Data Analyst / Quality Analyst in London

Data Analyst / Quality Analyst in London

London Part-Time 36000 - 60000 £ / year (est.) No working from home possible
Octus

At a Glance

  • Tasks: Design and implement a data quality framework to ensure reliable datasets.
  • Company: Join Octus, a leading provider of credit intelligence and analytics.
  • Benefits: Enjoy competitive health benefits, PTO, gym subsidies, and educational reimbursements.
  • Other info: Hybrid work model with excellent career growth opportunities in a diverse workplace.
  • Why this job: Make a real impact on data integrity and drive innovation in a dynamic environment.
  • Qualifications: Strong SQL skills and experience with data quality frameworks required.

The predicted salary is between 36000 - 60000 £ per year.

Octus is a leading global provider of credit intelligence, data, and analytics. Since 2013, tens of thousands of professionals across hedge fund, investment banking, management consulting, and law firm verticals have come to rely on Octus to make better, faster, and more confident decisions in pace with the fast-moving credit markets. Our core values – Action Oriented, Customer First Mindset, Effective Team Players, and Driven to Excel – define an organizational ethos that’s as high-performing as it is human.

Among other perks, Octus employees enjoy competitive health benefits, matched 401k and pension plans, PTO, generous parental leave, gym subsidies, educational reimbursements for career development, recognition programs, pet-friendly offices (US only), and much more.

We are seeking a Data Quality Analyst to help design and implement Octus’s first standardised data quality framework, ensuring consistency, reliability, and trust across all analytical and client-facing datasets. This role is highly hands-on and sits at the intersection of data quality, data operation, and data governance. You will partner closely with the data operation team, dataset owners and engineers to define quality standards, implement automated checks, and embed data quality into our modern data stack.

This is a game-changing opportunity to seize the reins and define the future of data integrity driving how data quality is not just measured, but aggressively enforced and scaled across the entire organisation. This position is based in our London office, operating on a hybrid schedule (3 days in office per week).

Data Quality Framework & Standards

  • Design and implement a scalable data quality framework covering accuracy, completeness, timeliness, and consistency across datasets
  • Define reusable data quality patterns and testing approaches aligned with business requirements
  • Help establish prescriptive standards for data modeling, transformations, and ingestion

Automation & Testing

  • Build and maintain automated data quality checks using SQL, dbt tests, and/or similar frameworks
  • Implement business rule validations, anomaly detection, and functional data tests
  • Embed quality checks directly into transformation pipelines and CI/CD workflows
  • Partner with Dataset Owners to define dataset-specific quality expectations
  • Support adoption of data quality tooling, best practices, and documentation across teams
  • Act as a subject-matter expert for data quality within the data operations ecosystem
  • Identify, triage, and help resolve data quality issues across pipelines and downstream consumers
  • Contribute to data quality monitoring dashboards and reporting
  • Support root-cause analysis and preventative improvements
  • Document data quality standards, testing approaches, and framework usage

Strong hands-on experience with SQL. Experience working with dbt or similar transformation/testing frameworks. Experience designing or implementing data quality checks, validations, or testing frameworks. Solid understanding of modern data warehouse concepts.

Octus is committed to providing equal employment opportunities to all employees and applicants for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, pregnancy, veteran status, or any other legally protected status. We believe that diversity enriches our workplace and enhances our ability to innovate and succeed.

Data Analyst / Quality Analyst in London employer: Octus

At Octus, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation in the heart of Greater London. Our commitment to employee growth is evident through comprehensive benefits such as health coverage, pension plans, and educational reimbursements, ensuring our team members thrive both personally and professionally while working with prestigious law firms.

Octus

Contact Details:

Octus Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Data Analyst / Quality Analyst in London

Get Involved in Data Challenges

Participate in data challenges like Kaggle competitions or DrivenData to showcase your skills and network with other data enthusiasts. Not only will you build your portfolio, but you can also catch the eye of potential employers like Octus.

Connect with Local Data Communities

Join local data science meetups or online communities like Data Science Society to engage with professionals in the field. These platforms are great for networking, discovering job opportunities, and keeping your fingers on the pulse of industry trends.

Leverage Your University’s Resources

If you're still in university, make full use of your career services. They might have part-time roles tailored for students like you, and often have direct connections with companies looking to hire talented interns in data science roles.

Apply Directly Through Our Website

Don’t forget to check out our jobs at Octus and apply through our website! It’s the best way to ensure your application gets seen. Plus, we love hearing from passionate individuals like us who are eager to make an impact in the data science world.

We think you need these skills to ace Data Analyst / Quality Analyst in London

Data Quality Framework Design
SQL
dbt
Data Modelling
Data Transformation
Automated Data Quality Checks
Anomaly Detection

Some tips for your application 🫡

Show Your Data Skills:In your CV, make sure to highlight your proficiency with key data analysis tools and programming languages like Python, R, or SQL. We want to see that you've got hands-on experience with data manipulation and visualisation, so if you've worked on any relevant projects or coursework, include those details to really showcase your skills!

Tailor Your Projects Towards Data Science:When it comes to your portfolio, focus on showcasing projects that highlight your data-science abilities. Include analyses, dashboards, or any predictive models you've built. If you've contributed to Kaggle competitions or have a GitHub repository with data projects, make sure to link those—these demonstrate your practical experience and problem-solving abilities.

Express Your Motivation in the Cover Letter:Since this is a part-time role, we want to know why you're particularly interested in juggling this with your other commitments. Use your cover letter to express your passion for data science and how this role at Octus aligns with your career aspirations. Show us you're excited about learning and growing with us!

Keep It Concise Yet Informative:Part-time positions often receive many applications, so keep your documents clear and to the point! Aim for a concise CV detailing your relevant experiences without unnecessary fluff. Be sure to include your availability in your cover letter as well—that helps us in the decision-making process!

How to prepare for a job interview at Octus

Brush Up on Your Stats!

Given you're eyeing a part-time role in data science, make sure you’re on top of your statistical methods and data analysis techniques. Expect questions around regression, hypothesis testing, and maybe even some statistical programming languages like R or Python during the interview with Octus.

Show Off Your Projects!

It's crucial to have a portfolio that showcases your data science projects. Highlight your part-time work with specific data sets, models you've built, or analyses you've conducted. Having tangible examples will demonstrate your hands-on experience and problem-solving skills to Octus.

Familiarise Yourself with Tools of the Trade

Make sure you’re well-versed in data science tools like Jupyter Notebook, Tableau, or SQL. You might get technical questions or even a practical test at Octus, so having a comfort level with these tools will definitely be an advantage.

Be Ready to Discuss Real-World Applications

Since this is a part-time role, employers at Octus will likely appreciate your understanding of how data science can address actual business problems. Be prepared to discuss any relevant case studies or how you would approach specific challenges in real scenarios.