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Senior Software Engineer - AI/ML - AI Platform

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Before you apply

Work authorization
Must already have the right to work in the UKApplicants must have, and maintain, the right to work in the United Kingdom from the first day of employment
Eligibility
Please note that visa sponsorship is not available for this role. — eligibility source
Applicants must have, and maintain, the right to work in the United Kingdom from the first day of employment. Please note that visa sponsorship is not available for this role.
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What you’ll work on

Full posting
  • Drive AI-native products from prototype to scalable production with high velocity

  • Build LLM components, agentic frameworks and core agent capabilities for the platform

  • 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

From the employer’s posting
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
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

What you’ll bring

All qualifications

Core experience

  • Proven experience shipping and maintaining AI-native products or features, or demonstrable passion through significant personal projects in AI
  • Deep ownership mindset, seeing projects through to completion and raising the bar for execution across the team
Qualification wording
Proven experience shipping and maintaining AI-native products or features, or demonstrable passion through significant personal projects in AI
Deep ownership mindset, seeing projects through to completion and raising the bar for execution across the team

About Addepar

Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence.

In the employer’s words · Read in context

Apply at Addepar

Posting record

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Status in our records
Live
First seen by us
Oct 23, 202621 days ago
Recorded sightings
25
Last seen by us
Nov 13, 2026
Reposted
once since Sep 4, 2026

These dates show when we found the posting. Check the employer’s website to confirm it is still accepting applications. We count a repost when the same title and location comes back as a new listing within 60 days of the last one coming down. Some hiring systems expire listings on a schedule, so repost rates vary by system.

How this job compares

Time since we first saw it

Day 21

Similar jobs usually come down between day 4 and day 77.

At Addepar, jobs usually come down by about day 57.

From 51 similar postings that came down, and 51 of Addepar’s. Coming down is not always a hire.

Addepar is hiring

25 open jobs

Open jobs by the week we first saw them, last 12 weeks.

  • Hiring at a steady pace
  • Takes jobs down at a usual pace
  • 8% of open jobs were reposted
Hiring record

See how this role fits your experience

Add your resume and we’ll mark which of these tools you already use, and point out anything in the posting that could rule you out.

  • Go
  • Python
  • AWS
  • Databricks
  • Kubernetes
  • MLflow
Where the posting names them
Who You Are - Extensive professional experience in backend software engineering, with expertise in programming languages/technologies like Python, Golang, gRPC, AWS, and Kubernetes - Proven track record of owning and shipping complex, production-grade systems.
- [Preferred] Specific experience with LLMs and agentic systems - [Preferred] Hands-on experience with technologies in the modern AI/LLM ecosystem, such as Databricks, Langchain, or MLFlow - [Preferred] Advanced understanding of the probabilistic systems underpinning modern LLMs

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Demand for AI Engineer roles

New AI Engineer postings at the employers we follow are up 134% over the last 6 weeks compared with the 6 before.

Weekly new AI Engineer postings at the same employers, from the week of August 17 to the week of November 2. The fewest in a week was 7, the most 65, and the latest week had 65.
August 17Last week

Each bar is one week of new postings. The darkest bars are the last 6 weeks.

Counted from the hiring pages we’ve followed for at least five weeks, so employers we add don’t look like growth. Updated weekly.

About the role

We file this job under AI Engineer, by the work the posting describes.

AI engineers build products on top of AI models that already exist, most often large language models: they connect a model to a company's data and tools and ship the assistants, agents and search features people use.

Postings ask for strong Python or TypeScript, experience with model APIs, retrieval and agent frameworks, and ways to test whether the model's answers are good enough.

An ML engineer trains and serves models; an AI engineer usually starts from a model someone else trained and builds the product around it, though titles often mix the two.

Job description

View original posting ↗

Who We Are

Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI-powered insights within investment and client workflows. More than 1,500 firms in 60 countries use Addepar to manage and advise on nearly $10 trillion in assets. Its open platform integrates with 650 software, data and consulting partners to power end-to-end investment operations across firms of all sizes and levels of complexity. Addepar supports clients worldwide with offices in New York City, Salt Lake City, São Paulo, London, Edinburgh, Geneva, Warsaw, Dubai, Pune and Singapore.

The Role

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.

Applicants must have, and maintain, the right to work in the United Kingdom from the first day of employment. Please note that visa sponsorship is not available for this role.

What You’ll Do

  • 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

Who You Are

  • Extensive professional experience in backend software engineering, with expertise in programming languages/technologies like Python, Golang, gRPC, AWS, and Kubernetes
  • Proven track record of owning and shipping complex, production-grade systems.
  • Proven experience shipping and maintaining AI-native products or features, or demonstrable passion through significant personal projects in AI
  • Deep ownership mindset, seeing projects through to completion and raising the bar for execution across the team
  • A strong bias for action, with a passion for shipping rapidly and iterating with feedback
  • BS/MS in Computer Science, Statistics, Mathematics, or another quantitative field, or equivalent experience
  • [Preferred] Specific experience with LLMs and agentic systems
  • [Preferred] Hands-on experience with technologies in the modern AI/LLM ecosystem, such as Databricks, Langchain, or MLFlow
  • [Preferred] Advanced understanding of the probabilistic systems underpinning modern LLMs
  • [Preferred] Experience building AI products in highly accuracy-sensitive domains such as finance is a plus

Our Values 

  • Act Like an Owner - Think and operate with intention, purpose and care. Own outcomes.
  • Build Together - Collaborate to unlock the best solutions. Deliver lasting value. 
  • Champion Our Clients - Exceed client expectations. Our clients’ success is our success. 
  • Drive Innovation - Be bold and unconstrained in problem solving. Transform the industry. 
  • Embrace Learning - Engage our community to broaden our perspective. Bring a growth mindset. 

In addition to our core values, Addepar is proud to be an equal opportunity employer. We seek to bring together diverse ideas, experiences, skill sets, perspectives, backgrounds and identities to drive innovative solutions. We commit to promoting a welcoming environment where inclusion and belonging are held as a shared responsibility.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

PHISHING SCAM WARNING: Addepar is among several companies recently made aware of a phishing scam involving con artists posing as hiring managers recruiting via email, text and social media. The imposters are creating misleading email accounts, conducting remote “interviews,” and making fake job offers in order to collect personal and financial information from unsuspecting individuals. Please be aware that no job offers will be made from Addepar without a formal interview process. Additionally, Addepar will not ask you to purchase equipment or supplies as part of your onboarding process. If you have any questions, please reach out to ta-operations@addepar.com.

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Pay

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Location & working pattern

London, UK

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. PHISHING SCAM WARNING: Addepar is among several companies recently made aware of a phishing scam involving con artists posing as hiring managers recruiting via email, text and social media. The imposters are creating misleading email accounts, conducting remote “interviews,” and making fake job offers in order to collect personal and financial information from unsuspecting individuals. Please be aware that no job offers will be made from Addepar without a formal interview process. Additionally, Addepar will not ask you to purchase equipment or supplies as part of your onboarding process. If you have any questions, please reach out to ta-operations@addepar.com.
Work authorization
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. Applicants must have, and maintain, the right to work in the United Kingdom from the first day of employment. Please note that visa sponsorship is not available for this role. What You’ll Do

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