Qaiser Abbasi - Freelance Lead DevOps Engineer

Q: Where is Qaiser based?

Qaiser is based in Berlin, Germany .

Q: What languages does Qaiser speak?

Qaiser speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Qaiser have?

Qaiser has at least 14 years of experience. During this time, Qaiser has worked in at least 9 different roles and for 15 different companies . The average length of individual experience is 1 year . Note that Qaiser may not have shared all experience and actually has more experience.

Q: What is Qaiser's latest experience?

Qaiser's most recent position is Freelance Lead DevOps Engineer at Schwarz Gruppe Produktion .

Q: What companies has Qaiser worked for in recent years?

In recent years, Qaiser has worked for Schwarz Gruppe Produktion , HUK-Coburg , SCAYLE Storefront , RTL , and Delivery Hero .

Q: Which industries is Qaiser most experienced in?

Qaiser is most experienced in industries like Information Technology (IT) , Retail , Media, and Entertainment and Publishing . Qaiser also has some experience in Education , Banking and Finance , and Automotive .

Q: Which business areas is Qaiser most experienced in?

Qaiser is most experienced in business areas like Information Technology (IT) , Product Development , and Operations . Qaiser also has some experience in Research and Development (R&D) , Business Intelligence , and Quality Assurance (QA) .

Q: Which industries has Qaiser worked in recently?

Qaiser has recently worked in industries like Information Technology (IT) , Retail , and Insurance .

Q: Which business areas has Qaiser worked in recently?

Qaiser has recently worked in business areas like Information Technology (IT) , Product Development , and Operations .

Recommended expert

Berlin, Germany

Experience

Dec 2024 - Present

1 year 4 months

Germany

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 the core APIs, setting up CI/CD pipelines, OpenTofu/Terraform scripts
Representing and communicating for the team with third-party stakeholders (e.g., env zero)
(Cross-)team coaching on DevOps, software design, Terraform, Golang, and agile methods

Jan 2024 - Dec 2024

1 year

Germany

Hybrid

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 using Backstage.io
Developing a Kafka HTTP proxy in Golang as a secure alternative to the Confluent version
Creating a high-performance Lambda function as a custom AWS API Gateway authorizer and Terraform module
Enhancing a TypeScript-based pipeline to connect to IBM API Connect
Technical blueprint for transferring large BLOBs from an AWS VPC to the on-premise network
Team coaching on AWS, Terraform, Golang, and Quarkus

Nov 2022 - Nov 2023

1 year 1 month

Germany

Freelance DevOps Engineer

SCAYLE Storefront

Developing a service facade to encapsulate core business logic (cart, wishlist, search) with a focus on scalability and performance
Replacing a barely maintainable PHP legacy interface with a high-performance Go implementation
Significantly improving API performance and scalability compared to the legacy interface
Working with tech leads on architecture decisions and evaluating new technologies
Contributing to the development of the open-source TypeScript SDK for the Storefront API
Coaching and supporting junior developers in Golang

Apr 2022 - Dec 2022

9 months

Germany

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 performance of the new interfaces
Coordinating and communicating between departments in stakeholder management

Nov 2021 - Apr 2022

6 months

Germany

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

Apr 2021 - Nov 2022

1 year 8 months

Germany

Freelance DevOps Engineer

IKEA

New development and further enhancement of a Google Cloud application to connect the warehouse management system to robotic components
Developing microservices on Google Cloud Platform using Cloud Functions and Cloud Run
Automating infrastructure with Terraform
Supporting the product owner in requirements analysis

Dec 2020 - Jul 2021

8 months

Germany

Freelance DevOps Engineer

Taxdoo

Designing and implementing a high-performance import service for transaction data from third-party payment providers
Building a low-latency import service with AWS Lambda
Designing a data warehouse setup including visualization with AWS QuickSight
Developing interfaces for automated verification of VAT IDs.

Sep 2020 - Jun 2021

10 months

Berlin, Germany

Lecturer for Software Engineering

FOM Hochschule

github.com/bbq2100/swe

Apr 2020 - Present

6 years

Berlin, Germany

Freelance IT Consultant

Freiberufliche IT-Beratung

Specializing in DevOps and cloud infrastructure

Apr 2020 - Dec 2020

9 months

Germany

Freelance DevOps Engineer

SAP Cloud Platform Application Performance Monitoring

Feasibility study on 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's internal Dynatrace CLI tool in Go

Apr 2018 - Apr 2020

2 years 1 month

Berlin, Germany

Senior DevOps Engineer, Search

SoundCloud

Developed SoundCloud search systems and ran large-scale Elasticsearch clusters (around 100 nodes)
Integrated a learning-to-rank approach based on user behavior to boost search relevance
Cut reindex time from 6 to 1 hour and improved p95 search latency by four times
Wrote A/B test proposals and RFCs (e.g., "Exact Match Searches")
Provided on-call support and managed incidents for up to 2,000 search queries per second

Apr 2017 - Apr 2018

1 year 1 month

Frankfurt, Germany

Senior DevOps Engineer, Product Development

Dibuco

Built a Big Data platform
bigdata4biz.com

Apr 2016 - Apr 2017

1 year 1 month

Frankfurt, Germany

Senior IT Consultant

Codecentric

DevOps consulting for Douglas, Aareal Bank, and FAZ

Sep 2014 - Apr 2016

1 year 8 months

Frankfurt, Germany

IT Consultant

Novatec Consulting

Consulted in the Java environment for Commerzbank, Daimler, Bosch, and Swissgrid

Oct 2011 - Aug 2014

2 years 11 months

Frankfurt, Germany

Computer Science studies, B.Sc.

Frankfurt University of Applied Sciences

Bachelor thesis: Evaluation of github.com/NovatecConsulting/BeanTest

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (7 years), Retail (4 years), Media and Entertainment (3.5 years), Education (3.5 years), Banking and Finance (3 years), and Automotive (1.5 years).

Information Technology

Retail

Media and Entertainment

Education

Banking and Finance

Automotive

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (14.5 years), Product Development (5.5 years), Operations (3.5 years), Research and Development (3 years), Quality Assurance (0.5 years), and Business Intelligence (0.5 years).

Information Technology

Product Development

Operations

Research and Development

Quality Assurance

Business Intelligence

Skills

+++ Excellent Skills, Built Up Over Many Years Of Project Experience
++ Good Skills, Deepened By At Least One Longer 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 Patterns (++)
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 (+)
Confluence/jira (++)
Renovate (++)
Envrc (++)
Hashicorp Vault (++)
Taskfile (+++)
Bruno (+++)
Alertmanager (++)
Pagerduty (++)
Plantuml (++)

Languages

German

Native

English

Advanced

Education

Oct 2011 - Aug 2014

Frankfurt University of Applied Sciences

B. Sc. · Computer Science · Frankfurt, Germany

Certifications & licenses

AWS Developer

Elasticsearch Engineer 2

TDD Workshop with Robert C. Martin

Profile

Created

September 2025

Last Update

January 2026

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Qaiser based?

Qaiser is based in Berlin, Germany.

What languages does Qaiser speak?

Qaiser speaks the following languages: German (Native), English (Advanced).

How many years of experience does Qaiser have?

Qaiser has at least 14 years of experience. During this time, Qaiser has worked in at least 9 different roles and for 15 different companies. The average length of individual experience is 1 year. Note that Qaiser may not have shared all experience and actually has more experience.

What roles would Qaiser be best suited for?

Based on recent experience, Qaiser would be well-suited for roles such as: Freelance Lead DevOps Engineer, Freelance DevOps Engineer, Lecturer for Software Engineering.

What is Qaiser's latest experience?

Qaiser's most recent position is Freelance Lead DevOps Engineer at Schwarz Gruppe Produktion.

What companies has Qaiser worked for in recent years?

In recent years, Qaiser has worked for Schwarz Gruppe Produktion, HUK-Coburg, SCAYLE Storefront, RTL, and Delivery Hero.

Which industries is Qaiser most experienced in?

Qaiser is most experienced in industries like Information Technology (IT), Retail, Media, and Entertainment and Publishing. Qaiser also has some experience in Education, Banking and Finance, and Automotive.

Which business areas is Qaiser most experienced in?

Qaiser is most experienced in business areas like Information Technology (IT), Product Development, and Operations. Qaiser also has some experience in Research and Development (R&D), Business Intelligence, and Quality Assurance (QA).

Which industries has Qaiser worked in recently?

Qaiser has recently worked in industries like Information Technology (IT), Retail, and Insurance.

Which business areas has Qaiser worked in recently?

Qaiser has recently worked in business areas like Information Technology (IT), Product Development, and Operations.

What is Qaiser's education?

Qaiser holds a Bachelor in Computer Science from Frankfurt University of Applied Sciences.

Does Qaiser have any certificates?

Qaiser has 3 certificates. These include: AWS Developer, Elasticsearch Engineer 2, and TDD Workshop with Robert C. Martin.

What is the availability of Qaiser?

Qaiser is immediately available full-time for suitable projects.

What is the rate of Qaiser?

Qaiser's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.