Senior Data Scientist - Muzz

Muzz; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Benefits offered by this job

Generous holiday / PTO

International travel

Meaningful equity

Learning day per month

Job summary

Muzz in London is seeking a data scientist with 6+ years of experience to drive personalization and commercial insights across our platform. You will partner with product, engineering and growth to unlock value as we expand into new markets.

You will own production ML systems, mentor teammates, and explore AI tools to raise the bar for the team, delivering measurable impact for millions of users. Hybrid role with 3 days in the office, based in London, offering an equity-forward, rapidly growing

Qualifications

• 6+ years of experience in data science or ML engineering.
• Strong Python and SQL skills.
• Experience with production ML pipelines.
• Experience in designing and conducting A/B experiments.
• Excellent written and verbal communication.
• Commercial mindset with product understanding.

Responsibilities

• Understand user behaviour and metrics to generate actionable insights for product and marketing.
• Work closely with product, engineering and growth teams to drive growth and optimize products as we expand into new markets.
• Own and evolve production ML systems behind personalization and recommendations serving millions of users.
• Experiment with AI tools and set best practices for the team to leverage them effectively.
• Mentor analysts and data scientists, helping shape technical standards and roadmap.
• Lead end-to-end ML projects from framing problems to shipping in live systems.

Skills

Python

SQL

ML engineering

A/B testing

Data analysis

Communication

Cross-functional

Tools

BigQuery

Vertex AI

GCP

Job description

Aldgate, London, Hybrid (3 Days in office)

Full Time

We’re looking for a smart and ambitious data scientist, with real entrepreneurial flair to join our team and understand our members and all the metrics that matter. Love numbers and love being commercial? This role presents an opportunity to mold the future of the data science team, explore new ideas and new technologies.

Muzz is the world’s largest Muslim dating and marriage app. We’ve got over 15 million members and have helped more than 800,000 couples get married. We’re on our way to become the first $1 billion Muslim tech brand – but we need your help!

Day to day

• You’ll be joining a dynamic data science team whose goal is to grow the company and optimize our products as we expand into new markets around the world
• You’ll be understanding our user behaviour on the platform with a view to generating actionable insights in terms of both product and marketing
• You’ll work closely with our product, engineering and growth teams
• You’ll be a proactive self-starter, driving innovation with a product focus
• You’ll be diving into a range of data to solve our highest impact and complex challenges
• You’ll own and evolve the production ML systems behind our personalization and recommendations serving millions of users
• You’ll use AI tools as a core part of how you work and help set how the wider team gets the most out of them
• You’ll raise the bar for the team – mentoring analysts and data scientists, and helping shape our technical standards and roadmap
• At least 6 years of experience in a Data Scientist or Machine Learning Engineer role
• Strong Python and SQL knowledge
• Strong grounding in the statistical methods behind personalisation and recommendations models – e.g. embeddings, ranking, collaborative filtering
• Excellent written and verbal communication skills and presenting to non-technical audiences
• Commercial mindset with the ability to harness customer insights to optimise our marketing and products
• Ability to work collaboratively in cross-functional teams
• Passionate about solving complex and challenging data problems
• Experience in designing and conducting A/B experiments
• A proven track record of developing and owning production ML pipelines – including data processing, deployment, monitoring, retraining
• Demonstrated end-to-end ownership of significant ML projects – from framing the problem to shipping it, and through the messy realities of live performance, edge cases and iteration once real users hit it

Nice to have

• Hands-on experience with recommender systems, with real-time or near-real-time updates and serving
• Experience in consumer-facing mobile-first products
• Experience with GCP platform – BigQuery/VertexAI

Why join Muzz?

We’re a profitable Consumer Tech startup, backed by Y Combinator (S17) and based in London . Join our fast growing team and work on an amazing product that’s changing the world.

A great product

We’re the leading app in this space with over 20 million members worldwide and counting!

From dental check-ups to specialist cancer care, plus a GP in your pocket and a nurse on the line 24/7. Your health is in good hands.

A diverse team

We have people from all walks of life all adding their unique perspective. Muslims and non-Muslims, cat lovers and dog lovers. Everyone is welcome!

Meaningful equity

We’re all working together to succeed and everyone on the team gets a slice of the pie.

A day off per month to learn

We value curiosity, that's why the last Friday of every month is set aside for you to learn and develop.

International travel

We fly the whole team to somewhere amazing twice a year to connect and have fun.

Mini golf, hikes, super competitive Catan nights - we’ve done it all. Maybe you’ll be at the next social?

Generous Holiday / PTO

All full-time members get at least 33 days of holiday, regardless of where they live.

Our hiring process

We pride ourselves on making fast hiring decisions.

Step 1.

Step 2.

An initial video call.

Step 3.

Complete a technical exercise.

Step 4.

Interview (in person or remote)

Step 5.

Receive an offer!