Block Labs /Senior Software Engineer (Go) - iGaming

Overview

Responsibilities

• - Design and build backend services using Go.
• - Build core gameplay runtime services that execute game rounds end to end.
• - Develop stateless workers for outcome generation and runtime execution.
• - Build tamper-evident, append-only ledger systems.
• - Design and improve game configuration systems and simulation tools.
• - Build integration layers between the platform and operator partners.
• - Develop client-facing APIs using WebSocket and REST.
• - Drive architectural decisions around determinism, idempotency, and auditability.
• - Deploy and operate services on AWS ECS.
• - Work contract-first with clear and reliable API contracts.
• - Collaborate with a senior engineering team on scalable, resilient, and high-performance systems.

Requirements

• - Strong professional experience with Go backend development.
• - Senior-level software engineering experience in production systems.
• - Experience building distributed systems and service-oriented architectures.
• - Strong understanding of REST APIs, WebSockets, and gRPC.
• - Experience with real-time, transaction-heavy, or high-throughput backend systems.
• - Strong knowledge of idempotency, auditability, and reliable system design.
• - Experience with append-only ledgers or financial-style transaction systems is a plus.
• - Experience deploying services on AWS, especially ECS, is a plus.
• - Strong understanding of observability, testing, and production reliability.
• - Ability to work autonomously in a senior engineering team.
• - Good communication skills and product ownership mindset.

Skills