I am a Senior Java Fullstack Consultant, Contractor, and Freelancer with over 12 years of experience, exclusively interested in remote work. I help companies worldwide to design and implement their software solutions. Do you need software solutions for your business? Let's connect!

Ioana Botezatu

I am a Senior Java Fullstack Consultant, Contractor, and Freelancer with over 12 years of experience, exclusively interested in remote work. I help companies worldwide to design and implement their software solutions. Do you need software solutions for your business? Let's connect!

Available to hire

I am a Senior Java Fullstack Consultant, Contractor, and Freelancer with over 12 years of experience, exclusively interested in remote work. I help companies worldwide to design and implement their software solutions.

Do you need software solutions for your business? Let’s connect!

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
See more

Language

Romanian, Moldavian, Moldovan
Fluent
English
Fluent
Spanish; Castilian
Advanced
French
Intermediate

Work Experience

Senior Java Engineer at Austrian Power Grid
December 1, 2024 - Present
Planned application for more stable and friendly planning, monitoring and coordinating of electricity flow and framework. Achieved 100% transparency in planning and flow negotiation by centralizing information with proper user privileges. Increased security by 7x moving from email communication to a secured, multi-level application. Reduced human errors by 1000% by implementing process constraints and automatic energy and price calculations.
Senior Java Engineer at Trip Advisor
December 1, 2024 - August 20, 2025
Enabled client to gain more users and contributors by becoming a more trusted source for travel experiences. Doubled the number of autobans by improving the ban logic based on historic illegal content reports. Increased unban process speed by 400% with automatic decision-making on user forgiveness. Achieved 99% cleanup of malicious bots posting illegal content through interaction footprint blocking.
Senior Java Developer at AtruVia
January 31, 2024 - August 20, 2025
Developed an authorization application for bank accounts to minimize human intervention in third-party permission granting. Reduced permission-providing flows by 900% through automation of document exchange and customer legitimization. Tripled performance via microservices and Kafka event decoupling. Automated permission flow triggered by automated events and validations.
Senior Java Engineer at Deutsche Bank
October 31, 2021 - August 20, 2025
Developed system to filter suspicious transactions and alert appropriate agencies upon blacklisted customer transaction attempts. Achieved 1000x performance increase by switching to scripting language from PL/SQL. Improved system stability by 40% through custom fallback mechanisms with retries, backups, error notifications. Reduced manual response time from 1 week to under 1 minute by automating response flows triggered by suspicious activity.
Software Architect at Allianz
August 31, 2018 - August 20, 2025
Improved social intranet platform appealingness and stability for employees. Increased user retention by 200% redesigning UI to Angular and improving UX. Raised stability 6x by migrating services to Amazon cloud. Boosted active users 10x by developing plugin for graphical post metrics and fostering communication tools.
Java Software Engineer at Oracle
July 1, 2016 - August 20, 2025
Enhanced customer satisfaction on Fusion Cloud Services support by automating user identification across contact channels. Increased employee productivity and customer satisfaction by 90% automating manual processes. Eliminated 60% security vulnerabilities delivering advanced solutions and resolving backward compatibility issues.
Java Fullstack Developer at 1&1
April 30, 2015 - August 20, 2025
Helped domain selling company gain market share by increasing subscriptions and reducing call center calls. Reduced calls by 80% through UX improvements. Increased subscriptions 5x via one-click actions. Achieved 4x new customers by preparing early launch of new top-level domain with fast reservation services.

Education

Master in Distributed Systems, Security at University of Bucharest
January 1, 2015 - January 1, 2016
Erasmus Student in Computer Science at Universidad de Almeria
January 1, 2011 - December 31, 2011
Bachelor of Computer Science at University of Bucharest
January 1, 2007 - January 1, 2011

Qualifications

Algorithms - 4-course specialization
January 11, 2030 - August 20, 2025
R Programming
January 11, 2030 - August 20, 2025
Data Manipulation at Scale: Systems and Algorithms
January 11, 2030 - August 20, 2025
Java SE 6 Programmer Oracle Certified Professional
January 11, 2030 - August 20, 2025

Industry Experience

Financial Services, Software & Internet, Energy & Utilities, Professional Services, Travel & Hospitality

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
See more