we couldn't find anywhere else."

Jonny Hiles

Jonny Hiles

Talent Acquisition Lead

Read full case study
Leonardo

"Working with Haystack has helped us widen our brand, it's helped us recruit great people, and it's been an easy thing to do. When we think about our candidate experience and the experience of people in my team, I want that rounded experience and that's what we've seen with Haystack."

Craig Drysdale

Craig Drysdale

VP Talent & Engagement

Read full case study
PayPoint

"I'm really impressed with the candidates that I'm finding on Haystack, I'm looking at them and thinking, 'wow, this looks like a great engineer'. We made multiple hires in our first year. It's been a really nice way to hire tech talent, with a very unique approach."

Marek Kafar

Marek Kafar

Senior IT Recruiter

Read full case study

FAQ

Common questions from hiring managers

Ready to hire ai engineers?

Book a quick chat with the Haystack team and start matching with vetted candidates this week.