Company: Gridlines is a rapidly growing financial modelling consultancy practice. We transforming the world of financial modelling, helping our clients to make complex financial decisions quickly and with confidence. We love to work with exciting clients that are making a big impact on the world around us, helping to tackle some of the world's greatest challenges. We plan to continue our rapid expansion and are looking for the brightest and best talent to join us on this journey. Role: We are seeking an experienced analyst that is passionate about financial modelling and driven by growth. You will work with a team of modelling professionals to create, analyse and optimise complex financial models, ensuring they are robust and reliable.

• You’ll build, test, and ship ML-powered features that enhance learning experiences • You’ll design scalable ML pipelines in collaboration with our platform teams • You’ll work closely with PMs, designers and engineers to align on user needs and product direction • You’ll run experiments to validate assumptions and improve model effectiveness • You’ll contribute to shared ML infrastructure and best practices at Canva • You’ll keep up with state-of-the-art developments and explore ways to apply them at scale

• Implement, maintain and evolve data ingestion and processing pipelines across RAW, TRUSTED and REFINED layers; • Develop ingestion processes using AWS Lambda; • Manage data in Amazon S3 (Landing and Output), using Parquet and JSON formats and execution metadata; • Make data available for querying and analysis via Amazon Athena; • Ensure data quality, versioning and traceability; • Execute reprocessings and adjustments on existing pipelines; • Develop, maintain and tune optimization models based on Genetic Algorithms; • Tune parameters and fitness functions to improve solution quality, reduce execution time, and ensure stability and convergence of results; • Evaluate outcomes and support continuous improvement of operational performance; • Operate and evolve models already in production; • Integrate processing services using Amazon SQS; • Publish execution outputs, including optimization results, technical logs, and functional and operational metadata; • Support daily operation of pipelines and models in production; • Implement and maintain basic logs and metrics; • Diagnose failures and assist with fixes in the production environment; • Contribute to improvements in robustness, reliability and scalability; • Follow observability and operational standards defined by the team.

ABOUT US At RADAR, we're transforming the way the world thinks about physical retail. RADAR has raised over $104M from top investors, retailers, and strategics and works with some of the world's retail brands including American Eagle and Gap. We’re building the future of in-store experience where every product and every person can be precisely located in real time. Our platform combines RFID and AI to unlock hyper-accurate product visibility and automation at scale. From real-time inventory tracking to seamless checkout experiences, our technology empowers some of the world’s largest retailers to streamline operations, reduce loss, and elevate both employee and customer experiences. We’re a fast-growing, mission-driven startup where bold ideas, collaboration, and impact are at the core of everything we do. Join us as we reshape the physical world with digital precision, starting with retail and expanding far beyond! OUR VALUES Mission-Driven : We're transforming retail with cutting-edge technology and building something that truly matters. Collaborative Team : We thrive on curiosity, shared goals, and solving complex problems together. High Impact : You’ll make meaningful contributions from day one and help shape the future of our product and company. Clear Communication : We value honesty, humility, and respectful dialogue—everyone’s voice matters. Balanced Lives : We work hard, but not at the expense of well-being. We respect time, boundaries, and life outside of work. Diverse Perspectives : We believe better ideas come from diverse backgrounds, experiences, and viewpoints. Empathy-Driven Design : We build with deep respect for our end users, listening closely to their feedback and needs. ABOUT THE JOB We are looking for a Machine Learning Engineer to help build and develop our ML capabilities at RADAR. The role requires extensive collaboration with teams and functions across the company ranging from product and customer success to engineering, data science and research. Responsibilities: Build and scale ML infrastructure: Design and maintain scalable, reliable and efficient production pipelines for feature engineering, training, prediction and model serving using tools including Airflow, Big Query and Kubeflow Drive model performance: Train, validate and deploy high-quality ML models, applying advanced techniques in feature selection, hyperparameter tuning and model architecture choices to improve the accuracy of our products Accelerate ML development: Optimize feature engineering pipelines for performance and scalability while collaborating with Data Science to research, develop, and deploy new features that improve model accuracy Ensure reliability: Implement comprehensive model monitoring, automated training pipelines, and observability solutions to maintain model health and performance Accelerate ML development: Optimize feature engineering pipelines for performance and scalability while collaborating with Data Science to research, develop, and deploy new features that improve model accuracy Champion best practices: Apply CI/CD principles including automated testing, model validation, and deployment strategies ABOUT YOU Required : 5+ years building production ML systems at scale, including feature engineering, training, deployment, and monitoring Strong proficiency in Python and ML frameworks (scikit-learn, PyTorch, XGBoost) Hands-on experience with cloud ML platforms (AWS SageMaker, Vertex AI, or Azure ML) Expertise in big data processing including SQL optimization and distributed computing (Spark/Dask) Production experience with workflow orchestration tools (Airflow, Dagster, Prefect) Proficiency with version control (Git) and CI/CD practices Preferred: Experience with real-time streaming data (Kafka, Flink, Pub/Sub.) Bachelor's degree in Computer Science, Statistics, or related field Experience with MLOps tools (MLflow, Weights & Biases, etc.) At RADAR, your base pay is one part of your total compensation package. The expected base salary range for this position is $160,000.00 - $200,000.00. Individual pay is determined by work location and additional factors,  including job-related skills, experience and relevant education or training. You will also be eligible to receive other benefits including: equity, comprehensive medical and dental coverage, life and disability benefits, 401k plan,  flexible time off, and paid parental leave. The pay range listed for this position is a good faith and reasonable estimate of the range of possible base compensation at the time of posting. Research has shown that women & underrepresented minorities are more likely to read lists of requirements and consider themselves unqualified if they don't meet every single one. This list represents what we're ideally looking for, but everyone has unique strengths & weaknesses, and we hire for strength & potential, not lack of weakness.