Senior Software Engineer, Python
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Job Description
Senior Python engineer building CodiLime’s network-security automation and migration platform. Owning backend architecture, integrations, testing, and AI-assisted product delivery.
Responsibilities:
- Design, build, and maintain the software product and underlying libraries
- Build a self-service product with actionable errors, predictable behavior, and customer-completable workflows
- Decide what capabilities should be generalized versus built once
- Own and lead technical initiatives from design document through release
- Act as the technical counterpart to surrounding teams and raise dependencies early and in writing
- Maintain appropriate test coverage and help shape the overall testing strategy
- Apply AI-assisted engineering practices across the entire SDLC
- Contribute to architecture and design decisions as the solution scales
- Propose and help ship product improvements beyond core delivery work
- Co-develop a unified network security management platform and automate conversion and onboarding of network security configurations
Requirements:
- 7+ years professional experience with modern Python
- Experience building and maintaining software products for external customers
- Experience owning an architecture end to end, including aligning teams without direct authority
- Hands-on, everyday use of AI coding tools in the engineering workflow
- Solid testing experience and ability to choose the right testing strategy
- Experience building and maintaining integrations or API clients
- Experience with data modeling and transformation, including parsers, intermediate representations, or schema-driven conversion
- Fluency with Pydantic and strict static typing (mypy or equivalent)
- CI/CD experience
- Comfortable in a fast-paced, customer-driven environment
- Very good command of English, minimum B2, ideally C1, spoken and written
- Experience with workflow or orchestration engines such as Temporal
- Experience with Docker and Kubernetes
- Experience with SQLAlchemy or ORM-based data modeling
- Experience with migration, import, or ETL-style tooling
- Experience with asynchronous Python
- Experience with XML at scale or grammar-based configuration parsing such as TextFSM
- Experience with Go
- Experience with observability tooling such as OpenTelemetry, Prometheus, or Grafana
- Experience with modern Python packaging and tooling such as uv and ruff
- Working understanding of TCP/IP, VLAN, NAT, ACL, firewalls, and routing
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
- A great atmosphere among professionals who are passionate about their work
- The ability to change the project you work on
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