.NET Developer (Middle, Senior)

Job Description
Design software architecture and lead technical initiatives for lending platform solutions
Actively code and deliver features (70% hands-on development)
Research new technologies and drive innovation across the organization (30%)
Lead, mentor, and provide technical guidance to development team members
Collaborate directly with US-based Product Owners and engineering leadership
Drive migration from monolithic systems to microservices/event-driven architecture
Establish and maintain SDLC standards and best practices
Participate in daily standups, weekly demos, and design sessions with US team
Proactively identify risks and communicate project status to stakeholders
Job Requirements
MUST HAVE
At least 4 years of experience in software development, specializing in C# and .NET technologies.
Strong expertise in ASP.NET Core, .NET 6/8+, Web API, and Microservices / Event-Driven architecture.
Solid experience with relational databases (PostgreSQL or SQL Server), EF Core, and performance-optimized data access.
Practical experience with cloud platforms (AWS or Azure), including serverless services (e.g., AWS Lambda, Azure Functions).
Hands-on experience working on software products or systems in financial domains, such as banking, payments, lending, wealth management, accounting, or similar areas.
Good understanding of data integrity in transactional systems: database transactions, idempotency, retry handling, and correct handling of monetary/decimal values.
Strong understanding of SOLID principles, Design Patterns, and Domain-Driven Design (DDD).
Experience with unit testing and integration testing, and familiarity with TDD.
Ability to work from detailed technical specifications and contribute to technical design and estimation.
Excellent problem-solving skills with strong ownership and accountability.
Fluent English communication, able to work directly with US or Australian based teams.
NICE TO HAVE
Experience with messaging and orchestration services (e.g., SQS/SNS, EventBridge, Step Functions, RabbitMQ, Service Bus).
Exposure to NoSQL databases (e.g., DynamoDB, CosmosDB, MongoDB) and caching strategies.
Experience building rule engines, workflow engines, or configuration-driven / metadata-driven systems.
Familiarity with event sourcing, CQRS, audit trails, or batch processing of large datasets.
Experience integrating third-party financial APIs or data providers.
Familiarity with modern frontend frameworks (React, Angular), including data grids and charting libraries.
Understanding of DevOps practices: CI/CD pipelines, Infrastructure as Code (CDK, Terraform), containers, and system observability (logging, monitoring, tracing).
Awareness of security best practices for sensitive data and authentication/authorization standards (JWT, OAuth2, OpenID Connect).
Benefits
Competitive Salary and Brilliant Health Benefits
Attractive salary (13th-month salary, salary review twice/year) and project bonus
Bonus programs for candidate referral, technical article writing
Allowance for sickness, maternity, paternity and periodic health examination
PVI health care program
The staff of the quarter and year reward
Progressive and Fun Working Environment
A professional English-speaking working environment with Agile - Scrum model
Hybrid Working Model: Flexible working time and WFH support.
Surrounded with friendly, open-minded, young and supportive colleagues
Annual company trip and regular team-building parties, party celebration (Christmas, Birthday, Mid-autumn,...), Sports clubs (football, badminton, swimming ...)
Valuable Training
Sponsor examination fee for professional certificates (AWS, Azure, IELTS, PMP, Scrum Master,...)
Sponsor fee for joining any technical training sessions and courses.
Free English workshops