Shakibul Islam

System DesignCloud InfrastructureDevOps AutomationSite Reliability

shamilsakib@gmail.com

Location

Hamburg, Germany

Work Experience

9+ Years

Timeline

March 2022 - Present

Neumann Kaffee Gruppe (NKG)

Led end-to-end delivery of large-scale features on Azure cloud infrastructure, driving engineering roadmap decisions, sprint planning, and cross-team execution.
Introduced and standardized CI/CD pipelines with Bitbucket and Azure DevOps, cutting deployment overhead by over 50%, and enabling faster, reliable releases.
Spearheaded security enhancements by implementing OAuth2 authentication, role-based access control, audit logging, and ensuring compliance.
Deployed observability and monitoring solutions (logging, metrics, and error tracking), reducing incident detection time by 60%+ and improving system reliability.
Conducted cloud architecture reviews and technical workshops, mentoring teams and elevating expertise in DevOps, system design, and cloud-native practices.
Partnered with cross-functional teams and external vendors to define technical standards, align architectural strategies, and ensure seamless system integration.
Optimized database schemas; refactored legacy code to modernize design patterns, improve maintainability, and enhance system consistency.

September 2021 - February 2022

Neumann Kaffee Gruppe (NKG)

Identified and resolved performance bottlenecks, recommending refactoring approaches, and deployment automation that boosted maintainability and scalability.
Facilitated knowledge transfer sessions to upskill internal engineering teams on modern architecture and DevOps best practices.

October 2019 - August 2021

Field Buzz (Field Information Solutions GmbH)

Led a team of 10 backend engineers, overseeing requirement analysis, task breakdown, code reviews, and mentoring to drive team growth and unblock delivery.
Redesigned data syncing service, reducing server connections by 25% and improving app sync time by 30% for a field app with 350+ daily active users.
Designed and managed AWS server infrastructure, leveraging auto-scaling to boost availability from 96% to 99.5% while cutting costs by 15%.
Optimized report rendering by implementing database partitioning and smart caching, improving dashboard and report load times by 80%.

October 2017 - September 2019

Field Buzz (Field Information Solutions GmbH)

Migrated custom product development to a SaaS-based model, enabling new customer onboarding 60% faster than traditional custom-builds.
Built an in-house reporting tool with a drag-and-drop query builder/executor, simplifying the generation of critical business metrics and reports.
Built a smart survey tool with drag-and-drop support for 16 input types, reducing custom form development time by 90% and accelerating field data collection.

October 2015 - September 2017

Field Buzz (Field Information Solutions GmbH)

Among the first two backend engineers at the startup, built the core system architecture during the initial two years.
Developed a dynamic API consumption service for Android app, reducing API integration time by 90%.
Implemented multi-language support with client-side caching, boosting app loading speed by 70%.
Built an image quality optimization service, cutting client-side data usage on inventory/sales screens by 80% and reducing load times by 80%.

September 2013 - April 2015

PROGmaatic Developer Network

Worked on many different projects using technologies including Java, Python, Django, Android, OpenCV, Vuforia, and .NET framework.
Collaborated with the Android team to develop Color of Happiness, an app that allows users to virtually paint rooms and preview color schemes.

March 2013 - August 2013

PROGmaatic Developer Network

Trained in backend application development and API-based communication between platforms.
Learned the fundamentals of industry-level software engineering.

May 2010 - September 2015

from - Bangladesh University of Engineering and Technology (BUET),

Dhaka, Bangladesh