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Stephen Weldon Email & Phone Number

Senior Data Scientist
Location: Redmond, Washington, United States 6 work roles 3 schools
1 work email found @baesystems.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 86%

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Role
Senior Data Scientist
Location
Redmond, Washington, United States

Who is Stephen Weldon? Overview

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Stephen Weldon is listed as Senior Data Scientist based in Redmond, Washington, United States. AeroLeads shows a work email signal at baesystems.com and a matched LinkedIn profile for Stephen Weldon.

Stephen Weldon previously worked as Senior Data Scientist at Monetate and Senior Data Scientist at Bae Systems. Stephen Weldon holds Master Of Science - Ms, Analytics from Georgia Institute Of Technology.

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Profile bio

About Stephen Weldon

I’m a seasoned data scientist with over eight years of industry experience that's trying to overcome his imposter syndrome.I’m currently a Senior Data Scientist at Monetate, where I’m responsible for developing new algorithms and features to support Monetate's mission to enable E-Commerce customers to create personalized experiences for the users of their storefronts. I’ve been in this role for over two years now and I’ve been able to master recommendation algorithms by taking on projects like creating personalization product recommendations using collaborative and content-filtering algorithms, using AWS to create real-time data streaming recommendation systems based on multi-armed bandit systems, and designing experiments to perform A/B testing on personalized experiences to determine which is the most effective for our clients.Data Science is a field I’m very passionate about and I’m always continuing to develop my skillset and learn more about it. I recently earned my Master’s of Analytics from Georgia Tech where I dove into topics such as Regression, Forecasting, Machine Learning, Clustering Algorithms, Statistics and Simulation. Recently I’ve begun personal projects to explore Generative AI, particularly with generating advertisements and forecasting recommendations.

Listed skills include Programming, Java, Sql, C++, and 23 others.

6 roles

Stephen Weldon work experience

A career timeline built from the work history available for this profile.

Senior Data Scientist

Dallas, Texas, Us

As a Senior Data Scientist at Monetate I am responsible for developing new algorithms and features to support Monetate's mission to enable E-Commerce customers to create personalized experiences for the users of their storefronts. Those responsibilities had me performing the following tasks.Automated the delivery of relevant and personalized product recommendations to users for E-Commerce storefronts by developing recommendation systems based on collaborative-filtering and content-filtering algorithms.Designed and implemented a real-time data streaming application featuring a multi-armed bandit recommendation system, leveraging Amazon Web Services tools, including Kinesis for data streaming, Apache Spark for distributed processing, and EMR (Elastic MapReduce) for scaling and managing Spark.Implemented clustering techniques (KMeans, DBSCAN) for Customer Segmentation, which enabled E-Commerce vendors to identify user attribute trends (such as age, location), and align marketing efforts to those users’ interests.Conducted A/B/n tests to estimate which experiences for customer websites are more optimal in terms of E-Commerce related metrics such as Click Rate, Conversion Rate, Revenue Per Session, Bounce Rate and others.Applied advanced time series forecasting techniques, including ARIMA and Exponential Smoothing, to analyze historical sales data, resulting in accurate predictions and strategic insights that contributed to informed decision-making and improved business performance.Initiated and executed the design and prototyping of experiments to assess the viability and cost efficiency of new recommendation algorithm ideas.Visualized and rationalized the results of recommendation algorithms, data models and A/B/n Tests for internal and external customers using tools such as Looker, Streamlit and MatplotLib.

Oct 2021 - Oct 2024

Senior Data Scientist

London, Gb

My role as a Senior Data Scientist at BAE Systems was to develop prognostic algorithms to detect issues and optimize the maintenance and supply chain of the F-35 jet to make it more available, safer to operate, and decrease costs. In this role I performed the following tasks.Developed models to predict and classify part failures on the F-35 Fighter Jet by using Python, Scikit-Learn, regression, time series analysis, and machine learning clustering techniques (K-Means, KNN, DBSCAN).Analyzed maintenance data anomalies and collaborated with suppliers to improve part performance and reliability.Informed and impacted senior leadership decisions by rationalizing analytical models results using visualization tools such as Tableau, and the Python libraries Plotly, and Matplotlib. Forecasted the usage and consumption of aircraft parts using Time Series Models such as ARIMA and Regression Models to ensure optimal part availability and cost control.Collaborated with internal and external business partners to implement end-to-end solutions for how to detect maintenance issues, order parts for just-in-time maintenance, and optimize their supply chain.Engineered an automated method by using Python and SQL to detect frequently failing parts and recommend model development or investigative action by estimating the ROI of reducing the number of failures.Managed two junior data analysts by developing and tracking performance objectives, tasking schedules, monitoring work quality and providing mentorship in data science techniques to augment their career growth.Performed Exploratory Data Analysis and prototyped data models to estimate a model’s viability and value.Mined and cleansed signal data extracted from aircraft parts for use in the development of algorithms, models, and other data science analysis.

Aug 2018 - Nov 2021

Software Engineer

London, Gb

Analyzed aircraft part signal metric data to determine reliability metrics (MTBF, failure rates) of physical parts.Automated weekly reports and data visualizations by using Python and Plotly.Developed ETL tools for mining and cleansing data from multiple sources (Oracle Database, Excel, CSV and Text Files) by using Python and the Pandas and Numpy packages

Sep 2017 - Aug 2018

Software Developer

Boston, Ma, Us

As a Software Developer for Fidelity Investments, I made Big Data tools available for Data Scientists, enabling the use of machine learning algorithms, data streaming and other tools to power their analytics for better stock trading and research. Some of the projects, roles and responsibilities I was responsible for are the following.Developed the first fully open source application in Fidelity using Apache Kafka, MySQL, Kafka Manager, Grafana, Node.js and Ansible, enabling customers to instantly create a production ready Kafka Cluster on Openstack Cloud VMs.Created and supported a Big Data Infrastructure service using Cloudera Enterprise, allowing the use of Map Reduce, Spark, Impala and other technologies for data science and other analytic applications.Automated the testing and monitoring of Hadoop applications (Map Reduce, Impala, Spark, Hbase) and infrastructure performance by developing and using Java and Python applications.Provided Hadoop development best practices and application architecture guidance to internal engineering teams.Facilitated adoption and practice of the Scrum Agile methodology in a Devops team as Scrum Master and Developer.Managed all Scrum ceremonies processes such as: resolving impediments, shielding the team from outside interference, developing the product backlog, and facilitating continuous improvement in the Scrum team.Conducted the first Agile Release Train for the Big Data Infrastructures as the Release Train Engineer, coordinating features, deliverables and timelines among several infrastructure and development teams.Planned and coordinated Major and Minor Releases within a multi-tenant environment of 1000+ users.

Jun 2015 - Aug 2017

Software Development Intern

Boston, Ma, Us

As a Software Developer Intern for Fidelity Investments I analyzed IT incident and change data to estimate ROI of fixing and automating common IT incidents and changes.Developed a KPI tracking web application’s UI, and backend using Java, Groovy and SQL, which allows users to track and automate the reporting and alerting of KPI metrics.Created interactive data visualizations of incident data using Oracle SQL Queries to populate Tableau reports, enabling analysts to investigate incident trends without needing knowledge of the database or SQL.Mined, analyzed and presented data related to incidents, IT currency, and security violations.Earned the Certified Scrum Master certification and mentored five teams in the adoption of Agile and Scrum.Used Python to perform data cleansing and transformation on data extracted from IBM Rational Team Concert so that the cleansed data could be used to migrate the organization to JIRA for project management.

May 2014 - Jun 2015

Software Development Intern

Boston, Ma, Us

Constructed a Java testing framework using JUnit and Sonar for internal Java applications.Automated a once completely manual build testing process by using Jenkins.Advocated for and created test driven development practices in an Agile Scrum team.

May 2013 - Aug 2013
3 education records

Stephen Weldon education

Master Of Science - Ms, Analytics

Georgia Institute Of Technology

Bachelor Of Science - Bs, Computer Science

The University Of Texas At Dallas

Computer Science

Blinn College
FAQ

Frequently asked questions about Stephen Weldon

Quick answers generated from the profile data available on this page.

What is Stephen Weldon's role at their current company?

Stephen Weldon is listed as Senior Data Scientist.

What is Stephen Weldon's email address?

AeroLeads has found 1 work email signal at @baesystems.com for Stephen Weldon.

Where is Stephen Weldon based?

Stephen Weldon is based in Redmond, Washington, United States.

What companies has Stephen Weldon worked for?

Stephen Weldon has worked for Monetate, Bae Systems, and Fidelity Investments.

How can I contact Stephen Weldon?

You can use AeroLeads to view verified contact signals for Stephen Weldon, including work email, phone, and LinkedIn data when available.

What schools did Stephen Weldon attend?

Stephen Weldon holds Master Of Science - Ms, Analytics from Georgia Institute Of Technology.

What skills is Stephen Weldon known for?

Stephen Weldon is listed with skills including Programming, Java, Sql, C++, C#, Object Oriented Software, Agile Methodologies, and Atlassian Jira.

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