Stephen Mendez
Cart 0

Experience & Projects

Software Engineer - Trust & Safety, Hinge

Bad Actor Detection (BAD)

  • Technical lead of a high-risk safety mitigation project, collaborating directly with executives and stakeholders across Risk-Ethics-Policy, Product, Communications, and Trust & Safety to deliver an immediate solution and devise a comprehensive long-term strategy.

  • Developed a novel service leveraging an industry-provided model to extract actionable insights during account creation, significantly reducing bad actors on the platform.

  • Enhanced moderation pipelines for real-time updates, cleaner logic and robust monitoring mechanisms to fortify operational efficiency.

  • Developed automated detection systems, encompassing holistic and machine learning models, to swiftly identify and address malicious activities on the platform.

  • Actively participates in meetings with internal and external stakeholders to remain abreast of evolving threat landscapes and emerging technical capabilities.

Logo.png

Software Engineer - Live Services, Twitter

Spaces, Broadcasts & Podcasts | Tech Lead, Health & Content Moderation

  • Led a dedicated three person team on the design and development of the greenfield Reporting & Moderation system for Podcasts in close partnership with Product, Trust & Safety, Health & MediaOps [Go, React, APIs, Redis, BigQuery]

  • Developed a real-time, automated toxic content detection pipeline to improve product safety and reduce moderation cost by up to $200k per month [Go, Kafka, APIs, ML Services]

  • Principal stakeholder for executing a multi-team, multi-year migration of the live content moderation web platform for compliance and security [Go, Javascript, APIs, DynamoDB]

  • Key contributor credited on the patent pending Server Side Transcriptions & Translations projects [Go, External APIs]

  • Advocated across the organization to incorporate numerous health initiatives into cross-team technical roadmaps

  • Mentored several teammates on their technical skills, industry best practices & career aspirations and participated in ERGs

  • Q4 ‘22 promotion packet was submitted and pending prior to the company acquisition and significant workforce reduction

Eno.jpg

Principal Software Engineer - Conversational AI & Messaging, Capital One

Conversation Platform Team (Eno)

  • Managed the migration from ECS to EC2 compute architecture for core orchestration services

Senior Software Engineer - Conversational AI & Messaging, Capital One

Conversation Platform Team (Eno)

  • Key driver of a patent pending multi-region, active-active serverless workflow for making product configuration changes in running microservices without redeployment or downtime [Python, AWS Lambda-SQS-DynamoDB, Jenkins]

  • Created an experimentation framework to support UX testing and rapid prototyping across multiple services powering the Eno chatbot [Python Asyncio, Docker, AWS ECS]

  • Improved service monitoring, logging and on-call alerting resulting in a reduction of system noise by over 80% [SplunkPagerDuty]

  • Development of a workflow orchestration engine for the REST microservice backend powering Eno, Capital One’s chatbot. [Python Asyncio]

  • Created a secure CLI to improve internal developer experience while interacting with HashiCorp Vault from within an IDE.

  • Started an ad-hoc design & review meeting series to facilitate development collaboration, system design discussion and career growth among groups of developers.

  • Advocate and collaborator for mentorship programs and diversity & inclusion recruiting initiatives.

Criteo_logo.png

Software Engineer II - Criteo Retail Media

  • Developed a cross-platform desktop application to proxy network requests for end users to allow non-technical users to review and interact with local (docker containers), lower and production environments.

  • Assisted in the migration of CDN infrastructure from AWS CloudFront to Criteo owned data centers.

Software Engineer - Criteo Retail Media

  • Creator of RADAR (Responsive Ad Detection and Reporting), a native ad monitoring system and web platform, providing the foundation for scaling ad operations with brand and retail partners [Node.js, WebdriverIO, Express.js, MariaDB]

  • Launched a company wide, open source Node.js module providing development teams with maintained access to key microservices, databases and RESTful APIs.

  • Wrote detailed technical and user facing documentation with a focus on increasing end user ability, project transparency and team accountability. 

  • Established a new hire ramp-up process by providing documentation, tutorials and setup guides to decrease the time needed to reach working proficiency for new members.

Grabyo_logotype_.png

Technical Account Management Fellow - Grabyo

  • Developed a broadcast grade graphics solution using the Spredfast platform, live data sources (social media, polling, etc) & HTML/CSS/JS to enhance our clients' live stream productions.

  • Established an animated video tutorial series to establish confidence in clients' using our web based production platform.

lFSEz2BI_400x400.jpg

Head Engineer - Q30 Television

  • Developed an interactive and responsive touchscreen graphics solution used by on air talent during live broadcasts (Processing/Java, Simple Multi-Touch (SMT), Unfolding Maps, etc).

  • Implemented secure remote access & support of broadcast systems providing 24/7 support of studio and field operations.

  • Established cost efficient in-studio & remote live streaming technologies through a mix of open source and COTS solutions.

  • Implemented an asset management system to improve tracking and accountability over equipment.

  • Organized and ran tutorials & workshops for talent, staff and support teams.

Open-SOurce Projects

Certifications

Developments Tools