Staff Backend Engineer: Platform & Identity

Ajaib; United States; Remote; USD 36,000 - 54,000; Full time

Benefits offered by this job

Performance Bonus

Private Insurance

Paid Time Off

Learning & Development

Hybrid Work Arrangement

Career Growth

Employee Perks

Collaborative & High-Ownership Culture

Job summary

Ajaib is a fast-growing Indonesian fintech transforming retail finance with a fully remote team spanning multiple regions. As a Staff Engineer (Backend) in Platform, you will define the technical direction for shared foundations–identity, core services, APIs, observability, and developer tooling.

You will lead cross-team architecture, set API standards, own security and reliability, and mentor senior engineers while staying hands-on where it matters.

Qualifications

• Bachelor's or Master's in CS or related field.
• 8+ years of software engineering; proven platform/shared services exp.
• Proficient in Java or Go; strong backend & system design skills.
• Deep knowledge of microservices, multi-tenant design, observability.
• Security focus: OAuth2, OIDC, JWT, mTLS; Keycloak/Ory knowledge.

Responsibilities

• Define the technical direction and architecture for platform systems.
• Lead scalable, secure, multi-tenant services and review designs.
• Set API/contract standards, versioning, backward compatibility, docs.
• Lead identity/auth: authentication, authorization, token handling, service security.
• Design for reliability: SLOs, rate limiting, disaster recovery.
• Build golden paths: templates, libraries, CI/CD, observability.
• Execute zero-downtime migrations; Strangler pattern usage.
• Identify risks; weigh trade-offs for business/regulatory needs.
• Lead investigations and drive production fixes and improvements.
• Mentor engineers and grow technical leadership across teams.

Skills

Java

Go

Microservices

Kubernetes

OAuth2/OIDC

Kafka

Education

Bachelor's degree in Computer Science

Master's degree in CS

Tools

Keycloak

Ory Stack

Kafka

Redis

Kubernetes

Job description

Ajaib is a fast-growing Indonesian fintech transforming retail finance with a fully remote team spanning multiple regions. As a Staff Engineer (Backend) in Platform, you will define the technical direction for shared foundations–identity, core services, APIs, observability, and developer tooling.

You will lead cross-team architecture, set API standards, own security and reliability, and mentor senior engineers while staying hands-on where it matters.