Software Engineer - Go, Networking and Distributed Systems

Get to know us better 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: Act to deliver.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 platformsDeveloping high-performance distributed traffic infrastructureBuilding and managing large-scale distributed systems and networking softwareExecuting complex migrations of legacy network systems and codebases in large-scale environmentsDeveloping 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 experienceProficiency in Golang with extensive experience in designing and building distributed systemsAt least 5 years of experience in building and managing large-scale geo-distributed networking software and solutions with relevant software design and development experienceDeep understanding of environments built around Envoy. Solid experience with Envoy Proxy (Data Plane) architecture combined with Go Control PlaneAdvanced knowledge of network protocols from L3 to L7, network infrastructure, and observability mechanismsStrong understanding of the Linux network stack, practical experience with eBPF, and hands-on skills in low-level socket/kernel performance tuningPractical knowledge of Rust specifically for developing and maintaining Envoy WASM filtersFundamental 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 hybridProfessional growth supported by internal training sessions and a training budgetSolid onboarding with a hands-on approach to give you an easy startA great atmosphere among professionals who are passionate about their workThe ability to change the project you work on