Senior Backend Developer

Your role & responsibilities

• Design and implement backend services in Golang, focusing on concurrency, performance, and reliability.
• Develop components that integrate WireGuard protocol for secure communication and advanced networking.
• Build APIs and services for real-time workloads and secure data flows.
• Use Redis for caching, session management, distributed coordination, and Pub/Sub messaging.
• Build streaming and data processing pipelines with Kafka to support real-time events and analytics.
• Deploy and operate services on AWS (EKS, EC2, ElastiCache, MSK) and on-prem Kubernetes clusters.
• Contribute to infrastructure automation using Terraform, Ansible, and CI/CD pipelines.
• Implement monitoring and observability with Prometheus, Grafana, and OpenTelemetry.
• Write clean, maintainable, and testable code with automated unit and integration tests.
• Conduct performance benchmarking, profiling, and optimization for low-latency, high-throughput systems.
• Participate in load testing, failover simulations, and incident response improvements.
• Work closely with Tech Leads, and DevOps engineers to deliver end-to-end solutions.
• Participate in code reviews, design discussions, and contribute to improving engineering standards.

Your skills & qualifications

Must-Have

• Strong proficiency in Golang (concurrency, networking, memory management, performance tuning).
• Hands-on experience with WireGuard protocol or similar secure networking technologies.
• Proficiency with Redis (cache strategies, Pub/Sub, clustering).
• Solid understanding of Kafka (consumer groups, partitions, streaming pipelines).
• Experience with Kubernetes (EKS, on-prem clusters), containers, and microservices.
• Strong working knowledge of AWS services (VPC, EC2, IAM, CloudWatch, MSK, ElastiCache).
• Experience in building high-concurrency systems with focus on throughput and low latency.
• Familiarity with CI/CD pipelines and infrastructure as code (Terraform, Ansible).

Nice-to-Have

• Knowledge of Linux networking (iptables, nftables, routing).
• Experience with additional messaging systems (RabbitMQ, NATS).
• Familiarity with distributed tracing and debugging in large systems.
• Security-focused development (TLS/mTLS, secrets management, cryptography).

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience.
• 4+ years of backend engineering experience, with at least 2+ years in Golang.

Benefits for you

• Competitive Salary: Attractive compensation package, negotiable based on your skills and experience.
• MacBook Provided: Each employee is equipped with a high-quality MacBook for work.
• Weekends Off (Saturday & Sunday): Ensuring a healthy work–life balance.
• Full Benefits Package: Social insurance and other benefits in accordance with Vietnamese labor law.
• Growth Opportunities: Work in a dynamic and flexible startup environment with strong career development potential.
• Clear Career Path: As a fast-growing startup, you will have opportunities to take on managerial roles or lead teams in a short time once you demonstrate your capabilities.