Backend Technical Lead, StoreFront eCommerce Platform (Total annual income $85,000)

  • Full-time
  • Hanoi, Ho Chi Minh

ABOUT THE ROLE

Join our Technology Innovations Center of Excellence (CoE) at Crossian, a fast-growing startup that achieved a milestone of $100M in 2024. 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.


WHAT YOU CAN EXPECT

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


Exceptional Compensation

  • Total annual income $85,000, reflecting your expertise and contribution.


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.

WHAT YOU WILL DO

  • System Design & Architecture:
  • Design and implement data flow based on Microservices in a Cloud-Native environment, ensuring scalability and stability.
  • Write and review technical specifications to ensure clarity, feasibility, and alignment with architectural principles and stakeholder expectations.
  • Evaluate and select suitable technologies (frameworks, tools, platforms).
  • 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.

WHAT WE ARE LOOKING FOR

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.
  • Strong backend development experience with deep expertise in:
  • Our Primary Stack: C# 10+ and .NET 8/9. You should be a master of ASP.NET Core (Minimal APIs), EF Core, LINQ.
  • The Polyglot Path: If your background is in Java (17/21, Spring Boot 3) or Go (1.21+, Concurrency/Channels), we want to talk—provided you are ready to pivot your architectural mastery into the .NET ecosystem.
  • Architectural DNA: Regardless of your primary language, you should live and breathe Microservices patterns (Saga, CQRS, Event Sourcing) and Clean Architecture.
  • Hands-on experience in system design with Microservices and Cloud-Native Computing.
  • Deep understanding of Relational database modeling & design with Postgres/MSSQL
  • Having experience in Message Queues with Kafka/RabbitMQ
  • Experience with Docker, Kubernetes, and knowledge of Event-driven Architecture.
  • English proficiency (both written and verbal).


Soft Skills:

  • Strong problem-solving skills.
  • Good communication
  • Familiarity with Agile/Scrum


Preferred Skills (but not required):

  • Document DB modeling & design with Elasticsearch
  • Object Storages with AWS S3
  • Messaging with Sendgrid, Twilio, AWS SNS,…
  • DevOps, SysOps in AWS and Git CI/CD experience
  • Experience with React.js, Vue.js, or Node.js.