Senior Software Engineer / Software Architect – Go & Python

Hiberus; Polska; Hybrid; PLN 244,000 - 328,000; Full time

Job summary

Hiberus is seeking a Senior Software Engineer or Software Architect to work on high-performance data processing and scalable network services using Go and Python. The role emphasizes network telemetry, scalable architectures, and low-latency execution.

The candidate should have strong systems engineering skills, Linux and Kubernetes experience, and familiarity with cloud services. Fully remote work from Poland is supported under a B2B arrangement.

Qualifications

• Strong proficiency in Go and asynchronous Python programming.
• Proven experience designing and optimizing high-performance network services and large-scale data processing systems.
• In-depth knowledge of L2/L3/L4 networking, TCP/IP, IPv4/IPv6, VLANs, and MTU.
• Experience with network telemetry protocols: NetFlow v5/v9, IPFIX, sFlow.
• Experience with Kafka, Protocol Buffers, and ClickHouse.

Skills

Go

Python

Networking

Performance optimization

Tools

Kafka

Protocol Buffers

ClickHouse

Linux

Kubernetes

Job description

Senior Software Engineer / Software Architect – Go & Python

Form of cooperation

B2B

Remuneration

21 840 - 29 400 PLN

Type of work

Full-time

Warszawa, Fully Remote

We are looking for an experienced Senior Software Engineer or Software Architect to join a project focused on high-performance data processing, network telemetry, and the development of scalable network services.

Experience required

Strong proficiency in Go and asynchronous Python programming.

Proven experience designing and optimizing high-performance network services and large-scale data processing systems.

In-depth knowledge of L2/L3/L4 networking, TCP/IP, IPv4/IPv6, VLANs, and MTU.

Hands-on experience with network telemetry protocols, including NetFlow v5/v9, IPFIX, and sFlow.

Experience with Apache Kafka, Protocol Buffers, and columnar or time-series databases such as ClickHouse.

Strong performance engineering skills, including profiling, memory management, CPU utilization, and throughput optimization.

Good understanding of Linux internals, containerization, and Kubernetes.

Experience with automated testing, load testing, and maintaining high software quality standards.

Ability to troubleshoot network-related issues using packet capture and traffic analysis tools.

Nice to have:

Experience with eBPF, NATS, NSQ, or ZeroMQ.

Network device configuration automation across vendors such as Cisco, Arista, Juniper, and Palo Alto.

Familiarity with Azure or AWS services and Windows/Active Directory integrations.

Experience designing distributed systems, state synchronization mechanisms, and recovery strategies.

Experience packaging and deploying self-contained applications within customer-managed infrastructure.

We are looking for a professional who combines strong software engineering expertise with in-depth networking knowledge and performance optimization skills, and who can contribute to architectural decisions while delivering reliable, scalable solutions for high-throughput environments.

About us

Who are we?

We are a team of experienced professionals from the IT, gaming, BI, project management and business sectors. Our team consists of people who have established and developed various types of companies and have been successful in the implementation of large projects. Among us are people with over 25 years of experience in the IT industry, as well as HR specialists with extensive knowledge in the field of training, administration and management.

Job openings

We have a wide selection of IT jobs in different sectors and locations. We focus not only on matching skills, but also support you at every stage of employment.

• Location
• Form of cooperation
• Type of work
• Remuneration [PLN]

4000,00 — 36000,00