Senior Machine Learning Engineer (M/F/D)

Senior Machine Learning Engineer As a Senior Machine Learning Engineer, you’ll take ownership of designing, building, and deploying advanced LLM-based and agentic systems that extract and reason over medical records and application data. You’ll experiment, iterate, and ship quickly, working alongside a cross-functional team in a dynamic, fast-fail environment. Your work will have a direct impact on our product and business as we push the boundaries of what’s possible with AI.  Architect multi-step, tool-using pipelines with explicit state, guardrails, and human-in-the-loop review where the stakes demand it.  Lead Innovation: Push the envelope with cutting-edge LLM and agentic techniques to solve hard problems in language understanding, extraction, and reasoning.    Shape the Product : Collaborate with Product, Design, and Underwriting SMEs to align ML capabilities with product goals and real domain constraints.  Experience: 6+ years in ML/AI, with deep hands-on expertise in NLP, LLMs/SLMs, and agentic systems.  Hands-on experience building with OpenAI and Anthropic models/APIs; Experience with Claude Code/Codex and associated coding-agent workflows is a plus.  Backend & Infra Skills: Strong Python skills, with FastAPI for service development, Postgres (or similar) for data persistence, and comfort with event-driven, async architectures. Working knowledge of ML frameworks (PyTorch, TensorFlow), containerisation with Docker and Kubernetes, and cloud platforms (AWS preferred).  Mindset: Entrepreneurial, ownership-driven, and biased to action, with a "Build Fast, Fail Fast" approach, thriving in agile, iterative environments.   This means working in an environment where you can really make a difference and where the opportunities for continuous learning and development are abound. Unlike many other scale-up Tech companies, we have the financial backing of our successful parent company. From competitive salaries and bonus schemes to wellness offerings and a hybrid working approach that facilitates a healthy work-life balance We also take pride in giving back to the community and offer rewarding volunteering and social responsibility opportunities. UnderwriteMe is an Insurtech software business and subsidiary of Pacific Life Re (PL Re), a global life and pensions reinsurance firm. We have a vision to help everyone purchase protection insurance by using data and disruptive technology to transform our partners and markets in order to make their underwriting processes as quick and efficient as possible.  We are already working on capabilities, powered by AI, to make these decisions even more efficient. • We currently deliver 16% of the UK markets protection policies and we are already working to increase our reach. Joining UnderwriteMe means being part of a technology company that is committed to bringing a fresh and dynamic approach to insurance. You’d be working with a team of highly technical experts made up of people with backgrounds in software, fintech, and insurance. Every person in our global team is valued for the unique qualities they bring to our business and we seek to build their expertise and support their individual ambitions at every step. We regularly host a range of team building days to strengthen our team's connection with each other and reflect on their successes. Providing employees with a healthy work-life balance is very important to our culture. We have a wide range of employee benefits and we host regular social activities and wellbeing initiatives. We are also committed to supporting our employee's involvement in their communities, by actively fundraising, hosting charity events, and overseeing volunteering opportunities. Benefits (Only for Permanent and Fixed Term Employees) 25 days of annual leave with option to buy/sell more days  ~ Generous enhanced parental leave  Comprehensive private insurance coverage for employee and dependents Group Life Insurance coverage of 9x basic annual salary and Group Income Protection up to 75% of basic annual salary  Savings & Retirement ~Subsidized gym membership  Access to Employee Assistance Program  Cycle to Work and Electric Car Salary Sacrifice Scheme  Time off for volunteering  We are committed to a culture of diversity and inclusion that embraces the authenticity of all employees, partners and communities. As part of our commitment to accessibility for all, UnderwriteMe will, upon the request of the applicant, provide accommodation during the recruitment process to ensure equal access to applicants with disabilities. Please contact us about your needs, and we will consult with you to ensure suitable accommodation is provided.