Backend Engineer (m/f/x)

GRID esports; Wrocław; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Restaurant d'entreprise

Indemnités de stage/alternance

Job summary

GRID esports in Wroclaw is looking for a backend engineer to build event-driven, mission-critical services using Kotlin or Go. You will shape the technology landscape with experienced colleagues and contribute to architectural discussions.

Collaboration with product stakeholders, emphasis on clean API design (REST/GraphQL), automated testing and monitoring, and a strong focus on CI/CD will be core. Ideally you thrive in a fast-paced startup and enjoy delivering robust systems.

Qualifications

• Minimum of 3 years of commercial experience.
• Deep knowledge of a strongly typed language (Kotlin or Go).
• Experience with GraphQL/REST APIs and microservices.
• Expertise in API design with clear, self-documenting contracts.
• Experience with CI/CD and automated testing/monitoring.

Responsibilities

• Build greenfield mission-critical services.
• Expand reliability of existing systems.
• Shape GRID's technology landscape with colleagues.
• Participate in architectural discussions and enforce good practices.
• Collaborate with product stakeholders to communicate progress.

Skills

3+ years experience

Kotlin/Go

Nullable types

Strong contracts

Abstractions & design

REST/GraphQL APIs

Docker/Kubernetes

JIRA

Agile/Scrum

Tools

Docker

Kubernetes

Job description

• Are you passionate about building event-driven systems?
• Do you have a strong grasp of Kotlin or Go?
• Do you enjoy finding solutions for significantly impactful challenges?

• Are you passionate about building event-driven systems?
• Do you have a strong grasp of Kotlin or Go?
• Do you enjoy finding solutions for significantly impactful challenges?

If the answers to the above questions are yes, then this role could be ideal for you!

What you will do

• Build greenfield mission-critical services and expand the reliability of existing ones
• Help to shape GRID's technological landscape together with experienced colleagues
• Participate in architectural discussions, providing feedback to coworkers and ensuring good practices
• Work closely together with product stakeholders to communicate progress and considerations effectively

Your skills will include (must have)

• Minimum of 3 years of commercial experience
• Deep knowledge of a strongly typed language (preferably Kotlin / Go)
  • Explicit (nullable) types
  • Strong, minimal contracts
  • Helpful abstractions and class hierarchies / compositions (introduced at an appropriate time)
• Ambition to build robust, high-quality mission-critical systems, leveraging the power of:
  • Automated testing
  • Automated monitoring and alerting
  • CI/CD infrastructure
• Know-how of good API design (preferably REST / GraphQL), paying attention to:
  • Documentation
  • Self-documenting naming and structures
  • Minimal and extendable contracts (while minimizing breaking changes)
• Experience with GraphQL/REST APIs, micro-service architecture and container / orchestration systems (preferably Docker / Kubernetes), while bearing in mind:
  • Complexity trade-offs
  • Fault-tolerance design
• Knowledge of JIRA, Agile and Scrum
• Good communication skills, especially when working with remote teams
• Good attention to detail
• Being able to work CET time-zone

Nice to have

• Production experience with designing and maintaining GraphQL APIs.
• Knowledge of eSports and gaming.
• The ability to thrive in a fast-paced software startup that has incredible potential
• A passion for software engineering while writing clean, well-tested code
• Enthusiasm for working in a Lean, fully Agile environment
• Comfortable using AI tooling where necessary (ex. open code, github copilot, claude code)
• Knowledge of modern AI workflows

What you can expect from GRID’s Engineering Team

• Impactful: With a robust CI/CD process, and a full suite of automated tests our engineers ship daily, allowing you to make impact on the product from day one with peace of mind
• Agile & Inclusively: We’ve developed our own kanban-based way of working that is constantly being improved and adapted by the self-organizing product-engineering teams. Opinions and ideas are valued from all
• Quality: Achieved by ensuring detailed stories and epics, high test coverage, a thorough code-review process, consciously taking on technical debt and an open culture of sharing opinions
• Organized: We strive for considered decisions, creating software that lasts. We document them in decision records, which any engineer in any team can drive