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описание
We are looking for a Senior Backend Engineer to join a large-scale issuer processor migration programme within the payments domain.
The role is focused on building and integrating high-volume backend systems, supporting complex platform migrations, and ensuring the reliability of business-critical services throughout the programme lifecycle.
Location
Denmark is the preferred location for this role.
задачи
Design, develop, and maintain backend services using Go/Golang
Build integrations between complex client and vendor platforms
Work with transaction processing systems, APIs, and event-driven architectures
Contribute to distributed systems and microservices-based solutions
Support technical integration activities across multiple platforms
Perform technical analysis related to migration and integration initiatives
Participate in testing throughout different stages of the migration programme
Investigate and resolve technical issues arising during integration and migration
Work in cloud-native environments using modern engineering practices
Help ensure the stability, reliability, and continuity of high-availability, business-critical systems
Collaborate closely with client, vendor, and engineering teams throughout the programme lifecycle
требования
Strong commercial experience with Go/Golang
Proven experience designing and building complex backend systems
Solid understanding of distributed systems and microservices architecture
Hands-on experience with event-driven platforms such as Kafka
Strong knowledge of API design and system integrations
Experience working on large-scale migration or integration programmes
Experience with cloud-native environments and modern engineering practices
Ability to work with high-volume, high-availability backend services
Experience troubleshooting complex technical issues across integrated systems
Strong collaboration skills and confidence working with both client and vendor teams
Card payments
Issuer processing
Banking
Fintech
Transaction switching
Payment infrastructure
Other transaction-heavy or real-time processing environments
The ideal candidate combines strong backend engineering expertise with practical experience working on complex integrations and migration programmes, particularly in environments where reliability, scalability, and continuity are critical.
