Jean C.Back-end and Systems Engineer
Skills
Python Developer with a degree in Systems Analysis and Development from Faculdade Anhanguera, demonstrating a robust background in the infrastructure and software development sectors since 2012, rooted in an early engagement with technology starting at age 15.
Exhibits a strong appreciation for teamwork, a continual pursuit of new technologies, and a dedication to knowledge sharing. Actively seeks new challenges and prioritizes work efficiency and self-sufficiency. Enthusiastic about open-source and free software communities with contributions across various forums.
Holds a degree in Systems Analysis and Development from Faculdade Anhanguera, conferred in 2022.
Possesses extensive expertise in numerous technologies and methodologies including, but not limited to, PHP, Python, Celery, Django, Flask, FastAPI, PythonRQ, Yii Framework, Linux environments (Bash, ZSH), MySQL, PostgreSQL, Redis, DynamoDB, and SQLite. Additionally, experienced with Mac OS X and Windows systems as well as cloud services such as AWS (EC2, Lambda, Step Function, Organization, RDS), GCP, and Azure.
Senior Software Engineer (Level III)
2/1/2023 - 12/1/2023
Developed solutions by coding and documenting within the Audience team, encompassing the entire end-to-end architectural process from conception to delivery. Innovated through suggestions, and mentored colleagues to achieve desired outcomes. Served as a facilitator between multiple teams to establish war rooms for problem-solving. Utilized Python and PHP to create an email marketing solution, enhancing team productivity and product delivery.
Authored an API Gateway for data transfer of thousands of products to support third-party application consultations, and developed a general-purpose logging library. Employed Test-Driven Development (TDD) to write tests, and implemented new features in both the frontend and backend of the primary store application for real-time data updates and user behavior tracking.
Assisted junior and mid-level developers with problem-solving and promoted good development practices. Facilitated communication between the Audience team and cross-functional teams, wrote comprehensive documentation, and advocated for agile methodology practices. Created a new architecture to address long-term challenges faced by the team.Mid-Level Backend Developer
2/1/2022 - 2/1/2023
Assisted in the development of data engineering solutions, focusing on implementing DAGs (Directed Acyclic Graphs), data connectors, and microservices. Devised a new architecture to address and mitigate technical debts related to the ETL flow while advocating for best practices and the adoption of a testing culture. Authored various Python solutions beyond the data engineering team, demonstrating versatility in project contributions. Utilized Python, Airflow, and FastAPI to develop and refine DAGs, APIs, microservices, and data connectors. Evangelized the Test Driven Development (TDD) methodology to ensure robust, maintainable code.Python Backend Developer (Freelancer)
10/1/2021 - 5/1/2022
Provided support and maintenance for a Restful API in Flask to manage CNPJ information based on Brazilian Federal Revenue data. Developed a script using Python, leveraging the Flask framework, Elasticsearch, AWS Lambda, and SQLite, to automate the downloading and merging of data according to specified business rules. Authored comprehensive documentation for the properties and functionalities of the system. Demonstrated robust technical expertise in Python, Flask, and Elasticsearch, while also utilizing AWS Lambda for serverless computing and SQLite for lightweight database management.Python Developer
11/1/2020 - 2/1/2022
Served as a development consultant on the cloud engineering team, playing a key role in the creation and deployment of a self-service application that automated cloud environment resources for internal development teams. This initiative directly led to significant cost savings and improved infrastructure stability. Demonstrated expertise in Python, leveraging Django for web applications and Celery for distributed queue management. Migrated legacy automations, streamlined processes, and documented technical workflows comprehensively. Provided development support and services, refactored legacy code, and administered user-level access for Kubernetes clusters (k8s). Developed a daily backup solution for EC2, EBS, and RDS instances in production environments and managed AWS Organization account inventory, showcasing proficiency in cloud management with AWS, GCP, and Azure.Junior Backend Developer
2/1/2020 - 11/1/2020
Contributed to the creation of a jurisprudence system leveraging artificial intelligence for legal decisions in the tax field, collaborating with a small team during a challenging pandemic period. Delivered a product that significantly increased client acquisition, resulting in additional funding and expansion of the team.
Developed and maintained a web crawler orchestrator to capture information from legal processes using Python, Celery, Redis, Elasticsearch, Docker, and AWS EC2. Built web crawlers to extract data from web pages related to national tax processes. Designed and implemented container infrastructure for the web crawler manager, deploying it on EC2 instances within AWS. Authored Shell Scripts to assist in maintaining the infrastructure, ensuring efficient operations and system reliability.
Analysis and Development of Systems at Anhanguera College
2020 - 2022
Jean is available for hire
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