Konrad Gajda

Technical Architect

Konrad Gajda.

Enterprise modernization and integration

I connect architecture decisions with hands-on .NET, Azure, API and data work, preserving business behavior as systems evolve.

Mechelen, Belgium

Available through 0101 BV · Belgium, EU and remote-first teams.

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Evidence at a glance

Credibility before claims

Enterprise delivery

Architecture and implementation across railway, finance and industrial engineering.

4Public-safe case studies

Selected architecture work

Decisions, delivery and outcomes

Three examples showing how I work through constraints, implementation and validation without exposing confidential project details.

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Integration

Designing Maintainable Integration Boundaries

A generalized case study about reducing coupling and making enterprise integrations easier to test, review and operate.

Evidence

Reduced coupling by separating business decisions from transport and provider concerns.

  • Integration
  • Architecture
  • Testing
  • Observability
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Modernization

Modernizing Without Losing Business Behavior

A generalized case study about staged modernization, compatibility risk and preserving trusted behavior.

Evidence

Preserved trusted behavior while introducing change in reviewable stages.

  • Modernization
  • Architecture
  • Validation
  • Delivery
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Software quality

Making Delivery Quality Visible

A generalized case study about maintainability, automated verification, documentation and team handover.

Evidence

Made expectations clearer through focused tests and reviewable boundaries.

  • Software quality
  • Testing
  • Documentation
  • Collaboration
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How I help

Capabilities organized around delivery

Technologies support the work. The capability and the decision remain the point.

Explore engagement options

Architecture and modernization

Legacy analysis, target boundaries, API architecture, migration planning and decisions that reduce delivery risk.

  • Legacy modernization
  • API architecture
  • Architecture decisions
  • Migration strategy

Application engineering

Hands-on delivery across modern frontends, .NET services, explicit contracts and automated validation.

  • .NET and ASP.NET Core
  • React and Angular
  • OpenAPI
  • Automated testing

Cloud and delivery

Containerized delivery, infrastructure coordination, pipelines and operational readiness close to the application.

  • Azure and AKS
  • Docker and Kubernetes
  • GitLab CI/CD
  • Monitoring and observability

Data and performance

Relational data, query investigation, caching decisions and measurable application performance recovery.

  • SQL Server
  • PostgreSQL and Oracle
  • Query optimization
  • Performance measurement

Technical writing

Architecture notes from delivery

Practical writing about modernization, contracts, infrastructure and engineering with AI.

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Latest writing

Blog

Frontend architectureContract-first frontend delivery with OpenAPI and MSWA pragmatic pattern for keeping frontend teams productive while backend contracts are still moving.ModernizationLegacy modernization without losing business behaviorModernization succeeds when contracts, data, validation and operational knowledge are treated as first-class design inputs.SecuritySecure integration starts with exposure windowsFor file exchange and operational integrations, the key architecture question is often how long access exists and how it is audited.AI-assisted developmentAI-Augmented Development Is Not Free AnymoreAI-assisted development has financial, mental, ethical, environmental and professional costs. The responsible engineer needs cost awareness, verification and judgment.AI-assisted developmentWhy Abstraction Matters in AI-Augmented DevelopmentAI can generate code quickly, but abstraction keeps change controlled, contracts stable and generated output aligned with the wider system.AI-assisted developmentDocumentation in AI-Augmented DevelopmentDocumentation is becoming context infrastructure: the shared memory and verification surface that helps humans and AI agents build coherent systems.

Selected experience

Enterprise delivery across systems and sectors

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2025/01 - Present

Technical Architect / Senior Full-Stack Engineer

0101 BV - Client assignment for Ypto (SNCB/NMBS Group)

Hands-on technical architecture and full-stack delivery for railway enterprise applications, covering frontend engineering, integration, identity, performance and legacy modernization.

2022/11 - 2024/12

Senior Full-Stack Developer

0101 BV - Client assignment for Euroclear

Contributed to enterprise software delivery in a regulated financial-services environment.

2022/01 - 2022/10

Senior Full-Stack Developer

0101 BV - Client assignment for Atlas Copco

Developed enterprise engineering and analysis applications for an international industrial organization.

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Planning a modernization or architecture initiative?

Share the system constraint, delivery risk or outcome you need to achieve. A short description is enough to begin.

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