Stephen Ohimor Email & Phone Number

Washington, Dc, Us

Maryland, United States

Remote

Rockville, Md

Mangrove Solutions is a technical consulting and software development company.

Remote

Worked directly with Head of Engineering on key metrics and deliverablesResponsibilities included all backend architectural decisions involving cutting edge technologies ex. GraphQL (Apollo), Typescript/Nodejs, Asynchronous framework/architecture, third party integrationsStandardized application structure and created project templates to decrease time to develop new microservices from days to minutesLeveraged AWS Cloudformation to deploy Limelight Marketplace (prisma, graphql, Nodejs, Typescript, ECShttps://www.mylimelight.com/

Washington Dc-Baltimore Area

Lead Engineer for crawling infrastructure(https://apps.shopify.com/decile-app) Designed and implemented Decile public Shopify Application to increase customer acquisition/Lead integration engineer with a heavy focus on Shopify clients Increased accuracy for customer revenue, Customer Acquisition Costs (CAC) and Life-Time Value predictions (LTV).Designed/Developed Shopify Product crawl for predictive models based on product variantData Engineer for the Audience Intelligence Platform crawling infrastructureSC Coder of the month (Nov) for delivery of critical servicesOptimized crawling infrastructure bandwidth from a few hundred thousand records to 3.5+ million records per 24 hours (8x improvement) to satisfy demand from our largest clientsStandardized all new microservices projects decreasing time to production from 2 weeks to less than 1 hour: (https://www.youtube.com/watch?v=O2OxF2U1OO8&ab_channel=StephenOhimor)Designed/Develop new pipeline with Kinesis Data Firehose, Apache Airflow, S3 Implemented OAuth 2.0 for Shopify Integration resulting in increased onboarding efficiency for 35%+ of brands. Converted Looker Reporting Service Integration application from monolith to microservice and upgraded application from python 2.7 to python 3.5 and upgraded API to Django 2.0+. Upgraded Automated Looker Report Setup saving 4+ hours per new brand. Deprecated SocialCode’s most expensive application to reduce technology budgetStandardize python project structure across the organization which has saved over 200 hours of development time. Implemented a lambda based solution (Excelifier, similar to Shopify’s excelifier) to automate the aggregation of Looker reports into a unified Excel workbook resulting in an increase in Ad Manager efficiency. Produced extensive deprecation ADR to facilitate the process of shutting down the Facebook Ads Service saving thousands of dollars per month.

Washington Dc-Baltimore Area

Washington D.C. Metro Area

Rockville, Md

Software Engineer/System Architect with a focus on System to System integration, developed a microservice dedicated to auditing system events. Created an event driven framework and client services to facilitate communication between applications. Secured inter application communication. Design and development of domain model. Spearheaded collaboration between teams. Developed event driven email notifications. Provided inter-team support to resolve continuous integration issues. Supported external teams in efforts to establish higher environments.

Washington D.C. Metro Area

CrowdTrust is an information verification service for crowd-funding platforms. We provide due diligence checks on crowd-funding issuers in the securities, donation, and rewards based crowd-funding markets.Provided technical specification, design and development of the CrowdTrust Bad Actor Check API. Developed ETL process necessary to create an AWS cloud search database containing relevant records. Developed business process to aggregate legal orders at the Federal and State level to create the first Bad Actor Check Database. More information can be found at https://www.crowdtrust.comTechnologies: Amazon Web Services, S3, EC2, IAM, RDS, Cloud Search, Route53, Elastic Beanstalk. JAVA, JAX-RS, Tomcat, JavaScript, Backbone, AngularJS, CSS, LESS, Photoshop, JAX-WS (SOAP), JSON, XML, Spring, MySQL.

1515 N. Courthouse Ave, Arlington Va

Project:Rapid Learning System (RLS)Client: American Society of Clinical Oncology (ASCO)Solution: Developed a prototype for a Cancer oriented Rapid Learning System.Technologies: JAVA, MAVEN, JBOSS, Spring, JSON, JavaScript, CouchDB, MySQL, Service Bus, XML, HibernateRole: Software Engineer, architectural design and implementation of Clinician Decision Support (CDS) component and a custom Rapid Learning System Module (OpenMRS). The CDS was integrated into a customized version of the OpenMRS web application. CDS panel leverages Spring web services by iteratively polling for incoming recommendations via a Drools engine. Created (JAVA) services for custom data transformation, standardization and normalization leveraging (GSON, JAXB). Developed a rls-cli (command line interface) to facilitate complex build processes and speed up deployments (PowerShell). Other duties included DB Scripting, CouchDB Map/Reduce functionality, CSS/HTML development for CDS Panel and couch Application. Custom Module integration, JBOSS, Mirth Connect, CouchDB, MySQL server installations/configurations. Provided test cases for user scenarios and extensive documentation.

1515 N. Courthouse Ave, Arlington Va

Project: Bureau of Clinician Recruitment and Services (BCRS) Program Portal Client: Health Resources and Service AdministrationSolution: Developed a multifaceted custom portal system for end to end management of Loan/Scholarship applicantsTechnologies: JBOSS, SEAM, Apache solr, geocoding, MAVEN, MSSQL, Hibernate, Hudson, SVN, AJAX, XHTMLRole: Software Engineer, Release Coordinator, SEAM/JSF SME. Technical design and implementation of HRSA Program Portal. Sole developer for the Student to Service Loan Repayment Program, Spearheaded development for the Nursing Scholarship Program and Nursing Education Loan Repayment Program. Cross project resource for all online application sub projects, Review/Reward. Decreased online application development time by 65% producing a bug free implementation. Facilitated onboarding for new technical resources to facilitate team growth.

Suite 400 3 Skyline Place Falls Church, Va

Project: National Seizure System Web ServicesClient: El Paso Intelligence Center (E.P.I.C./Department of Defense)Solution: Designed/Implemented comprehensive National Information Exchange Model based (SOAP) web service utilized for information sharing. Technologies: XML, SOAP, Restlet framework, Axis web services, JaxB, XFire, SpringRole: Technical Lead, Responsibilities included monthly progress reports with PMO. Project planning and resource allocation. Technical architecture and documentation. Domain mapping and transformations. Schema design and development. Rapid prototyping. Extract, Transform and load (ETL) services. Developed Information Exchange Package Documentation (IEPD).

Project: National Seizure System (NSS), NSS Deduplication EffortClient: El Paso Intelligence Center (E.P.I.C./Department of Defense)Solution: Additional features, bug/data fixes.Technologies: Spring, Hibernate, JSF (1.2), JavaScript, Oracle 10Role: Software engineer, Refactored domain model to reduce code development,identified logic errors causing data integrity issues, business logic improvements, rapid turnaround, testing and deployment. Created a record de-deduplication component with google web toolkit (GWT) as a solution for data integrity issues. Users could visually compare/merge sensitive data via drag and drop interface. Project: EPIC Law Enforcement Information Search and Analysis (E.L.I.S.A.)Client: E.P.I.C.Solution: Develop a comprehensive federated searching system supporting up to nine datasourcesTechnologies: Metamatrix (now RedHat Data Services Platform), Virtual Database, PL/SQL, HibernateRole: Software Engineer, responsible for system wide upgrade of Metamatrix Software and implementation of custom SQL translators/wrappers/connectors. Extensive SQL optimization, examination of query plan, domain refactoring. User Interface streamlining effort involved adding ajax support to JSF 1.2 (not supported at time of implementation). Produced/Presented Preliminary/Confirmed design review to PMO/client.

45300 Catalina Court #101, Dulles, Va

Project: Integrated Reporting Information System (I.R.I.S), Morning Brief (prototype)Client: Federal Aviation Administration (F.A.A)Solution: provide a scalable web based system in support of post operational analysis and evaluation of the National Airspace System (NAS)Technologies: proprietary AJAX framework, proprietary geographical map, JSF 1.1, JavaScript, EJB 3.0, Toplink, Oracle database, Oracle application server, Toplink (ORM) Role: Software Engineer, responsible for user experience and web application design. JSF forms, custom table component with integrated color picker to highlight plane icons, custom validation, domain model and middle layer business logic. Application reports for web based research.

Prototype Design of Small Aircraft Transportation project (JAVA/JS/JSP)Redesigned Company website (PHP based) consisted of dynamic drop down menus, forms etc.Designed Print work for company capabilities used in client meetingsPortal development (BEA): customized portlets, crawlers for remote servers*Part-time/Full-time employment while working towards Computer Science Degree at University of Maryland at College Park.