Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

How Zaizi hires

Truth index
A 91/100
Median time to fill
171 days
Ghost roles
7%
Stale roles
0%
Reposted roles
0%

Zaizi scores A on the Alion truth index (A is best, E worst), measured over 14 open roles re-checked against its own hiring board: 7% look like ghost listings, 0% have gone stale and 0% are the same role posted again. Its roles close in a median of 171 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Visa sponsorship

  • United Kingdom · Licensed UK visa sponsor (Skilled Worker, Senior or Specialist Worker)

Visa details by country

Overview

Zaizi is a London technology company founded in 2007 that builds secure digital services for government. Its teams deliver content management, data platforms and cloud services for departments handling sensitive information. The company holds security clearances and works on border, justice and defence programmes.

News

Blog 1 month ago
From university to delivery: What our summer interns learned by solving a real public sector problem
We reflect on Zaizi's summer internship and what both our interns and mentors learned along the way. What happens when you give a group of university students a public sector problem, eight weeks, access to an experienced digital team and enough freedom t
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Award 1 month ago
Women In Tech Awards: Zaizi engineer nominated for Rising Star category
One of our team members has been shortlisted for the Rising Star category at the Women In Tech Awards. Chanisse Price, a Lead Cloud Engineer at Zaizi, is among the finalists. This award highlights women who make a real difference in their work and show st
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Blog 2 months ago
What's 'human in the loop' and why does it matter for government AI?
People often mention the importance of keeping a "human in the loop" when discussing government AI use. But what does that actually mean? Here's how following user-centred design principles keeps that human oversight and makes AI safer. There is immense p
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Blog 2 months ago
When machines go rogue: What the summer of AI agent chaos teaches us about engineering trust
The summer of AI agent chaos shows why government departments must engineer trust into their architecture to protect against autonomous AI risks from both outside and within. When I delivered a talk at a recent cybersecurity community conference, my goal
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Blog 3 months ago
Zaizi partners with UK SMEs to launch Spearhead - a new sovereign collective for defence and security
Zaizi is a partner in Spearhead, a new collective of vetted UK sovereign SMEs working together as one accountable delivery partner for defence and security. Spearhead gives buyers the depth and value of going direct to specialist SMEs, with none of the ma
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Blog 4 months ago
Beyond the cloud: What edge AI and SLMs could mean for government services
Given that many government organisations grapple with connectivity, security, and privacy challenges, could Small Language Models (SLMs) and edge AI offer the answer? Seyed Razavi-Nemtollahi explores. For the past two years, most public sector conversatio
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Blog 5 months ago
AI in government design: Is 'vibe design' ready for public sector projects?
AI design tools are everywhere but is "vibe design" ready for government UX? Our user-centred design lead, Louis Pattison, investigates the role of AI in government design. The last couple of years have seen a rapid growth in the marketplace for AI-powere
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Blog 6 months ago
CyberUK 2026: the reality check government teams can't ignore
CyberUK 2026 didn't feel like a future-focused event. It felt like a warning. Cyber resilience is being tested every day. And many organisations aren't keeping up. Ken Abraham, Dan Marginson, Steve West & Rob Smart at CyberUK The real problem: speed Threa
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Blog 6 months ago
Government and AI: Scaling adoption safely across the public sector
Across government, interest in artificial intelligence is growing quickly. Leaders across defence, national security and central government are exploring how AI can improve services, reduce administrative burden and provide better insight into complex cha
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Blog 6 months ago
AI in government: Moving from hype to implementation reality
Across government, the conversation about AI has changed. Not long ago, most discussions centred on what AI might do for the public sector in the future. Today the questions are different. Leaders are asking how to operationalise AI safely.How to fund it
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Show more news

Tech stack

Technologies named in job postings at Zaizi over the last 12 months, by layer, with the share of postings for each.
Technologies in use
99
Postings analysed
22
Stack modernity
85/100AI adopter
Languages
Python27%
JavaScript27%
TypeScript14%
Java14%
Frameworks & libraries
PyTorch9%
React.js9%
Bootstrap5%
Cypress5%
Databases
PostgreSQL14%
DynamoDB5%
MySQL5%
SQLite5%
Cloud & platforms
AWS100%
GCP95%
Kubernetes32%
Azure23%
AI & ML
AWQ5%
Gemma5%
Llama5%
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Full Zaizi tech stack 99 technologies · by team · pay by technology · changes · similar stacks

Growth

Hiring Momentum
63/100
Growing
Open positions
14
2 opened / 12 closed in 30 days
Median time-to-fill
170 days
faster than 8% of the market
ATS activity
Every ~6 hours
Today
Hiring Dynamics +100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
AI/ML
18% ▲
Backend
18% ▲
DevOps
18% ▲
Leadership
9% ▲
Product
9% ▲
Support
9% ▼
Activity Timeline
Added RAG to stack Oct 2026
Added AI Agents to stack Oct 2026
New location: United Kingdom Sep 2026
Added Rest API to stack Sep 2026
Added Service Desk to stack Sep 2026
Added Linux to stack Sep 2026
Added BPMN to stack Sep 2026
Added Waterfall to stack Sep 2026
Added Machine Learning to stack Sep 2026
Added DNS to stack Sep 2026
Added ITSM to stack Sep 2026
Added ITIL to stack Sep 2026

Offices

Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
London
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Headquarters Builds here Office with open vacancies Tap a pin for the office
London United Kingdom
HQ
Get in touch with us
8 open roles 8 posted in 90 days 38% engineering 50-200 est. staff $87k Avg Salary
hires for AI/ML, DevOps, Leadership
174 Hammersmith Road,, London, W6 7JP
seen since Aug 2022 company site, job postings
Cheltenham United Kingdom
Engineering / R&D
6 open roles 3 posted in 90 days 83% engineering 10-50 est. staff
hires for AI/ML, Backend, DevOps
seen since Dec 2025 job postings

Jobs

≈ $82k – $167k per year (Estimated) • Hybrid • Cheltenham
Python
JavaScript
Java
TypeScript
SQL
Node JS
PostgreSQL
Weaviate
Milvus
Pinecone
DynamoDB
ElasticSearch
OpenSearch
AI/ML
LangChain
LlamaIndex
Dagster
MLFlow
Prefect
Kubeflow
RAG
Hugging Face
Semantic Search
DevOps
Terraform
GCP
Azure
CI/CD
AWS
Kubernetes
Amazon EKS
Azure AKS
GitHub
GitLab
Analytics
ETL/ELT
Management
Agile
Apply
≈ $57k – $125k per year (Estimated) • Hybrid • Cheltenham
Bash
Ansible
GCP
CloudFormation
CI/CD
Git
AWS
Docker
Kubernetes
Drone
GitHub
GitLab
Amazon ECS
Linux
Management
Agile
Scrum
Apply
≈ $85k – $175k per year (Estimated) • Hybrid • Cheltenham
GCP
AWS
Management
Agile
Apply
≈ $102k – $188k per year (Estimated) • Hybrid • London
Machine Learning
DevOps
GCP
CI/CD
AWS
Management
Agile
Apply
≈ $118k – $221k per year (Estimated) • Hybrid • London
AI Agents
RAG
DevOps
GCP
CI/CD
AWS
Management
Agile
Apply
≈ $36k – $66k per year (Estimated) • Hybrid • London
GCP
Azure
AWS
Cybersecurity
Microsoft Defender
Microsoft Entra ID
Management
Agile
Service Desk
Apply
≈ $59k – $141k per year (Estimated) • In office • London
Apply
Hybrid • Cheltenham
Python
JavaScript
Rust
C++
PyTorch
Machine Learning
Frontend
React.js
DevOps
GCP
Azure
Git
AWS
Docker
Management
Agile
Apply
$74k – $87k per year • Hybrid • London
GCP
AWS
Management
Agile
Apply
≈ $56k – $116k per year (Estimated) • Hybrid • London
GCP
AWS
Management
Agile
Scrum
Kanban
Apply
≈ $88k – $156k per year (Estimated) • Hybrid • Full-Time • London
Python
JavaScript
GCP
AWS
Docker
Kubernetes
IAM
Management
Agile
Apply
Hybrid • Cheltenham
Machine Learning
DevOps
GCP
AWS
Management
Agile
Apply