Senior Backend Developer .NET

This role requires collaboration with the Product and Customer Support teams to understand business needs, define technical solutions, and deliver scalable, secure, and high- performing applications. You will also mentor junior team members, ensure code quality, and proactively monitor and resolve system issues. Your leadership, technical expertise, and commitment to excellence will drive the success of our projects.
YOUR MISSIONWe are looking for a highly skilled Senior .NET Developer to take ownership of critical backend services in our platform. You will lead the end- to- end development process, including solution design, architecture, implementation, performance optimization, and technical support.
OUR TECH ENVIRONMENT
Back- End

SQL Server with Entity Framework for data storage and access.
Identity Server for secure authentication and authorization.
.NET Core for building scalable microservices and RESTful APIs.

Front- End

React Native for mobile application.
ReactJS, TypeScript for Web applications.
Electron, Node.js, Angular 2+, ReactJS for desktop applications.

AWS Services

Security & Management: WAF, Route53, CloudWatch, CloudTrail, Inspector, KMS.
Identity & Code Management: Cognito, CodeArtifact.
Compute & Networking: EC2, VPC, ELB.
Storage & Databases: S3, ElasticCache, OpenSearch, Transfer Family.
Serverless & Messaging: ECS, Lambda, StepFunctions, MSK, EventBridge, SQS, SNS, SES.
APIs & Edge: API Gateway, CloudFront.

HOW YOU&039;LL MAKE AN IMPACT

Write, review, and refactor code following best practices to ensure optimal performance, security, usability, and reusability.
Effectively communicate and explain business logic, technical decisions, and solutions in your area of responsibility to stakeholders, including non- technical audiences.
Monitor system performance, proactively detect and forecast potential issues, discuss solutions, and follow up on resolutions.
Actively participate in the Product Requirements Document (PRD) discovery phase to clarify and understand business problems and objectives.
Show the ownership & responsibility.
Collaborate with the frontend team to define data models and API endpoints to serve our business needs best.
Identify, debug, and resolve complex issues, including technical support cases, and explain solutions to non- technical users.
Identify boundaries and create architectures to build robust, scalable, secure, highly available, and reliable systems.
Support and coaching for at least 2 junior members, or open a training session for members in a team, group, or company.
Define, implement, and execute unit testing.
Collaborate smoothly with other team members, cross- team, and cross- group to get things done in a timely manner with optimal solutions.
Identify impacted areas and services, define the scope of testing, and mitigate risks to prevent service degradation.
Be the owner and fully control at least one service or functional area, including solution, architect, DB, detailed design, coding, code review, deployment, monitoring, and support.
Use CI/CD best practices to deploy, monitor, detect, and forecast issues, discuss solutions, and follow up.
Be a person that others come to ask for solutions or advice.

Yêu cầu công việc

WHO WE&039;RE LOOKING FOR

Solid understanding of DDD (Domain Driven Design), EDA (Event Driven Architecture) and Microservices Architecture.
Good knowledge of infrastructure concepts (e.g., networking, servers, CI/CD pipelines, containerization, etc.).
Solid understanding of OOP principles and clean code best practices.
Proficiency in C and .NET Core framework.
Ability to understand business requirements and translate them into technical requirements.
Experience in performance optimization for Database and Back- end system.
5+ years of relevant experience (or demonstrated rapid technical growth if fewer years).
Solid understanding of the AWS cloud platform.
Experience in building a data- intensive system.
Solid understanding of designing secure and reliable RESTful APIs.
Ability to self- learn and adapt to new business and technologies quickly

Nice to have

The ability to train and coach Junior Developers.
Knowledge of e- commerce.
Intermediate English communication skills.
Experience in Security and Pentest.

Tại sao bạn sẽ yêu thích làm việc tại đây

Attractive salary package.
Opportunity to become a Team Leader/ Technical Leader.
Building large- scale SaaS for global.
Flexible working time, from Monday to Friday.
Company trip, big annual year- end party every year, team building, etc.
Prioritizing a work- life balance with the flexible work- from- home policy.
Social – Health – Insurance paid fully.
International working environment, flat and transparent organization.
Free in- house entertainment facilities, coffee, and snack.
And much more, join us and let yourself explore other fantastic things!
Healthcare: Annual health check- up, Premium Healthcare Insurance for you and your loved ones.
Various training on hot- trend technologies, best practices, and soft skills.
Work hard, rest well: Enjoy 15 days of annual leave.
Working & growing with Young, Ambitious & Talented Team.

Cập nhật gần nhất lúc: 2025-10-23 18:00:06