14.10.2026 aktualisiert

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100 % verfügbar

Software Developer / Product Owner

Jona, Schweiz
Jona +25 km
Jona, Schweiz
Jona +25 km

Profilanlagen

cv_john_clayton.pdf

Skills

Asp.NetAtlassian JiraC#DjangoGitHubPythonScrumSoftware-ProduktmanagementProprietäre SoftwareSoftwareentwicklungSoftwareherstellungSQLiteStakeholder ManagementUser StoriesSoftware OrganizationPulumiInfrastructure as Code (IaC)GitKubernetesFull Stack Entwicklung
Software Development (C#, .NET, Python/Django)
Broad expertise in C# Core, WPF, ASP.NET, Python/Django, SQL/PostgreSQL/SQLite. Development and deployment of sophisticated software solutions, including integration of secondary data sources into existing .NET services and building production-ready infrastructure.

Product Ownership & Backlog Management
Expert-level product ownership including backlog management, analytics, scope management, budget, and reporting. Creation and refinement of user stories using tools such as Jira and Confluence.

DevOps & Cloud Architecture (Azure, Kubernetes, Pulumi)
Advanced skills in designing and implementing C# / Pulumi production-ready IaC Azure Kubernetes environments. Integration of TLS cert issuance and renewal, DNS, persistence, networking, roles and permissions, as well as CI/CD pipelines.

Agile / SCRUM Methodology
Expert-level knowledge of Agile and SCRUM methodologies. Introduction and leadership of SCRUM processes, improving product quality and instilling a strong sense of ownership within development teams.

Team Leadership & Technical Strategy
Expert-level team leadership including mentoring and reviews. Development and execution of technical strategy covering technology selection and integration, as well as building and leading high-performing technical teams.

GitHub Copilot / Agentic Development
Advanced experience with GitHub Copilot and agentic development approaches to enhance development productivity and code quality.

Azure Cloud & Administration
Advanced skills in Azure Cloud administration, including achieving the Azure Administrator certification. Hands-on experience managing cloud infrastructure and services.

Git / Git Actions
Advanced proficiency in Git version control and Git Actions for automating CI/CD workflows and managing code repositories.

Pulumi / PowerShell
Advanced experience with Pulumi for infrastructure as code and PowerShell for scripting and automation tasks.

AWS / GCP Cloud
Proficient in working with AWS and GCP cloud platforms for deploying and managing cloud-based solutions.

Machine Learning via XGBoost
Proficient in applying machine learning techniques using XGBoost, including development of trading algorithms and data-driven solutions.

Quantitative Trading & Algorithm Development
Development and deployment of sophisticated trend following and mean reversion trading strategies across multiple exchanges, markets, and time frames.

Customer Communication & Stakeholder Management
Expert-level customer communication including needs analysis, workshops, and expectation management. Expert-level stakeholder and board communication covering initiatives, projections, and timelines.

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2024

Sprachen

DeutschgutEnglischMuttersprache

Projekthistorie

C# Development

Effective Flow GmbH
Added a secondary data source to an existing .NET service to complete integration into existing systems.

Quantitative Trader

Effective Flow GmbH
Developed and deployed a sophisticated combination of trend following and mean reversion trading strategies across multiple exchanges, markets and time frames.

DevOps Architect

Effective Flow GmbH
Designed and implemented a C# / Pulumi production ready IaC Azure Kubernetes environment for development teams. Integrated TLS cert issuance and renewal, DNS, persistence, networking, roles and permissions as well as CI/CD. Deployment and use of infrastructure for new projects at the customer is now standardized and can be created in about 20 minutes instead of days.

Self-Development

Sabbatical
Achieved Azure Administrator certification, learned C# and Pulumi.

CTO / Co-Owner, Product Owner, SCRUM Master, Tech Team Lead, Developer

FileWave (GmbH) Europe
Joined FileWave as sole developer and progressed to CTO and co-owner over 15 years. Played a pivotal role in shaping the product, development process and growth of technical teams. Envisioned and led the transition from a native desktop app to a web-based one. Built and led three high-performing technical teams. Introduced SCRUM and agile methodologies. Initiated use of Python/Django as back-end technology stack for MDM solutions. Became SCRUM Master in 2015, Product Owner in 2016, and CTO in 2017. The company sold to private investors in 2018.

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