Lucas Cegielkowski Email & Phone Number

United States

At Virtasant, a leading global cloud services provider, I am currently playing a pivotal role in transforming, building, and optimizing products on the cloud, driving organizations toward cloud proficiency. My responsibilities chiefly involve:Holistic Cloud Solutions: Designing, developing, implementing, and maintaining end-to-end solutions for optimizing customers' cloud expenditure and bolstering Cloud FinOps programs.Technical Architecting: Actively participating in technical discussions, shaping the architecture of our cloud-based and distributed systems, and ensuring the adoption of best software development practices.Code Quality Assurance: Conducting thorough code reviews, offering constructive feedback, and ensuring the production of high-caliber code.Continuous Improvement: Identifying potential enhancements in existing systems and processes, and advocating for their implementation to streamline operations.Industry Awareness: Staying abreast with the latest advancements in cloud computing, distributed systems, and software engineering, bringing innovative solutions and techniques to the team.Technical Proficiencies:Cloud Platforms: Extensive experience with major cloud platforms including AWS, Azure, and Google Cloud.Data Handling: Proficiency in cloud-based data storage and processing, coupled with strong programming skills in Python and SQL.Data Analysis Tools: Hands-on experience with data manipulation and analysis tools like Apache Spark.Monitoring Tools: Familiarity with monitoring tools such as Newrelic, Datadog, and AppDynamics.In my role at Virtasant, I'm focused on leveraging the native capabilities of the cloud to optimize and accelerate our clients' cloud journey, ensuring our systems are scalable, reliable, and performance-centric.

San Francisco Bay Area

Served as the key leader in a large-scale, fast-paced data acquisition project, reportingdirectly to the CTO. Spearheaded the project's roadmap and managed all aspects of thesystem, from defining feature sets and developing improvements to operational monitoringand cost optimization.Key Achievements:1. Strategic Leadership: Led a multidisciplinary team, including providing mentorship toless experienced developers, setting the project's roadmap, and defining the scope andscale of data collection.2. Scrum Implementation: Introduced Agile methodologies, specifically Scrum, tooptimize the project's workflow, resulting in increased efficiency and team collaboration.3. Data Acquisition Expansion: Increased daily product scraping from 10 million to 20million items, while adding over 2000 new stores to the database. This expansionincluded improving and optimizing the scraping process, substantially reducing proxybandwidth consumption.4. Analytics Dashboard Development: Developed a comprehensive analytics dashboard,equipped with mathematical metrics for data distribution analysis and problemdetection in the scraping process.5. System Architecture Design: Architected and implemented a new model for the basescraper, initiating a gradual migration to enhance overall system performance androbustness.6. Data Analysis: Utilized Python scripts to perform sophisticated data analysis, providinginsights to drive data acquisition strategies and techniques further.Technical Skills: JavaScript, Node.js, HTML, CSS, XPath, Puppeteer, Kubernetes, GoogleCloud Platform, Redis, RabbitMQ, BigQuery, Google DataFlow, TypeScript, Google DataStudio, Python & Pandas.Overall, this role demonstrated my ability to lead a tech team in a data-intensiveenvironment, use modern technologies for data acquisition and analysis, and drive significantimprovements in system robustness, flexibility, and scale.

United States

As a software engineer at Abide, a startup founded by former Google employees with a mission to bring people closer to God, I made significant contributions to the development of the world's most popular Christian meditation app, which boasts over 4 million users. I leveraged my expertise in Go programming language, Kubernetes, Google Cloud Platform, and MongoDB to design and implement new features for the app's backend, while ensuring high quality through integration and unit testing. My proficiency in technologies such as Docker, GKE, and Nginx also enabled me to improve the app's overall performance and scalability.

Los Angeles, California, United States

As the Head of Data, I led the Data Team to achieve the company's data objectives and drove success through effective leadership and management. My responsibilities included overseeing the budget, people management, vision/mission, strategy, and roadmap for the team. I focused on enabling all departments to be data-driven and efficient in their decision-making by making architectural and buy vs build decisions to improve data infrastructure and providing hands-on tools to supercharge the delivery of data. I also developed serverless microservices using Golang, Lambda, and API Gateway. I worked closely with cross-functional teams to ensure the Data Team was aligned with the overall company goals and that the company was leveraging data to its fullest potential.

Los Angeles, California, United States

As a data engineer, I was responsible for extracting and ingesting data from various sources including APIs and external datasets. I led the creation of tools, services, and workflows to improve ingestion, analysis, reporting, and data management. I also tested the data for accuracy and quality and took ownership of identifying and rectifying any issues. Additionally, I scaled the data infrastructure. My technical expertise included developing serverless microservices using Golang, Lambda, and API Gateway, scaling web scrapes and data normalization across multiple sources, and proficiency in Linux/UNIX, HTTP, HTML, JavaScript, and Networking. I was familiar with techniques and tools for crawling, extracting, and processing data such as Scrapy, pandas, MapReduce, SQL, Apify, etc. I have knowledge of system monitoring/administration tools and experience in executing projects through the design, implementation, automation, and maintenance of large-scale ETL processes. I was also responsible for continuously improving and optimizing the data pipeline, troubleshooting, and fixing any issues that arose to ensure timely and accurate data delivery.

Cayman Islands

As a member of a team that helps customers accelerate product development by adopting cloud and cloud-native methodologies, I have been involved in various projects for different clients. My technical expertise includes developing microservices using Golang, working with big data technologies such as Spark and Hadoop, building data pipelines, and performing ETL processes, handling terabytes of data while working with the US healthcare system, being proficient in Scala, Python, MongoDB, ElasticSearch, and SQL Server, delivering cloud-based data solutions using Azure and acting as a technical liaison for clients in other countries.

Blumenau, Santa Catarina, Brasil

As a seasoned software engineer, I have demonstrated my technical expertise by playing a crucial role in the development of the back-end of the largest software from Serasa Experian, a leading company in Brazil. My expertise in microservices and Golang and Python programming languages enabled me to deliver a high-performance, scalable, and secure system, capable of handling over 3 million requests per second and serving over 160 million users.I leveraged various tools and technologies, including FastAPI, Docker, ElasticSearch, Redis, PostgreSQL, and Amazon services (S3, SQS, etc.), to build a robust and reliable solution that met the highest standards of quality and security. I implemented cryptography and followed a "safety first" approach to ensure the security and safety of the system. Furthermore, I adhered to GitFlow and conventional commitments using GIT for code version control to guarantee efficient and timely delivery of the project.My extensive experience in software development also allowed me to effectively integrate different partners and technologies, including webservices, gRPC, REST APIs, file systems, XML, and JSON into the software. This seamless integration resulted in a highly functional and efficient solution, contributing to the success of the largest software from Serasa Experian.Additionally, I have demonstrated my exceptional problem-solving skills by successfully resolving a critical issue that was hindering a 4 million dollar contract. This achievement highlights my ability to handle high-pressure situations and deliver solutions that drive business success.

Bauru E Região, Brasil

As a developer, I developed customizations for both the backend and frontend of a web directory system using the PHP (Symfony) framework. I built and maintained relationships with customers, communicating effectively both through messaging and calls, with a majority of interactions conducted in English. I implemented service architecture and GraphQL to improve the performance and scalability of the system. I utilized various tools and technologies, including Docker, Symfony, JQuery, MySQL, ElasticSearch, Doctrine Framework, and GIT (GitFlow) to deliver a high-quality product.

Bauru E Região, Brasil

As a developer, I worked on the development of a CRM web system that was integrated with project control, utilizing PHP (Codeigniter) for the back-end and front-end development, and Laravel for the API development. I restructured the back-end and database to support offline functionality within the app, resulting in increased performance and reliability. I utilized various tools and technologies, including CodeIgniter, Docker, Laravel, MVC and REST API, Angular, JQuery, MySQL, Eloquent Framework, and GIT (GitFlow) to deliver a high-quality product. I adhered to agile methodologies and Scrum principles to ensure efficient and timely delivery of the project. Through this work, I developed skills in PHP, Git, JavaScript, JQuery, MySQL, Docker, SQL, JSON, and APIs, becoming an expert in back-end web development.

Bachelor'S Degree, Information Systems

Graduating from UNESP, one of Latin America's top universities, I've honed my expertise in Information Systems, a field where this.

Master In Big Data And Business Intelligence, Information Technology

As an alumnus of ENEB Business School's esteemed Master in Big Data and Business Intelligence program, I have acquired cutting-edge skills.

Master Of Business Administration - Mba, Business Administration

Having completed my MBA at ENEB Business School in February 2024, I have gained a strategic and global perspective on business management..