Kenneth Hoffmann Email & Phone Number

Melrose, Ma, Us

Melrose, Ma, Us

Boston, Ma, Us

Boston, Ma, Us

Fast-paced software development in a Flask/Python dev environment, straddling software design, engineering, DevOps, and client-facing interactions.- Worked with Product and Growth departments to transform client requirements into actionable technical requirements, engineer solutions, and present to clients in a customer-facing role.- Developed an AWS-hosted infrastructure stack with the Amazon Cloud Development Kit (CDK) spanning multiple AWS services to streamline infrastructure deploys, make improvements easier, host code, and build an easily replicable environment.- Improved the internal developer experience by implementing code structure standards, code linting, documentation requirements, error tracking, and pushing for and tracking the addressing of technical debt.- Played a key role in designing and building a distributed system with terabytes of data moving between DocumentDB, Postgres, Opensearch, asynchronous processing, and ML models across gRPC. - Implemented internal tracking of interactions between parts of the system to provide actionable data for the Data Science department to improve models.- Promoted to Technical Lead in October 2024.

Remote, Oo

Staff engineer on the multi-national team in charge of supporting Wonolo's job-seeker facing iOS and Android apps, writing and supporting their Ruby on Rails server backend.- Analyzed areas of tech debt to be addressed in future sprints, prioritizing areas relied upon by our client app such as error handling.- Spearheaded rewriting a key, but slow and complex API endpoint, dramatically improving its response time and test coverage.- Member of the top-level committee to guide the code architecture and policy direction of the company's backend monolith. Advocated for iterative codebase and policy improvements as well as lightweight changes such as Architectural Decision Records.- Perform code reviews to elevate the standard of the company's code and provided support for fellow engineers.- Worked with Product and Design departments to refine product requirements and design mock-ups against the code's capabilities and data availability, suggesting alternative paths.- Tackled complex projects such as an overhaul of the user-facing payments interface and a new API integration with a finance vendor, while working closely with mobile engineers on API contracts.

Arlington, Massachusetts, Us

Worked on the full scope of Noteflight's software stack, from the JavaScript-powered notation editor to the Rails-powered backend, while also operating as a DevOps engineer to maintain the company's AWS-powered systems.- Identified and pushed to address tech debt across the stack while expanding test coverage, enacting code standards, and bringing legacy software up to date.- Coded new features solo or working with other engineers and conducted code reviews to enforce standards and improve code quality.- Optimized developer workflows such as test and deployment builds through AWS CodePipeline.- Stood up a new Kibana instance to better track site performance and errors.- Worked with product and management to prioritize the product backlog and tech debt items while hitting product deadlines.

Arlington, Massachusetts, Us

Worked on the full scope of Noteflight's software stack, from the JavaScript-powered notation editor to the Rails-powered backend. Heavy involvement with AWS technologies such as EC2, S3, ElastiCache, Elastic Beanstalk, CodePipeline, and Elasticsearch. - Pushed to expand test coverage and reliability of the code stack, as well as the adoption of code standards and linters.- Mentored junior engineers through pair programming and code reviews.- Tackled diverse issues such as billing integration with Recurly, asynchronous job execution, front-end development with Knockout and React, external user authorization providers, new notation editor features, and ElasticSearch rollout. - Created a highly reliable commerce solution from the ground up with Ruby & Stripe to handle the purchasing of musical scores, transfers of payments to copyright holders, and scheduled payouts to sellers. The system ultimately handled hundreds of thousands of dollars.

Norwalk, Connecticut, Us

Fast-paced software development in an Agile environment with Ruby on Rails, backed by PostgreSQL, Redis, Cassandra, and Amazon S3 with petabytes of data, and running on Amazon’s EC2 servers. - Architected and authored major features such as Salesforce backup.- Worked across teams to deliver complex products while maintaining high reliability and expanding test coverage.- Mentored junior engineers through pair programming and Github code reviews.- Wrote specifications and research documents for upcoming projects, working with product staff to ensure that delivered features met specifications.Promoted from Software Engineer to Senior Software Engineer in May 2015.

Boston, Ma, Us

Fast-paced software development in an Agile environment with Ruby on Rails, backed by PostgreSQL, Redis, Cassandra, and Amazon S3 with petabytes of data, and running on Amazon’s EC2 servers. - Delivered new features in a variety of areas such as user permissions management, search, multi-region S3 support, data backup, integration with Google APIs, and data restoration. - Maintained the existing code base through JIRA ticket response and on-call triage rotations. - Wrote automated unit, functional, and integration tests to expand test coverage and enhance the reliability of the product.- Operated in a collaborative, team-based environment through daily stand-ups and frequent reviewing of Github pull requests.Backupify was acquired by Datto, Inc. in December 2014.

Cambridge, Massachusetts, Us

Python/Django web development in a Linux and MySQL environment, supporting the operations of CustomMade.com, an e-commerce website specializing in custom furniture, jewelry, and apparel. - Migrated the search system from Solr to ElasticSearch and wrote an algorithm for influencing site search results.- Participated in daily standups and project planning.- Authored an system for handling billing through Authorize.NET and local account management to improve billing clarity and reliability.- Aggressively expanded test coverage of the codebase.

Cambridge, Massachusetts, Us

Python/Django web development in a Linux and MySQL environment, supporting the operations of CustomMade.com, an e-commerce website specializing in custom furniture, jewelry, and apparel. - Wrote new code and maintained original code while using open source libraries/utilities such as South and Redis and external APIs such as Authorize.NET, Paypal, EmailDirect, SendGrid, Twilio, and Mailgun. - Worked on all aspects of the site including content, search (Solr, ElasticSearch & Django Haystack), tagging, billing & invoicing, email delivery, lead generation and tracking, and site performance.

Richmond, Va, Us

Primary author and architect of a new full-featured Django-based CMS for news media websites. System entailed the handling of articles, media, page management and layout, user management, blogs, user-generated content, topic/tag generation, forms and survey generation, API interaction with remote systems such as Facebook and Twitter, and posting via mobile devices, amongst other features. High-performance hardware setup entailed multiple application and PostgreSQL servers, Limelight and Akamai CDN fronting, and memcache.- Oversaw the continuing development of the system as well as its deployment across the company, encompassing training, documentation, and communication between headquarters and field locations, in addition to programming and architecture duties.

Richmond, Va, Us

Developed and maintained 30+ broadcast and publishing web sites in the ExpressionEngine platform (PHP), based on Yahoo!'s news taxonomy and using enterprise-wide standards. Built the front-end for all sites with HTML, CSS, and jQuery to conform with new corporate template layout.- Responsible for CMS integration with vendors such as Newsgator, Mochila, and the Associated Press. Aided in Media General's implementation of Yahoo's Newspaper Consortium's technical aspects to enhance advertising revenue.- In January 2009, switched to primarily Python and Django-based work on a PostgreSQL backend. Co-authored new high-performance and scalable content management system for news and media sites based on Django 1.1 and began rolling it out across the company.

Richmond, Va, Us

Provided accountable technical support for 30+ company web sites on 4 different content management platforms. Troubleshot everything from HTML and CSS issues to company ColdFusion and MySQL applications.

Worked in Linux/Apache/MySQL/PHP environment on the company's local business directory website. Special focus on troubleshooting MySQL bottlenecks and increasing site performance. Integration with Asterisk phone systems.

New York, Ny, Us

Supported MacOS X/MacOS X Server desktop environment for an office of 7-10 people, working underneath an IT Director. Supported PHP/MySQL website backend. Responsible for technical support and maintenance, along with batch processing of images for upload into website database.

B.A., Music

High School