Maintenance of Way Equipment Services

Senior .Net Developer

Maintenance of Way Equipment Services

contract

Posted on:

Origin:  • 🇨🇾 Cyprus

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Job Level

Senior

Tech Stack

DockerKubernetesMongoDB.NETNoSQLPostgresSQL

About the role

  • Build and optimize .NET backend systems for card transaction processing (issuing, acquiring, payment networks).
  • Work on core platforms handling authorization, clearing, settlement, and card lifecycle management.
  • Design and implement high-throughput REST APIs for card operations.
  • Optimize database performance (SQL/NoSQL) for transaction-heavy workloads.
  • Implement idempotency, retry logic, and reconciliation features for fault-tolerant processing.
  • Collaborate with issuing banks, payment networks (Visa/Mastercard), and third-party processors.
  • Follow PCI DSS compliance guidelines in code and infrastructure.
  • Participate in incident resolution and system monitoring for card transaction flows.
  • Work scheduled hours 9-6 UK time zone.

Requirements

  • 3+ years of backend development with .NET (C#).
  • Familiarity with Docker and Kubernetes concepts (deployments, scaling).
  • Ability to work in high-availability systems (logging, alerting, observability).
  • Understanding of CI/CD pipelines (GitLab, Teamcity).
  • Experience with SQL/NoSQL databases (SQL Server, PostgreSQL, MongoDB) and optimized query design.
  • Fluency in English.
  • Experience with Fintech or digital start-ups is a big plus.
  • Experience with AI is a big plus.
  • Working hours from 9-6 UK time zone.
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