GAIN Customer Science - Senior BI Analyst

GAIN; Bristol; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading creative data company in Bristol is seeking a Senior BI Analyst to design, build, and maintain a comprehensive reporting suite. The ideal candidate will have advanced Power BI skills, experience in SQL and Python, and a strong understanding of data governance. This role involves collaboration across teams to support data-driven decision-making, ensuring reporting meets both internal and external needs. The company offers robust benefits including Private Medical Insurance and life assurance.

Benefits

Private Medical Insurance

BUPA Life Assurance

Income protection

Employee Assistance Programme

Cycle to Work salary sacrifice scheme

Tech & Wearables salary sacrifice scheme

Octopus EV Scheme

Discounts & deals on various services

Qualifications

• Proven experience as a BI Analyst, or in a similar data-focused role, building end-to-end dashboards.
• Experience with both back-end data architecture and front-end data visualisation.
• Strong understanding of data governance and reporting best practices.

Responsibilities

• Design, build and maintain dashboards using client customer and transactional data.
• Collaborate with internal stakeholders to understand business questions and requirements.
• Create and maintain data models and ETL processes.

Skills

Power BI

SQL

Python

Data governance

Communication skills

Process improvement

Cloud data platforms

Tools

Databricks

BigQuery

Looker

Tableau

Job description

About

GAIN is a creative-led, insight-driven company that blends data, tech and creativity. We believe the best ideas emerge where intelligence and creativity unite, where insight sparks imagination, and where innovation turns possibility into progress. We are explorers of new frontiers, shaping bold strategies that move people, brands, and businesses forward. Individually and together, our specialist teams provide the vision, data, and confidence brands and organisations need to make braver, more impactful decisions. Today as GAIN, we work as a united force, using data to fuel creativity, and technology to unlock new possibilities. As imagineers we don\'t just embrace innovation - we engineer it, transforming information into action, and ideas into breakthroughs. This is where rebel thinking, smart technology, and data-driven creativity shape the future. Through our five specialist teams: Creative Studio, Conversion, Customer Science, Experience and Performance. Individually, and together, we work to fuel your growth, and deliver measurable impact.

The Role

The Senior BI Analyst will sit within the BI arm of our Analytics team within GAIN Customer Science. This role is responsible for designing, building, and maintaining a robust reporting suite that empowers data-driven decision-making. This includes developing standardised reports that answer key business questions and can be rolled out across our full client base. You\'ll work both with Analytics team members as well as the Client Strategy team to ensure reporting is fit for both internal use and external clients.

Requirements

• Proven experience as a BI Analyst, or in a similar data-focused role, building end-to-end dashboards
• Experience with both back-end data architecture and front-end data visualisation
• Advanced Power BI skills and experience within SQL and Python
• Strong understanding of data governance and reporting best practices
• Strong communication skills, able to work cross-functionally and build partnerships within the business
• Organised and proactive, with a focus on process improvement
• Experience with cloud data platforms (Databricks, BigQuery etc) and other BI tools (Looker, Tableau etc) advantageous

Responsibilities

• Design, build and maintain dashboards using client customer and transactional data to provide easy-to-access insights for both internal and external stakeholders
• Collaborate with internal stakeholders to understand business questions and requirements to inform the data model and dashboard design and delivery
• Create and maintain data models and ETL processes to support scalable, reliable reporting
• Ensure standardisation of metrics and definitions for clarity across reporting
• Perform quality assurance and peer review on all BI outputs; enforce standards for code, visualisations, and documentation
• Mentor and support junior team members in BI best practices and technical excellence
• Lead and contribute to projects aimed at improving existing reporting products and BI team processes
• Drive continuous improvement, identifying opportunities for enhancement across the existing reporting suite
• Maintain clear and up-to-date documentation for all reporting assets, data sources, and processes, alongside effective version control.

Outcomes

• Dashboards and reports developed for GAIN Insights reporting suite are delivered on time and to business requirements
• All dashboards meet user satisfaction KPIs across usage and engagement
• BI outputs are efficient, documented, and regularly improved
• Strong partnerships are built within the BI team and with internal business stakeholders

What does success look like

• All reports within our standard reporting suite are accurate, consistent, and automated
• Documentation and change management protocols are maintained for all reporting solutions
• Timely delivery of new and improved BI products with tangible value for both internal and external users
• Positive feedback from internal teams on data access, usability, and support

How you\'ll work

Constant curiosity: You can think critically and understand the data, knowing where you need to take action. You\'re analytical with the ability to investigate and resolve.

Pushing boundaries: You\'ll make the most efficient use of technology, suggesting process improvements.

The power of our imagination: You\'re a problem solver who goes the extra mile. You\'ll know the best approach to take with clients to get results.

Making it happen: You\'re proactive and you know you can make a difference. You use your sound judgement when making decisions and you take responsibility for your decisions and actions.

Putting people first: You\'ll build effective relationships with people, internally and externally, understanding both business and client needs.

Benefits

Our benefits for UK employees include:

• Private Medical Insurance
• BUPA Life Assurance
• Income protection
• Employee Assistance Programme
• Cycle to Work salary sacrifice scheme
• Tech & Wearables salary sacrifice scheme
• Octopus EV Scheme
• Discounts & deals on a range of items from hotels, holidays & hormone testing to cinema, gyms & will writing

GAIN is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.