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Wassim AkachiWA

Wassim Akachi

Senior Software & DevOps Engineer

€1,132/day
Hamburg, DE
8-15 years

Average response time: 1 hour

About Wassim

Hello! I'm a seasoned IT professional specializing as a Senior Software and DevOps Engineer, with a robust background in software craftsmanship. I bring over a decade of programming experience to the table. My expertise spans a wide range of programming languages, including Java, Kotlin, JavaScript, TypeScript, Python, and SQL. I am proficient in frameworks, SDKs, and standards such as Java EE, Spring Framework, AWS SDK, OpenID Connect (OIDC), and OAuth2 Providers. Throughout my career, I've developed a diverse array of software systems, from straightforward applications to complex multi-application infrastructures. My approach to software development emphasizes the use of standards and minimal dependencies, ensuring clean, maintainable, and efficient code. My skill set includes advanced techniques in test-driven development, test automation, and strong DevOps practices, including CI/CD and infrastructure as code with tools like Ansible, AWS CloudFormation, AWS CDK, Terraform, Helm, Kustomize, and Bash/Shell scripts. My experience extends to various cloud/hosting platforms such as Amazon Web Services (AWS), DigitalOcean, Hetzner Cloud, Kubernetes, and OpenShift. I possess robust knowledge in Linux server administration and architecture design for multi-stage deployments (dev, staging/pre-prod, prod). Automation is a key component of my deployment strategy, backed by extensive experience with Jenkins, GitLab-CI, and GitHub Actions. I am dedicated to delivering high-quality, impactful solutions and am always eager to embrace new challenges in the tech world.
Key Skills:
Advanced Programming: Java, Kotlin, JavaScript, TypeScript, Python, SQL.
Frameworks & Standards: Java EE, Spring Framework, AWS SDK, OIDC, OAuth2.
DevOps Expertise: CI/CD, Ansible, AWS CloudFormation, Terraform, Helm, Kustomize.
Cloud Platforms: AWS, DigitalOcean, Hetzner Cloud, Kubernetes, OpenShift.
System Administration: Linux servers, Multi-stage deployment architecture.
  • German

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Large Bank / financial institute
    Cloud Migration Automation Engineer
    BANKING AND INSURANCE
    August 2024 - August 2025 (1 year)
    Hamburg, Germany
    Worked as Migration Automation Engineer for a large financial institution to develop comprehensive migration patterns and automation solutions for migrating massive IT systems and workloads from multiple on-premise datacenters to Amazon Web Services. The project involved migrating diverse workload types including OpenShift containers, Linux/Windows VMs, Microsoft AlwaysOn Clusters, various database systems (MS-SQL, MySQL, MongoDB, Cassandra), messaging systems (RabbitMQ, Apache ActiveMQ), load balancers, firewall appliances, and storage systems. Developed automated migration workflows with multiple phases including DNS TTL management, OpenShift resource backup and restore, DNS entry changes, and cutover runbook automation. Created migration templates and wave-based execution strategies using advanced AWS services and automation tools. Implementation and automation of DevOps processes using Ansible for Infrastructure as Code, GitLab-CI for continuous integration/deployment, and Jenkins for build automation to ensure efficient and reliable software delivery. Design and implementation of scalable deployment strategies through development of custom Helm Charts for Kubernetes orchestration and Bash scripts for automated deployment processes, including multi-environment support (Dev, Staging, Production). Systematic execution of root-cause analysis for complex technical issues in self-developed and legacy systems, including implementation of sustainable solution strategies and preventive monitoring measures. Design and delivery of technical training programs as well as strategic consulting for users and stakeholders to optimize workflows, best practices, and technology adoption.
    Amazon Web Services (AWS) Python AWS Lambda AWS Step Functions DevOps
  • Smaato
    Senior Software & DevOps Engineer
    TELECOMMUNICATIONS
    October 2021 - October 2024 (3 years)
    Hamburg, Germany
    Designed, implemented, tested, and deployed high-performance applications with minimal oversight, ensuring reliability and scalability of complex multi-application systems. Optimized release and deployment processes, raising delivery quality and speed. Led design and implementation of large components, shaping system architecture and project outcomes. Provided strategic guidance on design, prioritization, and debugging, aligning teams across Product, Project, and Business. Mentored Engineers I & II, offering solutions and coaching collaboration practices. Automated DevOps workflows using Ansible (IaC), GitLab-CI (CI/CD), and Jenkins (build automation). Designed scalable deployment strategies with custom Helm charts for Kubernetes orchestration and Bash scripts supporting multi-environment rollouts (Dev, Staging, Prod). Performed root-cause analysis for complex issues in legacy and modern systems, delivering sustainable fixes and preventive monitoring. Delivered technical training and consulting to optimize workflows, best practices, and technology adoption. Enhanced and extended proprietary testing framework; created a Kotlin-based Domain Specific Language (DSL) for system testing, enabling expressive and maintainable test cases. Contributed to a massive-scale ad exchange system running in 4 regions with 10+ clusters each (~2,400 VMs total on AWS). Each Auto Scaling Group had an ALB handling 400k+ requests/sec. The platform processed millions of daily requests per cluster/region, each request generating 5–10 Kinesis events. Optimized EC2 instances to manage thousands of concurrent requests. Feature deployments were executed by adding new Auto Scaling Groups behind cluster ALBs, with production releases twice weekly. The system delivered enterprise-scale stability, extreme performance, and reliability in the AdTech space
    Java Amazon Web Services Jenkins Spring boot
  • MaritzCX
    System Engineer
    TELECOMMUNICATIONS
    September 2015 - September 2017 (2 years)
    Hamburg, Germany
    In the role as an IT System Engineer, I am responsible for the following tasks:
    • Providing pre-sales support for Engineering solutions
    • Creating, testing, documenting, integrating and implementing software components for client programmes
    • Developing feasibility and requirements documentation
    • Working with Agile methods to ensure on-time and in-budget delivery of tasks within the sprint backlogs
    • Planning and carrying out testing strategies, which included unit, system and inte- gration testing
    • Providing support for implemented solutions including internal and external user queries and associated fixes and changes
    • Providing technical leadership and guidance to the business

    • Conducting on the job coaching to other Engineers in the business Technologies used: C# .NET Framework Java Ruby PHP Javascript
    PHP JavaScript C# Java

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Education

  • Bachelor of Science
    Technische Universität Hamburg-Harburg
    2015
    Bachelor of Science (B.Sc.), Computer Science and Engineering

Skill set

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