Keith Combs Email & Phone Number

Oakland, California, Us

• Manage Financial Data Services engineers on two teams responsible for developing Reconciliation service deployed as Java AWS Lambda functions consuming data from SQS, AWS Batch services, API and a React/GraphQL front end. Data stored in MySQL. Services provisioned via Terraform driven by Drone job. Stores and reconciles over 10 million transactions per day and designed to scale well over 100 million. Saves company millions per year that was previously written off. • Built team from five to fourteen over 3 years, with no attrition in 2022. Mix of local and remote staff with both developers and QA testers. • Scrum Master for main FDS team. Trained team on Agile/Scrum, including training four engineers as Scrum Masters, helping them advance their careers by gaining leadership experience. • Ensured quality by reviewing teams code, designs and technical decisions. Champion and coach best practices such as TDD, pair programming. Oversee production deployment and monitoring, manage on call rotations and manage production incidents.• Drive reduction of technical debt and operational inefficiency by prioritizing technical stories in cooperation with product owners. • Slashed operational cost of service by 50% by reducing DB and DataDog usage and migrating from RDS to Aurora saving over half a million dollars annualized.• Coach engineers on building their careers via regular one on ones, goal setting, have been able to promote half the team. Conduct bi-annual performance reviews, give feedback on performance regularly. https://www.marqeta.com/

Walnut Creek, California, Us

Software Engineering Manager• Managed the Check Payout microservice project team for a new customer to allow payments to unassociated property managers via printed paper checks which opened up a new business opportunity for Yapstone by allowing renters to initiate online payments.• Managed and led team that created integration with Local Payment Method gateway PPRO to facilitate payments using Sofort, Alipay, iDEAL, and many others. Designed API and Java microservice system architecture.• Managed and led project team to create Marketplace API platform in Java and SpringBoot, with Hibernate and PostGreSQL DB for new marketplace partner integrations. Designed object model, DB schema, system architecture.• Reviewed all pull requests to production branch and building final production deployment artifacts using GIT and Jenkins to ensure standards were followed and quality was maintained.• Set goals for team and performed annual performance reviews. Had regular 1x1 meetings with team to guide, coach and give feedback.• Managed On Call rotation for entire engineering organization. Sr. Software Engineer (2014 – 2016)• Lead small team in creating new application to provide modern REST API façade layer to legacy application. Selected technologies, created pilot implementation, API design, DB schema design using Spring HATEOS, Spring Data, JPA/Hibernate 4, Spring 4, Spring Security, Java 8, Tomcat 8. • REST API design and development for electronic payments.• Payment processing partner integration.

Gaithersburg, Md, Us

• Agile Methodologist/Coach during an enterprise wide phased Scrum rollout started in 2011. Trained individual teams in Scrum process, Agile values and practices, and coached teams through first several sprints with follow up as needed. Developed and executed custom training programs for teams and a separate session specifically for Scrum Masters and Product Owners.• Trained remaining teams and team leads. Continue to coach teams as needed. Documented and conducted training on responsibilities of Scrum Masters and Product Owners to improve process implementation and consistency. Initiated recurring agile maturity checkpoint meeting to drive process improvement among teams that had largely stagnated with the result of significant progress on some long standing issues such as automated testing. Gathered and reported metrics on team progress on a quarterly basis.• Planned and lead quarterly, cross functional release planning process with all product development teams and adjacent organizations, loosely following the Scaled Agile Framework. Coordinated with 40+ development teams spread over 4 countries. • Co-presenter at Agile 2012, “Release Planning on a Budget”Lead Software Engineer• Lead Software Engineer on multi-tenant, SaaS, Catalogue data synch product. Designed and developed new modules end to end using JSF, Hibernate, Spring and Seam. Maintained and enhanced existing modules including X-Fire web services.• Enhanced and maintained Swing/Web Start based desktop widget java client application for querying the Catalogue.• Created Maven builds for several products to facilitate CI and automated testing.

Gaithersburg, Md, Us

• Lead engineer on team that re-architected Catalog data synchronization product that improved performance 60X while reducing system resource usage at the same time, lowering operating costs by changing from PL/SQL based system to Spring/Hibernate. Redesigned core DB schema. Built high speed data migration utility for moving data from older mainframe application to Oracle.• Developed middleware and UI components of a Managed File Transfer application using GWT, Hibernate, Spring, and JMS.• Developed presales demo modules of Visibility application using Flex, Granite DS with a Java Hibernate middleware, and Oracle DB.• Co-designed and developed custom portfolio management and release planning application using JavaFX 1.x. • Co-designed and developed Image Exchange media client for Catalogue application, a desktop Swing Java application and Applet to view and maintain customer image databases.• Developed UI and middleware components of a proprietary ROLAP system based on Oracle for Score Carding and multi-dimensional data analysis. Developed screen for proprietary XSLT/JavaScript based UI.• Designed and developed media web service API for Catalogue data sync application.• Scrum Master for 5 development teams at separate times over several years.

Us

Client/Server and web application development in Inventory Managment, Replenishment, Sales Analysis, Master Data Management, Logistics, Image media.