Senior Data Scientist

Solirius Reply; London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

A leading consultancy in London is seeking a Senior Data Scientist to lead data science projects. You will develop data pipelines, collaborate with teams, and mentor junior staff while working in a dynamic environment. This role offers competitive salary and benefits.

Benefits

Flexible working

Private Healthcare

Generous annual discretionary bonus

25 days annual leave + bank holidays

10 days allocated development training

Contributory pension

Gym membership

Annual away days and social events

Qualifications

• Experience in data science or machine learning roles.
• Strong foundation in statistics and probability.
• Proven track record of delivering impactful data science solutions.

Responsibilities

• Lead end-to-end data science projects.
• Build and optimise machine learning models.
• Present actionable insights to senior leadership.

Skills

Communication

Teamwork

Self-motivation

Technical Skills

Tools

Python

R

SQL

scikit-learn

TensorFlow

XGBoost

PyTorch

AWS

GCP

Azure

Spark

Hive

Databricks

Flask

Django

Docker

Airflow

Job description

About Us:

Solirius Consulting delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever-changing technical landscape. We partner closely with our clients, embedding our consultants into their businesses in order to provide a bespoke service, allowing us to truly understand our clients' needs.

It is this close collaboration with our clients that has enabled us to grow rapidly in recent years and will drive our ambitious future growth plans. We currently have over 250 consultants working with a variety of key clients from both the public and private sectors such as the Ministry of Justice, Department for Education, FCDOS, UEFA, International Olympic Committee and Mercedes Benz; with plans to increase our client base further in the near future.

We operate as a flat organisation and believe in trusting and supporting our team to operate independently. We pride ourselves on being specialists at what we do, making the most of our consultants' expertise in their fields in order to provide a best-in-class service to our clients. All our consultants have the opportunity to work on a range of different projects, providing a broad range of knowledge on which to develop their careers and progress in the direction they choose.

The Role:

We are looking for an experienced Senior Data Scientist to join our team here at Solirius. You will be working as part of a team, developing and delivering exciting projects with a fantastic team of technology experts.

You will be responsible for designing, developing, and maintaining data pipelines and systems that enable data analysis and machine learning. You will also collaborate with data engineers, analysts, and other stakeholders to ensure data quality and reliability.

About you:

Our team is our strongest asset, you will be an excellent team player who recognises the strength of the team as a whole and can find their role within the Solirius team. Typical qualities of a Solirius consultant are:

Best in class technical skills in their sector

• Outstanding communication skills
• Strong interpersonal and team working skills
• Self motivated, enthusiastic and committed The ideal candidates will share our values and be aligned with our ways of working
  
  
  

Requirements

Key Responsibilities:

• Lead end-to-end data science projects, from ideation and data exploration to model development and deployment.
• Build and optimise machine learning models for prediction, classification, recommendation, or segmentation.
• Collaborate with data engineers, product managers, analysts, and business stakeholders to translate complex problems into analytical solutions.
• Drive experimentation through A/B testing, causal inference, and other statistical methodologies.
• Present actionable insights and recommendations to senior leadership.
• Mentor junior data scientists and contribute to the growth of the data science function.
• Stay current with emerging tools, technologies, and best practices in data science and machine learning
• Assist with defining the processes needed to achieve operational excellence
• Ensure data quality across all projects/clients
• Define and manage SLA's for data sets and processes throughout production
• Lead on the design, build and launch of new data models and pipelines
  
  
  

Key Skills/Experience:

• Experience in data science or machine learning roles, preferably in a fast-paced tech or enterprise environment.
• Proficient in Python or R, SQL, and common machine learning frameworks (e.g., scikit-learn, TensorFlow, XGBoost, PyTorch).
• Strong foundation in statistics, probability, and hypothesis testing.
• Experience with cloud platforms (AWS, GCP, Azure) and big data tools (Spark, Hive, Databricks, etc.) is a plus.
• Excellent communication and storytelling skills with the ability to explain complex concepts to non-technical stakeholders.
• Proven track record of delivering impactful data science solutions in a business setting
• Experience in operating as part of data engineering teams and independently
• Line/Team management experience, leadership experience
• SQL and relational databases (e.g. MS SQL/Azure SQL, PostgreSQL)
• You have framework experience within either Flask, Tornado or Django, Docker
• Experience working with ETL pipelines is desirable e.g. Luigi, Airflow or Argo
• Data acquisition and development of data sets and improving data quality
• Preparing data for predictive and prescriptive modelling
• Hands on coding experience, such as Python
• Reporting tools (e.g. Tableau, PowerBI, Qlik)
• GDPR and Government Service Standard (desirable)
• Experience working in an Agile development environment
• Data architecture experience
  
  
  

Benefits

Package and Benefits:

• Competitive salary, dependent on experience
• Flexible working / Work from home
• Private Healthcare
• Generous annual discretionary bonus
• 25 days annual leave + bank holidays
• 10 days allocated development training per year
• Contributory pension
• Gym membership
• Annual away days and social events
  
  
  

Equality & Diversity:

Solirius Consulting is an equal opportunities employer. We are committed to creating a work environment that supports, celebrates, encourages, and respects all individuals and in which all processes are based on merit, competence and business needs. We do not discriminate on the basis of race, religion, gender, sexuality, age, disability, ethnicity, marital status or any other protected characteristics.

Should you require further assistance or require any reasonable adjustments be put in place to better support your application process, please do not hesitate to raise this with us.