Backend Developer

Top 3 Reasons To Join Us International working environment Full-salary in probation time + Premium Healthcare Flexible working time + Training on hot-trend tech The Job Our Tech Environment Back-End .NET Core for building scalable microservices and RESTful APIs. SQL Server with Entity Framework for data storage and access. Identity Server for secure authentication and authorization. Front-End ReactJS, TypeScript for Web applications. Electron, Node.js, Angular 2+, ReactJS for desktop applications. React Native for mobile application. AWS Services Compute & Networking: EC2, VPC, ELB. Storage & Databases: S3, ElasticCache, OpenSearch, Transfer Family. Serverless & Messaging: ECS, Lambda, StepFunctions, MSK, EventBridge, SQS, SNS, SES. Security & Management: WAF, Route53, CloudWatch, CloudTrail, Inspector, KMS. APIs & Edge: API Gateway, CloudFront. Identity & Code Management: Cognito, CodeArtifact. How You'll Make an Impact 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. Actively participate in the Product Requirements Document (PRD) discovery phase to clarify and understand business problems and objectives. Identify boundaries and create architectures to build robust, scalable, secure, highly available, and reliable systems. Collaborate with the frontend team to define data models and API endpoints to serve our business needs best. Identify impacted areas and services, define the scope of testing, and mitigate risks to prevent service degradation. Write, review, and refactor code following best practices to ensure optimal performance, security, usability, and reusability. Define, implement, and execute unit testing. Use CI/CD best practices to deploy, monitor, detect, and forecast issues, discuss solutions, and follow up. 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. Identify, debug, and resolve complex issues, including technical support cases, and explain solutions to non-technical users. Support and coaching for at least 2 junior members, or open a training session for members in a team, group, or company. Collaborate smoothly with other team members, cross-team, and cross-group to get things done in a timely manner with optimal solutions. Be a person that others come to ask for solutions or advice. Show the ownership & responsibility. Your Skills and Experience Who We’re Looking For 2+ years of relevant experience (or demonstrated rapid technical growth if fewer years). Proficiency in C# and .NET Core framework. Solid understanding of OOP principles, design patterns, and clean code best practices. Familiar with relational databases such as SQL Server. Solid understanding of designing secure and reliable RESTful APIs. Solid understanding of DDD (Domain Driven Design), EDA (Event Driven Architecture) and Microservices Architecture. Be familiar with the AWS cloud platform. Ability to understand business requirements and translate them into technical requirements. Ability to use AI in your daily jobs. Ability to self-learn and adapt to new business and technologies quickly. Nice to have: Good knowledge of infrastructure concepts (e.g., networking, servers, CI/CD pipelines, containerization, etc.). Experience in performance optimization for Database and Back-end system. Experience in building a data-intensive system. Experience in Security and Pentest. Knowledge of e-commerce. Intermediate English communication skills. Why You'll Love Working Here Attractive salary package Flexible working time, from Monday to Friday. Prioritizing a work-life balance with the flexible work-from-home policy. Work hard, rest well: Enjoy 15 days of annual leave. Fully equipped with necessary work devices and AI tool accounts. Healthcare: Annual health check-up, Premium Healthcare Insurance for you and your loved ones. Social – Health – Insurance paid fully. Building large-scale SaaS for the global. International working environment, flat and transparent organization. Various training on hot-trend technologies, best practices, and soft skills. Working & growing with Young, Ambitious & Talented Team. Free in-house entertainment facilities, coffee, and snacks. Company trip, big annual year-end party every year, team building, etc. And much more, join us and let yourself explore other fantastic things!