Software Developer - Golang

Caliberly; Dubai; On-site; AED 250,000 - 450,000; Full time

Job summary

Caliberly is seeking a Sr Golang Developer to build and maintain a high-performance payment gateway system. The role focuses on scalable microservices, secure payment processing, and strong API design for online transactions.

The ideal candidate has 6+ years in Go, hands-on experience with payment gateways, PCI-DSS compliance, and hands-on with Docker/Kubernetes. Collaboration with DevOps, QA, and Product teams is essential.

Qualifications

• 6+ years of experience in Golang development (Core Banking).
• Experience with payment gateway development and online payments.
• Strong understanding of RESTful APIs, microservices, and SOA.
• Experience with third-party API integrations (payment processors/banks).
• Familiarity with PCI-DSS compliance and security best practices.

Responsibilities

• Design, develop, and maintain secure, scalable payment gateway applications using Golang.
• Implement and manage microservices architecture for the payment gateway platform.
• Integrate with third-party payment processors, banks, and financial institutions.
• Collaborate with cross-functional teams to define and build new features.
• Ensure PCI-DSS compliance and optimize database schemas for payment data.
• Write well-documented, testable code and troubleshoot production issues.
• Monitor and optimize system performance for high transaction volumes.

Skills

Golang development

Payment gateway systems

RESTful APIs

Microservices

Security best practices

PCI-DSS compliance

SQL/NoSQL

CI/CD pipelines

Git

Cloud platforms

Tools

Docker

Kubernetes

AWS

GCP

Azure

Job description

About the job Software Developer - Golang

Job Title: Software Developer - Golang

Job Summary:

We are looking for an Sr Golang Developer to join our team to build and maintain a high performance, scalable, and secure Payment Gateway system. The ideal candidate will have a deep understanding of Golang, experience with building microservices, and a solid foundation in payment gateway solutions including handling online payments, fraud

detection, PCI-DSS compliance, and third-party integrations.

Key Responsibilities:

Design, develop, and maintain secure, scalable, and high-performance payment gateway applications using Golang.

Implement and manage microservices architecture for the payment gateway platform.

Integrate with third-party payment processors, banks, and financial institutions for

seamless payment handling.

Collaborate with cross-functional teams (DevOps, QA, Product Management) to define

and build new features.

Ensure the system is compliant with payment industry standards such as PCI-DSS. Design and optimize database schemas for payment-related data.

Write efficient, well-documented, and testable code following industry best practices.

Troubleshoot and debug issues across the entire stack, ensuring quick resolution of any production issues.

Monitor and optimize system performance to handle large transaction volumes.

Stay up-to-date with the latest trends in the fintech payment processing space.

Qualifications & Skills:

6+ years of experience in Golang development(Core Banking).

Proven experience with payment gateway development, including knowledge of payment methods (credit cards, e-wallets, etc.) and industry standards.

Strong understanding of RESTful APIs, microservices, and service-oriented architectures

(SOA).

Experience with third-party API integrations (payment processors, banks, etc.).

Familiarity with PCI-DSS compliance and security best practices for handling sensitive payment data.

Hands-on experience with SQL/NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).

Experience with Docker, Kubernetes, or other containerization and orchestration tools.

Knowledge of cloud platforms such as AWS, Google Cloud, or Azure.

Solid understanding of version control (Git) and CI/CD pipelines.

Qualifications:

Experience with blockchain or cryptocurrency payment processing.

Experience with architecture (e.g., Kafka, RabbitMQ).