Software Engineer - Backend Developer

Hamad  is a passionate software engineer with over 5 years of professional experience in backend development, especially working with Node.js and cloud-based architectures. He has extensive experience in optimizing APIs, building scalable microservices and implementing real-time data solutions using AWS. Hamad is looking for new challenges to further deepen his skills in innovative projects and continue his professional development.

Professional experience

• Software Engineer at Deline Media (June 2020 - September 2024, Lahore, Pakistan):
  • Development of a scalable authentication service with Node.js, which serves as an API gateway for EHR modules and is automatically scaled via AWS ECS and Docker.
  • Optimization of REST endpoints, improving API response times by four times and increasing user experience by 22.2%.
  • Implemented Change Data Capture (CDC) using AWS DMS and Kafka to synchronize data in real-time, resulting in an increase in revenue of 4%.
  • Developed an e-billing module that reduced manual processing time by 85% and reduced invoice submission time by 60%.
• Junior Software Engineer at QuickBills MD (January 2019 - May 2020, Lahore, Pakistan):
  • Development of registration and login systems with Express.js and JWT to ensure secure authentication.
  • Working with a team of 7 to develop core functionality for an EHR product.
  • Implemented CI/CD pipelines with GitHub and serverless framework, reducing deployment downtime by 20%.

Education

• Master's in Computer Science (ongoing), Northumbria University, London, UK.
• Bachelor's in Computer Science (2018 - 2022), Virtual University of Pakistan, Lahore, Pakistan.

Technical skills

• Programming languagesJavaScript (ES6), TypeScript.
• FrameworksNode.js, Express.js, NestJS, React.js.
• DatabasesMySQL, MongoDB, DynamoDB, PostgreSQL, Redis.
• Cloud servicesAWS (Lambda, ECS, RDS, DMS, S3).
• CI/CDGitHub Actions, Serverless Framework, Docker.
• APIsRESTful API design, GraphQL.
• TestingChai, Mocha, Jest.
• OtherKafka, microservices architecture, Socket.io.

Projects

• Authentication Service Backend (Ovada):
  • Development of a robust authentication service with Express.js and JWT that acts as an API gateway and uses Redis caching to increase efficiency.
• Patient Management Backend (Ovada):
  • Development of a patient data management module with over 80 RESTful APIs to integrate iOS and web applications.
• EDI Health Claim Transactions (Ovada):
  • Developed an advanced e-billing module using TypeScript and MySQL that reduced EDI transaction processing overhead by 60%.
• Data Warehouse Backend (Ovada):
  • Implemented a real-time ETL service with AWS DMS and Kafka that helped increase revenue through real-time analytics.

Language skills

• EnglishFluent.
• Urdu: Mother tongue.

Strengths

• Microservices architecture: Profound experience in the development of scalable and modular microservices that can support several million users.
• Cloud technologiesExtensive knowledge of AWS services, including Lambda, ECS and S3, for scalable and efficient deployments.
• Team leadership and mentoringExperience in the guidance and supervision of junior developers.

Suitability for the German job market - Backend Developer Hamad

Backend Developer Hamad is a strong candidate for the German IT market due to his in-depth knowledge of backend development, microservices architecture and his extensive experience with cloud technologies such as AWS. His expertise in optimizing systems and working on real-time data solutions makes him a valuable addition for companies looking for innovative and scalable backend solutions.

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