Senior DevOps Engineer - Aktiia team

We at Holycode are currently looking for a Senior DevOps Engineer with strong skills and proven experience to join our Aktiia (Hilo) team here in our Belgrade office. Aktiia is a venture-backed startup that has developed and brought the world’s first continuous blood pressure monitor to market. Their technology is based on 15 years of research by our founders at the prestigious Swiss research institution, CSEM. Aktiia's solution has been validated through extensive clinical trials and received the CE Mark as a Class IIa medical device giving them access to 43 countries worldwide. If you are a top performer looking for an exciting, fun environment and are motivated by a mission, join them and help change how hypertension is measured and managed for almost a billion people worldwide. Tech you’ll use: Pulumi, Terraform, Ansible, Python, Java, MySQL, MongoDB, AWS, ELK Stack, Prom Stack, Bitbucket. Challenging things you’ll work on: Configure, run, maintain, and improve production and staging environments. Collaborate with developers, architects, and QA on configuration and release management. Contribute to system architecture focused on security, scalability, maintainability, cost, and performance using Infrastructure as Code best practices.. Develop and implement strategies for reliability, disaster recovery, and backups. You’re metrics-driven. You turn logs, metrics, and traces into insights designing SLIs/SLOs, spotting bottlenecks, and improving performance end-to-end. Contribute to internal IT security strategy and execution. Implement infrastructure for build automation and CI/CD; drive end-to-end toolchain automation. Ensure operations of internal tools and support teams (certificate management, user management, etc.). What you’ll need: Degree in Computer Science, Electrical Engineering, or related field. 8+ years as a DevOps Engineer or similar. Strong experience with AWS (EC2, ALB, ECS/EKS, ASG, S3, RDS, SQS, SNS, Lambda, CloudWatch, Sagemaker, WAF, AMG, Cloudtrail). AWS certification is a plus. Experience with MongoDB Atlas is welcome. Excellent knowledge of Unix/Linux. Proficiency in Python, Bash, or similar scripting. Experience with relational and non-relational databases (MySQL, MongoDB). Hands-on with at least two of: Terraform, git, Bitbucket, CircleCI, Pulumi, Maven, Gradle, Docker/Kubernetes, Ansible. Structured, independent, and outcome-focused work style; strong analytical skills. You are fluent in English. Benefits: Private health insurance Flexible work model – full remote or hybrid Equipment of your choice (laptop, monitor, accessories) High-growth company with innovative products Supportive, international team Budget for professional development (courses, books, conferences) English and German language lessons during working hours Nice office in Belgrade with a stocked kitchen and game area Opportunity to learn, grow, and make a real impact If you are looking for an environment where you can grow professionally, learn from the best in the field, balance work and life habits and have a pleasant and enthusiastic environment, please submit your CV in English.