Qaiser Abbasi-Freelance Lead DevOps Engineer
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Experience
Freelance Lead DevOps Engineer
Schwarz Gruppe Produktion
Bootstrapping a CloudOps team and building a multi-cloud provider backend for a low-code Internal Developer Platform (IDP) with env zero
Introducing user story mapping, ADRs, milestones, and backlog management
Designing and developing core APIs, setting up CI/CD pipelines, OpenTofu/Terraform scripts
Representing and communicating the team with third-party stakeholders (e.g. env zero)
(Cross-)team coaching on DevOps, software design, Terraform, Golang, and agile practices
Freelance DevOps Engineer
HUK-Coburg
Migrating and optimizing core services in a hybrid cloud environment
Designing and implementing data services to create a service catalog with Backstage.io
Developing a Kafka HTTP proxy in Golang as a secure replacement for the Confluent version
Building a high-performance Lambda function as a custom AWS API Gateway authorizer and Terraform module
Extending a TypeScript-based pipeline to integrate with IBM API Connect
Creating a technical blueprint for transferring large BLOBs from AWS VPC to the on-premise network
Team coaching on AWS, Terraform, Golang, and Quarkus
Freelance DevOps Engineer
SCAYLE Storefront
Developing a service facade to encapsulate core business logic (shopping cart, wishlist, search) with a focus on scalability and performance
Replacing an almost unmaintainable PHP legacy interface with a high-performance Go implementation
Significantly improving API performance and scalability compared to the legacy interface
Working on architecture decisions with tech leads and evaluating new technologies
Contributing to the development of the open-source TypeScript SDK for the Storefront API
Coaching and providing technical support to junior developers in Golang
Freelance DevOps Engineer
RTL
Implementing central data and search services for the new RTL+ app
Advising on the buy-vs-build decision for Elasticsearch (self-managed vs. cloud service)
Developing a microservice architecture with Python on Google Kubernetes Engine (GKE)
Evaluating the performance of the new interfaces
Coordinating and communicating between departments in stakeholder management
Freelance DevOps Engineer
Delivery Hero
Integrating the partners API and optimizing internal backoffice applications
Implementing additional use cases for order processing, product database, and catalog management
Improving CI/CD workflows
Expanding the test suite with a focus on reliability and efficiency
Freelance DevOps Engineer
IKEA
New and ongoing development of a Google Cloud application to link the warehouse management system to robotic components
Development of microservices on Google Cloud Platform using Cloud Functions and Cloud Run
Infrastructure automation with Terraform
Support for the product owner in requirements analysis
Freelance DevOps Engineer
Taxdoo
Design and implementation of a high-performance import service for transaction data from third-party payment providers
Development of a low-latency import service with AWS Lambda
Design of a data warehouse setup including visualization with AWS QuickSight
Development of interfaces for automated VAT ID validation
Lecturer in Software Engineering
FOM Hochschule
- github.com/bbq2100/swe
Freelance IT Consultant
Freelance IT Consulting
- Specialization in DevOps and cloud infrastructure
Freelance DevOps Engineer
SAP Cloud Platform Application Performance Monitoring
Feasibility study for cloud cost optimization in Dynatrace Synthetic Monitoring
Terraform deployment of ActiveGate in Alibaba Cloud, Azure, AWS, and GCP
Benchmark analyses with hardware sizing recommendations
Further development of SAP-internal Dynatrace CLI tool in Go
Senior DevOps Engineer, Search
SoundCloud
Further development of SoundCloud search systems and operation of large-scale Elasticsearch clusters (approx. 100 nodes)
Integration of a learning-to-rank approach based on user behavior to improve search relevance
Reduced reindex duration from 6 to 1 hour and improved p95 search latency by 4x
Created A/B test proposals and RFCs (e.g. "Exact Match Searches")
On-call duty and incident management for up to 2,000 search queries per second
Senior DevOps Engineer, Product Development
Dibuco
Developed a big data platform
bigdata4biz.com
Senior IT Consultant
Codecentric
- DevOps consulting for Douglas, Aareal Bank and FAZ
IT Consultant
Novatec Consulting
- Consulting in the Java environment for Commerzbank, Daimler, Bosch and Swissgrid
Computer Science, B.Sc.
Frankfurt University of Applied Sciences
- Bachelor thesis: evaluation of github.com/NovatecConsulting/BeanTest
Industry Experience
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Experienced in Information Technology, Retail, Media and Entertainment, Education, Banking and Finance, and Automotive.
Business Area Experience
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Experienced in Information Technology, Product Development, Operations, Research and Development, Quality Assurance, and Business Intelligence.
Summary
Cloud Solutions Architect with 15 years of experience, specializing in Go, Terraform, and AWS/GCP multi-cloud environments. Proven track record in engineering high-scale distributed systems, notably architecting a solution at SoundCloud to reindex 1 billion documents within a single hour. Since 2020, operating as a freelance consultant, providing high-impact expertise as a Lead Engineer and Hands-on Architect. My work spans the entire lifecycle of technical leadership—from initial system design and cloud infrastructure orchestration to mentoring engineering teams and implementing robust, scalable production environments that meet the highest technical standards.
Skills
- +++ Excellent Knowledge, Gained Through Many Years Of Project Experience
- ++ Good Knowledge, Deepened Through At Least One Long-term Project
- Basic Knowledge, E.g. Through Prototypes Or Occasional Use
Programming Languages
- Go/golang (+++)
- Java (+++)
- Scala (++)
- Python (++)
- Typescript/javascript (+)
- Bash (++)
- Sql (+)
Cloud
- Amazon Web Services (Aws) (+++)
- Google Cloud Platform (Gcp) (++)
- Microsoft Azure (+)
- Stackit (++)
- Scaleway (+)
Computing
- Kubernetes (++)
- Linux On-premise (+++)
- Ecs (+)
- Aws Lambda (+++)
- Aws State Machine/step Functions (+++)
Monitoring
- Grafana/prometheus (++)
- Elk Stack (+)
- Datadog (+)
- Aws Cloudwatch (++)
- Open Telemetry (++)
- Splunk (+)
Ci/cd
- Jenkins (+++)
- Gitlab Ci (+++)
- Go Cd (+)
- Azure Devops (+++)
- Github Actions (+++)
Frameworks, Libraries
- Spring Boot (++)
- Quarkus (+++)
- Gin (+++)
- Echo (++)
- Pandas (++)
- Fastapi (++)
- Jest (+)
- Swagger (+++)
- Pydantic (++)
- Jupyter (++)
- Angularjs (++)
- Reactjs (+)
- Ginkgo (+++)
- Junit (+++)
- Mockito (+++)
- Testcontainers (+++)
- Gomega (+++)
- Httpexpect (+++)
- Testify (+++)
Industries
- Banking
- Insurance
- E-commerce
- Energy
- Media & Entertainment
- Logistics
- Music
- Cybersecurity
- Industrial Iot
- Publishing
- Retail
Methods
- Scrum (+++)
- Kanban (+++)
- Clean Code (+++)
- Tdd (+++)
- Serverless (+++)
- Microservices (+++)
- Domain-driven Design (++)
- Design Pattern (++)
- Event-driven Architecture (+++)
- Entity-relationship Modeling (+++)
Api, Networking, Protocols
- Rest/http (+++)
- Grpc (++)
- Oauth (++)
- Protobuf (++)
- Webrtc (+)
- Cdn (+)
- Api Gateway (+++)
- Load Balancing (+)
- Vpc (++)
Messaging
- Apache Kafka (+++)
- Aws Sns/sqs (++)
- Firebase (+)
- Mqtt (+)
Databases
- Postgresql (++)
- Mysql (++)
- Mongodb (+)
- Cassandra (+)
- Elasticsearch (+++)
- Redis (++)
- Aws Rds (++)
- Aws Dynamodb (+++)
Infrastructure As Code
- Terraform (+++)
- Terraform Enterprise (++)
- Open Tofu (+++)
- Env Zero (+++)
- Terratest (++)
- Aws Cdk (++)
- Cloudformation (+)
- Ansible (++)
- Chef (++)
- Argocd (++)
- Vagrant (+)
- Helm (++)
- Kustomize (+)
Tools
- Docker (+++)
- Gnu Make (+++)
- Bash (+++)
- K6 (++)
- Git (+++)
- Maven (+++)
- Sbt (++)
- Gradle (+)
- Swagger/openapi (+++)
- Kerberos (+)
- Confluece/jira (+++)
- Renovate (++)
- Envrc (+++)
- Hashicorp Vault (++)
- Taskfile (+++)
- Bruno (+++)
- Alertmanager (++)
- Pagerduty (++)
- Plantuml (++)
Languages
Education
Frankfurt University of Applied Sciences
B. Sc. · Computer Science · Frankfurt, Germany
Certifications & licenses
AWS Developer
Elasticsearch Engineer 2
TDD Workshop with Robert C. Martin
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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