Senior Backend Engineer - Go | AI-Driven SaaS (Remote)

Inuits; Kraków; Remote; PLN 180,000 - 260,000; Full time

Job summary

Inuits Sp. z o.o. is seeking a Senior Backend Engineer to design, build and maintain the backend services behind a cloud-based Quality Management System used by Life Sciences companies.

The role suits an experienced engineer who works independently and embraces AI tools in daily development. You will join a scrum team or small pod, use Go as the primary backend language, collaborate with UI, product, and DevOps, and ensure robust REST APIs, testing, CI/CD, and secure coding across cloud

Qualifications

• 5+ years of hands-on backend development experience.
• Proficient with Go; Python or TypeScript acceptable with web/testing frameworks.
• Solid knowledge of domain-driven design and microservice architecture.
• Experience designing REST APIs; GraphQL or gRPC a plus.
• Experience with messaging: Kafka, MQTT or SQS.
• Familiar with CQRS or BFF and MVVM/MVI frontend patterns.
• Experience with SQL databases and at least one NoSQL store.
• Hands-on Docker and Docker Compose; basic Kubernetes; cloud (AWS/Azure/GCP).
• CI/CD pipelines (GitHub Actions or GitLab CI) and observability (logging, tracing).
• Strong unit/integration tests, mocking strategies, secure coding.
• Daily use of AI tools in development workflows.
• Excellent written and spoken English; EU work permit.

Responsibilities

• Design and build scalable backend services with REST APIs.
• Apply DDD and microservice principles to keep services decoupled.
• Write unit and integration tests for a regulated environment.
• Maintain CI/CD, monitoring, diagnostics, and maintenance.
• Collaborate with UI, product, DevOps and other engineers to deliver features.
• Mentor juniors through code reviews and knowledge sharing.
• Leverage AI-assisted development to enhance the team output.

Skills

Go backend

Python / TypeScript

DDD & microservices

REST APIs

Kafka / MQ / SQS

CQRS / BFF

SQL / NoSQL

Docker / Kubernetes

CI/CD

Cloud (AWS/Azure/GCP)

Testing & mocks

AI-assisted development

English proficiency

EU work permit

Tools

GraphQL

gRPC

Docker

Kubernetes

Job description

Inuits Sp. z o.o. is seeking a Senior Backend Engineer to design, build and maintain the backend services behind a cloud-based Quality Management System used by Life Sciences companies.

The role suits an experienced engineer who works independently and embraces AI tools in daily development. You will join a scrum team or small pod, use Go as the primary backend language, collaborate with UI, product, and DevOps, and ensure robust REST APIs, testing, CI/CD, and secure coding across cloud