One-man army

Technical competencies for reliable systems.

I combine hands-on engineering, architecture, security, cloud, automation, and product judgment so hard technical work has one accountable owner from idea to operation.

Explore competencies

Operating philosophy

One-man army

The point is not to collect labels. The point is to move through discovery, architecture, implementation, operations, and communication without losing context or ownership.

Ikigai

I work best where useful software, deep technical craft, business pressure, and long-term learning intersect.
  • Connect technical decisions with the purpose of the product.
  • Improve the system around the work, not only the code.
  • Keep quality visible through feedback, measurement, and review.

One-man army

I can cover the full technical lane when a project needs a senior generalist with enough depth to execute and enough range to coordinate.
  • Design the architecture and still ship production code.
  • Bridge product, engineering, security, infrastructure, and delivery.
  • Make trade-offs explicit before they become expensive.

Operating model

I prefer clear ownership, written decisions, small reliable increments, and systems that are observable enough to tell the truth.
  • Document decisions, constraints, and open risks.
  • Build for maintainability, testability, and operational recovery.
  • Use calm communication under uncertainty and pressure.

The practical areas I bring into one delivery loop

System design and architecture

Tech lead

I shape architecture, delivery boundaries, and technical direction so teams can move with fewer hidden dependencies and clearer trade-offs.

  • System architecture with clear module boundaries and explicit ownership.
  • ADR decisions, quality gates, and technical roadmap without hidden dependencies.
  • Tech lead support for teams that need clearer trade-offs and stable delivery.
  • System design
  • DDD and bounded contexts
  • ADR and technical governance
  • Event-driven architecture
  • Quality gates
  • Delivery planning
  • Decision framing
  • Stakeholder alignment
  • Mentoring through review
  • Calm prioritization under pressure

Production software

Software Engineer

I build backend-heavy products, Angular frontends, and .NET MAUI clients with explicit contracts, testable workflows, and production-aware implementation.

  • Software engineering for APIs, backend systems, Angular frontends, and .NET MAUI apps.
  • Stable contracts, PostgreSQL, messaging, and tests where failure costs the most.
  • Production code that is readable, maintainable, and ready for future product growth.
  • .NET and ASP.NET Core
  • Go
  • PostgreSQL
  • REST APIs
  • Kafka and messaging
  • Unit and integration testing
  • Angular
  • .NET MAUI
  • Code review discipline
  • Debugging patience
  • Pragmatic refactoring
  • Written technical clarity

Security by design

Security Engineer

I design and operate security as part of the system: identity, access, threat modeling, telemetry, incident response, and GCP security controls.

  • Security by design across identity, access, threat modeling, and controls.
  • GCP cloud security, audit trails, telemetry, and incident response without guessing.
  • Lower risk across application code, pipelines, supply chain, and production environments.
  • OWASP ASVS and Top 10
  • OAuth2 and OIDC
  • Keycloak
  • Threat modeling
  • Secrets management
  • Supply-chain review
  • Google Security Operations (SIEM/SOAR)
  • Security Command Center and Cloud Armor
  • Incident response playbooks
  • Risk communication
  • Constructive skepticism
  • Policy translation for engineers
  • IR planning and post-incident review

Delivery and operations

DevOps Engineer

I build delivery and operations paths: CI/CD, environments, infrastructure automation, observability, rollback strategy, and production feedback loops.

  • DevOps for CI/CD, Docker, Kubernetes, rollback, and repeatable releases.
  • Observability with Prometheus, Grafana, and OpenTelemetry for faster recovery.
  • Infrastructure automation and environments that can be reviewed and reproduced.
  • GitHub Actions and GitLab CI
  • Docker
  • Kubernetes
  • Helm
  • Prometheus and Grafana
  • OpenTelemetry
  • Operational ownership
  • Release communication
  • Post-incident learning
  • Reducing toil without drama

Cloud foundations

Cloud Engineer

I design GCP-centered cloud foundations across Cloud Run, GKE, Apigee, IAM, networking, data services, reliability, and cost visibility.

  • Cloud engineering on GCP: Cloud Run, GKE, IAM, VPC, and data services.
  • Terraform, networking, security, and costs matched to product maturity.
  • Cloud foundations without overbuilding and without operational blind spots.
  • Google Cloud Platform
  • Terraform
  • Cloud Run and GKE
  • Cloud SQL, Pub/Sub, and BigQuery
  • IAM, VPC, and networking
  • Apigee and API management
  • Load Balancing and Cloud Armor
  • Secret Manager and KMS
  • Cost and reliability review
  • Systems thinking
  • Cost awareness
  • Change planning
  • Resilience mindset

Technical strategy

Fractional CTO

I support founders and leadership with technical direction, roadmap decisions, architecture review, risk assessment, and engineering operating model.

  • Fractional CTO support for technology decisions, roadmap, and architecture risk.
  • Build vs buy analysis, team capability review, and business-aware prioritization.
  • Technical trade-offs translated for founders, leadership, and product decisions.
  • Architecture assessment
  • Technology roadmap
  • Engineering due diligence
  • Build vs buy analysis
  • Team capability review
  • Risk register
  • Executive communication
  • Prioritization across constraints
  • Negotiating trade-offs
  • High-context advisory

Early-stage product engineering

Technical Co-founder

I help create the first technical foundation for early products: MVP scope, architecture, repositories, deployment, analytics, and feedback loops.

  • Technical co-founder support for MVP scope, discovery, and first product architecture.
  • Repositories, deployment, analytics, and feedback loops ready for fast iteration.
  • Scope control and a technical foundation for the next product stage and hiring.
  • MVP architecture
  • Product discovery support
  • Lean delivery
  • Analytics instrumentation
  • Platform bootstrap
  • Technical hiring signal
  • Founder-level ownership
  • Scope control
  • Fast learning cycles
  • Commercial pragmatism

Applied AI and ML

AI/ML Engineer

I build applied AI features around real workflows: retrieval, evaluation, guardrails, observability, integration, and product fit.

  • AI/ML engineering for RAG, LLM integration, vector search, and evaluation.
  • Guardrails, cost, retrieval quality, and user feedback before production release.
  • Practical AI inside real workflows, not demos detached from business problems.
  • LLM integration
  • RAG patterns
  • Python
  • Vector search
  • Prompt and output evaluation
  • AI safety guardrails
  • Experiment design
  • Evidence-based iteration
  • Translating ambiguity into tests
  • Ethical product judgment

Workflow automation

Automation Engineer

I automate repeated operational workflows with clear triggers, integrations, ownership, auditability, retries, and human-in-the-loop controls.

  • Automation engineering for n8n, Make, webhooks, APIs, and integrations.
  • Workflows with triggers, retries, audit, and monitoring instead of manual copy-paste.
  • Human-in-the-loop control where automation needs ownership and review.
  • n8n and Make
  • Webhooks
  • APIs and integrations
  • Background jobs
  • Event-driven workflows
  • Monitoring and retries
  • Process mapping
  • Questioning waste
  • Human-in-the-loop design
  • Operational empathy

Next step

Move into specifics.

You can reach out with one narrow topic or a service need handled through the company I run.

01

Interested in a specific area?

Tell me which part of the map is closest to your challenge. We can narrow the scope, risks, and first useful step.

02

Need a service?

If you need broader delivery, product, cloud, security, or automation work, visit Japonics.io - the company I run for this kind of work.
Go to Japonics.io