Senior Platform Engineer

Semble

. Improve developer productivity and enablement across the engineering organisation .

Posted 10/6/2026full-timeRemote • United Kingdom, FranceSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and improving internal developer platforms, CI/CD pipelines, and observability as code initiatives. Proficient in AWS, Kubernetes, and Infrastructure as Code practices, with a strong focus on developer enablement and operational excellence.

Highest-signal resume keywords

AWS Services ProficiencyKubernetes (EKS) ManagementInfrastructure as Code (Terraform)CI/CD Pipeline ImprovementDeveloper Experience Metrics

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

GoPythonTypeScriptShell ScriptingTerraformGitOps (Argo CD, Flux)Monitoring Tools (Datadog, Prometheus, Grafana)CI/CD Pipeline DesignDocumentation WritingObservability as Code

Soft Skills

Strong Communication SkillsInfluencing Technical Direction

Tools & Technologies

AWSKubernetes (EKS)MongoDBHelmGitOps Tools

Certifications & Qualifications

ISO 27001 Compliance

Industry Keywords

Developer EnablementSelf-Service ToolingGolden PathsDORA MetricsSPACE Framework

Tech Stack

Tools & technologies

AWSCloudEC2FluxGrafanaKubernetesMongoDBPrometheusPythonShell ScriptingTerraformTypeScriptGo

About the role

Key responsibilities & impact

Improve developer productivity and enablement across the engineering organisation
Build and improve self-service tooling and golden paths, including project templates, CI/CD pipelines, and scaffolding tools
Improve onboarding and reduce time to first meaningful production contribution
Run developer experience initiatives such as office hours, internal workshops, and lunch-and-learn sessions
Write and maintain documentation and runbooks
Gather developer experience signals and use them to prioritise the roadmap
Partner with engineering teams through shadowing, pairing, and dogfooding
Contribute to the Platform roadmap and define transparent success criteria
Contribute to observability as code initiatives
Provide highly available and performant AWS, Kubernetes (EKS), and MongoDB Cloud infrastructure
Harden production systems and improve uptime, graceful degradation, and automated recovery
Modernise CI/CD pipelines using GitOps practices such as ArgoCD
Evolve Terraform-based Infrastructure as Code
Establish or improve SLAs and SLOs for core platform infrastructure
Work with Security to improve compliance and security posture
Identify and deliver infrastructure cost-saving opportunities
Make architectural decisions, mentor engineers, and represent Platform priorities in cross-functional discussions

Requirements

What you’ll need

3–5 years of experience in software engineering
Meaningful experience as a product/application engineer before moving into platform work
Experience building or contributing to internal developer platforms, portals, or self-service tooling
Experience designing paved roads or golden paths
Experience improving CI/CD pipelines for reliability, speed, and developer feedback loops
Experience with developer enablement activities, documentation, training, pairing, or internal advocacy
Experience using developer experience metrics or frameworks such as DORA, SPACE, or internal DevEx surveys
Experience with monitoring and observability tools such as Datadog
Proficiency in at least one of Go, Python, TypeScript, or strong shell scripting
Strong communication skills and ability to influence technical direction across teams
Deep understanding of AWS services including IAM, S3, EC2, EKS, RDS, and Lambda
Experience running, maintaining, and troubleshooting Kubernetes clusters (EKS) in a production, multi-tenant environment
Proven Infrastructure as Code experience, particularly Terraform
Experience with configuration/deployment tooling such as Helm
Hands-on experience with GitOps CI/CD tooling such as Argo CD or Flux
Experience with MongoDB or similar managed database platforms
Experience monitoring and operating production systems using tools such as Datadog, Prometheus, or Grafana
Experience operating within a standards-compliant environment such as ISO 27001
Role is open to candidates located in the UK or France

Benefits

Comp & perks

36 days off: 25 holidays + bank holidays + 3 extra days (birthday and ‘feel good’ days)
Private Health Insurance covering physical and mental health, dental, and optical
Hybrid and flexible work environment
Flexibility to work across Europe
Latest MacBook, unless Windows is preferred
Choice of equipment for an ergonomic home office setup
Autonomy and ownership
Professional development and support for continued learning
Office amenities including barista coffee, tea, fruit, happy hours, and activities