Principal/Staff Engineer (Data)

Principal/Staff Engineer (Data)

Full-Time Working from home possible
Arbor Education

At a Glance

  • Tasks: Lead data architecture and strategy, driving innovation in our AI and analytics capabilities.
  • Company: Join Arbor, a mission-driven tech company transforming education for happier working lives.
  • Benefits: Enjoy 32 days holiday, wellness support, flexible working, and a dedicated training budget.
  • Other info: Be part of a diverse team committed to growth and innovation in the education sector.
  • Why this job: Make a real impact in education while working with cutting-edge data technologies.
  • Qualifications: Extensive experience in data architecture and strong collaboration skills required.

Location: Remote

Salary: £100,000 - £120,000

About us

At Arbor, we’re on a mission to transform the way schools work for the better. We believe in a future of work in schools where being challenged doesn’t mean being burnt out and overworked. Where data guides progress without overwhelming staff. And where everyone working in a school is reminded why they got into education every day. Our MIS and school management tools are already making a difference in over 12,000 schools and trusts. Giving time and power back to staff, turning data into clear, actionable insights, and supporting happier working days. At the heart of our brand is a recognition that the challenges schools face today aren’t just about efficiency, outputs and productivity - but about creating happier working lives for the people who drive education every day: the staff. We want to make schools more joyful places to work, as well as learn.

About the role

As a Principal/Staff Engineer (Data) you will help drive architecture and technical strategy for our Data domain, spanning the entire journey from transactional source to analytical insight. You will evolve how data is leveraged across Arbor, delivering value that ensures our OLAP and AI capabilities provide a competitive edge and our OLTP foundations are built for scale. It’s a wide impacting and exciting role, crucial for Arbor's next stage of growth. We’re looking for candidates who are highly collaborative, energised by complex problems, and have a proactive approach. You will work collaboratively with multiple teams, Technical Leads, Product Directors, and Engineering Leadership to deliver strategic business objectives, all while reimagining ways of working to ensure we stay at the forefront of the industry’s AI evolution.

Core responsibilities

  • Define and evangelise target architectures that bridge our transactional, analytical, and AI systems, ensuring our data remains a competitive advantage.
  • Be a leader for our end-to-end data lifecycle, from OLTP schema design and migrations to OLAP governance, platform and analytics.
  • Partner with Technical Leads to provide hands‑on guidance supporting feature delivery, tech debt paydown, and architecture improvements.
  • Collaborate with Product Directors to understand product vision and translate this into deliverables, aligning commercial and engineering goals.
  • Lead our shift to an AI‑First way of working, architecting the data foundations to enable AI in our products and championing the latest approaches to help drive productivity gains.
  • Architect the future infrastructure required for LLM orchestration, Retrieval‑Augmented Generation (RAG), and real‑time model inference at scale.
  • Mentor and coach Technical Leads/Senior Engineers on architectural and engineering excellence, continually raising our bar and supporting career growth.
  • Act as a role model for technical leadership — work with pace, be pragmatic, and stay laser focused on outcomes not output.
  • Head up architectural reviews for your domain and ensure all designs meet Arbor’s quality, reliability, security and compliance standards.
  • Collaborate with Staff Engineers and Principal Engineers to shape Arbor’s broader technology strategy, working outside your domain as needed.
  • Partner with Engineering Management to help grow teams, identify and resolve systemic bottlenecks, ensuring the success of our strategic goals.

Requirements

  • Extensive experience overseeing data architecture and a track record of delivering iterative outcomes across one or more OLAP domains.
  • Strong understanding of data modelling techniques (Star, Medallion, etc) and distributed data systems within cloud‑native environments (Snowflake, etc).
  • Experience in building and leveraging unstructured data across disparate systems to enable product development.
  • Examples of communication and influencing across technical and non‑technical audiences to achieve positive outcomes.
  • An ability to support the growth of engineers and technical leads whilst still delivering value across distributed, cross‑functional teams.
  • Demonstrable experience working in an ownership culture where quality, performance, observability, and security are core responsibilities for every engineer.
  • An understanding and opinion on how AI‑first engineering will change the data ecosystem and ways of working, ideally with worked examples.
  • Examples of contributing to or leading technical communities of practice (e.g. chapters, guilds, architecture councils).
  • Practical knowledge of DataOps principles, including CI/CD for data and the orchestration of complex pipelines (e.g., AWS, Debezium, Git, Infra as Code).
  • Good commercial knowledge of data security standards, encryption at rest/transit, and relevant compliance laws.
  • Platform financial acumen - demonstrable experience of optimising SaaS platform spend, and the use of forecasting models.

Bonus Skills

  • AI/ML Engineering & MLOps, including model deployment/serving and monitoring.
  • Experience with federated learning and/or privacy‑enhancing technologies (PETs).
  • Direct experience with LLM Ops, including prompt engineering at scale, and token cost optimisation.

Benefits

  • A dedicated wellbeing team who champion initiatives such as mindfulness, lunch n learns, manager training, mental health first aid training and much more!
  • 32 days holiday (plus Bank Holidays). This is made up of 25 days annual leave plus 7 extra company wide days given over Easter, Summer & Christmas.
  • Life Assurance paid out at 3x annual salary.
  • Comprehensive wellness benefit provided by AIG Smart Health, which provides a 24/7 virtual GP service, Mental health support, Counselling, and personalised Health Checks.
  • Private Dental Insurance with Bupa.
  • Salary sacrifice Pension provided by Scottish Widows.
  • Enhanced maternity and adoption leave (20 weeks full pay) and paternity (6 weeks full pay) pay.
  • 5 free return to work maternity coaching sessions, helping you adapt to this new exciting time of life!
  • Access to services such as Calm and Bippit (financial wellbeing coaching).
  • All of our roles champion flexible working and we are happy to discuss what this means to you.
  • Social committees that plan team, office and company wide events to bring people together and celebrate success.
  • Dedicated professional development training budget (CPD courses, upskilling resources, professional memberships etc).
  • Volunteer with a charity of your choice for a day each year.
  • Dog friendly offices!

Arbor Education is an equal opportunities organisation. Our goal is for Arbor to be a workplace which represents, celebrates and supports people from all backgrounds, and which gives them the tools they need to thrive - whatever their ambitions may be so we support and promote diversity and equality, and actively encourage applications from people of all backgrounds.

We are unable to provide visa sponsorship at this time.

Principal/Staff Engineer (Data) employer: Arbor Education

At Arbor, we pride ourselves on being an exceptional employer dedicated to transforming the educational landscape while prioritising the wellbeing of our staff. Our remote work culture fosters collaboration and innovation, offering extensive benefits such as 32 days of holiday, comprehensive wellness support, and a commitment to professional development. Join us in creating happier working lives for educators, where your contributions directly impact over 12,000 schools and trusts across the UK.

Arbor Education

Contact Details:

Arbor Education Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Principal/Staff Engineer (Data)

Get Involved in Data Science Meetups

Tap into local data science meetups or workshops to connect with fellow enthusiasts and professionals. These events are goldmines for networking, and sometimes even lead directly to job openings at companies like Arbor Education!

Show Off Your Projects

Start building a public portfolio showcasing your data science projects on platforms like GitHub or personal websites. Highlight unique analyses or models you've developed. This not only demonstrates your skills but also gets your name out there for roles like Principal/Staff Engineer (Data) at Arbor Education.

Leverage Professional Networks

Join professional bodies related to data science, like the Data Science Society or similar organisations. Getting involved can lead to mentorship opportunities and insider knowledge about full-time positions at companies like Arbor Education.

Apply Directly through Our Website

When you find a suitable opening like Principal/Staff Engineer (Data) at Arbor Education, make sure to apply directly through our website. It gives you an edge and shows you're keen to join our team. Plus, who doesn’t love a direct application? It’s easier than navigating through job boards!

Some tips for your application 🫡

Show Off Your Projects:In the world of data science, your projects can speak volumes about your skills. Make sure to showcase a few key projects in your CV or portfolio, especially those that highlight your ability to work with data sets, build models, or use relevant tools like Python, R, or SQL. Don’t forget to include links to any GitHub repositories if applicable!

Quantify Your Achievements:Employers love numbers! When drafting your CV, highlight your achievements with quantifiable results. For instance, mention how your data analysis led to a certain percentage increase in efficiency or revenue at a previous job or project. These details can really make your application pop!

Craft a Tailored Cover Letter:For a full-time role at Arbor Education, your cover letter should reflect your passion for data science and your excitement about the specific projects or values of the company. Dive into why you’re a good fit, how your skills align with their needs, and any unique perspectives you can bring to the team.

Stand Out with Relevant Courses and Certifications:Although experience talks, relevant courses or certifications can be your ticket to impressing hiring managers at Arbor Education. Mention any standout courses you've completed that equipped you with essential skills, such as machine learning certifications or data visualisation courses. This shows your commitment to continuously developing your skills in the field!

How to prepare for a job interview at Arbor Education

Brush Up on Your Statistics

For a data science role, we need to seriously sharpen our statistics skills. Get ready to tackle technical questions on probability distributions, hypothesis testing, and regression analysis. These are often the bread and butter of data science interviews, so don't just skim over them!

Showcase Your Projects

Prepare a killer portfolio showcasing your data science projects. We should include details about the datasets used, the tools and techniques applied, and the impact of your findings. If we can walk them through a particularly challenging project or a cool visualisation that had real-world implications, it’ll really make us stand out!

Get Comfortable with Python and R

Most data science positions require us to be proficient in programming languages like Python and R. We should practice common libraries like pandas, NumPy, and scikit-learn, and be ready for live coding exercises or algorithm questions. Showing off our coding chops can really impress the interviewers at Arbor Education!

Prepare for Case Studies

Expect to encounter real-world case studies during the interview. We might be asked how we’d approach a data problem or analyse a dataset to extract insights. It's essential to think out loud and demonstrate our problem-solving process so that the interviewer can see our logical thinking in action.