# Christian Sadi > Principal Backend Engineer at Goodwin | NodeJS Specialist Location: Warsaw, Illinois, United States Profile: https://flows.cv/christiansadi Focused on building and growing high performance tech cultures and systems. Leadership values: Healthy and Direct Communication > Politics Transparency > Secrecy Autonomy of Teams > Centralized Control Long-term > Short-term Inclusive/Diverse teams > Homogenous teams Homogenous technology > Diversity of technology Tech debt > New Features ## Work Experience ### Principal Backend Engineer @ Goodwin Jan 2024 – Present ### Senior Software Engineer (Contract work) @ Multiple Jan 2022 – Present Multiple Projects. Helped Luddex rebuild an AI finance platform for trading cards Multiple engagements with Station Casinos for architecture work on their casino systems ### Engineering Lead @ Shake Shack Jan 2022 – Jan 2022 | New York, New York, United States -Responsible for roughly 80-90 people across 4 engineering teams and 3 disciplines (Front end/Mobile, Backend, DevSecOps) -Intake and prioritization of work. Help the team gain clarity on technical requirements. -Liaison with Support and Feature Teams to resolve inter-team dependencies ( 4 different feature teams, 1 support team and of course his/her RUN Team) -Partner with the Release Manager to decide on the appropriate release plan. Augment the Release Manager working with the different PMs for PODs for all the planned & adhoc releases  -Plan the appropriate work size for the DevSecOps teammates within RUN team to improve the CI/CD, monitoring , alerting, security, scalability improvement. -Evaluate the technical dependencies between the different tech stacks to orchestrate and plan the changes. -Responsible for upkeep of the architecture and technical documentation -Review code, design and evaluate risk of specific implementation approaches ### Serverless Software Engineer @ Loop Jan 2020 – Jan 2022 | Las Vegas, Nevada, United States -Built the integration platform that enabled 6 million dollars of revenue for the company, which translated to 50 million on our Series B valuation -The same integration platform set a stability record for only having 1 incident across a 13 month span and that incident did not impact customers -Lead Integration Onboarding and Integration Support teams -Leading an evolution from a legacy monolith PHP architecture to a more scalable and secure NodeJS Serverless architecture through a combination of architecture work and mentorship -Consult as a sales engineer on calls with billion dollar clients -Lead incident response team for live bugs in production -Create educational videos and tutorials around new tech and processes for the team Tech list: Serverless Framework, AWS Lambda, SQS, EventBridge, MongoDB Atlas, NodeJS ### Lead Software Engineer (NodeJS Backend) @ byte® Jan 2020 – Jan 2020 | Las Vegas, Nevada, United States -Lead project teams of up to 4 developers under tight deadlines -Run technical interviews and onboard new engineers who work in the backend team. -Architect 70%+ of new features in the backend, working across departments, eliciting requirements, writing stories, performing QA tasks, and advising on releases to production Tech Used: NodeJS, TypeScript, Express, Jest, Mongoose, Cloud Services: Azure App Insights, Azure Cosmos DB, Azure Pipelines, Azure Blob Storage, Azure EventGrid, Azure App Services 3rd party platforms: Salesforce (Webhooks, Apex code, JSForce integrations, custom Sobjects), Shopify Plus (webhook integrations, Shopify Admin API), Delighted (NPS survey automation), MailChimp (Marketing and Transaction emails) ### Senior NodeJS Engineer @ byte® Jan 2019 – Jan 2020 | Las Vegas, Nevada Area -Architect a backend framework to standardize our NodeJS microservices, add continuously integrated testing, and add deep observability with Azure App Insights to significantly reduce support issues while scaling from a 80 million to a billion dollar valuation -Refactor our most critical services and write tests to get to 80% coverage -Implement internationalization support and integration with multiple Shopify stores for our first expansion outside of the USA -Design and implement Salesforce data integrations to keep data in sync across multiple backend platforms ### Fullstack JavaScript Developer @ ChiroTouch Jan 2019 – Jan 2019 | Las Vegas, Nevada -Led backend mentoring sessions that teach engineers how to use streams, integration tests, factories, Sequelize models, Swagger, and performance tests in NodeJS -Implemented a material design library of web components in Lit Element, a web component framework by Google, working with both product and design teams -Assisted team lead in technical strategy, capacity planning, project management, and regularly took on complex tasks including work with AWS S3, AWS Aurora, and Nginx configuration Tech used: Lit-element, Redux, NodeJS, Express, Mocha, Chai, Sinon, Karma, integration and unit testing, Sequelize, Docker, mySQL, Swagger, REST API design, factory-girl, performance testing with Autocannon and Node-Clinic Cloud Services: AWS Aurora, AWS S3, AWS SQS ### Software Engineer @ TZA Jan 2018 – Jan 2019 | Long Grove, IL -Lead Enterprise integrations in production with multiple systems using SQL Server and Talend in a Google Cloud environment under tight deadlines -Developed a new framework for integrations to speed development, increase developer readability, and enable quicker code changes -Launched a new Employee Incentive product working as product owner, developer, instructional designer, and account manager -Lead Technical Support team and assist in training new developers -Regularly handle delicate client conversations and improve client retention -Rebuilt Billing software for charging customers working with the company President and the Head of the Billing Department -Regularly handling a minimum of 4 projects at once Tech Used: Microsoft SQL Server (database design, extensive stored procedures, ETL pipelines), Talend, NodeJS Cloud Provider: Google Cloud ### Data Integration Engineer @ TZA Jan 2018 – Jan 2018 | Long Grove, Illinois -Promoted 4 months in for stellar performance ### Software Engineer @ Singhal Marketing Jan 2015 – Jan 2016 | Greater Chicago Area -Develop a hashtag analysis system for matching a client company's offerings to a potential Instagram target market using NodeJS -Lead marketing analytics strategy and implementation discussions -Work directly with clients to better understand technical challenges Tech Used: NodeJS, Express 3rd party platforms: Instagram ### Associate Developer @ Singhal Marketing Jan 2013 – Jan 2015 | Greater Chicago Area -Develop marketing landing pages in vanilla JavaScript -Create custom API endpoints in NodeJS to support marketing automation for Instagram and LinkedIn -Use data analytics to predict target market fit for specific industries on Instagram ## Education ### Certificate in JavaScript Development Fullstack Academy Jan 2017 – Jan 2017 ### Entrepreneurship and Finance University of Illinois at Chicago Jan 2012 – Jan 2014 ### Accounting College of Lake County Jan 2011 – Jan 2011 ### University of Illinois Urbana-Champaign Jan 2009 – Jan 2010 ### High School Diploma Illinois Mathematics and Science Academy Jan 2006 – Jan 2009 ## Contact & Social - LinkedIn: https://linkedin.com/in/christiansadi --- Source: https://flows.cv/christiansadi JSON Resume: https://flows.cv/christiansadi/resume.json Last updated: 2026-03-22