Senior Site Reliability Engineer | Platform Engineering & Developer Experience at Criteo | AdTechTalent
Engineering2 months agoHybrid
Criteo
Senior Site Reliability Engineer | Platform Engineering & Developer Experience
site reliability engineeringSREplatform engineeringdeveloper experienceGoPythonC#RubyLinuxKubernetescontainersCI/CDinfrastructure-as-codeautomationAI-assisted developmentdistributed systemsDevOpssource code managementGerritGitlabcloud infrastructureobservabilityreliabilitymentorshipon-call
Key details
Salary
Not specified
Employment type
Permanent Full Time
Seniority
Senior
Years experience
5-10
Location
Bucharest, Romania
Full job description
Senior Site Reliability Engineer role in Platform Engineering & Developer Experience at Criteo. Responsibilities include designing, building, and operating developer platforms, ensuring reliability, scalability, security, and performance of critical systems, developing automation and platform services, improving integrations with CI/CD, evolving containerized and Kubernetes infrastructure, owning reliability lifecycle including monitoring and incident response, driving platform modernization, collaborating with engineering teams, contributing to technical strategy, mentoring peers, and documenting systems. Requirements include a master's degree or equivalent, 5+ years in SRE, platform engineering, DevOps, or software engineering, strong skills in Go, Python, C#, Ruby, understanding of distributed systems and cloud infrastructure, experience with Linux, containers, Kubernetes, CI/CD, infrastructure-as-code, source code management, and passion for automation and reliability. Nice to have experience with Gerrit, Gitlab, developer productivity platforms, and AI coding assistants. Soft skills include excellent communication, ownership mindset, problem-solving, and willingness for on-call rotation. Benefits include hybrid work model, career development, health and wellness support, inclusive team, competitive salary with performance rewards, and potential equity. Location: Bucharest, Romania.
What you'll do
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Design, build, and evolve the platform that powers software development across Criteo
Operate and improve critical systems including source code management and remote development environments
Ensure reliability, scalability, security, and performance for services used daily by engineering teams worldwide
Support the adoption of modern developer workflows and AI-assisted development tools
Develop platform services, APIs, and integrations that simplify software development and delivery
Build automation and self-service capabilities that allow engineering teams to move faster while maintaining high operational standards
Improve integrations with CI/CD and other internal platforms
Contribute to the evolution of containerized and Kubernetes-based infrastructure
Own the full reliability lifecycle of the platforms you support: monitoring, incident response, troubleshooting, root cause analysis, and long-term remediation
Define and implement best practices around observability, automation, capacity planning, and platform security
Continuously reduce operational toil through engineering and automation
Drive platform modernization initiatives and technical improvements
Partner closely with software engineers, ML engineers, data scientists, and platform teams to improve the overall developer experience
Contribute to technical strategy and architectural decisions
Share knowledge, mentor peers, and help define engineering best practices
Document systems and processes to improve platform adoption and operational excellence
Requirements
Master's degree in computer science or equivalent experience
5+ years of experience in SRE, Platform Engineering, DevOps, Software Engineering, or distributed systems
Strong software development skills in Go, Python, C#, Ruby, or similar languages
Solid understanding of distributed systems, cloud infrastructure, APIs, scalability, reliability, and software engineering best practices
Experience building or operating large-scale engineering platforms or infrastructure services
Power user on AI-assisted development practices
Strong experience with Linux server environments
Hands-on experience with containers and orchestration technologies such as Kubernetes
Familiarity with CI/CD, infrastructure-as-code, and automation practices
Experience operating developer platforms, source code management systems
Passion for automation, observability, reliability, and reducing operational complexity
Experience with Gerrit or Gitlab administration and operations (nice to have)
Familiarity with developer productivity platforms, remote development environments, or AI coding assistants (nice to have)
Experience supporting large engineering organizations (nice to have)
Excellent communication and collaboration skills
Strong ownership mindset and problem-solving abilities
Passion for improving developer productivity and engineering efficiency
Comfortable operating critical platforms at scale
Willingness to participate in the team's on-call rotation
Tech stack
GoPythonC#RubyLinuxKubernetesContainersCI/CDInfrastructure-as-codeGerritGitlabAI-assisted development tools
Benefits
Hybrid work model blending home and in-office experiencesLearning, mentorship & career development programsHealth benefits, wellness perks & mental health supportDiverse, inclusive, and globally connected teamAttractive salary with performance-based rewards and family-friendly policiesPotential for equity depending on role and levelAdditional benefits vary depending on country and employment nature
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