Senior Machine Learning Engineer

3 days ago

Sydney, New South Wales, Australia Gumtree Group Full time $120,000 - $180,000 per year

Join us at Gumtree Group (Gumtree, CarsGuide, Autotrader) as we grow Australia's leading classifieds and lifestyle network, reaching 1 in 4 Aussies every month.

About The Role
As part of our growth journey, we are looking for a
Senior
Machine Learning Engineer
to join our Technology Team. As a Senior Machine Learning Engineer, you will be responsible for designing, developing, and implementing machine learning models and algorithms to solve complex business problems. You will work closely with cross-functional teams to identify opportunities for leveraging machine learning techniques to drive business results. The ideal candidate will have a strong background in machine learning, statistics, and programming, as well as the ability to communicate complex ideas effectively in a simple way.

What You'll Do

  • Develop and deploy complex machine learning models and algorithms for various applications, such as search optimisation, recommendation systems, predictive analytics, fraud detection, natural language processing, and computer vision
  • Collaborate with data and engineering teams and domain experts to translate business requirements into technical solutions
  • Design and conduct experiments to evaluate the performance of machine learning models
  • Work with large, complex datasets to pick suitable models, create useful training sets, and adjust the model accordingly
  • Stay up-to-date with the latest advancements in machine learning and apply them to our business problems

What you'll bring:

  • Extensive programming skills in Python
  • Experience with machine learning frameworks such as TensorFlow or PyTorch
  • Knowledge of data science and expertise in statistics (e.g. Numpy, Pandas)
  • Experience delivering 2 or more of the following types of models: LSTM, BiLSTM, RNN, GRU, Seq2Seq, XGBoost, Kmeans, SVM, BERT, BART, RoBERTa, Transformer, Autoencoder, BM25, RRF, Word2Vec, HNSW, CNN, CLIP
  • Preferably experience with GCP or AWS
  • Experience with databases like Vector DBs, BigQuery, ElasticSearch, MySQL
  • Excellent problem-solving skills and ability to work independently
  • The ability to communicate effectively and collaborate with people in your team
  • Bachelor's or Master's degree in Computer Science, Mathematics, or a related field

What you'll get:

  • 24/7 access to Sonder for you and your family—because your wellbeing matters
  • Flex your schedule with hybrid work, flexible hours, and the freedom to work from anywhere for 4 weeks a year
  • A $150 monthly allowance toward your preferred health insurance, plus exclusive Bupa discounts
  • 20 weeks of paid parental leave and 12 weeks for secondary caregivers—we support all kinds of families
  • A Learning and Development budget to fuel your growth and help you level up
  • Your birthday off—yes, it's all about you
  • Regular team events and fortnightly socials so you can connect, unwind, and have a little fun along the way

Let's Do This
Ready to build something meaningful with great people, real impact and huge potential?

We'd love to hear from you

Please note: We're unable to provide sponsorship for this role. You'll need to hold current Australian working rights (PR, Citizenship or a valid work visa).

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