A startup company I've been fortunate to work at since its inception, I've played a pivotal role in building the technology stack from the ground up. Some key achievements include: - Converted complex Jupyter notebooks to Python applications, applying software engineering best practices. Led production deployment of ML on Linux Docker containers, yielding website-ready results. - Developed a web application from the ground up using React, Redux Toolkit, Material UI, and Plotly (WebGL) to create interactive visualizations capable of handling large datasets with thousands of data points. - Built resilient backend systems with multiple data integrations, implementing pub/sub workflows for scalable execution of pre-processing, data science algorithms, and post-processing of model output. - Constructed REST APIs in .NET Core 8, leveraging the latest Entity Framework and Marten document storage on Postgres RDS instances. Integrated AWS S3 for handling large datasets. - Established infrastructure with AWS services, including ECS Fargate, CloudFront, SNS, Lambdas, and Code Pipelines. Achieved cost-effective setup, maintaining very low infrastructure costs.

Led full-stack software development, managing a small team. Developed solutions for seamless integration of time-series data from Oil and Gas field operations into SaaS Web applications, Real-Time products, and Machine Learning models. - Back-end experience spanning .NET Core, Akka, Message Brokers, APIs, Docker, SQL Server, Postgres, and Python for robust and efficient system development. - Front-end expertise in ASP.NET MVC transitioning to React, incorporating React Hooks, Redux, Material UI, and extensive D3 for responsive and feature-rich web applications. - Managed infrastructure using AWS services to minimize single points of failure. Utilized services such as ECS, Lambdas, S3, Amazon MQ, RDS, and Load Balancers. - Led and mentored a team of 8 Junior and Senior Software and QA Engineers, facilitating process changes and nurturing their skills and career growth. - Collaborated closely with Data Scientists to seamlessly implement Machine Learning models into our production SaaS website and real-time systems, enhancing functionality and performance. - Managed a project involving the migration of a 90 TB SQL Server database to S3, strategically implementing S3 Select with custom indexing. The primary objective was to achieve significant cost savings of approximately $9K per month while ensuring continued optimal performance for the website.

Collaborated in Web and Middleware teams to develop investor and borrower-facing financial service websites. Contributed to both UI front-end development and building the API framework for seamless integration across multiple applications in the company. - Developed a responsive website using ASP.NET Core/Framework and Bootstrap UI. - Upgraded website security from Microsoft Membership to WS-Federated Authentication. - Developed Private Label functionality and successfully implemented the first client in production. - Conducted front-end development using Microsoft ASP.NET 4.5 ASPX pages to support an existing app. - Developed a Middleware solution connecting multiple applications through REST API services. - Implemented JSON Web Tokens for APIs and utilized RabbitMQ as the messaging service.

Managed the entire Technology department at Optis, overseeing Software Development, Information Technology, and Production Operations. Led a team of 10 technical professionals, meeting financial targets, reducing expenses, hiring skilled employees, and providing guidance on organizational changes.

Led a team of 5 software developers for 8 years. Orchestrated the upgrade of the Optis core platform using Microsoft ASP.NET MVC, REST APIs, and SSRS Reporting services. This platform provides HR Absence Management solutions, supporting hundreds of organizations in a SaaS multi-tenant system. Successfully acquired a unique combination of front-end and back-end development skills and experience. - Experience with ASP.NET, HTML, CSS, Razor, JavaScript, jQuery, Ajax, Knockout JS, and Kendo UI. - Back-end experience with Microsoft SQL Server, Entity Framework, OData, NMock3, and LINQ. - Expert SQL developer skilled in T-SQL, performance tuning, and SSRS Reporting. - Developed SSIS ETL processes to feed data into enterprise-scale HR management systems. - Managed and successfully completed hundreds of large historical Insurance Company data conversions. Optimized these ETL processes, reducing the required number of full-time employees from 5+ to 1 and contributing to generating over $1 million in revenue per year. - Certified Scrum Master with experience in Agile Scrum software development life cycle.

Software Developer specializing in building HR management web applications, ETL processes, and BI reporting using Microsoft web technology and IBM relational databases. Gained extensive experience in designing and developing large relational databases to support web applications and reporting. - Experience in writing ETL processes using Unix Shell scripting to automate file system and SQL tasks on IBM Informix database. - Experience with Visual Basic in ASP.NET Web Forms, including the consumption of XML data with XSLT and integration of JavaScript for enhanced web page functionality.