Senior Go Engineer (6 month project)

Intetics Inc.; United States; Remote; USD 110,000 - 180,000; Full time

Job summary

Intetics Inc. seeks a Senior Backend Engineer to join a large-scale issuer processor migration programme in the payments domain. You will design, build, and integrate high-volume backend systems, ensuring reliability during migrations and across the programme lifecycle.

The role emphasizes Go/Golang, distributed systems, API design, and collaboration with client and vendor teams, in cloud-native environments and high-availability contexts.

Qualifications

• Go/Golang development experience in production systems
• Experience designing and building complex backend systems
• Solid understanding of distributed systems and microservices
• 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 with clients and vendor teams

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 systems
• Collaborate closely with client, vendor, and engineering teams throughout the programme lifecycle

Skills

Go/Golang

Backend design

Distributed systems

Kafka event-driven

API design

Migration/integration projects

Cloud-native

High-availability

Troubleshooting

Client/vendor collaboration

Job description

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.

What you’ll be working on

• 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

What we’re looking for

• 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

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

• 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.