Senior Go Engineer (6 month project)

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.

Denmark is the preferred location for this role.

About Intetics

Senior Go Engineer (6 month project)

Intetics · Denmark (Remote) · — · Posted 2026-10-26

Responsibilities

• 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

Requirements

• 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
• Relevant domain experience
• Card payments
• Issuer processing
• Banking
• 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.

Preferred

• Experience in any of the following areas would be highly valuable:

What we're looking for

Fintech