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With over six years of experience in data science and engineering, I am passionate about creating data-driven solutions that improve the quality and accessibility of mental health care. As a Senior Data Scientist at Modern Health, I build full stack applications, services, and APIs that leverage large language models, GraphQL, Django, and AWS to enhance the user experience, optimize the provider network, and reduce the cost of care.I also enjoy mentoring and coaching aspiring engineers and data scientists, sharing my knowledge and skills in API development, data processing, machine learning, natural language processing, and cloud computing. I am always open to connect with early stage startups and new teams that are looking for data technologists who can solve complex problems, handle ambiguity, move fast, and deliver end-to-end solutions.
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Staff Software EngineerCruxSan Francisco, Ca, Us -
Python Tutor - Fintech And Data ScienceTrilogy Education Apr 2021 - Sep 2021Lanham, Maryland, UsPerform live coding demonstrations, reviewing class material, including: API’s, Data Processing, Exploratory Analysis, Machine Learning, NLP, AWS, Algorithmic Trading, Blockchain, and Decentralized Applications. -
Data Engineer - Environmental Assurance And ProtectionAmazon Aug 2019 - Oct 2020Seattle, Wa, UsSee several major global environmental technical projects through from problem statement and requirement gathering to launch. BRD writing, stakeholder management, contractor team management, timeline and scope management. IoT-, software-, analytics-, and data engineering-related projects, including a global waste management solution with a technical budget of 1.2M, a novel automated hardware-based weather monitoring solution for regulatory compliance, and a donations management tool that decreased waste disposal costs by an estimated 50M a year. Manage two internal AWS Proserve consultants and several project-based consultant teams. Technologies used: AWS, Redshift, S3, Lambda, Quicksight, Python, Athena, AWS IoT -
Software Engineer - Machine Learning And Discovery AlgorithmsUdemy May 2018 - Apr 2019San Francisco, Ca, UsBuilt matrix factorization-based recommendation model with implicit feedback, created pipelines, solved scaling problems, worked across services and data stores, created tooling, and wrote documentation for data scientists. Optimized collaborative and query-based models; reduced runtime by 67% and decreased memory and space usage. Technologies used: Python, Scala, Java, Hive, Hadoop, Elasticsearch, MySQL, Redis, Redshift, S3, SparkML, Pandas, scikit-learn, Jupyter Notebook, Pinball, Superset. -
Software Engineer - Data InfrastructureUdemy Dec 2017 - May 2018San Francisco, Ca, UsDesigned and built predictive fraud detection models and analytical dashboards. Created tooling for connecting Hadoop and Elasticsearch data stores. Technologies used: Python, Hive, Elasticsearch, Hadoop, MySQL, Redshift, S3, Pinball, Chartio.
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Android Developer - PaymentsAirbnb Jul 2017 - Dec 2017San Francisco, Ca, UsWorked with team to build split payments feature, enabling payment in installments, increasing conversion; integrated multiple payment platforms. Technologies used: Java, Ruby, MySQL, Android SDK. -
Data Engineer - Data Products And InfrastructureAirbnb Apr 2016 - Jul 2017San Francisco, Ca, UsCreated operators and hooks for interacting with internal and external data sources. Designed core and aggregate data sources. Developed data infrastructure for ETL pipelines. Closely collaborated with data scientists to build Airflow DAGs, pipelines, and dashboards. Collaborated within and across teams to understand use cases, gather requirements, develop solutions, manage scope, and communicate with external parties and stakeholders. Taught non-technical analysts programming and tooling. Developed abstract classes so analysts could create workflows independently. Technologies used: Python, Ruby, Hive, Hadoop, MySQL, S3, Pandas, scikit-learn, Jupyter Notebook, Airflow, Superset.
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Expert In Residence - Data ScienceGeneral Assembly Apr 2016 - Jun 2016New York, Ny, UsCoached students in best practices for data science exploration, analysis, and application. Created homework and assessed student performance on homework and in-class lab work. Technologies used: Python, Pandas, SciPy, scikit-learn, numpy, OpenCV, pybrain, Jupyter Notebook. -
Software Engineer - Data InfrastructureUdemy Mar 2015 - Apr 2016San Francisco, Ca, UsData infrastructure development, including ETL pipelines, batch processing, and map reduce. I collaborate closely with the data science team to build models and analytics tools. I built a multidimensional data cube tool that is self-adjusting. I developed a configurable pipeline for modeling. I designed classes, connectors, and workflows to improve search and recommendation engines. I built a scoring api to extract features from search queries and calculate scores to rerank search results. In addition to infrastructure, I taught non-technical analysts programming and developed abstracted classes so that they could create workflows independently without much code. I also led the migration to Github from local drive storage for analysts so that they could have greater source control and the ability to review each other's work. Some analysts that I taught Python to were promoted to data scientists. Technologies used: Python, Hive, Hadoop, MySQL, Redshift, S3, Pinball, Chartio, Tableau.
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Software Engineering FellowHackbright Academy Sep 2014 - Dec 2014San Francisco, Ca, UsHackbright is an intensive, highly competitive (10% acceptance rate), 10-week software engineering fellowship. The curriculum covers computer science fundamentals, algorithms, object-oriented programming, and best design practices. Through pair programming exercises and group and individual projects, I gained proficiency in Python, SQlite, JavaScript, AngularJS, HTML, and CSS. -
Digital ArtistMetaphor Formation Jun 2014 - Nov 2014Create novel visualizations to assist in metaphor formation.http://cargocollective.com/metaphor_formation/
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Marketing SpecialistTurner Construction Company Nov 2013 - Feb 2014New York, Ny, UsWrote logistics plan for major construction bid from interview notes; created new project visual communications template; taught staff technical writing and revision strategies -
Marketing And Communications SpecialistShks Architects May 2013 - Nov 2013Strategize and implement plans for growth; write and edit technical and creative copy for publication; create dynamic graphic standards; maintain website; and grow online presence through social media platforms
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Technical Editor And Project AssistantAnchor Qea Jun 2012 - May 2013Seattle, Washington, UsEdited technical documents and presentations; edited marketing materials and collateral; led redevelopment and co-wrote new-hire training document; provided graphic support; trained staff on WebEx -
Partner Contact Center RepresentativeStarbucks Oct 2011 - Jun 2012Seattle, Wa, UsProvided human resource support and reporting -
ConsultantSlalom Consulting/Xversity Oct 2011 - Apr 2012Seattle, Wa, UsProvided client experience management through sales and marketing -
RangerUnited States Forest Service Apr 2011 - Sep 2011Washington, Dc, UsWrote and delivered interpretive ranger talks on biologic and geologic processes -
English TeacherFranklin Pierce School District Sep 2009 - Jun 2010UsCreated curriculum and led instruction for AP Language and Composition -
English TeacherFederal Way Public Schools Sep 2008 - Jun 2009UsFounded Todd Beamer High School Community Garden, built with donated materials and volunteer time
Mars Williams Skills
Mars Williams Education Details
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Western Washington UniversityPhilosophy -
General AssemblyData Science
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Hackbright AcademyComputer Software Engineering
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University Of Illinois Urbana-ChampaignEnvironmental Science / Policy
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Western Washington UniversityEnglish Literature
Frequently Asked Questions about Mars Williams
What company does Mars Williams work for?
Mars Williams works for Crux
What is Mars Williams's role at the current company?
Mars Williams's current role is Staff Software Engineer.
What is Mars Williams's email address?
Mars Williams's email address is ma****@****any.net
What is Mars Williams's direct phone number?
Mars Williams's direct phone number is +141580*****
What schools did Mars Williams attend?
Mars Williams attended Western Washington University, General Assembly, Hackbright Academy, University Of Illinois Urbana-Champaign, Western Washington University.
What are some of Mars Williams's interests?
Mars Williams has interest in Economic Empowerment, Civil Rights And Social Action, Education, Environment, Science And Technology, Animal Welfare, Arts And Culture, Health.
What skills is Mars Williams known for?
Mars Williams has skills like Python, Sql, Machine Learning, Hadoop, Public Speaking, Teaching, Coaching, Research, Instructional Design, Android, Data Engineering, Java.
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