About Hossein
English
Native or bilingual
Experience
- Reach PLCFull-stack Software EngineerJanuary 2022 - Today (4 years and 5 months)London, UKInYourArea.co.ukInfrastructure○ Built and deployed distributed services in a multi-account AWS setup using Lambda, Step Functions, API Gateway, ECS, SQS, ALB, DynamoDB, and more, with IaC (CloudFormation, CDK and Terraform) in NodeJS (Typescript) (as well as Python/Go).○ Developed reliable ETL pipelines with third-party data integrations and maintained an in-house analytics platform using Glue, Batch, Athena, S3 and more.○ Reduced AWS costs through targeted efficiency improvements.Native AppFrequently ranked #1 in the UK App Store (News category) Contributed to key improvements across the full mobile SDLC for iOS/Android using React Native. Built out robust CI/CD pipelines and automated app store releases. Led the migration from Flow/JS to TypeScript. Implemented theming and ensured accessibility compliance. Promoted best practices for deep linking, push notifications, and real-time analytics (GA, Firebase, Amplitude).Data & ProductWorked with POs and stakeholders to turn business requirements into technical solutions across analytics and advertising. Used user and product data to grow advertiser offerings. Supported security reviews and GDPR compliance. Mentored new hires and created API docs, architecture diagrams, onboarding guides, and runbooks in Confluence and Jira.
- ENGIE Smart Buildings LtdFull-stack DeveloperPUBLISHINGNovember 2018 - January 2022 (3 years and 2 months)Leeds, UK• Helped with developing a centralised dashboard to manage and control all aspects of a smart building. From lift to lights, boiler to blinds, room and desk services.• Working with Javascript/Typescript stack. Nodejs, React, React-Native, Redux, Postgres, Docker, Containerisation, MQTT, etc.• Production deployment to AWS: CDK, CloudFormation, ECS, CloudFormation, S3, Lambda, CloudFront, SES, SQS, RabbitMQ, Kinesis, etc.• Distribution of mobile apps to Apple AppStore and Google Play Store. Microsoft AppCenter, Test Flight, Over-the-air application updates Microsoft AppCentre, etc.• Low-level communication with hardwares. Firmware development using C language. Protocol Buffers.
- Ashley Bolser Digital AgencyAI Developer – React DeveloperJune 2018 - February 2019 (8 months)Leeds, UK• Key member of a team responsible for an application in production with well-known clients.• Used ML techniques to detect invalid reviews on platforms such as the AppStore, Google Play store, etc. and improve application ratings by removing these reviews.• Designed and developed a management dashboard in React, where internal employees with limited/no technical knowledge, could train a model, make predictions for new reviews and report them to be removed from the platform.• Used Git and Agile methodologies on a daily basis.
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Education
- BScThe University of LeedsBSc
- BScThe University of Leeds2019BSc