.NET Backend Technical Lead, StoreFront eCommerce Platform (Total annual compensation $85,000)

Join our Technology Innovations Center of Excellence (CoE) at Crossian, a fast-growing startup. In this dynamic role, you'll check in daily with your team to stay aligned on project goals and collaborate across our ecosystem with an Agile mindset infused with a unicorn-worthy startup culture.

We are building a cutting-edge Global eCommerce Platform, offering end-to-end solutions for:

• Storefront: Designing customizable and scalable online store systems that provide seamless shopping experiences and support dynamic business growth.
• Ads Manager: Integrating and optimizing advertising tools across platforms like Facebook, Google and more, enabling businesses to launch, track, and analyze marketing campaigns efficiently.
• Marketing Insights & CRM: Turning raw data from marketing campaigns, transactions, and user behavior into actionable insights to enhance customer engagement and drive smarter decision-making.

We’re not just about building platforms; we’re about creating a workplace where talent thrives. Here's what you’ll gain:

Exceptional Compensation

• Up to 30 months of salary per year through competitive salary packages and performance-based bonuses.
• Total annual compensation $85,000, reflecting your expertise and contribution.
• Full salary during probation & Guaranteed 13th month salary 
• 12 days work-from-home & 12 days of paid annual leave, plus seniority paid leave
• Global health insurance package for yourself and direct family members, plus annual health checkup
• A Pantry & a Crossian Cafe stocked with goodies, ready to serve
• Other company benefits including 5-star annual Summer Summit, budget for frequent team building activities and other monthly/ quarterly/ annual company events
• General company T&D Program
• Other benefits in accordance to Company's Policy and Vietnam Labor Laws

Growth Opportunities

• Hands-on exposure to cutting-edge technologies and complex system architecture in a global-scale project.
• Clear career advancement pathways and access to continuous professional development programs.

Global Vision

• Contribute to projects that redefine how brands connect with consumers globally.
• Opportunity to work on challenging problems in data analytics, customer engagement, and operational efficiency.

In addition to development tasks, you’ll collaborate closely with other CoEs to understand their unique challenges. With your technical expertise, you’ll continuously propose innovative solutions to elevate their performance and contribute to the overall success of the organization.

• System Design & Architecture:
• Design and implement data flow based on Microservices in a Cloud-Native environment, ensuring scalability and stability.
• Evaluate and select suitable technologies (frameworks, tools, platforms).
• Write and review technical specifications to ensure clarity, feasibility, and alignment with architectural principles and stakeholder expectations.
• System Deployment & Maintenance:
• Manage system deployment on AWS EKS/Kubernetes with Docker and integrate CI/CD pipelines.
• Monitor and optimize system performance, addressing any issues as they arise.
• Development & Code Review:
• Write clean, scalable, and maintainable code using .NET Core and adhere to Clean Code and SOLID principles.
• Review and approve team members' code quality, ensuring compliance with technical standards.
• Mentor, support, and train team members to achieve high performance in their roles.
• Project Management:
• Collaborate with Product Owners and stakeholders to analyze requirements, plan and manage project timelines.
• Oversee the software development process following Agile/Scrum methodologies.
• Team Collaboration & Support:
• Work closely with other teams such as Frontend, QA, and DevOps to ensure product quality.
• Provide technical support and advice for complex issues.

• Education: Bachelor’s degree in Information Technology, Computer Science, or related fields.
• Experience:
• At least 7 years of software development experience, with a minimum of 3 years in a Technical Lead or Senior Developer role.
• Proficient in backend technologies: C#, .NET Core, ASP.NET Core, Entity Framework Core, LINQ.
• Hands-on experience in system design with Microservices and Cloud-Native Computing.
• Deep understanding of Relational database modeling & design with Postgres/MSSQL
• Preferred experience with Docker, Kubernetes, and knowledge of Event-driven Architecture.
• English proficiency (both written and verbal).
• Soft Skills:
• Strong problem-solving skills.
• Excellent communication
• Familiarity with Agile/Scrum
• Preferred Skills (but not required):
• Document DB modeling & design with Elasticsearch
• Object Storages with AWS S3 Message Queues with KAFKA & Message Queue
• Messaging with Sendgrid, Twilio, AWS SNS,… Having experience in Cloud Native Computing
• DevOps, SysOps in AWS and Git CI/CD experience
• Experience with React.js, Vue.js, or Node.js.