Ahmed Grissa

– Led the integration of a new SMS channel for an AI-powered conversational shopping assistant, collaborating with ML teams to deliver end-to-end functionality. – Designed and rolled out a retention + purging system to automatically delete payload data older than 30 days, with Datadog monitoring and dashboards to track execution and ensure reliability – Implemented CDC pipelines (Debezium) to stream Postgres data into BigQuery/GCS for analytics and long-term storage. – Collaborate closely with design and product teams to align on requirements, author comprehensive technical specifications, and meticulously manage linear tickets throughout the development lifecycle and provide continuous project updates.

– Contributed to reduce latency in several http endpoints by optimising database queries. – Streamlined background processes for outbox event handling, boosting efficiency by 30% and reducing failure rates by 22%. – Proactively drive process improvements within the development lifecycle, fostering collaboration and accountability to consistently achieve team objectives. – Collaborate closely with design and product teams to align on requirements, author comprehensive technical specifications, and meticulously manage Jira tickets throughout the development lifecycle. – Implemented load testing initiatives using k6 by establishing the foundational setup, developing test scenarios, and providing comprehensive documentation.

– Decomposed a part of the monolith into microservices and added the corresponding Helm configuration. – Implemented a system of jobs related to other jobs for long-running jobs to improve the performance and efficiency of the workers. – Implemented a post-processing mechanism based on different actions in the system using Redis streams.

– Internal product: SaaS allowing traceability of transfers in the supply chain based on blockchain validation. – Continuously improved the performance of API routes and the company's product. – Participated in client meetings and converted business requirements into technical specifications, and divided into detailed tasks within the team. – Implemented a notification system between servers and clients using websockets. – Implemented development best practices within the company (Test Driven Development, Code reviews, Code readability, and commenting). – Lead a team of three developers with regular follow-ups and occasional pair coding. – Worked on an internal project with the management of large volumes of data from Shopify orders.

– Project Benchmark ROI Tool : Strategic product of the company for graph visualization based on customer data. Tasks performed: – Contributed to the design of the application with the development team – Set up unit tests and configured Circle CI for continuous integration. – Developed benchmarks with D3.js and built its APIs. – Added a staging environment and configured Heroku. – Created a script to import large amounts of data in collaboration with the data science team.