Java Developer needed (Must have API Security Product Experience)

Amtex Enterprises Inc.; Texas; Hybrid; USD 130,000 - 180,000; Part time

Job summary

Amtex Enterprises Inc. is seeking a Senior Software Engineer to design, build, and operate high-throughput Java-based API services with strong security focus.

The role involves cloud-native deployments on GCP or comparable platforms and implementing modern access management protocols. You will own services with strict reliability and SLA targets, running in a security-sensitive environment with IAM/CIAM considerations.

Qualifications

• 6+ years hands-on API development experience.
• Design, develop and maintain high-performance Java services for REST-based APIs.
• Cloud-native deployments on GCP or other public clouds.
• Develop and secure APIs using OIDC, OAuth 2.0 and SAML-based flows.

Responsibilities

• Own services with reliability, performance, and SLA commitments.
• Design, build, and operate high-throughput, low-latency platforms.
• Work in security-sensitive environments with IAM/CIAM considerations.

Skills

Java

API development

API security

REST APIs

OAuth 2.0

OIDC

SAML

Cloud-native

GCP

Job description

Job Title: Java Developer needed (Must have API Security Product Experience)
Duration: 6-12 plus months
Locations: Austin, TX or Westlake, TX or Denver/Lone Tree, CO (In that Order) – Hybrid – 4 days a week, Fridays are remote

Interview: Onsite at one of the locations listed above

We are seeking a Senior Software Engineer to design, build, and operate high-throughput, low-latency, mission-critical platforms. This role focuses on Java-based API development, cloud-native deployments (GCP or equivalent), modern access management protocols, and AI-assisted software development.
You will own services with strict reliability, performance, and availability SLAs, operating at scale in a security-sensitive environment.

• Identity (IAM – Identity and Access Management) & CIAM
• 6+ years Hands-on API development experience, including RESTful services and API security.
• Design, develop, and maintain high-performance Java services supporting REST-based APIs & having good Security SME knowledge.
• Build cloud-native, horizontally scalable services deployed on GCP and/or other public cloud platforms.
• Develop and secure APIs using OIDC, OAuth 2.0, and SAML-based authentication and authorization flows.