Sina Vosoughi

● Delivered short-term engineering projects involving backend automation and LLM-integrated workflows.
● Built API-driven orchestration pipelines integrating external AI services and automation agents.
● Evaluated AI-generated backend implementations through structured comparisons focusing on correctness, scalability, and
maintainability.
● Applied AI-assisted development tools (Claude, Codex, Gemini, Cursor) to accelerate backend prototyping and debugging workflows.

● Lead the decomposition of a big monolithic service into containerized microservices using AWS ECS, Fargate, and SQS.
● Designed and developed Node services and React application in AWS from scratch, including setting up VPC, IAM Configurations,
CI/CD pipelines, and CloudFormation templates, while implementing monitoring and alarms using CloudWatch.
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Engage in prioritizing the backlog, identifying technical debts, and code documentation, conducting code reviews, and mentoring
junior developers.
● Served as Scrum Master, enhancing team efficiency through Agile best practices, retrospectives, and technology review sessions.
Tech Stack: Node.js, NestJS, SQS, ECS, Fargate, CDK, Step Functions, TDD, Agile/Scrum, CodePipeline, React, GraphQL.

Cult is a software company based in Romania.
● Implement, refactor, test, deploy, and maintain server applications based on customer needs.
● Developed serverless microservices using TypeScript, AWS Lambda, and DynamoDB, improving system flexibility and reducing
operational costs.
● Ensured code coverage of over 90% with comprehensive testing. Actively engaged in code documentation and code reviews.
Provided mentoring to junior developers.
Tech Stack: Node.js, NestJS, React, Redux, EC2, CloudFormation, Lambda, Serverless Framework, GitHub Actions, TDD, DDD

Snapp is the leading ride-hailing and on-demand delivery app in the Middle East. It serves over five million rides
daily and has over 60 million customers.
● Implemented event-driven architecture to integrate heavy-load services using NATS-Streaming, Protocol Buffers, and built and
deployed cloud-native backend servers on OpenShift K8s.
● Applied software engineering expertise in developing product features through the software lifecycle, from requirements definition
through successful deployment.
● Enhanced service scalability by building monitoring dashboards and alerts with New Relic, Grafana, Prometheus, and Kibana,
ensuring stable performance under millions of daily requests.
Tech Stack: Node.js, Java, Go, Kafka, PostgreSQL, Redis, Kubernetes, New Relic, Grafana, Prometheus, Kibana, Event-Driven

Classino is the most prominent institute in Iran for preparing students for their pre-university exams.
● Monitored, debugged, and optimized backend infrastructure to handle over 20,000+ concurrent users across multiple classes.
● Migrated backend APIs to GraphQL, enhancing data fetching efficiency, reducing redundant requests, and improving overall system
performance, especially in the mobile apps.
● Built an Elasticsearch module for document indexing and full-text search, enhancing retrieval efficiency.
Tech Stack: Node.js, Python, Express, PostgreSQL, MongoDB, ElasticSearch, WebSockets, GraphQL, Jest, Linux, GitLab CI/CD