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Name Back-end Software Developer (Python & DevOps) Description Location: Fully remote, based in Poland, flexible working hours (CET-aligned) Experience: 3 years in back-end engineering (esp. Python & AWS) Contract: B2B Compensation: 16,000–21,000 PLN/month ( VAT if applicable) The Role We are looking for a Back-end Developer with strong Python proficiency and solid DevOps experience , particularly on AWS . This is a hands-on role where you will work across application back-end development and cloud infrastructure, helping us build, scale, and operate secure, production-grade systems. You will collaborate closely with our Product Development team to deliver reliable, secure, and high-performing services powering Relock’s platform. Responsibilities Design, build, and maintain back-end services and APIs (primarily in Python). Develop and operate cloud infrastructure on AWS with a strong focus on reliability and security. Design, automate, and maintain CI/CD pipelines and deployment workflows. Collaborate with product developers to deliver integrated, production-ready solutions. Implement and maintain monitoring, logging, and alerting systems. Improve system scalability, performance, and operational resilience. Contribute to back-end and DevOps best practices, tooling, and internal standards. Requirements 3 years of experience in back-end engineering. Strong Python proficiency (production-grade experience required). Solid DevOps experience , with a strong preference for AWS . Experience with containerization and orchestration (Docker, Kubernetes). Hands-on experience with CI/CD pipelines (GitHub Actions, GitLab CI, or similar). Infrastructure-as-Code experience (Terraform, Pulumi, or equivalent). Good understanding of system reliability, security, and scalability. Fluent Polish and very good English (spoken and written). Ability to work independently in a remote setup. Nice to have: Experience with Go and/or Rust. Background in cybersecurity, IAM, or identity-related systems. Why Join Us Fully remote role with flexible working hours. Real ownership over both back-end systems and cloud infrastructure. Opportunity to work on cutting-edge identity and security technology. Strong engineering culture with a learning-by-doing mindset. Competitive B2B compensation (range to be negotiated is stated above), based on skills and impact. About Relock Relock is the world’s first browser-based device trust solution able to protect sessions as well as to enable true adaptive trust. Invisible to users, it achieves 100% adoption from day one, replaces alert fatigue with a clear trust signal, and integrates seamlessly with any IAM or CIAM stack. Ready to help shape the future of identity and security? Apply and join Relock.