Tuyển dụng Senior/Principal Software Engineer Ruby on Rails, AI tại Hồ Chí Minh

Top 3 Reasons To Join Us Hybrid working; Flexible time; Macbook Pro L&D programs; 17 days off 13.7 million B2C users; 140,000+ business customer The Job

As a Product Engineer, you will drive outcomes across the team and technical system by leading design, implementation, rollout, and operational excellence. You will work primarily in our Ruby on Rails codebase to deliver product features end-to-end. We also have services written in Go and Java/Kotlin, and you may occasionally contribute fixes or improvements there when needed.

Key Responsibilities

1. Technical Leadership

• Ruby on Rails: Design, develop, and operate backend features in a Ruby on Rails and core services, with strong software engineering fundamentals and pragmatic delivery.
• API & Services: Design and evolve RESTful APIs and service boundaries with clear tradeoffs and maintainable interfaces.
• Data & Performance: Model data effectively and optimize SQL performance; identify and address bottlenecks and system inefficiencies.
• Cloud-Native Delivery: Architect and operate cloud-native applications on AWS (and related tooling) with pragmatic use of Docker/Kubernetes where appropriate.
• Operational Excellence: Improve observability (logs/metrics/traces), incident response, and post-incident learning to raise system reliability.

2. Delivery Ownership & Cross-Functional Collaboration

• End-to-end Delivery: Own delivery from problem definition through production rollout, ensuring quality and operational readiness.
• Stakeholder Collaboration: Partner with Product, Design, QA, and DevOps to clarify requirements, reduce ambiguity, and deliver outcomes aligned to business goals.
• Release Management: Plan and execute production releases, coordinate stakeholders, and continuously improve deployment safety and speed (CI/CD)

3. Engineering Excellence & Quality

• Code Quality: Set and model best practices for clean, maintainable code; lead strong code review culture.
• Testing & Automation: Increase confidence and reduce manual testing via effective automated tests and robust review processes.
• CI/CD: Operate and improve CI/CD pipelines (CircleCI/GitHub Actions or similar) to support frequent and safe delivery.
• Security & Scalability: Ensure AI-assisted speed never compromises security, privacy, scalability, or compliance requirements.

4. AI-Assisted Delivery Practices

• Rapid Iteration: Use AI to speed up prototyping and iteration (requirements exploration, code scaffolding, test generation, refactoring).
• Verification & Governance: Quickly identify flaws in AI-generated output and correct them; maintain strong human verification habits (testing, reviews, threat modeling).
• AI-Friendly Documentation: Improve the clarity of logs, runbooks, and technical documentation so both humans and AI tools can understand and operate the system effectively.

Scope & Collaboration

• Primary focus is Rails-first backend/API delivery, with pragmatic cross-functional reach (infra/observability/quality) as needed to unblock outcomes.
• You will collaborate across time zones with global stakeholders and engineering partners.

Your Skills and Experience

Required Skills & Competencies

• Experience: 5+ years of software engineering experience, including significant experience building and operating production web applications.
• Ruby on Rails: Strong proficiency with Ruby on Rails (or a strong willingness and demonstrated ability to ramp up quickly and work day-to-day in a Rails codebase).
• Distributed Systems: Experience designing and operating web services and microservices in production environments.
• Cloud: Strong hands-on experience with AWS and cloud-native development practices.
• Databases: Deep knowledge of relational databases and practical experience with data modeling and SQL performance tuning.
• Delivery Leadership: Demonstrated ability to lead projects end-to-end and coordinate releases across stakeholders.
• Collaboration: Strong communication and ability to work effectively with cross-functional teams.
• Language: Professional English proficiency for global collaboration.

Preferred Skills

• Kubernetes/EKS experience in production.
• Monitoring/logging experience (e.g., Datadog, Prometheus, Grafana, ELK).
• Message brokers/event-driven architectures (e.g., Kafka, RabbitMQ).
• Experience integrating LLM APIs into products or internal tools (prompting, async workflows, handling non-deterministic outputs).

Technology Stack

• Languages: Ruby on Rails (core), Go, Kotlin (selected services)
• Datastores: MySQL, DynamoDB, Redis
• Infrastructure: AWS (EKS, ECR, RDS, S3, SQS/SNS), Kubernetes, Docker, Terraform

Tools Used

• Communication: Slack, Notion, Zoom
• Monitoring: Datadog, Rollbar
• Source control: GitHub
• CI/CD: Argo CD, CircleCI, GitHub Actions
• Ticketing: Jira
• Security: Dependabot, SonarQube

Why You'll Love Working Here

Caring Mental & Physical Recreation: 

• Hybrid working
• Full salary in probation & 13th month salary
• Social insurance on full salary from probation
• Premium Health insurance from probation
• Flexible start 8AM-9AM from Mon-Fri
• 16 days off annually + 1 Birthday Leave 
• Paternity leave extra 5 days 
• Annual company trip; Quarterly team building activities
• Club activities
• Annual health check

Caring Career & Development: 

• Clear Career path
• Foreign language & International technology-related certifications sponsoring
• Well-equipped facility: Macbook pro,  additional monitor,..
• Soft skill workshops
• Tech seminars
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