Muhammad Haroon

Senior Ruby on Rails Engineer with expertise in Fintech, SaaS & Event-Driven Architectures

Icons/solid/beacher 7 xp
Remote or Onsite or Berlin
Icons/solid/euro hourly
Available: 15 Jan 2026
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About me

Backend Developer (7+ years of work experience) | Languages: Ruby, Python, JavaScript, TypeScript | Frameworks: Ruby on Rails, Django REST, React.js, Angular, Node.js | Architecture & APIs: Microservices, REST APIs, Event-Driven Architecture, GraphQL | Databases: PostgreSQL, MySQL, Oracle, Redis | Infrastructure & DevOps: Docker, Kubernetes, AWS (EC2, S3, Lambda,, CI/CD (GitHub Actions, Jenkins), Kafka Testing & Quality: RSpec, Sidekiq, FactoryBot, Jest, PyTest, GitHub CoPilot Project Management: Jira, Trello, Asana | Agile/Scrum

Developer Information

Contact details.

Work preferences

Actively looking
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Type of roles

🎯 Full time job
⏰ Part time job
🏝 Freelance
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