Junior ML Engineer

Cierti; St Albans; Hybrid; GBP 50,000 - 60,000; Full time

Job summary

Cierti in London is seeking a Junior Machine Learning Engineer to help build next-generation learning models that predict student knowledge and tailor activities for personalised education. This hybrid role combines data-driven development with a passion for scalable ML solutions in an EdTech setting.

You will work with vast data from language tests, including text and voice data, and contribute to NLP-powered tools and assessments.

Qualifications

• Bachelor's degree in CS/DS/ML or related field.
• Strong Python programming skills.
• Understanding of ML algorithms and evaluation metrics.
• Familiarity with NLP concepts and transformer architectures.

Responsibilities

• As part of a growing ML team, work on real-world challenges with a large, diverse dataset.
• Build predictive ML models to improve learning outcomes.
• Work with data from language tests, including text and voice data.
• Develop and refine NLP-driven educational tools and assessment methods.
• Analyse large-scale datasets to uncover insights and improve model performance.
• Fine-tune ML models for scalability, accuracy, and efficiency.
• Collaborate with software engineers and product specialists in a cross-functional environment.
• Contribute to creating innovative learning technologies applicable across languages and topics.

Skills

Python

Machine Learning

NLP

Neural Networks

Transformer architectures

Data analysis

Education

Bachelor's degree in Computer Science, Data Science or related

Tools

Pandas

NumPy

Job description

Junior Machine Learning Engineer

London (Hybrid)

£50,000 - £60,000 Exceptional L&D Budget

We're partnering with an ambitious and highly technical EdTech start up to make personalised, high-quality education accessible to everyone through machine learning.

Their flagship product is already helping English language learners improve their skills through intelligent, data-driven tutoring. Now, they're expanding their Machine Learning team and seeking a Junior ML Engineer to help build next-generation learning models capable of predicting student knowledge and recommending the optimum next learning activity.

If you're passionate about AI, education, and solving genuinely meaningful problems, this is an opportunity to make a visible impact from day one.

Responsibilities

• As part of a growing ML team, you'll work on real-world machine learning challenges using a unique and extensive dataset.
• Building predictive machine learning models that improve learning outcomes
• Working with data from more than 1 million language tests, including text and voice datasets
• Developing and refining NLP-driven educational tools and assessment methods
• Analysing large-scale and diverse datasets to uncover insights and improve model performance
• Fine-tuning machine learning models for scalability, accuracy, and efficiency
• Collaborating closely with software engineers and product specialists in a highly cross-functional environment
• Contributing to the creation of innovative learning technologies that can be applied across multiple languages and subjects

Ideal profile

• Degree in Computer Science, Data Science, Machine Learning or related discipline
• Strong Python programming skills
• Understanding of machine learning algorithms and evaluation metrics
• Knowledge of Neural Networks, CNNs, RNNs and Transformer architectures
• Exposure to Natural Language Processing (NLP)
• Experience using libraries such as Pandas and NumPy
• Familiarity with automated ML workflows or pipelines

Nice to Haves

• Experience building ML solutions end-to-end, from data preparation to production monitoring
• Knowledge of CI/CD and MLOps practices
• Experience with Reinforcement Learning
• Experience working with voice/audio datasets
• Ability to speak more than one language
• Contributions to the ML community through blogs, talks, videos or open-source projects

This would suit a recent grad or second jobber looking to make their next step up looking for an opportunity to work with cutting-edge AI technology whilst helping redefine the future of education.