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Roberto Liffredo
Krakow, Poland
Computer programmer, architect and team leader with a strong experience of development processes and practices. Specialties: Software design, Python, C/C++, Backend development, Win32 development, Agile methodologies
CodersRank Score
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58.8
CodersRank Rank
Top 6%
Top 100
Python
Developer
Poland
Highest experience points: 0 points,
0 activities in the last year
Python
54.9
exp.
JavaScript
1.4
exp.
List your work history, including any contracts or internships
Mote Full-time
Apr 2021 - Jul 2021 (3 months)
Staff Engineer
AirHelp Full-time
Sep 2018 - Apr 2021 (2 years 7 months)
Senior Software Engineer
Pilot of a team responsible for the legal and customer support automation
• Mentored a team of mainly juniors and apprentices, making it one of the top performers in the company
• Reduced maintenance effort by 75% with a progressive application rewrite and with the introduction of self-service configuration UI
• Up to 10x performance improvements
• Designed and extended new features and services, to dramatically increase the automation coverage
Technology stack: Python, AWS, PostgreSQL
• Mentored a team of mainly juniors and apprentices, making it one of the top performers in the company
• Reduced maintenance effort by 75% with a progressive application rewrite and with the introduction of self-service configuration UI
• Up to 10x performance improvements
• Designed and extended new features and services, to dramatically increase the automation coverage
Technology stack: Python, AWS, PostgreSQL
Sabre Corporation
6 years 7 months
Principal Software Engineer
Aug 2016 - Sep 2018 (2 years 1 month)
Member of the architecture team for Crew Manager the next-generation airline crew operation solution from Sabre.
• Mainly responsible for the integration services
• Designed new versions of the integration schemas
• Worked with customers and partners to drive service integration
• Led a cross-team in Poland and Bangalore, India for a major product feature
Technology stack: Java, Oracle
• Mainly responsible for the integration services
• Designed new versions of the integration schemas
• Worked with customers and partners to drive service integration
• Led a cross-team in Poland and Bangalore, India for a major product feature
Technology stack: Java, Oracle
Principal Software Engineer
Feb 2012 - Aug 2016 (4 years 6 months)
Architect for Crew Control, a suite for airline crew planning and operation.
• Oversight over the entire architecture for the product
• Led several initiatives to improve stability, performance, and scalability
• Cooperation with product owner, to clarify and prioritize development
• Responsible for leading the design of new features, as well as the design for major refactoring
• Involved in several process improvement activities, especially regarding the quality process
Technology stack: C++/MFC, C#, Oracle
• Oversight over the entire architecture for the product
• Led several initiatives to improve stability, performance, and scalability
• Cooperation with product owner, to clarify and prioritize development
• Responsible for leading the design of new features, as well as the design for major refactoring
• Involved in several process improvement activities, especially regarding the quality process
Technology stack: C++/MFC, C#, Oracle