Ioan Siran

Backend Development:

• Designed and implemented microservices using Go and Java, deploying with AWS Lambda for a serverless architecture.
• Developed reports and exports feature for widgets.
• Created a settings service for enabling anomaly detection.

Frontend Development:

• Led the development of the entire frontend feature for a smart building monitoring platform, including visualization of anomalies and creation of detection rules using Angular.
• Architected exporting feature and increased download speed from 10s to almost instant
• Enhanced user interfaces to improve user experience and engagement.

Mentoring and Leadership:

• Mentored junior and mid-level developers on best practices in code quality, maintainability, and testability.
• Managed critical repositories, ensuring security compliance and system integration.
• Established effective communication processes within the team, improving project delivery timelines.

FinTech Project (July 2022 - Present):

• Developed alerting feature for FinTech company, improving system monitoring and real-time notifications.

Backend and Frontend Integration:

• Implemented backend services using Go and SQL, ensuring high performance and scalability.
• Built frontend interface with React, providing intuitive controls and real-time data visualization.

Impact:

Enhanced system response times by 25%, which enabled customers to make critical business decisions faster.

Full-Stack Development:

• Provided solutions for startups and established businesses worldwide.
• Designed and built backend systems using Java, Go, and Node.js.
• Developed custom APIs and microservice architectures for scalability.
• Implemented database solutions with PostgreSQL and MongoDB.

Project Highlights:

• Developed custom CMS web applications in Java and Go with optimized UIs in Angular, improving SEO performance from 30% to over 85% and reducing page load times by over 50%.
• Built a scheduling appointment monitoring module integrated with various CMS platforms, increasing appointment attendance by 50%.
• Created lead generation tools using Python and Angular to increase CTR by 60% and response rates of 10%, outperforming industry averages.

Backend Development:

• Implemented Go services for KYB (Know Your Business) processes to be utilized by both web and mobile applications.

Frontend Development:

• Architected and developed the initial structure and basic functionality of the React Native app.
• Re-architected the KYB approval interface in the React web application, enhancing usability and efficiency.

Optimization and Collaboration:

• Refactored base libraries for multi-team usage, promoting code reuse and consistency.
• Improved the user onboarding flow, reducing time to first transaction by 20%.

Backend Development:

• Collaborated with large FinTech company to develop Kotlin / Java services supporting new mobile application.
• Implemented microservices and APIs to handle high-volume financial transactions.
• Optimized backend systems for performance and scalability.

Frontend Development:

• Developed cross-platform mobile application using React Native.
  Integrated backend services with mobile app, ensuring seamless user experience.
• Created several iOS and Android widgets and native features to provide up-to-date information to user.

DevOps & Support:

• Managed CI/CD pipelines and deployment processes.
• Worked closely with cross-functional teams to align technical solutions with business objectives.
• Assisted in mentoring team members and onboarding new developers.