Senior Payments Backend Engineer - High-Concurrency Infra

Inallmedia.com; United States; Remote; USD 110,000 - 170,000; Full time

Job summary

Inallmedia.com is a global technology and design firm delivering impactful digital solutions through remote, distributed teams. They partner with international clients across industries, offering long-term technical expertise, product innovation, and team augmentation.

The backend role sits inside the Payments Infrastructure team, building scalable flows in Java, Kotlin, and Python, managing APIs and microservices, and modernizing legacy components for a high-traffic enterprise platform.

Qualifications

• 3+ years backend experience in payments/fintech domain.
• Strong Java proficiency plus Kotlin and Python; microservices, MySQL, REST/GraphQL, and testing.
• Fast ramp-up and autonomous execution in distributed teams.

Responsibilities

• Implement scalable payment flows in Java, Kotlin, and Python.
• Manage APIs, microservices, event-driven systems, and technical debt.
• Use GitLab CI/CD and Agile practices; triage production incidents and produce documentation.

Skills

Java

Kotlin

Python

Microservices

MySQL

REST/GraphQL

Testing

Distributed systems

Tools

GitLab CI/CD

Job description

Inallmedia.com is a global technology and design firm delivering impactful digital solutions through remote, distributed teams. They partner with international clients across industries, offering long-term technical expertise, product innovation, and team augmentation.

The backend role sits inside the Payments Infrastructure team, building scalable flows in Java, Kotlin, and Python, managing APIs and microservices, and modernizing legacy components for a high-traffic enterprise platform.