Senior Backend Developer
Available NowQuick Facts
Agile Project Management Certificate (PMI-ACP)
AWS Certified Solutions Architect – Professional
Microsoft Certified Azure Solutions Architect Expert
TOEIC 850 Listening & Reading
Need this talent for your team?
Expert AE01 is ready to start full-time on your next project within 48 hours. Get in TouchEXPLORE MORE
Summary
6 years of specialized experience in designing and developing server-side system architectures for large-scale platforms. Strong expertise in building Microservices and Event-Driven architectures using .NET Core and Node.js, ensuring high availability and flexible scalability.
Proficient in advanced database optimization, multi-layer caching strategies, and developing high-performance gRPC/RESTful APIs. Hands-on experience orchestrating systems with Docker and Kubernetes and implementing rigorous system security strategies.
Experienced in providing technical leadership, standardizing development processes, and optimizing infrastructure costs to support long-term business objectives.
Core Tech Stack
Detailed Technical Skills
Programming Languages & Frameworks
- C#
- .NET 8
- JavaScript / TypeScript
- Node.js
- Entity Framework Core
- Go
- Python
System Architecture & Design Patterns
- Microservices
- Domain-Driven Design (DDD)
- Clean Architecture
- CQRS
- Event-Driven Architecture
Database, Caching & Messaging
- SQL Server (Performance Tuning)
- PostgreSQL
- Redis
- MongoDB
- Apache Kafka
- RabbitMQ
Cloud, DevOps & Infrastructure
- Docker
- Kubernetes
- Amazon EKS
- Azure AKS
- CI/CD
- GitHub Actions
- OAuth 2.0 / OpenID Connect
Professional Experience
Financial Transaction & E-Wallet System – Singapore
Senior Backend Developer, June 2023 – Present
Designed the Microservices architecture for a .NET 8-based platform processing millions of transactions per day. Implemented Kafka for asynchronous data streaming to ensure data consistency and integrity.
Optimized database performance and Redis caching, reducing system response latency to below 100ms while maintaining a high availability target of 99.99% SLA.
Global E-commerce Platform – Vietnam
Senior Backend Developer, February 2021 – May 2023
Led the technical team in developing a multinational logistics, inventory management, and order processing system using Node.js.
Established a fully automated CI/CD process with integrated load testing and automated security vulnerability scanning. Directly addressed system bottlenecks during peak shopping periods and implemented cloud infrastructure cost optimization strategies.
Transportation & Logistics Management System – Vietnam
Backend Developer, January 2020 – January 2021
Developed real-time transportation dispatching logic and integrated route optimization algorithms.
Successfully migrated the legacy system to a containerized architecture using Docker, accelerating deployment processes and improving environment consistency and operational stability.
Developed API security standards and provided technical training to Junior developers within the project.
Enterprise Resource Planning (ERP) System – Vietnam
Backend Developer (Junior/Mid), April 2019 – December 2019
Developed financial management and tax reporting modules using ASP.NET Core. Standardized data structures and optimized large-scale data export processes to improve application performance.
Supported server infrastructure setup and configuration of basic network security layers.
Frequently Asked Questions
Find answers to common questions about our staffing process.-
How quickly can my project get started?
Within 24 hours, you will receive candidate profiles and a detailed quotation. Once the interviews and selection process are completed, the team can typically start within 7 business days.
-
What is the minimum engagement period?
The standard minimum contract period is 3 months to ensure project effectiveness. However, the contract duration can be adjusted flexibly based on each project phase and requirements.
-
What is Aegona’s developer selection process?
Candidates go through a 4-step selection process: technical skills assessment, direct interview with our experts, English communication assessment, and practical work skills evaluation.
-
If the personnel is not a good fit after starting, can I change them?
Yes. If a team member does not meet your expectations, Aegona will support you in replacing them with an equivalent resource upon request.
-
How are information security and intellectual property rights committed?
Yes. An NDA is signed for every project. Clients retain 100% ownership of the source code and intellectual property created for their project.
-
How do Aegona's developers communicate in English?
100% of our professionals working on international projects have strong English communication skills for technical and project-related communication.