Joseph Sim Email & Phone Number

London, Gb

London Area, United Kingdom

As a Data Engineer at IO Sphere, I design, develop, and optimise data pipelines that drive analytics and support business intelligence initiatives. Using technologies like SQL, Python, DBT, and Power BI, I ensure data integrity, scalability, and seamless access to high-quality data across the organisation.Key highlights:Designed and automated data pipelines using SQL, DBT, Astronomer, and Airflow, improving data flow and removing 9 million rows of redundant information.Developed data models based on key KPIs, deploying optimised data into a centralised warehouse for easy access by the analysis team.Created interactive Power BI dashboards, analysing 500+ million rows of data to deliver critical insights to executives, driving data-driven decision-making.Collaborated with cross-functional teams to align data solutions with business objectives, leveraging Python for data processing and automation to enhance analytical capabilities.

As a Maths Teacher at Alexandra Park School, I played a pivotal role in improving student performance and fostering educator development. In addition to teaching, I held leadership positions, where I coordinated curriculum strategies, led large teams of educators, and promoted professional growth through coaching and collaborative training sessions.I improved GCSE Grade 4-9 mock results by 15% through ability-based group restructuring, targeted interventions, and the development of high-quality revision resources. Additionally, I consistently achieved the highest number of A* grades in A-level mathematics among my peers for three consecutive years in a school known for its academic excellence.As Key Stage 3 and 4 Coordinator, I oversaw curriculum planning, conducted lesson observations, provided constructive feedback, and analyzed large data sets to monitor and track pupil performance across various classes and ability levels. I also resolved conflicts and facilitated team collaboration through regular meetings and training sessions.Beyond the classroom, I ran extracurricular clubs, organized school trips, conducted risk assessments, and managed large groups of pupils and staff. As a line manager and mentor, I supported junior and trainee maths teachers by offering guidance, observing lessons, and providing feedback on teaching strategies and lesson planning.

Bootcamp, Data Science With Python

- Delivered actionable insights by mastering data analysis techniques using Python, including data manipulation with Pandas and NumPy..

Bachelor Of Science - Bs, Mathematics, First Class Degree