Senior Software Engineer, Python

🕒 August 27

🇵🇱 Poland – Remote

💵 zł20.5k - zł27k / month

⏳ Contract/Temporary

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 3%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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CodiLime

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2011

🤝 B2B

📡 Telecommunications

🔧 Hardware

B2B • Telecommunications • Hardware

CodiLime is a software and network engineering services company that partners with networking hardware vendors, software providers, and telecommunications firms to create proofs-of-concept, develop new products, and support production environments. Founded in 2011 and grown to 300+ employees, the company specializes in network automation, low-level systems programming, observability, DevOps, and cybersecurity, serving clients worldwide (US, Japan, Israel, Europe). CodiLime primarily operates as a B2B service provider to tech startups and large industry players.

📋 Description

• Design, build, and maintain integrations connecting the platform to third-party network systems and controllers • Develop discovery agents/workers that securely connect to customer infrastructure and extract device, interface, and topology data • Build and maintain services and APIs delivering discovered data into the platform's declarative ingestion layer • Write and maintain unit tests using pytest and contribute to E2E test automation with Playwright, Docker Compose, and CI • Explore and apply AI-assisted engineering practices to accelerate and improve development and testing • Collaborate closely with a small, cross-functional engineering team • Propose and ship ideas for improving the platform beyond core integration work • Contribute to architecture and design decisions as the integrations platform scales • Write clean, maintainable, well-tested code and participate in code reviews

🎯 Requirements

• Strong professional experience with Python • Hands-on, everyday use of AI coding tools (ideally Claude Code) in your engineering workflow • Experience building and maintaining integrations or APIs (REST) • Experience with gRPC is a strong plus • Solid unit testing experience, ideally with pytest • Fluency and experience with Docker, Docker Compose • Experience with Kubernetes • Working understanding of core networking concepts: IP vs MAC, VLANs, VRFs, DNS, BGP, ACLs • Experience with relational databases (PostgreSQL/SQL) • Comfortable in a startup-like, fast-paced, proactive environment • Experience with monitoring tools (e.g. Grafana and/or Prometheus) • CI/CD experience (ideally GitHub Actions) • Experience with Cloud computing (Ideally AWS, e.g. EC2, S3, EKS) • Good knowledge of English (minimum C1 level) • Experience with Go • Experience with MQTT • Familiarity with FastAPI • Experience with Swagger and/or Postman • Experience with Playwright or other E2E testing frameworks • Experience with Ansible

🏖️ Benefits

• Flexible working hours and approach to work: fully remotely, 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