Senior Backend Engineer (Java and GO) @ SquareOne

SquareOne; Polska; On-site; PLN 120,000 - 180,000; Full time

Job summary

A leading software company in Poland is looking for a Senior Backend Engineer with expertise in Java and Go. You will engage in all development aspects of a cloud-native product, writing high-quality code and mentoring new team members. Ideal candidates will have significant software development experience and a passion for continuous improvement. Join a collaborative team that values initiative and effective communication.

Qualifications

• Significant real-world experience developing software for production systems.
• Hands-on experience in Java/Go is preferred.
• Strong testing abilities and passion for mentoring.

Responsibilities

• Participate in the development from design to production of a hybrid/cloud native product.
• Write high-quality, testable, and efficient code.
• Promote ideas for continuous improvement.

Skills

Software development

Java

Go

Cloud infrastructure

CI/CD

Kubernetes

Docker

Monitoring technologies

Testing

Communication skills

Job description

Senior Backend Engineer (Java and GO) @ SquareOne

Polska

Qualifications

• Significant real-world experience developing software for production systems
• Extensive Can-Do attitude
• Hands‑on experience and proficiency in Java/Go (an advantage)
• Experience with Cloud infrastructure and services
• Exposure and experience to CI/CD/DevOps, Kubernetes, Docker, and monitoring technologies
• Ability to take initiative and scope work to deliver value iteratively, making meaningful design decisions, and driving work to completion
• Excellent communication skills both verbally and in writing with a passion to mentor, lead, and guide others
• Strong testing abilities. Consideration of both automated testing and monitoring to improve team efficiency and reliability of production services

Responsibilities

• Take part in all development aspects from design to production of a wide hybrid/ cloud native product
• Write high quality, testable and efficient code
• Initiate and promote new ideas for continuous improvement of the product functionality
• Work closely with other team members as well as mentoring new team members

Requirements

• Java
• Golang