Senior Software Consultant (Python, Node.js and Go)

Type of contract: B2B contract

Salary range: 125 - 160 PLN/H

What will you do?

Join a strategic Software Security platform initiative focused on Engineering Excellence, modern cloud-native solutions, and large-scale automation. You will help build and evolve internal products and services, contribute hands-on to software development, and drive high engineering standards across agile teams. The role combines software engineering, cloud architecture, platform ownership, and technical leadership with a strong focus on innovation, automation, reliability, and security.

Your tasks

• Design, develop and maintain scalable applications using Python and Node.js
• Build and enhance cloud-native services running on Google Cloud Platform
• Architect and manage solutions on Google Kubernetes Engine
• Design and implement event-driven architectures using Pub/Sub
• Optimize PostgreSQL databases for high-concurrency workloads
• Own the full lifecycle of services, ensuring resilience, observability and cost efficiency
• Design and manage OAuth2 and OpenID Connect integrations
• Drive engineering excellence, best practices and code quality across teams
• Identify opportunities for automation and eliminate manual operational activities
• Collaborate with stakeholders to translate business needs into technical solutions
• Mentor engineers and actively share knowledge across teams
• Evaluate emerging technologies and recommend improvements to existing platforms

Requirements

• Strong commercial experience with Python and Django
• Strong commercial experience with Node.js, TypeScript and NestJS
• Experience designing and deploying solutions on Google Cloud Platform
• Experience with Google Kubernetes Engine (GKE)
• Experience building event-driven architectures
• Strong knowledge of PostgreSQL and query optimization
• Knowledge of OAuth2 and OpenID Connect
• Experience with cloud-native application design and microservices
• Experience with observability, monitoring and operational excellence
• Knowledge of software architecture and engineering best practices
• Experience working in Agile environments
• Strong problem-solving and communication skills
• Openness to work hybrid from our client's office (Kraków) 6 days a month

Nice to have

• Experience with Go
• Experience with Rust
• Open-source contributions or active GitHub portfolio
• Technical blogging or community involvement
• Experience building developer platforms
• Experience in security-focused environments