Software Engineer - Go, Networking & Distributed Systems

CodiLime; Polska; Hybrid; PLN 201,000 - 279,000; Full time

Benefits offered by this job

Flexible working hours

Remote / Hybrid / Office options

Training budget and onboarding support

Collaborative atmosphere

Job summary

CodiLime is seeking a Software Engineer to design and operate large-scale global traffic routing platforms, build high-performance distributed networking software, and migrate legacy systems in big environments.

Requirements include 5+ years for Mid or 7+ for Senior, strong Golang, Envoy Proxy experience, knowledge of L3–L7 protocols, Linux networking, eBPF, and Rust for Envoy WASM filters; C/C++ basics.

Qualifications

• At least 5 years for Mid / 7 years for Senior of relevant work experience.
• Proficiency in Golang with extensive experience in designing and building distributed systems.
• Experience building and managing large-scale geo-distributed networking software.
• Deep understanding of Envoy-based environments and Data Plane with Go Control Plane.
• Strong knowledge of network protocols from L3 to L7 and observability.

Responsibilities

• Designing, building, deploying, and optimizing large-scale global traffic routing platforms.
• Developing high-performance distributed traffic infrastructure.
• Building and managing large-scale distributed networking software.
• Executing complex migrations of legacy network systems in large environments.
• Developing core network routing tools.

Skills

Golang

Distributed systems

Envoy Proxy

Linux networking

eBPF

Rust for Envoy WASM

C/C++ basics

Tools

Envoy Proxy

Go Control Plane

Job description

CodiLime is a software and network engineering industry expert and the first-choice service partner for top global networking hardware providers, software providers and telecoms. We create proofs-of-concept, help our clients build new products, nurture existing ones and provide services in production environments. Our clients include both tech startups and big players in various industries and geographic locations (US, Japan, Israel, Europe).

While no longer a startup - we have 250+ people on board and have been operating since 2011 we’ve kept our people-oriented culture. Our values are simple:

• Disrupt to grow.
• Team up to win.

Renumeration: B2B Contract: 18 000 - 25 000 PLN + VAT

Your role

As a part of the project team, you will be responsible for:

• Designing, building, deploying, and optimizing large-scale global traffic routing platforms
• Developing high-performance distributed traffic infrastructure
• Building and managing large-scale distributed systems and networking software
• Executing complex migrations of legacy network systems and codebases in large-scale environments
• Developing core network routing tools

Do we have a match?

As a Software Engineer, you must meet the following criteria:

• At least 5 years for Mid / 7 years for Senior of relevant work experience
• Proficiency in Golang with extensive experience in designing and building distributed systems
• At least 5 years of experience in building and managing large-scale geo-distributed networking software and solutions with relevant software design and development experience
• Deep understanding of environments built around Envoy. Solid experience with Envoy Proxy (Data Plane) architecture combined with Go Control Plane
• Advanced knowledge of network protocols from L3 to L7, network infrastructure, and observability mechanisms
• Strong understanding of the Linux network stack, practical experience with eBPF, and hands-on skills in low-level socket/kernel performance tuning
• Practical knowledge of Rust specifically for developing and maintaining Envoy WASM filters
• Fundamental understanding of C and/or C++ to support low-level system integrations and debugging

More reasons to join us

• Flexible working hours and approach to work: fully remote, in the office or hybrid
• Professional growth supported by internal training sessions and a training budget
• Solid onboarding with a hands-on approach to give you an easy start
• A great atmosphere among professionals who are passionate about their work
• The ability to change the project you work on