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Exemple de missions d'Amine,
DevOps freelance

Expérience professionnelle

Experiences

Altiplanic, Remote — Blockchain Infrastructure Engineer
April 2023 to December 2024.
As a Blockchain Infrastructure Engineer specializing in various public cloud platforms, I
focus on architecting and maintaining highly resilient infrastructure tailored for dApps,
blockchain nodes, and validators nodes. Leveraging cutting-edge DevOps methodologies,
I ensure peak performance, enhanced security, and scalability. My expertise spans
deploying robust blockchain ecosystems on dierent type of stacks. Ensuring the
seamless operation and reliability of decentralized applications in dynamic
environments.

Société Général, Paris — Senior Cloud DevOps
March 2021 at March 2023.
As a DevOps Cloud Engineer, my mission consists of providing dierent stacks and
supporting projects that need to lift/ shift, re-platform, or even build from scratch their
applications or backends API services or other types of workloads in public external cloud
AWS using DevOps and SecOps best practices.

Energi Core LTD, Remote — Lead DevOps Architect
February 2020 To January 2021.
As a Lead DevOps & Architect, my mission at Energi is to design & lead in delivering
accurate, maintainable, scalable infrastructure solutions for decentralized applications,
including all BlockOps, DevOps, SecOps, Network, and FinOps-related topics.

MALAKOFF MEDERICK, Paris — DevOps Infrastructure Engineer
March 2019 to March 2020
As a DevOps Infrastructure and system engineer. main goals were to implement technical
solutions and services to build, release, and deploy automated workflows. and more
deliverables in detail in the below sections.

AXA GROUP, Paris - DevOps Cloud Engineer
Octobre 2017 to Junuary 2019

Professional Experiences: Including Context, Responsibilities & Deliverables

Société Général, Paris — Senior Cloud DevOps
March 2021 at March 2023.
Context:
As a DevOps Cloud Engineer, my mission at “Société Général” consists of providing dierent stacks and supporting
projects that won't lift and shift or re-platform or even build from scratch their applications or backends API
services or other types of workloads in public external cloud AWS (ECS, EKS, OpenShift, …) using DevOps and
SecOps best practices.
Also participating in architecture designs, the implementation of proof of concepts on Sandbox environment then
lifting target architecture to development till the production of the service. Also being an actor in dierent
Landing zones and infrastructure group implementations.
Responsibilities:
- Technical lead on infrastructure industrialization actions on AWS & Openshift as well as on the internal SG
Cloud.
- Technical Lead on networking solutions in AWS and Customer DC connectivity.
- Maintaining Infrastructure modules starter kits and CICD templates used by multiple projects.
- Maintaining and upgrading the Openshift platform hosting CI/CD masters on AWS.
- Ensure the integration and automatic deployment of various credit risk APIs and systems under AWS
pattern and Openshift patterns.
- Provide support to developers during the development of services and features on AWS & Openshift.
Deliverables:
- Actor of a Landing Zone design & implementation on AWS.
- Implementation of a network stack for Hybrid cloud with resilient connectivity over customer DC.
- Implementation of Reverse Proxies in Hub Cloud accounts for managing and routing the trac from
Applications hosted in Openshift or in AWS projects accounts through a proxy to other targets (internal DC
& Azure).
- Maintaining and supporting Opensfhit platform, to help project teams host their containerized workloads
and promote their applications from dev to prod using RedHat best practices.
- Manage RBAC for features teams and apply specific policies for security namespace boundaries.
- Onboard and train dierent teams over Openshift/kubernetes concepts (BuildConfigs, DeploymentConfigs,
Secrets, Ingress, ConfigMaps, SA|RoleBinding, PVC|PV, ..) to host their application under Openshift
Platform.
- Support developers build & deploy their application using the S2I framework.
- Promoting applications across environments.
- Manage Quotas and Limit Ranges.
- Manage Kube2IAM under Openshift for RBAC accesses on dierent Jenkins to isolate access of the IAM
assumed roles under dierent AWS accounts.
- Implementation of various serverless architectures with Terraform as IAC, or with CDK’s Framework
(Python, Java & JS) for various internal clients. (services used : EKS, CDN & S3, API gateway & Lambda with
Dynamo, ECS & Aurora, Redshift & EMR, VPCE, internal load balancing & Transit Gateways, Proxies, ..)
- Implementation of K8S Hybrid clusters using internal TLS communication over a mesh network, with a
high resiliency system with various and necessary controllers (Istio, Nginx controller, Karpenter, Metrics
server, External DNS, CSI driver, Complete Monitoring/Alerting stack )in AWS & Azure Clouds.
- Implementation of Squid proxy Project for interconnecting customer DC to AWS & Azure for transferring &
receiving data securely over HTTPS & X-tokens over various cloud networks.
- Implementation of a centralized Monitoring & Alerting stack using AlertManager, PushGateway,
Prometheus, and Grafana as a Global monitoring/alerting stack.
- Implementation of FluentD & FluentBit for streaming logs from containerized applications to S3 logging
accounts.
- Development of Infrastructure Flask APIs for securely giving autonomy to Project accounts to create network
routes using a managed reverse proxy service
Supporting implementation over OpenShift Platform in customer internal Cloud.
- Managing and maintaining a central and local docker image repository for secure base images consumed by
project teams.
- Implementation of various libraries of pipeline under Jenkins.
- Implementation of various libraries of pipeline under Gitlab.
- Implementation of various deployment configurations.
- Migration of Resilient Scalable multiple Risk Credit Calculator APIs (Spring boot) to AWS.

“Energi Core” LTD, Remote — Lead DevOps Architect
February 2020 To March 2021.
Context
“Energi Core” is a cryptocurrency and blockchain-based financial technology organization, with the goal of
delivering powerful decentralized solutions to the modern world. My mission was to design infrastructure
architectures and Lead all BlockOps, DevOps, SecOps, Network related topics over a team of 5 resources, in order to
achieve sustainable, expandable, and secure Cloud infrastructure.
Responsibilities:
- Infrastructure Architecture design on AWS, Equinix & Cloudflare.
- Technical lead on infrastructure industrialization actions on AWS, Equinix & Cloudflare
- Technical Lead on networking solutions in AWS and Customer DC connectivity.
- Building & deploying workloads, Dapps, backend services, Energi APIs, and Blockchain nodes.
- Building & maintaining Staking nodes on Ethereum, with a diversification of Ethereum validator/beacon
clients.
- Supported Blockchain Devs on various CI implementation for unit testing, coverage, SAST for dierent
languages Golang, Typescript, Python, Solidity.
- Ensuring the integration, tests, and automatic deployment of the various APIs and software.
- Provide necessary support to developers during the development of services, and actors in software design.
- Securing assets of dierent backend smart contracts related to dierent Apps on dierent Vault systems.
- Enhancing infrastructure with the latest technologies for more security & apply best practices in terms of
Infra management and DevOps & SecOps related topics.

Deliverables:
- Architecting and automating the AWS Organization landing zone to orchestrate the framework of
dierent AWS environments.
- Architecting and automating the infrastructure Network as a code layer for dierent accounts and regions.
- Set up Private DNS of the organization and NAT private tools over VPN from dierent Accounts.
- Set up a CI/CD framework using Gitlab, and scalable compute GitLab runners to run high blockchain workloads.
- Build and Provision automated Blockchain nodes, being configured to serve RPC and WS calls.
“Ethereum, BSC, Polygon, and Energi on testnet and mainnet environment”.
- Build and maintain Staking platform with Ansible playbook based on Ethereum nodes with diversified CL
(beacon + validators ) & EL (execution), MEV BOOST, with observability features to monitor node infrastructure
(node exporters) and application behavior (Prometheus libraries ) using Prometheus, Grafana and AlertManager
Lift & Shift blockchain apps from standalone servers into Kubernetes workload.
- Set up infrastructure and application monitoring KPIs and alerting over Slack.
- Setup dierent serverless architectures for :
● Securing assets generally keys in secure Vaults.
● Serving static content with IPFS as a decentralized distributed Web.
● Set up NFT & Metadata indexers to index NFT Marketplace Data from archive Blockchain nodes.
● Set up Advanced Graphnode infrastructure under Kubernetes for indexing subgraphs from
blockchain nodes events and serving it to dapps over GraphQL queries, and assuring both
scalability & performance.
● Setup Logging solution based on EFK stack over dierent clusters.
● Writing Stateless Lambda handlers that take charge of dierent technical or applicative actions.
● Set up Skynet Security Lambdas for security compliance.
- Led & trained, DevOps team around Blockchain & Cloud Infrastructure knowledge

MALAKOFF MEDERICK, Paris — DevOps Infrastructure Engineer
March 2019 to March 2020
Context:
As a Cloud DevOps Infrastructure and system engineer. My goals were to understand the software engineering
needs & implement DevOps technical solutions and services that integrate software over a comprehensive CI then
release it till production, with a proper moni...