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Mars

Technical Lead (Gen AI)

Location:  GBR-London-London | United Kingdom
Location flexibility:  3 office days / week
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Job Description

Job Description:

Job Purpose/Overview

As the Technical Lead for Generative AI & Cloud Technologies, the associate will be the primary technical authority driving the design, integration, and development of our enterprise-level artificial intelligence and cloud-native solutions. Reporting to the Global Head of Data, AI andEnterprise Architecture, the person in this role will be a part of the FN Digital Technologies team. The role operates globally and partners with FN business and digital leaders across all functions.

Context and Scope

Mars Food & Nutrition is a leading CPG business that leverages digital technologies to deliver innovative products and services to our customers. As we continue to expand our digital offerings and optimize our operations, we are seeking a highly skilled Technical Architect to join our dynamic team.

The role sits within the Global Food & Nutrition Digital Technology Team and provides Insight, Thought Leadership, and Technology guidance to various tech projects/initiatives for the Segment. This role partners with the central Mars Inc. Digital Technology team to understand capabilities that currently exist as well as what new capabilities are being explored.

Key Responsibilities

  • Lead the design, development, and implementation of various technology initiatives that align with business requirements and strategic goals.

  • Rapid Prototyping: Build quick Proof of Concepts (PoCs) and Minimum Viable Products (MVPs) using emerging AI models and frameworks to solve complex business challenges.

  • Collaborate with cross-functional teams including business stakeholders, project managers, developers, and analysts to gather requirements and define technical specifications.

Apply
Create high-level and detailed architecture designs, considering factors such as performance, security, integration, and user experience.
  • Evaluate and recommend new technologies, tools, and methodologies to improve system performance and reliability.

  • Stay up-to-date with the latest technology trends, updates, and industry best practices to ensure our solutions remain current and competitive. Assist in the estimation of project timelines, resources, and budgets related to proposed architecture and development efforts.

  • Contribute to the development and maintenance of technology architecture standards, guidelines, and documentation and roadmaps.​

  • Job Specifications/Qualifications

    • Between 8-14 years of total software engineering experience, with at least 3+ years in a technical leadership or architectural design capacity.

    • Strong experience in designing mission-critical Secure, High Availability, performant solution and deployment in large transaction volume environment.

    • Hands-on Coding expertise with deep knowledge on using Github CoPilot, Claude Code and/or similar AI assisted coding tools.

    • Designing and implementing multi-agent orchestration, function calling, tool use, long-term memory management, and guardrails.

    • Proficient with integration technologies and protocols (APIs,ReST,HTTPS etc..)

    • Expertise in AI/ML algorithms, enterprise-scale applications, and SaaS AI platforms (e.g., MS Copilot, Google Gemini Enterprise, Google Vertex AI, Claude), with experience integrating AI solutions with enterprise systems (Microsoft, Workday, SAP) to enable connected experiences across search and conversational AI.

    • Advanced architectural expertise in Microsoft Azure, or Google Cloud Platform (Azure/GCP preferred), specifically around modern compute (Kubernetes/AKS/EKS, Serverless), IAM, networks, and secure storage.

    • 2 to 4 years' experience in CPG, Retail domain.

    • Excellent analytical and problem-solving skills, with the ability to think strategically and translate business requirements into actionable architectural designs.

    • Strong collaboration skills, working with external technology vendors.

    • Learning agility and desire to learn new technology.

    • Strong problem analysis, negotiating and influencing skills.

    • Proven track record to get things done in a matrixed organization and influencing without authority

    • Nice to have - AI certifications (e.g., Azure AI Engineer, Google ML Engineer, TOGAF).

    #LI-EN1

    #TBdigital

    Working at Mars

    Hybrid

    Core hours 11–3

    Company employees:

    4,000 In the UK

    Gender diversity (m:f):

    57:43

    Hiring in countries

    Argentina

    Australia

    Austria

    Belgium

    Brazil

    Canada

    Chile

    China

    Czechia

    Denmark

    Egypt

    France

    Germany

    Greece

    Guatemala

    Hungary

    Office Locations

    Company benefits

    Open to part-time employees
    Open to job sharing
    Open to compressed hours
    Sabbaticals
    Enhanced maternity leave – 26 weeks at 90% pay
    Enhanced paternity leave – 26 weeks at 90% pay
    24 days annual leave + bank holidays
    “Pawternity” leave
    Pregnancy loss leave
    Bank holiday swaps
    Shared parental leave
    Adoption leave
    Family health insurance
    Pregnancy support
    Neonatal leave
    Faith rooms
    Meditation space
    Dog friendly office
    Dog friendly co-working space
    Annual bonus
    Employee discounts
    Cinema discounts
    Referral bonus
    Joining bonus
    Cycle to work scheme
    Electric Car Salary Sacrifice
    Enhanced pension match/contribution
    Theme park discounts
    Lunch and learns
    In house training
    Learning license
    Studying sabbaticals
    Open to part time work for some roles
    Menopause support
    On-site gym
    On-site barista
    Secure on-site parking
    On-site catering
    Private booths
    On-site wellness room
    Collaboration spaces

    Awards & Accreditations

    1st - Most Family Friendly Company

    1st - Most Family Friendly Company

    Flexa awards 2026
    3rd - Best Workplace Benefits

    3rd - Best Workplace Benefits

    Flexa awards 2026
    Most loved - Large companies

    Top 5 - Most loved - Large companies

    Flexa awards 2026
    Best Work-Life Balance

    Top 10 - Best Work-Life Balance

    Flexa awards 2026
    1st - Most Family Friendly Company

    1st - Most Family Friendly Company

    Flexa awards 2025
    2nd – Pet Friendly

    2nd – Pet Friendly

    Flexa awards 2025
    Most Flexible Company

    Top 5 - Most Flexible Company

    Flexa awards 2025
    Most Inclusive Company

    Top 5 - Most Inclusive Company

    Flexa awards 2025
    Best Work-Life Balance

    Top 10 - Best Work-Life Balance

    Flexa awards 2025
    Best Career Progression

    Top 10 - Best Career Progression

    Flexa awards 2025
    Best Workplace Culture

    Best Workplace Culture

    Flexa awards 2025
    Best Workplace Benefits

    Best Workplace Benefits

    Flexa awards 2025
    1st – Large companies

    1st – Large companies

    Flexa100 2024
    Consumer Goods

    Consumer Goods

    Industry awards 2023
    3rd – Large companies

    3rd – Large companies

    Flexa100 2023
    Retail & Ecommerce

    Retail & Ecommerce

    Industry awards 2022

    India

    Ireland

    Japan

    Kazakhstan

    Kenya

    Lithuania

    Malaysia

    Mexico

    Netherlands

    New Zealand

    Poland

    Romania

    Russia

    Saudi Arabia

    Slovakia

    South Africa

    South Korea

    Spain

    Switzerland

    Thailand

    Türkiye

    Ukraine

    United Kingdom

    United States