Remote Senior Go IAM Architect - Auth & Access Leader

EMCD; Hong Kong; Remote; HKD 1,177,000 - 1,648,000; Full time

Benefits offered by this job

Fully remote work

Flexible working hours

20 vacation days + 12 bonus days

Paid sick leave

Paid English lessons

Training support

Technical ownership of IAM domain

Job summary

EMCD is seeking a Senior Go Developer to own the IAM services behind authentication, registration, MFA, identity, and user access across EMCD products. The role blends hands-on backend work with technical ownership of the IAM domain, including Keycloak infrastructure and legacy Go services.

You will collaborate with CISO, Compliance, Support, and product teams across Coinhold, Mining, and Backoffice to improve IAM while reducing technical debt.

Qualifications

• 4+ years of production Go development experience.
• Deep knowledge of OAuth 2.0 and OpenID Connect at protocol level.
• Production experience with Keycloak: realms, clients, flows, and identity brokering.
• Strong MFA knowledge: TOTP, SMS/email OTP, push, passkeys/WebAuthn.
• Experience with hexagonal architecture and integration testing.

Responsibilities

• Own the architecture of the IAM domain, including Keycloak-based infra and legacy Go services.
• Document architectural decisions with ADRs.
• Break down initiatives into tasks, estimate delivery, and own milestones.
• Review code and mentor engineers in the team.
• Own production reliability for authentication and registration flows.

Skills

Go backend

OAuth 2.0 & OIDC

MFA

Hexagonal architecture

Code review & mentoring

Tools

Keycloak

Echo

pgx

Redis

Kafka

gRPC

protobuf

OpenTelemetry

Job description

EMCD is seeking a Senior Go Developer to own the IAM services behind authentication, registration, MFA, identity, and user access across EMCD products. The role blends hands-on backend work with technical ownership of the IAM domain, including Keycloak infrastructure and legacy Go services.

You will collaborate with CISO, Compliance, Support, and product teams across Coinhold, Mining, and Backoffice to improve IAM while reducing technical debt.