Senior DevOps Engineer (Fintech) at Big Stars

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• 🏢 This is Big Stars's only job here right now

Updated 2026-11-05, from our data and official sources.

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About the role

Responsibilities:
- Manage, configure and operate Kubernetes clusters in production, including upgrades, scaling and lifecycle tasks
- Author, improve and maintain Helm charts and GitOps workflows (ArgoCD/Flux)
- Build, maintain and optimise CI/CD pipelines (GitLab) and automated deployment processes with rollback strategies
- Provision and manage cloud infrastructure using Terraform/Terragrunt on AWS or GCP; optimise resources and costs
- Operate and ensure high availability for Redis/Valkey and Kafka environments; monitor and resolve incidents
- Collaborate with developers to improve reliability, performance and security; maintain runbooks and documentation

Requirements:
- Strong hands-on experience with AWS (preferred) or GCP and cloud resource optimisation
- Production Kubernetes experience and familiarity with Istio
- Proven ability to write and maintain Helm charts and apply GitOps principles (ArgoCD/Flux)
- Experience with Terraform/Terragrunt and GitLab CI/CD
- Operational experience with Redis (HA) and Kafka
- Advanced English and strong collaboration skills
- Familiarity with PCI DSS and banking security standards is a plus

Responsibilities

Manage, configure, and deploy Kubernetes clusters while maintaining CI/CD pipelines using GitLab and ArgoCD. Collaborate with developers to enhance production stability, reliability, and system performance.

Requirements

Requires strong hands-on experience with AWS/GCP, Kubernetes, Istio, and GitOps tools like ArgoCD. Proficiency in Terraform, Helm Charts, and maintaining high-availability Redis and Kafka environments is essential.

Key skills

• AWS — in 802 other listings on The Stack
• GCP — in 169 other listings on The Stack
• Kubernetes — in 585 other listings on The Stack
• Istio — in 14 other listings on The Stack
• Helm Charts — in 1 other listing on The Stack
• GitOps — in 52 other listings on The Stack
• ArgoCD — in 37 other listings on The Stack
• FluxCD — in 1 other listing on The Stack
• Terraform
• Terragrunt
• GitLab CI/CD
• Redis
• Valkey
• Kafka
• English Proficiency
• PCI DSS

On The Stack (as of 2026-11-05)

• This is Big Stars's only listing on The Stack.
• 44 visa-sponsored devops engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Big Stars

Is this Senior DevOps Engineer (Fintech) role still open?

It was posted on 2026-07-09. Listings more than 30 days old may no longer be active, so check Big Stars's site before applying.

Does Big Stars offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Big Stars's site.

Where is this role located?

The listing gives the location as Serbia. It is marked on-site.

What skills does this role ask for?

The listing names: AWS, GCP, Kubernetes, Istio, Helm Charts, GitOps, ArgoCD, FluxCD, Terraform, Terragrunt, GitLab CI/CD, Redis, Valkey, Kafka, English Proficiency, PCI DSS.