About our client

Our client builds a leading digital identity and fraud prevention platform used by banks, fintech companies, online marketplaces, and other regulated businesses worldwide. Their products combine biometric identity verification, document and image processing, and advanced fraud detection to help customers balance frictionless digital experiences with strong security and regulatory compliance. The company relies on AI, machine learning, and computer vision to power identity verification, mobile deposit, and liveness detection solutions used by thousands of organizations.

About the role

We are looking for a Senior Full Stack Engineer who is comfortable working across backend services in Go and modern web front ends. You will join a cross functional team that builds cloud native identity and fraud products on AWS. Your responsibilities will span from designing and implementing APIs in Go to building user facing features in modern JavaScript frameworks, ensuring secure,



high performance experiences for both internal and external users.

What will you do?

- Design, develop, and maintain backend services and APIs in Go running on AWS using microservice and or serverless patterns.
- Build responsive single page and web applications using React and Redux and integrate them with backend APIs.
- Implement clean, reusable UI components and ensure good user experience, performance, and accessibility.
- Write and maintain automated tests for both backend and frontend parts of the solution and contribute to CI and CD automation.
- Work closely with designers, product managers, QA, and other engineers to refine requirements and deliver features end to end.
- Participate in technical design and architecture discussions and help define interfaces between services and front end applications.
- Contribute to documentation of APIs, front end components, and key technical decisi

📌 Senior Fullstack Engineer (Golang) (España)
🏢 N-iX
📍 España