Full-Time

Machine Learning Implementation Engineer

AI

Zaizi

Zaizi

51-200 employees

Designs secure digital government services

No salary listed

Cheltenham, UK

Hybrid

Hybrid working is offered.

US Citizenship, Canada Citizenship, UK Top Secret Clearance Required

Category
AI & Machine Learning (1)
Required Skills
Agile
Data Science
Machine Learning
AWS
Android Development
Google Cloud Platform

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Requirements
  • Broad technical expertise in machine learning, including machine-learning algorithms, frameworks, and software-engineering best practices.
  • Proven experience maturing research-grade artificial intelligence and machine-learning code into production-ready software.
  • Ability to evaluate new generative artificial-intelligence technologies for business relevance and feasibility, with practical implementation in the National Security Domain.
  • Experience delivering robust proofs of concept that bridge initial research and final application.
  • Experience applying data-science techniques to support model refinement and software hardening.
  • Proven experience building and deploying complex machine-learning models into live environments.
Responsibilities
  • Design, build, and refactor complex machine-learning models so they progress from experimental stages to high-quality, high-performance production software.
  • Harden software produced by research activities to achieve higher Technology Readiness Levels suitable for deployment in the National Security Domain.
  • Design and manage the integration of machine-learning models into broader software architectures, ensuring stability and performance.
  • Adapt and optimize machine-learning models for resource-constrained environments and high-performance execution on edge hardware, including Android-based mobile devices.
  • Apply artificial-intelligence implementation best practices to ensure solutions are maintainable and scalable.
  • Refine model code for performance, increase software maturity, and resolve complex technical hurdles during the transition from prototype to product.
  • Serve as a key technical resource for the practical application of generative artificial intelligence within the organization.
  • Mentor junior team members and influence technical decisions within the team.

Zaizi helps public sector organisations realise their potential by designing, building, and sustaining secure digital services with a strong focus on user needs. The core product is a full delivery approach: understanding what citizens and staff require, creating user-friendly digital services, developing them securely, and providing ongoing maintenance so services stay reliable over time. Zaizi differentiates itself by concentrating on the public sector and offering end-to-end delivery—from initial design through development to long-term support—so digital government projects can succeed. The company’s goal is to make public services easier to use and more efficient, helping governments deliver better experiences for citizens.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

London, United Kingdom

Founded

2007

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Simplify Jobs

Simplify's Take

What believers are saying

  • August 4, 2026 hiring for Senior Machine Learning Engineer signals active AI expansion.
  • March 25, 2026 IBMATA coverage extended ScanApp's credibility inside border agencies.
  • Zaizi keeps winning employer and security awards, strengthening recruiting and sales.

What critics are saying

  • Zaizi still sells mainly into UK government departments, exposing revenue to procurement delays.
  • Job posts require five years UK residency and security clearance, shrinking the talent pool.
  • March 31, 2025 accounts showed £1.22m cash and £1.59m creditors; contract loss hurts fast.

What makes Zaizi unique

  • Zaizi builds security-cleared software for UK central government, unlike generic consultancies.
  • ScanApp digitized Border Force freight scanning and won the Global Customs Innovation Award in 2025.
  • On July 17, 2026, Zaizi joined Spearhead, a UK-owned, UK-cleared defence collective.

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Benefits

Health Insurance

Life Insurance

Paid Vacation

Paid Holidays

Hybrid Work Options

Home Office Stipend

Professional Development Budget

Training Programs

Mentorship Program

Commuter Benefits