Machine Learning Engineer

hackajob is collaborating with Rightmove to connect them with exceptional tech professionals for this role. We are looking for a Machine Learning Engineer Location: London - hybrid, 2 days a week in office Reporting to: Head of AI The role At Rightmove, you'll join a close-knit, collaborative AI team that's developing, shipping and operating live ML/AI services that help Rightmove deliver exceptional experiences and value to consumers, our partners and all our stakeholders across the UK property market. We are looking for a talented Machine Learning Engineer who thrives in environments where reliability, scale, and impact truly matter. You'll be at the heart of a greenfield opportunity - building, deploying, and operating machine learning systems that leverage Rightmove's data at large scale. You'll have the opportunity to shape best practices, own and grow the ML Ops discipline, and help us move from first launches to robust, sustainable production. In this role, you will work in a cross-functional team to productionise machine learning and AI models, ensuring they are robust, scalable, and measurable. You'll collaborate closely with data scientists, engineers, and product teams to automate workflows, monitor performance, and retrain models as needed. You'll bring a passion for building reliable ML infrastructure, a strong technical foundation in modern machine learning engineering, and a track record of working in environments where reliability and scale are paramount. Our Data & Analytics team has grown significantly over the last 18 months, with strong ongoing investment in infrastructure, tooling, and talent. This is a unique opportunity to own high-impact projects, help define our AI roadmap, and influence the future of how the UK engages with property. A typical week as a Machine Learning Engineer might involve; Designing, building, and maintaining ML pipelines for training, deployment, monitoring, and retraining at scale. Working with data scientists to take models from development to production-grade systems, ensuring scalability, reproducibility, and robustness. Automating feature engineering and data pipeline processes, ensuring reproducibility and auditability. Implementing monitoring and observability to detect drift, bias, and performance degradation, and setting up rollback/recovery processes. Using MLOps tools (e.g., Vertex Pipelines, Kubeflow, Weights & Biases) for experiment tracking, model registry, and automated deployment. Leveraging Docker/Kubernetes and workflow orchestration tools (Airflow, Prefect, Dagster). Collaborating with product, design, and engineering teams to deliver ML features that directly impact customer experience. Translating model performance into business metrics (e.g., accuracy vs cost/latency trade-offs). Monitoring deployed solutions in production and automating retraining as needed. Sharing knowledge across the data and AI community at Rightmove. We're looking for someone who; Has impactful experience deploying and maintaining ML systems in production, ideally in larger, mature organizations or teams operating at significant scale (e.g., web-scale, distributed systems, cloud-native environments). Brings expertise in MLOps: CI/CD pipelines, Docker, Kubernetes, workflow orchestration (Airflow, Prefect), and automation. Has experience across and understands the full ML lifecycle. Can design for long-term scalability, reliability, and resilience. Has strong programming skills with Python - essential. Has hands-on experience with ML frameworks (PyTorch, TensorFlow, Scikit-learn). Is experienced with cloud platforms (ideally GCP: BigQuery, Vertex AI, Dataflow), but AWS/SageMaker or similar is also valued. Has operated in distributed computing environments, working with large datasets and parallelized processing. Can communicate technical concepts and trade-offs to both technical and non-technical audiences. Is proactive, detail-oriented, and motivated to learn emerging ML engineering tools. Has experience working within cross-functional teams and collaborating across teams. Keeps abreast of the latest advancements in machine learning engineering, MLOps, and generative AI. We would love someone to have any of the following Bachelor's, Master's, or PhD in Computer Science, Engineering, Data Science, or a related STEM subject (with a focus on software development or distributed systems). 3+ years of experience as an ML Engineer, MLOps Engineer, Data Engineer, or similar, in a larger-scale, production-focused environment. Hands-on with model monitoring, observability, and retraining pipelines. Exposure to feature stores, registries, and experimentation frameworks. Familiarity with business-driven metrics and experience balancing ML performance with commercial goals. Experience with generative AI and LLM frameworks for fine tuning, evaluation, deployment and serving desirable. About Rightmove Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust and belief to make it happen. We're home to the UK's largest choice of properties, and are the go-to destination for millions of people planning their next move, reading the latest industry news, or just browsing what's on the market. Despite This Growth, We've Remained a Friendly, Supportive Place To Work, With Employee #1 Still Working Here We've Done This By Placing The Rightmove Hows At The Heart Of Everything We Do. These Are The Essential Values That Reflect Our Culture, And Include We create value...by delivering results and building trust with partners and consumers. We think bigger...by acting with curiosity and setting bold aspirations. We care deeply...by being real, having fun, and valuing diversity. We move together...by being one team - internally collaborative, externally competitive. We make a difference...by focusing on delivering measurable impact. We believe in careers that open doors, and help our team develop by providing an open and inclusive work environment, offering ongoing training opportunities, and supporting charity fundraising events. And with 88% of Rightmovers saying we're a great place to work, we're clearly doing something right If all this has caught your eye, you may well be a Rightmover in the making... What we offer People are the foundation of Rightmove - We'll help you build a career on it. Cash plan for dental, optical and physio treatments Private Medical Insurance, Pension and Life Insurance, Employee Assistance Plan 27 days holiday plus two (paid) volunteering days a year to give back, and holiday buy schemes Hybrid working pattern with 2 days in office Contributory stakeholder pension Life assurance at 4x your basic salary to a spouse, family member or other nominated person in your life Competitive compensation package Paid leave for maternity, paternity, adoption & fertility Travel Loans, Bike to Work scheme, Rental Deposit Loan Charitable contributions through Payroll Giving and donation matching Access deals and discounts on things like travel, electronics, fashion, gym memberships, cinema discounts and more As an Equal Opportunity Employer, Rightmove will never discriminate on the basis of age, disability, sex, race, religion or belief, gender reassignment, marriage/civil partnership, pregnancy/maternity, or sexual orientation. At Rightmove, we believe that a diverse and inclusive workforce leads to better innovation, productivity, and overall success. We are committed to creating a welcoming and inclusive environment for all employees, regardless of their background or identity, to develop and promote a diverse culture that reflects the communities we serve. Ultimately, we care much more about the person you are, and how you think and approach things, than a list of qualifications and buzzwords on a CV. Even if you can't say 'yes' to all the above, but are smart, self-motivated and passionate about Customer Care, then get in touch.