12mo ago

Sr. DevOps Engineer

Serbia·BelgradeFull-Timesenior

EngineeringDevOps & InfrastructureDevops EngineerInfrastructure & Cloud

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Quick Summary

Overview

About Unlimit Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gateways into a single,…

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About Unlimit

Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gateways into a single, intelligent platform.

Across 17 offices globally, Unlimit bridges hyper-local expertise with a high-capacity financial network, giving companies the agility to expand across regions with operational confidence and speed. Driving the evolution of payments, Unlimit is transforming its infrastructure from human-operated fintech into AI-native financial infrastructure — where APIs are consumed by machines, integrations are negotiated by agents, and systems evolve continuously through intelligent automation. Our next users are not only humans. They are AI agents acting on behalf of humans and businesses.

Unlimit serves more than the needs of businesses today; we are building the nervous system for a borderless global economy.

At Unlimit, we are building the foundation for the next generation of software delivery—where reliability, scalability, and speed come first, and AI is applied thoughtfully to amplify outcomes. As a Senior DevOps Engineer, you will lead this effort by establishing best practices, defining standards, and building the platforms that enable our teams to deliver with confidence.

You’ll architect company-wide CI/CD strategies, design golden pipelines, and implement GitOps-based deployments and progressive delivery methods that ensure every release is predictable and resilient. Alongside Platform and Security teams, you’ll embed governance, observability, and guardrails into everything we build—so that our systems are not only automated, but trusted.

Where AI can add value, you will pave the way. From predictive failure detection to automated root cause analysis and intelligent code quality checks, you’ll help identify and integrate the right AI-driven capabilities into our delivery lifecycle. Your work will ensure that Unlimit’s DevOps foundation is modern, adaptable, and ready for the innovations to come.

This is a role for someone who thrives on building from the ground up, setting the standard for how software is delivered, and ensuring that every team—from developers to data scientists—benefits from a robust, future-ready platform.

4+ years architecting and operating CI/CD systems at scale (e.g., Jenkins, GitLab, GitHub, ArgoCD).

3+ years of production experience with: Docker: Multi-stage builds, BuildKit, image optimization, registry management | Kubernetes: Deployments, StatefulSets, Jobs, CronJobs, Custom Resources | Helm: Chart development, dependency management, testing | Service mesh integration (e.g., Istio).

Expert-level GitOps implementation: Argo CD (ApplicationSets, sync waves, resource hooks) | Flux CD (Kustomize integration, multi-tenancy) | Terraform (module development, state management, drift detection) | Policy-as-Code (OPA, Kyverno).

3+ years designing cloud-native CI/CD architectures (AWS required; Azure/GCP a plus).

Experience with custom metrics, instrumentation, log aggregation, and large-scale monitoring.

Experience with eBPF-based observability.

Certifications such as: AWS DevOps Professional or Azure DevOps Expert | Kubernetes certifications (CKA, CKAD) | Google Cloud Professional DevOps Engineer | Jenkins Certified Engineer.

Attractive monthly salary paid in line with experience

Vacation, sick, and paid holidays

Flexible working hours

Full-time: 5/2

Modern workplace with all necessary equipment

A team of top international professionals to learn from

Multicultural working environment

Join Unlimit Team now!

Unlimit is an equal opportunity employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief.

Location & Eligibility

Where is the job

Belgrade, Serbia

On-site at the office

Who can apply

Listed under

Worldwide

Listing Details

Posted: October 9, 2025
First seen: March 26, 2026
Last seen: October 9, 2026

Posting Health

Days active: 196
Repost count: 0
Trust Level: 31%
Scored at: October 9, 2026

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Unlimit is a global fintech company offering comprehensive payment solutions to businesses, enabling them to expand and optimize their payment processes.

Employees

350

Founded

2009

Domain

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