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Software Engineer - Customer Facing Applied AI

AddeparLondon, UKAI
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Salary
Not listed
Job type
Full-time
Experience
Mid
Posted
9 Oct 2026
Status
Open · checked 7d ago

About this role

Addepar offers a full-time Software Engineer - Customer Facing Applied AI position located in London, UK, tailored for professionals with a background in software development and artificial intelligence integration. This role suits software engineers who enjoy collaborating directly with clients to prototype, build, and deploy agentic AI systems from scratch.

Role Overview

The Applied AI team embeds directly with strategic clients to discover where artificial intelligence can transform operational workflows and subsequently builds those capabilities from the ground up. Professionals in this position handle the entire lifecycle of a project, moving from problem identification and rapid prototyping to production deployment alongside core engineering groups. The function involves occasional work outside standard business hours and up to 15% travel to client sites, including overnight stays.

Key Responsibilities

Build AI-powered agents and tools end-to-end by identifying problems with clients, prototyping quickly, evaluating rigorously, and shipping to production
Design and implement large language model integrations such as prompt engineering, function calling, structured outputs, and retrieval-augmented workflows
Define evaluation criteria and construct test harnesses for artificial intelligence systems with ambiguous or domain-specific correctness
Collaborate directly with clients to understand workflows, validate AI behavior, and iterate toward production quality
Partner with core engineering teams to generalize client-specific implementations into broader product features
Contribute to shared AI infrastructure including agent frameworks, tool integrations, and deployment pipelines
Monitor and maintain production AI systems with a focus on reliability, cost, and performance

Requirements

Prior professional software engineering experience
Professional experience utilizing Python as the primary language
Practical background working with large language model application programming interfaces such as Claude or GPT, including function calling and structured outputs
Comfort utilizing SQL for data exploration and constructing data-grounded AI workflows
Familiarity with AI-assisted development tools like Claude Code or Codex
Demonstrated ability to build systems from the ground up and a bias for action
Degree in Computer Science, Mathematics, another quantitative discipline, or equivalent practical experience
Valid right to work in the United Kingdom from the first day of employment

Nice to Have

Experience constructing agentic systems involving multi-step tool use, agent orchestration, and durable workflows
Proficiency in additional backend languages, particularly Java
Familiarity with financial data covering portfolios, transactions, securities, and accounting
Exposure to cloud infrastructure on Amazon Web Services and container-based deployments
Experience utilizing evaluation frameworks or methodologies to measure AI system quality

Skills and Tools

Python
SQL
Large Language Model APIs
Claude Code
Codex
Java
Amazon Web Services

About the Company

Addepar operates a global data and artificial intelligence platform that unifies portfolio, market, and client data to deliver insights within investment workflows. Over 1,500 firms across 60 countries rely on the platform to manage nearly $10 trillion in assets. The enterprise integrates with 650 software, data, and consulting partners and maintains global office locations including London, New York City, Salt Lake City, and Singapore.

How to Apply

Interested candidates should visit the official Addepar careers page to submit an application.

Skills and tech stack

Questions candidates ask

Is visa sponsorship available for this position in London?

No, visa sponsorship is not available. Applicants must possess and maintain the legal right to work in the United Kingdom from their first day of employment.

What is the primary programming language used by the team?

Python is the primary programming language utilized by the team, though familiarity with Java is noted as a nice-to-have skill.

Does this role involve travel to client sites?

Yes, the position may require up to 15% travel to client sites, which can include occasional overnight and multi-day engagements, as well as occasional work outside standard business hours.

What level of education or experience is required?

Applicants need prior professional software engineering experience alongside a Bachelor of Science or Master of Science degree in Computer Science, Mathematics, or another quantitative field, or equivalent practical experience.

What primary tasks does an Applied AI Engineer perform at Addepar?

Engineers build AI-powered agents and tools end-to-end, design large language model integrations, define evaluation criteria, work directly with clients to validate workflows, and partner with core engineering teams to ship features to production.

Ready to apply?

The application is on the official Addepar careers page.

Apply on company site