# Omkar Gadgil > Senior Software Engineer @ Zwicker & Associates, P.C | Full‑Stack (React.js, Vue.js, Nuxt.js , Python, AWS) | Cloud-Native Apps | Microservices | CI/CD | Agile Location: Greater Boston, United States Profile: https://flows.cv/omkargadgil With over 6 years of experience, I build scalable web apps and backend services using React, Vue, Node.js, TypeScript, Python (Flask , Django) and AWS. I have led projects from design to deployment, including a payment portal that achieved 94% WCAG accessibility, cut bounce rates by 30% and added multilingual support to boost non English user engagement by 20%. My work covers designing secure RESTful APIs, cloud native microservices, UX and Database optimization (MySQL, PostgreSQL), machine learning infrastructure on AWS, data workflows, ETL pipelines and improving system reliability while working with agile methodologies. I deliver results fast by streamlining workflows, reducing deployment time by utilizing CI/CD and solving critical problems with focus on accessibility, collaboration and automation. Skills: JavaScript, React.js, Node.js, TypeScript, Python, Java, C/C++, Git, Agile/Scrum, ETL, Automation, Data Analytics, Agile/Scrum, RESTful APIs ## Work Experience ### Senior Software Engineer @ Zwicker & Associates, P.C. Jan 2020 – Present | Massachusetts, United States Led end-to-end design, development and deployment of a a cloud-native payment portal using React, Node.js and AWS and achieved 94% WCAG accessibility score. Architected Python (Flask) backend service and REST APIs, boosting data‑processing efficiency 25% vs. legacy system. Implemented multilingual user experience and scalable RESTful APIs with two-factor authentication, cutting unauthorized access by 30% and boosting non-English engagement 20%. Optimized backend and server performance using Nginx and Gunicorn workers to improve system response time by 20% Monitored analytics to increase organic traffic by 22%, and managed cloud resource provisioning and infrastructure as code. Automated data extraction and classification with BeautifulSoup + Pandas, reducing manual effort by 60%. Drove cross-functional Agile teams across engineering, ops, and QA; reduced delivery cycle by 30% through CI/CD pipelines (GitHub Actions, Docker) and automated testing. Enhanced frontend maintainability by developing reusable React components, implementing Redux for state management, and reducing bugs by 25%. ### Software Engineer @ Leuko Jan 2019 – Jan 2020 | Boston, Massachusetts, United States Productionized research code into reliable services, increasing data‑processing speed by 15% and reducing system errors by 20%. Built image processing and image registration pipelines in Python using ITK, FFMPEG, and VideoIO to deliver production‑grade computer vision workflows. Delivered actionable insights via PyPlot dashboards and data visualization, improving data‑driven decision‑making by 25%. Architected automated ML infrastructure on AWS (EC2, S3, VPC, IAM, Lambda), lowering operational costs by 23% and cutting deployment time by 40%+. Automated AWS resource management with Python and Boto3, optimizing utilization and reducing infrastructure expenses by 20%. Implemented event‑driven Lambda functions to improve responsiveness and reduce downtime incidents by 10%. ### Service Delivery Analyst @ ZS Jan 2015 – Jan 2016 | Pune Area, India Used Informatica Power center to extract transform and load the raw sales data into enterprise database. Tweaked the Mappings, sessions and optimized SQL queries in Informatica power centerto resolve business process workflow issues in database on production server. Proactively responded and resolved the end user queries and issues as per the SLA. Experience with ticketing system such as JIRA for logging incidents and service requests. Drove a 15% reduction in runtime of raw sales data on the production server by automation with help of CA workload. Experience with business intelligence analytics in pharma domain. ## Education ### Graduate in Computer Science University of Massachusetts Lowell ### Bachelor of Engineering (BE) in Computer Engineering marathwada mitra mandal's college of engineering ### Saint Joseph high school ## Contact & Social - LinkedIn: https://linkedin.com/in/omkar-gadgil --- Source: https://flows.cv/omkargadgil JSON Resume: https://flows.cv/omkargadgil/resume.json Last updated: 2026-03-28