Senior Software Engineer – Go

Software Mind; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Flexible and remote cooperation

International projects with leading全球的

Language classes

Knowledge-sharing initiatives

Private healthcare

Life insurance

Multisport card

Job summary

Software Mind in Kraków is seeking a backend engineer to join a LiveOps plugin platform project built with Go, Kafka and Google Cloud. You will design plugin contracts, implement scalable core services in Go, and ensure robust event processing with multi-tenancy isolation.

You will mentor mid-level engineers, set up CI/CD and observability standards, and collaborate with the client’s technical lead to deliver the first plugin end-to-end.

Qualifications

• 5+ years of backend engineering, 3+ years with Go in production.
• Distributed systems at high scale, including Kafka or a similar streaming platform.
• Eventual consistency, idempotency, retries and failure recovery in event-driven systems.
• Strong Go concurrency and performance tuning skills.
• Experience with multi-tenant systems and tenant isolation.
• API and contract design with REST and/or gRPC, including versioning.
• Google Cloud (or another public cloud), PostgreSQL and Redis.

Responsibilities

• Design plugin contracts: APIs, lifecycle, versioning and backward compatibility.
• Build scalable core platform services in Go.
• Integrate with the Kafka event hub using idempotent processing and safe retries.
• Implement failure detection, recovery and graceful degradation.
• Design for multi-tenancy and isolation between tenants and plugins.
• Deliver the first plugin (gacha / wheel-of-fortune) end to end.
• Set standards for code review, testing, CI/CD and observability.
• Mentor mid-level engineers and partner with the client's technical lead.

Skills

Go

Kafka

Google Cloud

PostgreSQL

Redis

Kubernetes

Datadog

REST

gRPC

Multi-tenant

Concurrency

Performance tuning

Event-driven

Tools

GKE

Kafka tooling

Datadog

Job description

Software Mind develops solutions that make an impact for companies around the globe. Tech giants & unicorns, transformative projects, emerging technologies and limitless opportunities – these are a few words that describe an average day for us. Building cross-functional engineering teams that take ownership and crave more means we’re always on the lookout for talented people who bring passion and creativity to every project. Our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

Job Description

Project – the aim you’ll have

Our client is a global video-game commerce company whose payments and monetization tools are used by leading game studios worldwide. Software Mind is joining the client's engineering team to build a new LiveOps plugin platform in Go, Kafka and Google Cloud, letting internal teams extend LiveOps through a strict plugin interface. You will work in a small Scrum team alongside the client's technical lead.

Role – how you’ll contribute

• Design plugin contracts: APIs, lifecycle, versioning and backward compatibility
• Build scalable core platform services in Go
• Integrate with the Kafka event hub using idempotent processing and safe retries
• Implement failure detection, recovery and graceful degradation
• Design for multi-tenancy and isolation between tenants and plugins
• Deliver the first plugin (gacha / wheel-of-fortune) end to end
• Set standards for code review, testing, CI/CD and observability
• Mentor mid-level engineers and partner with the client's technical lead

Qualifications

Expectations – the experience you need

• 5+ years of backend engineering, 3+ years with Go in production
• Distributed systems at high scale, including Kafka or a similar streaming platform
• Eventual consistency, idempotency, retries and failure recovery in event-driven systems
• Strong Go concurrency and performance tuning skills
• Experience with multi-tenant systems and tenant isolation
• API and contract design with REST and/or gRPC, including versioning
• Google Cloud (or another public cloud), PostgreSQL and Redis

Additional skills – the edge you have

• Plugin, extension or SDK architecture
• Outbox, saga or exactly-once processing patterns
• Gaming, iGaming or LiveOps background
• Kubernetes (GKE) and Datadog

Additional Information

What we offer:

• Flexible and remote cooperation options
• International projects with leading global clients
• Travels related to international projects
• Non-corporate atmosphere
• Access* to language classes
• Access* to knowledge-sharing initiatives
• Access* to private healthcare and life insurance
• Access* to multisport card

*The availability and terms of individual benefits may vary depending on the chosen form of cooperation.