Backend Engineer (Golang - Middle/Senior Level)

Top 3 reasons to join us

• Dynamic and supportive working environment
• Opportunities to work on high-complexity technical
• High ownership, real impact.

Job description

We are looking for a Golang Backend Developer to join our team in building a Security Platform and Identity Provider (IdP) solution. You will work on modern authentication mechanisms such as OAuth2, OpenID Connect, JWT, SSO, and MFA, while developing scalable and high-performance backend services..

• Current focused projects: 
  • Identity Platform (started)
  • End-to-end Encryption Storage (started)
  • AI-Powered Solutions for Enterprise
• Position: team member
• Open level: from Middle to Principal level
• Work location (select 1 of 2 options below):
  • In Vietnam: 112 Ly Chinh Thang, Xuan Hoa Ward, HCMC
  • On-site in Dubai: extremely high benefits, all living costs covered by allowance (accommodation, meals on working days, transportation)
• Working hours:
  • 9:00 - 18:00
  • Monday to Friday
  • Full-time at the office, NO hybrid & NO remote

Responsibilities

Backend Development

• Design, develop, and maintain microservices using Golang.
• Implement authentication & authorization modules:
  • OAuth2, OpenID Connect, JWT, token lifecycle management.
  • Single Sign-On (SSO), MFA (TOTP/SMS/Email).
  • User identity management, account federation.
• Integrate and develop Identity Provider (IdP) components.

Data & System Integration

• Design and optimize MongoDB schemas and queries.
• Use Redis for caching, session storage, rate limiting, and distributed locking.
• Work with Kafka for event-driven architecture, message streaming, and high-throughput data processing.

Security & Quality

• Apply security standards such as OWASP ASVS and OWASP Top 10.
• Implement secure data handling, encryption, and system hardening.
• Conduct code reviews and ensure high performance, reliability, and scalability.

Infrastructure

• Deploy and maintain services using Docker and CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins).
• Implement logging and monitoring solutions using ELK, Prometheus, Grafana.

Your skills and experience

Must Have

• 2–5 years of experience in Golang backend development.
• Strong understanding of:
  • Goroutines, channels, concurrency patterns.
  • RESTful APIs and/or gRPC.
• Hands-on experience with:
  • MongoDB (schema design, indexing, performance tuning).
  • Redis (caching, session store, distributed lock).
  • Kafka (consumer/producer, partitions, consumer groups).
• Solid knowledge of:
  • OAuth2, OpenID Connect, JWT (mandatory).
• Strong understanding of backend security:
  • CSRF, XSS, NoSQL Injection, secure coding practices.

Nice to Have

• Experience with IdP solutions such as:
  • Keycloak, Auth0, Okta, FusionAuth.
• Knowledge of:
  • SAML2, LDAP, SCIM.
  • Distributed systems, high-performance architecture.
• Experience working on large-scale microservices systems.

Soft Skills

• Strong analytical and problem-solving skills.
• Ability to communicate clearly and work effectively in a team.
• Proactive, responsible, and eager to learn.
• Interest in security and identity management technologies.

Why you'll love working here

• Annual Leave: 12 days/year
• 13th-month salary
• Performance / Project-based Bonus
• Salary review: once per year
• Social insurance: based on full gross salary
• Company-provided laptop (MacBook Pro or MacBook Air M4 – based on position) and external monitor
• Technical skill development support (Udemy / Coursera courses)
• Monthly team bonding activities
• Free coffee and snacks
• Working hours: 9:00 AM – 6:00 PM, Monday to Friday
• Working mode: 100% onsite at the office (No hybrid, no remote)