# Aaron L. > Staff Software Engineer at Clarium Location: New York, New York, United States Profile: https://flows.cv/aaronl3 I currently spearhead projects focusing on healthcare applications. My expertise lies in modernizing data capture and integration systems to enhance real-time data accuracy, scalability, and user engagement, leveraging a variety of cloud technologies. A jack of all trades, my technical experience spans of the gamut of frontend, backend, cloud infrastructure, testing, and developer operations. Previously, I honed my business skills at IBM, where I served as an internal consultant. My role involved gathering competitive intelligence and advising senior leaders, helping shape investment strategies and focus areas to stay ahead of market trends. My approach blends technical and business acumen where I've needed to effectively communicate and deliver alongside technical and non-technical audiences ensuring that projects not only succeed technically but also align closely with business goals. ## Work Experience ### Staff Software Engineer @ Clarium Jan 2025 – Present Shipping mission-critical features to enable resilient healthcare supply chain operations in hospital systems across the United States. Developed a multitude of highly customizable mission critical products, services, and pipelines in concert with design, product, and engineering. Led engineering-wide polyrepo to monorepo migration initiative for several of our core services. Implemented dry run capabilities to client specific pipelines to empower client facing staff, reduce deployment risk, and eliminate rework. Reduced automated testing pipeline run times by 95% (~20 minutes -> 1 minute) and created tooling to more easily run tests locally in less than 5 seconds. Introduced Swagger documentation capabilities to assist front end development and improve backend API documentation – to date ~50 of our endpoints are interactively documented in Swagger and growing. Authored extensive onboarding docs and sample PRs, reducing ramp-up time for engineers and enabling CX teammates to debug independently. Actively involved in technical hiring, candidate interviews, and backend guild initiatives to improve dev experience across pods. Regularly support client calls to clarify technical functionality, custom automation logic, and assess new feature feasibility. Partnered closely with product, CX, and design to deliver data-driven features aligned with real-world supply chain challenges. ### Senior Software Engineer @ Clarium Jan 2024 – Jan 2025 | New York, New York, United States ### Senior Software Engineer, Clinical Research @ Flatiron Health Jan 2023 – Jan 2024 | New York, New York, United States Enhanced data integrity checks by leading the design and deployment of a real-time edit check system for an oncology-focused EDC platform, enabling immediate data accuracy feedback and user interventions. Collaborated with product management and design teams to ensure the system met client needs and provided optimal user experience. Developed a customizable platform for client-facing teams to build client-specific edit checks. Implemented advanced monitoring with Datadog and structured logging, and upgraded infrastructure from ELB to ALB for improved resource isolation. Integrated real-time notifications into the React-based UI using WebSockets, significantly enhancing user engagement and reducing error resolution times. Resolved critical scalability issues in a data delivery pipeline handling clinical trials, as part of a targeted internal scalability task force. Diagnosed and overhauled a failing Node.js pipeline initially comprising thousands of lines of poorly structured code, improving code modularity and readability. Transitioned processing from a single overloaded Lambda function to a robust EC2-based scheduled task system, utilizing AWS Step Functions for efficient data segmentation and orchestration. Implemented a strategy for memory management by processing subsets of patient data, significantly reducing timeouts and memory constraints. Achieved reliable conversion and delivery of clinical trial data into SDTM format across JSON, CSV, and XPT formats, culminating in automated outputs to S3 for a 75,000 subject study. ### Senior Software Engineer, Evidence @ Flatiron Health Jan 2022 – Jan 2023 | New York, New York, United States Engineered and deployed a full-stack data exploration application to empower client-facing teams with real-time insights into oncology patient datasets. Collaborated with product and design teams to create a user-friendly interface in React, with a Python/Flask backend. Integrated complex querying capabilities into the Snowflake database, allowing non-technical users to dynamically filter patient populations based on criteria such as cancer type, age, treatment history, and geographical location. Containerized the solution and deployed on AWS EC2, streamlining the generation and export of custom reports. This tool significantly enhanced data accessibility, enabling clients to make informed decisions about dataset utility for their research needs. Mentored new hires and managed projects for summer intern and spring apprentice ### Software Engineer, Evidence @ Flatiron Health Jan 2020 – Jan 2022 | New York, New York, United States Developed and optimized a data integration pipeline for merging oncology patient datasets with healthcare claims data, enhancing the comprehensiveness of cancer patient profiles. Collaborated closely with internal client management teams and external partners, including Datavant, to align project objectives and ensure seamless integration. Automated the anonymization and merging process by containerizing the Datavant CLI application within an Airflow pipeline, replacing previous manual and local data handling methods. Implemented efficient data upload workflows and secure data sharing via S3, with subsequent processing and storage in Snowflake. This transformation significantly reduced manual labor and improved data integrity and accessibility for research purposes across multiple partner sites. ### Junior Software Engineer, Evidence @ Flatiron Health Jan 2019 – Jan 2020 | New York, New York, United States Architected and executed a zero-downtime deployment system for a high-traffic production application, modernizing the infrastructure from a legacy EC2 setup to a robust, containerized environment using Docker Swarm. Leveraged Terraform for infrastructure automation and Ansible with Jenkins for continuous deployment, dramatically cutting down the previous 45-minute downtime to zero and reducing deployment times by 87%. This overhaul significantly boosted service availability and operational efficiency for an application receiving millions of requests per month. ### Apprentice Software Engineer, Evidence @ Flatiron Health Jan 2019 – Jan 2019 | New York, New York, United States Built application to monitor and respond to data quality issues ### Senior Analyst, Market Development & Insights @ IBM Jan 2016 – Jan 2018 | New York, New York Automated quarterly win loss analysis by developing an application that would analyze data and produce presentation deliverables using R resulting in a dramatic (99%) increase in efficiency. Developed internal and external point of views on emerging technologies for senior leaders in the company by conducting research through the analysis of company profiles, worldwide start-up, patent, venture capital funding, and mergers and acquisitions trends using R and Excel resulting in 2 external publications and ~20 internal publications Translated user experience data into insights for CEO, CMO, as well as other senior leadership officials and provided consultative support for high-profile communications Provided both strategic support to key decision makers regarding business performance, emerging technologies, competitors, and buyer preferences to inform global product strategy and pipeline development. Conducted research on emerging topics and covered worldwide start-up, patent, venture capital funding, and mergers and acquisitions trends Drive customer centricity across IBM by serving as an advocate for IBM’s NPS and global client experience programs through workshops, the creation of educational material, and analysis of client feedback. Involved in the 2015-2018 university recruitment and selection of talent by delivering campus presentations, vetting resumes and interviewing candidates for intern and full-time roles. Received multiple awards including the Manager's Choice Award in 2017 and the Best of MD&I Award in 2018. ### Analyst, Market Development & Insights @ IBM Jan 2015 – Jan 2016 | New York, New York Researched AI, Internet of Things, and Blockchain services market to advise GM level executives and support innovation and decision making. Analyzed and provided quarterly insights on deals lost and won to global strategy leaders in IBM’s Global Business Services unit to increase future pipeline volume and improve delivery. Gathered and presented intelligence on major and emerging global services competitors to business leaders concerned about competitive and market threats, opportunities, weaknesses, and strengths. Led all Market Development & Insights 2015 recruiting efforts on Binghamton University’s campus by organizing on campus recruitment activities, vetting resumes, and interviewing full-time and intern candidates. Developed the first new hire mentor program in Market Development & Insights through which all interested new hires are paired with a volunteer experienced analyst for career and professional guidance in 2016. ### Summer Analyst, Market Development & Insights @ IBM Jan 2014 – Jan 2014 | New York, New York With a focus on analytic consulting services, conducted research to identify buyer preferences, market trends, and emerging niche players with the objective of aligning service offerings with current and future market demands. ## Education ### Bachelor of Science - BS Binghamton University Jan 2012 – Jan 2015 ## Contact & Social - LinkedIn: https://linkedin.com/in/aaronludwin - Website: https://stackoverflow.com/story/aludwin - GitHub: https://github.com/aludwin1 --- Source: https://flows.cv/aaronl3 JSON Resume: https://flows.cv/aaronl3/resume.json Last updated: 2026-04-01