# Andrew Koines Jr > Senior Software Engineer, Senior Back-End Engineer | Python, GraphQL, React, JavaScript, Django, Ruby | Aspiring Mountaineer Location: Denver Metropolitan Area, United States Profile: https://flows.cv/andrewkoinesjr When I’m not delivering category-defining software products I’m probably hiking or skiing in Colorado’s high peaks. Over the past 10+ years I’ve designed and engineered a variety of web applications and software solutions, delivering products and services for companies in the education, health care, and clean energy industries. I enjoy thinking in systems, working with my teams to ensure we are moving both efficiently and intentionally. I contribute as both an individual contributor and technical leader, collaborating with product and operational teams to set direction, planning and delivering technical solutions with an eye toward continuous improvement in operational and technical systems and product outcomes. I’m experienced in application development across the full-stack, working with ReactJS and other frameworks in the front-end, Python, Ruby, and JavaScript in the back-end, develop APIs (GraphQL), work with database technologies such as PostgreSQL and MongoDB, utilize LLMs and AI technology where appropriate, contribute to CI systems, containerization, infrastructure, deployments, performance optimization, observability, monitoring, and analytics. ACCOMPLISHMENTS * At Wellthy, I developed systems and features including with Generative AI to improve our employees' ability to efficiently support our members in their caregiving journeys. * At Cerego, I developed infrastructure to support the ML platform and recommendation engine used to power a research-backed learning platform to improve knowledge retention. * At OhmConnect, we developed systems allowing our customers to save money on their energy bills while reducing strain on the California electric grid during times of peak load. * At Stride Health, I built systems to automate health insurance enrollment on behalf of our customers in partnership with Healthcare.gov and leading insurance carriers. Don't hesitate to reach out via email at akoinesjr@gmail.com ## Work Experience ### Senior Software Engineer, Technical Lead - Python, Django, GraphQL, ReactJS, Generative AI @ Wellthy Jan 2022 – Present * Led initiative to modernize authorization systems, applying RBAC to streamline user permissions management with Python, Django, GraphQL, PostgreSQL, JavaScript, and React, eliminating 10% of work spent managing access control in code. * Led Care Team Experience squad of 6 (engineers, product managers, designers), managing agile ceremonies, and collaborating with Product team to deliver 20+ projects and resolve over 1000 issues. * Engineered product’s first Gen AI features with OpenAI API, Python, Django, and GraphQL, allowing Care Team to reduce time spent writing messages by 10 - 15% and improving consistency through agentic assistance. * Collaborated with product and ops teams to define requirements to support Care Team workflows including task management and notifications, reducing hours spent per project by 30% while maintaining NPS of 80+. * Provided guidance and mentorship to 6+ engineers from junior to staff level in areas such as integrating AI/LLM tooling (Claude, Cursor) and coding agents into development workflows. ### Senior Back-End Engineer - Python, Django, GraphQL, ReactJS @ Wellthy Jan 2020 – Jan 2022 * Built data models (Python, Django) and GraphQL APIs to collect care data from customers used in 50K+ tasks, to reduce time spent per task by 20%, generate $1+ million in annual savings, and deliver solutions 20% faster. * Led development of 20+ GraphQL API types and Django models in support of Wellthy’s Concierge and Backup Care products using Python and Graphene, enabling creation of multiple front ends. * Collaborated with Care Network team to develop new Care Network MongoDB database integrated with core Python backend and JavaScript frontend services, supporting growth to 500K+ vendors used by 20K members. * Led collaboration with consultancy to build modern data stack linking PostgreSQL DB and other data sources to Snowflake data warehouse using dbt and ETL, optimizing report generation process for leadership by 2X. ### Software Engineer - React, TypeScript, Ruby on Rails, AWS @ Cerego Jan 2019 – Jan 2020 | San Francisco Bay Area * Built and deployed AWS Lambda infrastructure and APIs in GraphQL and Ruby on Rails to support data science team’s development of ‘Smart Learn’ recommendation engine and NLP models, serving 1M+ questions. * Migrated core edtech learning platform from JavaScript and AngularJS to React with TypeScript, creating new features and reusable components such as questionnaire modules with page load times reduced by 30 - 40%. * Collaborated with marketing team to facilitate changes to sign-up flows, APIs, and data collection utilizing TypeScript and React, improving conversation rates by 20%. ### Software Engineer - Python, Flask, JavaScript, VueJS @ OhmConnect Jan 2018 – Jan 2019 | San Francisco, CA * Engineered Python Flask API integration with Google Nest and Shopify to handle order fulfillment for thousands of customers, driving engagement with our core product offering. * Created improved version of our sign-up flow using JavaScript and VueJS, improving conversion rate by 25%. * Implemented alerting, monitoring, analytics and visualizations of key metrics using SQL and Periscope Data. ### Data Engineer - Python, MongoDB, PostgreSQL, AWS, Selenium, Docker @ Stride Health Jan 2015 – Jan 2017 | San Francisco, CA * Engineered task execution engine and ETL infrastructure in Python, AWS (S3, EC2, OpsWorks, RDS), Selenium, Ubuntu Linux, MongoDB, and PostgreSQL for processing of 10,000+ health insurance applications 4X faster. * Developed Python packages to execute multiple tasks, such as browser automation (Selenium), PDF filling, and email sending, automating 66% of enrollment process and saving over $85,000 in manual labor costs. ### Web Developer (Contract) @ a1017 Jan 2015 – Jan 2015 | San Francisco, CA Developed organizational assessment application for Creatives Associates International for use by employees at dozens of NGOs in developing countries using Python, Django, JavaScript, and D3.js. Python, Django, D3.js, Docker, Codeship, Selenium, PhantomJS. ### Consulting Group Analyst / Associate / Intern @ Morgan Stanley Wealth Management Jan 2011 – Jan 2014 | Washington, D.C. • Analyzed holdings of clients and prospects to prepare investment proposals, financial plans, and presentations for portfolio reviews. • Tracked investment performance for clients’ accounts • Conducted due diligence research for the team’s mutual fund holdings and separately managed accounts. History: • Consulting Group Analyst (June 2013 - March 2014) • Associate (January 2012 - June 2013) • Intern (October 2011 - December 2011, June 2009 - August 2009) ## Education ### B.A. in Economics University of Maryland Jan 2007 – Jan 2011 ### Web Development in Full Stack Web Development Dev Bootcamp Jan 2014 – Jan 2014 ## Contact & Social - LinkedIn: https://linkedin.com/in/koines --- Source: https://flows.cv/andrewkoinesjr JSON Resume: https://flows.cv/andrewkoinesjr/resume.json Last updated: 2026-03-22