~/java-gardener
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> java-gardener --about

Lead Java Developer
& Software Technical Leader

10+ years of cultivating clean, scalable Java backends. I help companies grow their software — from seed-stage MVPs to enterprise-grade systems. Specialized in Spring ecosystem, AI-augmented development, and delivering large-scale complex projects where deep business domain understanding meets technical excellence.

Currently open for B2B contracts — available for long-term partnerships, project-based engagements, and parallel collaborations with multiple clients. Fully remote or hybrid across the EU and USA. International contracts welcome.

Available for new contracts

> java-gardener --services

backend-development
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API

Backend Development

Java 17+, Spring Boot, Spring Cloud, Hibernate/JPA. Building robust, scalable REST and GraphQL APIs. Modular monolith and event-driven architectures tailored to actual business needs.

system-architecture
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SYS

System Architecture

Domain-driven design, CQRS, hexagonal architecture, modular monolith. Bridging the gap between business domain understanding and technical implementation to deliver maintainable, evolvable systems.

project-process-optimization
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OPS

Project Process Optimization

Streamlining delivery pipelines, eliminating bottlenecks, and modernizing project management practices. Lean workflows, cross-functional alignment, and data-driven sprint retrospectives.

data-&-integration
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DAT

Data & Integration

PostgreSQL, MongoDB, Redis, Elasticsearch. Kafka, RabbitMQ. ETL pipelines, third-party API integrations, and complex data migrations across heterogeneous systems.

cloud-&-devops
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CLD

Cloud & DevOps

AWS, Docker, Kubernetes, Terraform. CI/CD with GitHub Actions, Jenkins, GitLab CI. Infrastructure as code and deployment automation for predictable, repeatable releases.

legacy-modernization
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MOD

Legacy Modernization

Incremental rewrites, strangler fig pattern, Java version upgrades. Transforming tangled legacy codebases into clean, testable, modular architectures — without stopping feature delivery.

ai-adoption-&-agent-orchestration
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AI

AI Adoption & Agent Orchestration

Introducing AI-powered workflows into development teams. Managing coding agents, automating repetitive tasks, leveraging LLMs for test generation, code review, and rapid prototyping.

team-construction-&-leadership
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TLD

Team Construction & Leadership

Building high-performing engineering teams from scratch. Establishing engineering culture, defining roles, mentoring developers, and creating environments where people deliver their best work.

> java-gardener --projects

~/projects/life-science-nivd-platform
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Life Science nIVD Platform

Biotech
> client: Universities & Research Institutions

End-to-end platform for non-in-vitro diagnostic research workflows. Built to support academic and laboratory environments where data integrity, traceability, and regulatory awareness are non-negotiable.

> highlights:
  • Complex domain modeling for life science research processes
  • Integration with laboratory information management systems
  • Multi-tenant architecture serving dozens of research institutions
  • High-volume data pipelines for experimental result processing
~/projects/mdx-diagnostic-systems
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MDx Diagnostic Systems

Biotech · Medical
> client: Hospitals & Medical Facilities

Mission-critical molecular diagnostics platform engineered to meet the strictest FDA regulatory standards. Every line of code subject to validation protocols — zero tolerance for defects in a system where software decisions affect patient outcomes.

> highlights:
  • FDA 21 CFR Part 11 compliance and full audit trail
  • Real-time diagnostic data processing for clinical workflows
  • Integration with hospital information systems (HIS/LIS)
  • Rigorous verification & validation documentation
~/projects/insurance-calculation-engine
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Insurance Calculation Engine

FinTech
> client: Financial Institutions

High-performance insurance premium calculation engine built for IFRS 17 and LDTI compliance. Processing millions of policy records with actuarial precision — every calculation touches real money, leaving zero room for error.

> highlights:
  • IFRS 17 and US GAAP LDTI regulatory compliance
  • Actuarial calculation pipelines processing millions of records
  • 10x performance improvement over legacy computation system
  • Complex financial domain modeling with full auditability

> java-gardener --clients --satisfied

fintech-corp
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Delivered a complex risk mitigation calculation engine on a tight deadline. Exceptional ability to translate intricate financial logic into clean, performant code. Communication was flawless throughout — always proactive, always on schedule.

Project Manager, FinTech Corp

biotech-solutions
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Took ownership of a challenging biotech domain, led the engineering team through a complete system redesign, and redefined how the project operated day-to-day. Brought structure to chaos and turned a struggling initiative into a well-oiled delivery machine.

VP of Engineering, BioTech Solutions

insurance-group
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Rewrote our legacy insurance risk calculation platform from the ground up. The new system delivered 10x performance improvements on premium computation pipelines. What used to take minutes now runs in seconds.

Architect, Insurance Group

> java-gardener --blog --latest 3

> java-gardener --contact

email
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> java-gardener --start-new-project

~/start-new-project
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