Chris Lewandowski

CHRIS LEWANDOWSKI Senior Full-Stack Developer- SUMMARY I have over 8 years of experience as a Full-Stack Software Engineer in Object-oriented (OOPS) design and development, Web programming, API services and GUI development using JavaScript and Python, and strong experience in the analysis, design and development. I have rich experience and knowledge in React, Angular, Django, and Flask. EXPERIENCE AUG 2022 – FEB 2022 MERN STACK & OPENAI DEVELOPER, AIRIN TECHNOLOGIES, INC • • • • • • • • • Created reusable UI framework using React. Created a fine-tuning model and built chat function using OpenAI with Django. Generated text automation using OpenAI API with Python. Generated TTS(Text To Speech) function using OpenAI Whisper API. Generated human’s random images for chatbot using OpenAI DALL-E API. Worked with a React/Redux environment on a major enterprise product already in production. Helped integrate charts libraries based on D3 and React. Partnering with Scrum master and Product manager in daily scrum call 2 times(Monday, Thursday) every week, resolving impediment related to mapping document, sprint planning and PI planning Upgraded GPT3 model into GPT3.5(turbo) model. JAN 2019 – AUG 2022 REACT & DJANGO DEVELOPER, AIRIN TECHNOLOGIES, INC • • • • • • • Delivered and maintained software design and development projects using React/Django technologies. Responsible for the architecture and technology of existing products. In particular custom frameworks and security subsystems. Maintained web services development, integration and web and application servers Ability to leverage technology to recommend technical solutions to the Customer. Responsible for object-oriented design and development skills with appropriate use of design patterns. Responsible for applying AJAX principles using open source JavaScript libraries and JSON. Developed and validated documentation for system and software requirements 1 JUL 2016 – MAY 2018 JAVASCRIPT & PYTHON DEVELOPER, AVANAN NEW YORK, US • • • • • • • Collaborated with and across Customer 360 Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies. Collaborated with digital product managers and deliver robust cloud-based solutions that drive powerful experiences to help our members, grow our business and transform our organization. Served as a role model and technical contributor on Agile teams to promote quality, innovative, and scalable solution delivery. Utilized engineering technologies like JavaScript, Python, HTML/CSS, React, NPM, Django, TypeScript, SQL, SSIS, and Git, and a variety of Azure platform tools, frameworks and services Worked with Principal Engineers and Architects to ensure standards are adhered to in the solutions design process Served as a technology and design Subject Matter Expert for the team Worked in a collaborative environment, whether you’re working onsite or remotely NOV 2014 – JUL 2017 JUNIOR JAVASCRIPT & PYTHON DEVELOPER, CONSTELLATION SOFTWARE, INC • • • • • Developed front-end website architecture and back-end website application. Designed user interaction on web pages and ensure application responsiveness. Designed and maintained full-featured databases for large-scale applications. Identified application issues and deploy web apps just-in-time in the cloud. Collaborated with data teams, IT teams, and designers to design powerful apps and promoted business goals EDUCATION SEP 2009 – APR 2014 Bachelor’s degree – Computer Software Engineering Tsinghua University, Beijing SKILLS • • • • • Language: JavaScript/TypeScript, Python Framework: React/React Native, Angular, Node.js, Django, Flask, FastAPI API Integration, RESTful API Payment Gateway Integration (Stripe API, PayPal Integration, etc) MongoDB, MySQL, PostgreSQL, DynamoDB 2 • • • • • • • AWS Docker, Kubernetes Git, BitBucket, GitHub, GitLab Jira, Trello GraphQL Twilio API Serverless Framework