Senior Software Engineer (AI/ML, AI Platform)

Addepar; York and North Yorkshire; Hybrid; GBP 110,000 - 150,000; Full time

Benefits offered by this job

Equity in company ownership

Global hybrid workforce

Flexible time off

Competitive medical, dental and vision

Learning & Development allowance

Dynamic team

Job summary

Addepar in the United Kingdom is seeking a Senior AI Engineer to architect and lead AI capabilities powering our platform, delivering robust, scalable AI-native products. You will own end-to-end delivery from prototype to production in a fast-moving environment.

You will work with LLMs, vector databases, prompt tuning, and agentic frameworks, partnering with product managers to turn strategy into technical reality.

Qualifications

• 3-6+ years of professional backend software engineering experience.
• Experience shipping AI-native products or features or strong personal AI projects.
• Experience building AI products in finance or similar high-stakes domains is a plus.
• Advanced understanding of probabilistic systems underpinning LLMs.
• Experience with production-grade AI systems and tooling.

Responsibilities

• Architect, build, and productionize core components of the AI platform including LLMs, vector DBs, and prompt tuning.
• Lead end-to-end delivery of AI-native products from prototype to scalable production services.
• Enforce technical discipline and operational excellence across AI products.
• Iterate on AI products using performance metrics and user feedback.
• Evaluate and adopt new AI technologies and frameworks to stay at the frontier.
• Collaborate with product managers to translate strategic goals into technical realities.

Skills

Python

Golang

gRPC

AWS

Kubernetes

Education

MS in Computer Science

Statistics

Mathematics

Quantitative field or equivalent experience

Tools

Databricks

Langchain

MLFlow

Job description

• We are seeking a Senior AI Engineer to join our AI Platform team
• The AI Platform team is focused on enabling and building disruptive, innovative solutions to transform the wealth technology landscape with AI across our product suite and is growing quickly
• As a Senior AI Engineer, you will be responsible for architecting, leading, and driving the execution of the core AI capabilities that power our platform
• This is a high-impact role for an engineer who thrives on the frontier of applied AI and maintains a relentless focus on shipping
• You will not just work with LLMs and agentic frameworks; you will own the end-to-end delivery of AI-native products, ensuring that cutting-edge AI systems are hardened into robust, scalable, and high-performance production systems
• Drive the end-to-end execution and delivery of AI-native products, moving from initial prototype to scalable production services with high velocity
• Architect, build, and productionize core components of our AI platform – including:
• LLMs and the surrounding ecosystem (e.g., vector DBs, prompt tuning, etc.)
• Agentic frameworks
• Core agent capabilities like MCP/ cross-platform tool use, web browsing, computer use
• Enforce technical discipline and operational excellence for all of our AI products
• Rapidly iterate on AI products based on performance metrics and user feedback to drive continuous improvement
• Lead the evaluation and adoption of new AI technologies and frameworks to keep Addepar on the frontier of the industry
• Partner with product managers and other engineering teams to translate strategic goals into technical realities, abstracting AI complexity so they can iterate quickly

Benefits

• Equity: Stretch the idea of ownership beyond your day-to-day and take pride in being an owner in the growth of Addepar
• Global Hybrid Workforce: Whether you work remotely or on-site, you’ll have the opportunity to build and collaborate with colleagues around the world
• Flexible Time Off: Spend time traveling, celebrating with friends and family or relax on your schedule
• Benefits Packages: Competitive medical, dental and vision benefits along with a monthly wellness allowance to keep you healthy and happy
• Learning & Development Allowance: Your continued growth and development are important to us
• Dynamic Team: Strong investment in the best talent at the intersection of technology and finance

Deep ownership mindset, seeing projects through to completion and raising the bar for execution across the team3-6+ years of professional experience in backend software engineering, with expertise in programming languages/technologies like Python, Golang, gRPC, AWS, and KubernetesA strong bias for action, with a passion for shipping rapidly and iterating with feedbackProven experience shipping and maintaining AI-native products or features, or demonstrable passion through significant personal projects in AIBS/MS in Computer Science, Statistics, Mathematics, or another quantitative field, or equivalent experienceProven track record of owning and shipping complex, production-grade systemsExperience building AI products in highly accuracy-sensitive domains such as finance is a plusHands-on experience with technologies in the modern AI/LLM ecosystem, such as Databricks, Langchain, or MLFlowAdvanced understanding of the probabilistic systems underpinning modern LLMsSpecific experience with LLMs and agentic systems