We are looking for a Senior DevOps Engineer with strong expertise in building and operating scalable, high-performance cloud platforms. In this role, you will contribute to a rapidly growing healthcare solution expanding from 1,000 to over 100,000 customers.
You will be responsible for designing, implementing, and optimizing Azure-based infrastructure, ensuring high availability, security, and compliance within a regulated healthcare environment.
At Sigma Software, you will collaborate with experienced professionals on global-scale products, contribute to meaningful healthcare innovation, and benefit from a supportive environment with competitive compensation and professional growth opportunities.
CUSTOMER
Our Сustomer is a global leader in digital health solutions, serving healthcare providers, hospitals, and organizations worldwide. Their products improve patient care, streamline clinical workflows, and enable secure, efficient data exchange. With decades of innovation and millions of users globally, they are now embarking on a major scale-up initiative.
PROJECT
The project focuses on transforming an existing cloud-based healthcare platform into a highly scalable, production-grade system capable of supporting over 100,000 customers. It integrates microservices, advanced messaging, and real-time data processing to deliver mission-critical applications to healthcare professionals. The infrastructure is Azure-based and requires expert-level optimization for performance, security, and compliance.
Job Description- Design, implement, and maintain scalable infrastructure on Azure, focusing on AKS at scale
- Manage and optimize PostgreSQL (Azure managed databases) for high-volume workloads
- Configure and maintain Kafka clusters for large-scale messaging and streaming
- Implement GitOps workflows using ArgoCD for automated deployments
- Develop and maintain Infrastructure as Code with Terraform
- Create and manage Helm charts for microservices deployment
- Build and optimize CI/CD pipelines using GitLab CI
- Ensure security and compliance standards are met across all infrastructure and deployment processes
- Collaborate closely with development teams to integrate new features into production
- Monitor, troubleshoot, and improve infrastructure performance and reliability
- More than 5 years of experience as a DevOps Engineer
- Proven, in-depth, hands-on experience with Azure resources, especially AKS at scale
- Expertise in PostgreSQL (Azure managed databases) at scale
- Strong knowledge of Kafka cluster management at scale
- Proficiency with ArgoCD for GitOps workflows
- Experience with Terraform for IaC
- Skilled in Helm charts for microservices deployment
- Proficient in GitLab CI for build and release pipelines
- Strong background in security and compliance for cloud-based platforms
- At least an Upper-Intermediate level of English
WILL BE A PLUS
- Experience with monitoring and observability tools (Prometheus, Grafana, ELK)
- Knowledge of cost optimization strategies for cloud infrastructure
- Prior work in high-growth SaaS environments
PERSONAL PROFILE
- Analytical thinker with strong problem-solving skills
- Highly collaborative and capable of working in cross-functional teams
- Able to thrive in high-pressure, fast-paced scaling environments
- Detail-oriented with a commitment to quality and security
Top Skills
What We Do
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs.
Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts.
Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters









