Jiffle Limited

Enterprise Software Development |
Agile Team Leadership |
Reactive Systems Design |

Combining the best development practices, the latest design methodologies, and the state-of-the-art DevOps approaches.

Systems Design

Multi-threaded server design
Asynchronous messaging systems
REST service design
Designing for Security
Domain Driven Design courses
Enterprise design patterns, messaging patterns, error-handling patterns

Development

Continuously Integrated and Continuously Deployable solutions
Log and metrics monitoring solutions for Fault and Performance monitoring.
Java VM development techniques, including profiling.
Code test strategies, including TDD, BDD and Mocking.
Many Java containers and frameworks, including Spring Boot

Scalability

CAP Theorem and pratice
Stateless service design
Testing strategies, including performance and scalability testing
Reactive: Theading models and designing for availability

DevOps

Log and metrics monitoring solutions for Fault and Performance monitoring
Understanding use of Cloud services such as AWS
Understanding of multiple build systems and CI servers
Source-control systems, including Git and Subversion
Development Branching Strategies.

SQL Databases

Wide range of SQL databases, including PostGRES, MySQL and Oracle.
Relational schema design,
Database and Index optimisation
Database migration and optimisation
Query optimisation
Geospacial queries

NoSQL databases

MongoDB development and performance analysis
Cloud document DB development (DynamoDB)
XML document DB development (Marklogic)
Design patterns for data consistency in non-transactional databases

Team Leadership and Agile

Agile planning and team management with Scrum
15 years experience of XP technical processes
Lean development, including MVT testing
Kanban
From startups to Fortune 100 companies
Small teams to in excess of 20 people.
Scrum-of-Scrums implementations

Market Sectors

Investment Banking (Risk Analysis, Equities)
Trading Exchanges
Corporate Ecommerce
Personal and Small Business Finance
Personal and Vehicle Tracking Services
Online Publishing
Air Flight Passenger Information
Scheduling Software
Mobile Device Management
Wireless Access Provisioning
High-Speed Data Acquisition
Price Feed Vendors

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