Fady Kuzman - Senior Software Developer / Tech Lead

Q: Where is Fady based?

Fady is based in Berlin, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Fady speak?

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

Q: How many years of experience does Fady have?

Fady has at least 8 years of experience. During this time, Fady has worked in at least 4 different roles and for 4 different companies . The average length of individual experience is 2 years . Note that Fady may not have shared all experience and actually has more experience.

Q: What is Fady's latest experience?

Fady's most recent position is Senior Software Developer / Tech Lead at Specific Objects Technologies GmbH .

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

In recent years, Fady has worked for Specific Objects Technologies GmbH and MaibornWolff GmbH .

Q: Which industries is Fady most experienced in?

Fady is most experienced in industries like Information Technology (IT) , Biotechnology , and Transportation and Logistics . Fady also has some experience in Government and Public Administration and Insurance .

Q: Which business areas is Fady most experienced in?

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

Q: Which industries has Fady worked in recently?

Fady has recently worked in industries like Information Technology (IT) , Transportation and Logistics , and Government and Public Administration .

Q: Which business areas has Fady worked in recently?

Fady has recently worked in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) .

Recommended expert

Berlin, Germany

Experience

May 2023 - Apr 2025

2 years

Senior Software Developer / Tech Lead

Specific Objects Technologies GmbH

Project 1: Multi-Tenant SaaS Platform: Data Integration & Pricing Management
Objective: New development of ELT pipeline (replacement for Java 6 legacy), integration of heterogeneous source systems (CSV, Excel, Email, external DBs), event-sourcing for complete auditability, multi-tenant architecture for tenant-capable data processing
Challenge: Processing millions of records daily, audit compliance, data isolation between different tenants
Solution: Stakeholder workshops for requirements analysis, event-driven architecture with Axon Framework and Apache Kafka, AWS services (EC2, S3, Lambda, SQS, API Gateway) for cloud integration, PostgreSQL with tenant-specific schemas for multi-tenant data isolation, REST API design with Spring Boot for external system integrations, comprehensive testing strategy (JUnit, Spring Test, Postman, PACT, ArchUnit)
Results: ELT performance improved from 30+ min to 1-5 min; 2-3 hours daily saved through workflow automation; 10-20 hours/week saved through event-sourcing auditability; 100% audit compliance; secure multi-tenant data isolation for 10+ tenants
Project 2: Multi-tenant CRM System Modernization
Objective: Migration of CRM system (20+ years PHP/MySQL) to Java microservices, Domain-Driven Design implementation, establishment of Test-Driven Development, multi-tenant-capable SaaS architecture for multiple customer tenants
Challenge: Remodeling complex business logic, no existing test culture, scalable tenant management with data isolation
Solution: Comprehensive testing strategy (JUnit, Spring Test, Postman, PACT, ArchUnit), multi-tenant architecture with tenant-specific databases, REST API design with Spring Boot for cross-tenant integration, Kubernetes and Docker for container orchestration
Results: 2× performance improvement; deployment time reduced from 40+ min to 5-7 min; migration without production outages; scalable multi-tenant solution for 15+ customer tenants
Technologies: Java, Spring Boot 3.x, Angular, Apache Kafka, AWS (EC2, S3, Lambda, SQS, API Gateway), PostgreSQL, Axon Framework, Kubernetes, Docker, GitLab CI, REST API

Jan 2021 - Apr 2023

2 years 4 months

Senior Developer

MaibornWolff GmbH

Project 1: Deutsche Bahn Mobile Backend
Objective: Backend for Android app (50,000+ DB employees), API design and microservices architecture, Domain-Driven Design
Challenge: Replacement of legacy monolith (2,000,000+ lines), millisecond-range performance for 50,000+ concurrent users, high-availability PostgreSQL database architecture
Solution: Breakdown into 7 microservices with bounded contexts, Kotlin-based microservices with Apache Kafka, PostgreSQL with optimized indexes and partitioning, REST API design for mobile connectivity, Kubernetes and Docker for container orchestration
Results: Replacement with 7 microservices, millisecond-range performance, zero-downtime migration, 99.9% uptime for 50,000+ employees
Project 2: Government Digitalization Portal
Objective: Fullstack development of internet portal for public administration, backend with Java/Spring Boot, frontend with Angular, integration of various administrative backend systems
Challenge: Integration of heterogeneous legacy systems, 24/7 high availability and load peaks, strict compliance (GDPR, BITV 2.0)
Solution: Secure-by-design microservices architecture, REST API gateways for system integration, Kubernetes and Docker with 85% test coverage
Results: 100,000+ transactions/month, 24/7 high availability, GDPR and BITV 2.0 compliance
Technologies: Java, Spring Boot, Microservices, Angular, Oracle DB, Kubernetes, Docker, Helm, REST API, Terraform

Jul 2019 - Jul 2020

1 year 1 month

Technical Lead

Qcentris GmbH

Objective: End-to-end test automation for insurance application, test data management system
Challenge: Legacy UI with complex business rules, manual test times of 2 weeks per release
Solution: Java-based framework with Selenium and Page Object Pattern, Spring Boot system for test data generation, Docker for CI/CD integration
Results: Manual test times reduced from 2 weeks to 2 days (80% reduction); 90% less manual test data work
Technologies: Java, Spring Boot, Selenium, TestNG, Maven, TOSCA, MySQL, Docker, REST APIs

Aug 2016 - May 2019

2 years 10 months

Software Developer

SKAN Deutschland GmbH

Objective: System architecture for scientific measurement software, ML algorithms for data evaluation
Challenge: Real-time data processing, complex scientific algorithms
Solution: Modular architecture with Docker containerization, machine learning for data evaluation
Results: 50% improvement in measurement accuracy, 300% productivity increase
Technologies: Python, NumPy, Pandas, Scikit-learn, PostgreSQL, Java, Spring Boot, Docker

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 (5.5 years), Biotechnology (3 years), Transportation (2.5 years), Government and Administration (2.5 years), and Insurance (1 year).

Information Technology

Biotechnology

Transportation

Government and Administration

Insurance

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 (8 years), Product Development (7 years), Quality Assurance (3 years), and Research and Development (3 years).

Information Technology

Product Development

Quality Assurance

Research and Development

Summary

Senior Java Developer with 5+ years of enterprise experience in rapidly modernizing complex legacy systems and building scalable cloud-native architectures. Specialist in Domain-Driven Design with proven ability to quickly understand new business domains and successfully migrate 15+ legacy services with an average 65% performance improvement.

Skills

Backend Development - Java 8/11/17/21 & Spring Boot 2.x/3.x - Expert (5+ Years Enterprise Development)
Frontend Development - Angular (Enterprise), React (Private Projects), Typescript
Event-driven Architecture - Apache Kafka, Rabbitmq, Event-sourcing, Cqrs, Microservices
Cloud & Devops: Docker, Kubernetes, Aws (Ec2, S3, Lambda, Sqs, Api Gateway, Cloudfront), Cloudflare, Jenkins, Github Actions, Gitlab Ci
Clean Code & Testing: Automated Testing, Tdd, Clean Architecture
Databases: Postgresql, Mysql, Oracle Db, Cassandra, Mongodb
Leadership: Technical Leadership Of 5+ Developers, Scrum Teams, Stakeholder Management

Languages

English

Native

German

Advanced

Education

Oct 2013 - Jun 2015

Martin Luther University Halle-Wittenberg

Master of Science · Biomedical Engineering · Halle (Saale), Germany · 1.4

Oct 2005 - Jun 2010

Cairo University

Bachelor of Science · Systems Engineering · Cairo, Egypt

Certifications & licenses

ISTQB Certified Tester Foundation Level

Microsoft Azure Fundamentals (AZ-900)

Profile

Created

November 2025

Last Update

December 2025

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Frequently asked questions

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

Where is Fady based?

Fady is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Fady speak?

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

How many years of experience does Fady have?

Fady has at least 8 years of experience. During this time, Fady has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years. Note that Fady may not have shared all experience and actually has more experience.

What roles would Fady be best suited for?

Based on recent experience, Fady would be well-suited for roles such as: Senior Software Developer / Tech Lead, Senior Developer, Technical Lead.

What is Fady's latest experience?

Fady's most recent position is Senior Software Developer / Tech Lead at Specific Objects Technologies GmbH.

What companies has Fady worked for in recent years?

In recent years, Fady has worked for Specific Objects Technologies GmbH and MaibornWolff GmbH.

Which industries is Fady most experienced in?

Fady is most experienced in industries like Information Technology (IT), Biotechnology, and Transportation and Logistics. Fady also has some experience in Government and Public Administration and Insurance.

Which business areas is Fady most experienced in?

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

Which industries has Fady worked in recently?

Fady has recently worked in industries like Information Technology (IT), Transportation and Logistics, and Government and Public Administration.

Which business areas has Fady worked in recently?

Fady has recently worked in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

What is Fady's education?

Fady holds a Master in Biomedical Engineering from Martin Luther University Halle-Wittenberg and a Bachelor in Systems Engineering from Cairo University.

Does Fady have any certificates?

Fady has 2 certificates. These include: ISTQB Certified Tester Foundation Level and Microsoft Azure Fundamentals (AZ-900).

What is the availability of Fady?

Fady is immediately available full-time for suitable projects.

What is the rate of Fady?

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