The name of the project(s): Haiven.gg digital game distribution platform
At what stage of the project(s)? mid-Alpha; We are hiring an experienced Backend Engineer to join our talented team and help build and scale our digital distribution and communications platform. You will focus on designing, building, and maintaining backend services in Go (including REST APIs), WebSocket-driven real-time systems, database modeling, and cloud infrastructure on AWS. You will also contribute to frontend features using SolidJS and JavaScript when needed, ensuring seamless integration between the client and server. We're building real-time chat and direct messaging, community social hubs, developer studios, a virtual economy with on-chain payment processing, an AI-powered trust and safety engine - all backed by a Go monolith designed to scale into microservices. Apply your skills using Agile SCRUM methodologies, rapid prototyping,, and use of AI to augment code review and testing. If located in Isreal or offshore, you must be available at least 3-hours each day during afternoons in the U.Design, build,



and maintain backend services and REST APIs in Go for the platform

Architect then build and extend real-time systems including WebSocket-based chat, direct messaging, notifications, and presence
Design and optimize PostgreSQL schemas, queries, and scalable data models
Integrate with AWS services including ECS, S3, CloudFront, Cognito, and CloudWatch
Implement backend logic for platform features such as studio management, game publishing workflows, virtual currency, and payment processing
Contribute to frontend development using SolidJS and JavaScript/TypeScript, connecting UI components to backend APIs via TanStack Query
Debug production issues, improve performance, and contribute to platform stability
Contribute to improving engineering processes, testing, and documentation
3 to 5 years of professional software development experience

Demonstrated experience building backend service

📌 Senior Backend Software Engineer (España)
🏢 Haiven
📍 España