Haystack Tech Stack

AI-powered tech talent marketplace connecting 100,000+ engineers with employers

Technology, Information and Internet Newcastle upon Tyne, England 51–200 employees Founded 2021 Privately Held

Haystack operates a two-sided marketplace for tech hiring, combining AI vetting with a large UK-based talent pool. The tech stack reflects dual operational modes: consumer marketing tools (Adobe Suite, social platforms) for talent acquisition, and enterprise infrastructure (Python, Kubernetes, AWS, RAG, Spark) for matching and data processing. Rapid hiring acceleration across engineering (268 roles) and data (87 roles) signals platform scaling, while active projects around microservices, data platforms, and RAG pipelines indicate product-layer complexity moving beyond simple matching.

Tech Stack 200 technologies

Core StackAdobe Illustrator Adobe Premiere Pro Canva SAP Python Docker Kubernetes Jenkins AWS RAG JavaScript C++ Java TensorFlow PyTorch Flask Photoshop InDesign Instagram LinkedIn TikTok LeanIX ArchiMate Signavio Bash Meta SAP BW/4HANA SAP Analytics Cloud Azure GCP+170 more

AdoptingRAG GitHub Copilot Python AWS Snowflake Boomi SD-WAN Azure+12 more

ReplacingSynapse VB.NET

What Haystack Is Building

◆Challenges

Modernizing legacy systems
Complex it challenges
Acquiring new regional sme clients
Complex cloud environments
Optimizing performance and stability of mes landscape
Ensuring high availability of geoint data
Scaling cloud infrastructure for traffic growth
Data integration challenges
Labor compliance
Handling disparate structured and unstructured data

▲Active Projects

Microservices architecture
Data platform evolution
Interactive dashboards
Rag pipelines
Enterprise architecture domain for erp systems
Ci/cd pipeline optimization
Implement monitoring and alerting systems
Build dashboards in power bi or tableau
Support system introductions (cafe?)
Infrastructure deployments

Hiring Activity

Accelerating600 roles · 450 in 30d

Department

Engineering

268

Data

Sales

Marketing

Finance

Ops

Product

Seniority

Senior

247

Mid

176

Junior

Manager

Lead

Intern

Principal

Director

Notable leadership hires: Head of Sales, Telephony Team Lead, Tech Lead, Chief Technology Officer

Company intelligence

Find more companies like Haystack by tech stack, pain points and active projects

Get started free

About Haystack

Haystack is a London-founded tech recruitment platform serving as a vetted talent marketplace. The platform connects over 100,000 UK-based technical professionals across software engineering, data, DevOps, cloud, and management roles with employers ranging from startups to enterprises including AWS, American Express, and Atom Bank. Operations span 12 countries with strongest hiring velocity in engineering and data functions, suggesting investment in platform infrastructure and matching capability. The company handles talent qualification, employer outreach, and interview readiness at scale.

HeadquartersNewcastle upon Tyne, England

Company Size51–200 employees

Founded2021

Hiring MarketsGermany, France, United States, United Kingdom, Peru, India, Austria, Italy

Frequently Asked Questions

What tech stack does Haystack use?

Python, Docker, Kubernetes, Jenkins for backend/DevOps; AWS, Azure, GCP for cloud; RAG and Spark for data processing; JavaScript and C++ for client-side work. Currently adopting GitHub Copilot, Boomi, and Snowflake while migrating off Synapse and VB.NET.

How many tech talent profiles does Haystack have?

Over 100,000 UK-based technical professionals registered on the platform, spanning software engineering, data, design, DevOps, cloud, and management specialties.