BackEnd Developer (C++, Go)

Ixilix; Polska; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Team Buildings Compensations

Memorable Days Financial Benefit

Annual fixed learning budget

English Language Courses Compensation

Paid Annual Leave 24 working days

Sick leave - unlimited

Mental Health Support

Holiday Helper Service

Laptop provided by Company (after prob

Job summary

Ixilix is a technology-driven company that builds high-quality solutions and long-term partnerships. We are looking for a Backend End Developer (C++, Go) to join our growing team, focusing on writing high-performance backend code and improving existing systems.

You will design new features, collaborate with DevOps, QA, and client teams, and optimize concurrency and memory management in Linux-based environments.

Qualifications

• 5+ years of total development experience.
• 3+ years of C++ experience.
• 1+ years of Go and/or Python.
• Experience with high-load systems and performance optimization.
• Strong understanding of concurrency, memory management, and distributed systems.
• Familiarity with RabbitMQ, Redis, MySQL, Kubernetes, Jenkins, and Git.

Responsibilities

• Writing high-performance, reliable backend code.
• Maintaining and improving existing codebase.
• Designing and developing new features and modernizing older parts of the system.
• Collaborating with other teams (DevOps, QA, client teams).

Skills

5+ years total development experience

3+ years C++

1+ years Go/Python

High-load systems

Concurrency & memory management

Distributed systems

RabbitMQ

Redis

MySQL

Kubernetes

Jenkins

Git

Linux

Tools

RabbitMQ

Redis

MySQL

ClickHouse

Kubernetes

Jenkins

Git

Linux

Python

Node.js

Job description

• Development Environment: Linux-based.

Ixilix is a technology-driven company that builds high-quality solutions and long-term partnerships. Our team is growing, and we are looking for a Васk End Developer (C++, Go).

Tech Stack

• Backend: C++ (main), Go, Python.
• Testing: Python.
• Messaging & Storage: RabbitMQ, Redis, MySQL, ClickHouse.
• Infrastructure: Kubernetes (EKS), RDS.
• Version Control & CI/CD: Git, Jenkins.
• Additional Services: Some internal tools in Python, a small amount of Node.js (optional knowledge).
• Development Environment: Linux-based.

Responsibilities

• Writing high-performance, reliable backend code.
• Maintaining and improving existing codebase.
• Designing and developing new features and modernizing older parts of the system.
• Collaborating with other teams (DevOps, QA, client teams).

Required Skills

• 5+ years of total development experience.
• 3+ years of experience with C++.
• 1+ years of experience with Go and/or Python.
• Experience with high-load systems and performance optimization.
• Strong understanding of concurrency, memory management, and distributed systems.
• Familiarity with RabbitMQ, Redis, MySQL, Kubernetes, Jenkins, Git.
• Experience working in a Linux environment is a plus.
• Good communication skills for cross-team collaboration.

What we offer

Rewards & Celebrations

• Team Buildings Compensations
• Memorable Days Financial Benefit

Learning & Development

• Annual fixed budget for personal learning
• English Language Courses Compensation

Time Off & Leave

• Paid Annual Leave (Vacation) - 24 working days
• Sick leave - unlimited number of days, fully covered

Wellbeing Support

• Mental Health Support (Therapy Compensation)
• Holiday Helper Service

Workplace Tools & Assistance

• Laptop provided by Company (after probation)

Work conditions

• Remote work from EU
• Flexible 8-hour workday, typically between 9:00 - 18:00 CET
• Five working days, Monday to Friday
• Public holidays observed according to Ukrainian legislation
• The company offers optional business trips (Bratislava), providing opportunities for in-person collaboration.

At Ixilix, we value transparency, trust, and ownership. We believe that great results come from people who care - about their work, their team, and the impact they create.