Full Time

Engineer — Payment Security & Transaction Infrastructure

  • Remote
  • Specialism : Engineer, Payments
  • Post Date: August 24, 2026
  • Expires In : 91 Days
  • Apply Before: November 24, 2026
Job Overview

Engineer — Payment Security & Transaction Infrastructure

Location: Doha, Qatar
Seniority Level: Senior / Principal Engineering Track
Employment Type: Full-time, Permanent
Industry: Fintech, Payments, Cybersecurity, Digital Financial Infrastructure
Work Model: Remote-first with periodic technical collaboration

Engineering Challenge

Modern payment platforms must process enormous transaction volumes while maintaining security, availability, low latency, data integrity, and fault tolerance.

We are looking for a highly capable engineer to design and strengthen the technical infrastructure responsible for secure payment processing and transaction orchestration.

Responsibilities

  • Design and implement secure transaction-processing services.

  • Develop highly available payment APIs and backend services.

  • Engineer systems capable of handling high-volume, low-latency transaction workloads.

  • Implement authentication, authorisation, encryption, tokenisation, and secure-service communication.

  • Develop controls for detecting transaction anomalies and technical abuse.

  • Build resilient integrations with banks, payment processors, merchants, and financial platforms.

  • Conduct performance testing and capacity planning.

  • Diagnose production incidents and perform root-cause analysis.

  • Improve observability through logging, tracing, metrics, and automated alerting.

  • Collaborate with cybersecurity specialists on application and infrastructure security.

  • Participate in architecture reviews and technical design sessions.

  • Develop automated testing and continuous-delivery pipelines.

  • Contribute to disaster-recovery and high-availability engineering strategies.

Technical Requirements

  • 5–9 years of professional software or infrastructure engineering experience.

  • Strong programming experience in Java, Python, Go, C#, or comparable languages.

  • Strong knowledge of REST APIs, microservices, distributed systems, and databases.

  • Experience with cloud platforms and containerised environments.

  • Understanding of payment processing and financial transaction architectures.

  • Knowledge of secure software-development practices.

  • Experience with CI/CD, observability, automated testing, and production operations.

Desirable Expertise

Payment Gateways | Tokenisation | Distributed Systems | API Security | Cloud Engineering | Kubernetes | Event Streaming | Transaction Processing

Indicative Compensation

QAR 30,000–45,000 monthly + benefits, dependent on technical expertise and seniority.

Engineering Objective

The successful Engineer will help create payment infrastructure that is secure by design, resilient under extreme transaction loads, observable in real time, and engineered for continuous availability.

Are you excited about this opportunity?

Don’t miss the chance to make a difference in the fintech and FX industry!

 Apply now by clicking on the “Apply Now” button below. 

Let’s shape the future of finance together!

#EmploySolutionJobs #FXCareers.

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