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Sr. Software Engineer - Customer Facing Applied AI

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

About this role

Addepar is seeking a Sr. Software Engineer for Customer Facing Applied AI based in London, UK, to build end-to-end AI agents and features alongside strategic clients. This full-time position is well-suited for an experienced developer who enjoys direct client collaboration and taking zero-to-one artificial intelligence solutions into production.

Role Overview

The Applied AI group functions inside Addepar by embedding directly with key clients to discover operational pain points and construct custom artificial intelligence capabilities from the ground up. Personnel spend time analyzing user environments, prototyping solutions, validating performance, and collaborating alongside core engineering groups to transform client solutions into universal product features. The position may involve travel up to 15% of the time for client sites, including multi-day engagements, as well as occasional work outside regular business hours to align with client time zones.

Key Responsibilities

Construct end-to-end artificial intelligence agents and tools by identifying client challenges with domain experts, prototyping rapidly, evaluating stringently, and releasing to production.
Design and execute large language model integrations encompassing prompt engineering, structured outputs, function calling, and retrieval-augmented workflows.
Establish evaluation benchmarks and construct test harnesses for artificial intelligence solutions in domains where correctness proves ambiguous.
Engage directly alongside clients to comprehend workflows, validate artificial intelligence behavior, and refine toward production standards.
Coordinate with core engineering units to translate client-specific developments into generalized product offerings.
Contribute to shared artificial intelligence infrastructure including agent frameworks, tool integrations, and deployment pipelines.
Observe and sustain production artificial intelligence systems while focusing on reliability, financial cost, and operational performance.

Requirements

Extensive professional software engineering background.
Professional employment history utilizing Python.
Practical familiarity utilizing large language model APIs such as Claude or GPT, incorporating function calling and structured outputs.
Proficiency applying SQL for data exploration and constructing data-grounded artificial intelligence workflows.
Background using artificial intelligence-assisted development tools like Claude Code or Codex.
Demonstrated ability to construct projects from scratch, taking responsibility from initial discovery to final production.
Possession of the legal right to work in the United Kingdom starting on the first day of employment.

Nice to Have

Background constructing agentic architectures involving multi-step tool use, agent orchestration, and durable workflows.
Experience programming in alternative backend languages, particularly Java.
Prior exposure to financial data elements like portfolios, transactions, securities, and accounting.
Familiarity utilizing cloud infrastructure on AWS alongside container-based deployments.
Exposure to evaluation methodologies or frameworks designed for measuring artificial intelligence system quality.

Skills and Tools

Python
SQL
Large Language Model APIs
Claude
GPT
Claude Code
Codex
Java
AWS
Container-based deployments

About the Company

Addepar operates a global data and artificial intelligence platform that assists investment professionals in converting complex financial data into practical intelligence. More than 1,500 firms operating across 60 countries utilize the platform to manage and advise on nearly $10 trillion in assets. The open architecture connects with 650 software, data, and consulting partners to facilitate comprehensive investment operations. Addepar maintains global offices in locations including New York City, Salt Lake City, London, Edinburgh, Geneva, Warsaw, Dubai, Pune, and Singapore.

How to Apply

Interested candidates should apply directly on the official company careers page.

Skills and tech stack

Questions candidates ask

Where is this job located?

This role is based in London, UK, with up to 15% travel to client sites required.

Is visa sponsorship available for this position?

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

What programming language is primarily used by the team?

Python is the primary language used by the team, with Java listed as a nice-to-have secondary backend language.

What is the primary focus of the Applied AI team?

The team embeds with strategic clients to identify how artificial intelligence can transform their operations, build those capabilities from scratch, and partner with core engineering to release them as standard products.

Are there travel requirements for this role?

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

Ready to apply?

The application is on the official Addepar careers page.

Apply on company site