Junior AI Engineer - London

Cooper & Hall Limited; Greater London; Hybrid; GBP 30,000 - 42,000; Full time

Benefits offered by this job

20 days annual leave

Birthday day off

Pension

Cycle to work

Season ticket loan

Employee assistance program

Personal development budget

Alumni/community networks

Job summary

Sparta Global is recruiting a Junior AI Engineer to assist in designing, developing and deploying AI-driven solutions for diverse client projects. You will work with senior engineers and data scientists on model training, data prep, feature engineering and code integration.

You will analyse data, communicate insights to stakeholders and contribute to governance and secure data practices in a fast-paced consultancy setting. A growth mindset and teamwork are essential.

Qualifications

• Proven ability in Python and related ML libraries.
• Strong problem-solving skills and curiosity about AI.
• Willingness to learn and adapt in a consultancy environment.

Responsibilities

• Support design, development and deployment of AI-driven solutions for clients.
• Build, train and evaluate ML models; handle data preparation and feature engineering.
• Write clean, well-documented code and integrate AI solutions into client systems.
• Analyze data to identify patterns and translate insights into actionable recommendations.
• Collaborate with senior engineers and communicate technical concepts to non-technical stakeholders.

Skills

Python

Job description

About Sparta Global

Embark on a transformative career journey with Sparta Global, where diversity, innovation, and passion for technology converge. We welcome individuals from all backgrounds, offering not just jobs, but dynamic careers in the tech industry. You'll work alongside enthusiastic professionals, receiving top-tier training and mentorship to hone your skills for success in both public and private sectors. Our commitment to designing impactful careers and coaching future leaders is evident in our over 10 prestigious awards in Learning & Development and Equality, Diversity & Inclusion. As a Top 20 Employer for Social Mobility and a proud B-Corp certified organisation, we're not just advancing careers; we're fostering a more diverse, equitable, and inclusive tech landscape. Grounded in AI adoption, taught by expert trainers, our Consultants enter client projects with the most contemporary AI practices and digital confidence. Join us in shaping the future of technology - where your growth is our mission, and your success, our pride.

About this role

As a Junior AI Engineer, you will support the design, development and deployment of AI-driven solutions that address real-world client challenges. Working closely with senior engineers, data scientists and consultants, you will contribute to projects across a range of industries, gaining hands‑on experience in both technical delivery and client-facing work.

You will assist in building, training and evaluating machine learning models, including data preparation, feature engineering and model testing. You will write clean, well‑documented code and support the integration of AI solutions
into existing systems and workflows. A key part of the role involves analysing data, identifying patterns and helping translate analytical insights into practical recommendations.

Beyond technical delivery, you will play an active role in collaborative problem‑solving. This includes participating in workshops, stand‑ups and design discussions, and clearly communicating technical concepts to non‑technical stakeholders. You will be expected to ask thoughtful questions, seek feedback and continuously develop your skills in a fast‑paced consultancy environment.
You will also support best practices around model governance, ethical AI and data security, ensuring solutions are robust, explainable and aligned with client and regulatory expectations. As part of a growing team, you will contribute to internal knowledge sharing, documentation and the continuous improvement of tools and processes.

This role is ideal for someone with strong foundations in AI and software engineering, combined with curiosity, adaptability and a genuine interest in delivering high‑quality outcomes for clients.

What we're looking for

To be successful for this role you will demonstrate a level of ability in Python or similar. You will be passionate about technology and eager to learn programme development to an advanced level.

We're seeking candidates who can exemplify our values:

• Empathy and Diversity: Integrity, respect, and a commitment to inclusivity.
• Drive: A goal‑oriented mindset with pride in exceeding targets.
• Collaboration: A team‑focused approach, fostering positive relationships.
• Innovation: Curiosity, creativity, and openness to diverse ideas.Flexibility: Adaptability and composure in the face of change.

As a national organisation with clients across the UK, we require all candidates to have the flexibility and willingness to relocate post training for deployment to client site. Remote working cannot be guaranteed. You must have eligibility to work in the UK for the duration of your contract with Sparta Global (British or Irish Citizenship, EU Settled Status, or Permanent Visa Holder). We do not offer visa sponsorships or accept Graduate or PSW Visas due to time limitations.

Why you should apply:

Our environment is designed to nurture your talents and skills, your hard work and progress are not just appreciated - they're tangibly rewarded. We conduct performance‑based reviews every six months, providing you the chance to increase your earning potential twice a year. This regular appraisal system is our way of ensuring that your efforts and achievements are consistently recognised and rewarded.
Unlike other companies, we do not charge you for our training content and do not enforce a training bond. Our training is underpinned with market leading AI practices designed to progressively build your skills and future‑proof your career.

We also provide:

• 20 days annual leave + bank holidays and religious allowances
• An extra day off for your birthday
• Pension
• Cycle to work scheme
• Season ticket loan
• Employee assistance program
• Yearly budget for personal development
• Access to alumni and community networks

Being employed by Sparta Global is an investment in your future that pays dividends along the way. We give you breadth of experience and skills, along with increasing opportunities to develop further and earn more. No two career paths look the same at Sparta.

Our Recruitment Process:

If you pass our initial screening, you'll be invited to complete our online assessments and first stage interview. If successful, the final stage is an online meeting whereby you'll pitch yourself to our Head of Talent, here you'll have the opportunity to impress us with your ability to communicate effectively and exhibit behavioural competencies through relevant examples. We're looking for candidates who can demonstrate a collaborative spirit, a growth mindset and confident articulation of your skills.

The Talent Team will be there to support and answer any questions you have. You can also visit our YouTube channel to gain valuable insights and expert advice on virtual interviews, strategies to manage nerves, and tips on nonverbal communication.