Freelancer profile translated to English.
Back to original languageAbout Resat
Highly experienced Software Engineer in developing (enterprise) applications using Java (1.3-21), JEE (1.4, 5-10) (Facelets, JPA, Web Services (incl. REST), CDI, Bean Validation…), Spring (4-6), as well as Angular (TS), JS, SQL, T-SQL, PL/SQL, NoSQL, DDL, XML/XSL/XPath/XSLT, (X|D)HTML(5); + C, C++ (WPF), Node.js, etc. Expertise in planning, analysis, design, esp. development, in code reviews, DDD, TDD (Test Driven Development) & profiling (as well as in deployment, maintenance); expertise in code, dependency, build, & artifact management, as well as in automated testing, code coverage, static analysis, CI & CD (Continuous Integration & Continuous Delivery) ...
Tatar
Native or bilingual
Turkish
Native or bilingual
English
Native or bilingual
Russian
Native or bilingual
French
Fluent
Can work on-site
Paris (up to 50km), Lille (up to 50km), Rouen (up to 50km), Lyon (up to 50km), Toulouse (up to 50km)
Experience
- EUROFIBERFreelance Software EngineerTELECOMMUNICATIONSSeptember 2024 - February 2025 (5 months)**Project**: Optimization, upgrade, maintainability improvement & bug fixing in persistence layer.• Optimized SQL queries, stored procedures & functions via execution plan analysis, sometimes using DB Performance Analyzer: indexing, query combining, refactoring minimizing queries/day, isolation levels, optimizer hints… E.g., from 360 to < 1 sec/query or from 25% to 0.6%/day; + tuning/profiling.• Improved persistence layer performance, including REST services & batch jobs, by over 3.6x: 17.2 vs 62.4 hours/day (on average).• Versioned DB schema, added scheduled jobs & introduced stored procedure parameterization (per env.).• Established new pre-prod environment (+ auto-backups of prod DBs & their auto-restorations there).• Upgraded SQL Server to the latest release: more performant.• Established use of automated SQL tests; made development possible on a single machine independently of the network.• Containerized DB (HA cluster).• Identified 2273 (out of 4123) unused stored procedures, 100/230 functions & 400 (out of 869) tables & removed them.• Implemented end-to-end tests in React & Angular; + testing via screenshots.
- CERNER CORPORATIONSoftware EngineerMEDICALJuly 2003 - November 2006 (3 years and 5 months)Kansas City, United StatesNew Projects: TDT, RDT (Radiology Desktop) Threading, PowerScribe (3rd party) integration with RDT, EMR data feed integration, Radiology Print Module reimplementation. Enhancements: RDT Refresh Project, RDT Bookmarking…• Implemented a component observer library & a thread pool library based on Java-1.4 for safe multithreaded processing.• Integrated a 3rd party application using C, JNI[1][2][3] & ActiveX (including native window integration into Java app).• Wrote 1 generic module for native app integration, including window integration, with RDT based on Swing.[1] https://docs.oracle.com/en/java/javase/17/docs/specs/jni/index.html[2] https://docs.oracle.com/en/java/javase/17/docs/specs/jni/types.html[3] https://docs.oracle.com/en/java/javase/17/docs/specs/jni/functions.html
- VMLSoftware EngineerAUTOMOBILEDecember 2007 - October 2008 (11 months)Kansas City, United StatesPROJECTS/TECHNOLOGIES: Used numerous technologies on multiple projects (summarized on the text grid representation below) ...Technologies: 1) JAXB 2) XPath 3) StAX 4) JPA[1] 5) JSF 6) Facelets 7) JSTL 8) Taglibs 9) Struts 10) Tiles 11) Spring 12) JavaMail 13) AJAX 14) jQuery 15) JSON 16) PerlProjects:ford.ca (1-3, 7-13)Ford Truck US (1, 14)AMC (5-7, 13-14)gobeyond (7, 9, 13)growing strong[2] (4, 7, 9-12, 14)toolbox (16)Welch Allyn (4, 8, 11)[1] Hibernate, TopLink, OpenJPA.[2] Also implemented WebTrends tagging.
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Education
- Bachelor of Science - DegreePurdue University, West Lafayette, IN, United States2003Majeur : Mgmt., Mineur : MIS (Les systèmes d'informations de gestion) (aussi 8 sur 11 cours d’informatique dans le majeur informatique) ; Note scolaire : 3,74 / 4 ; apparemment correspond à BAC+4 en France (ou baccalauréat spécialisé au Canada). Transférai en janv. 2001 de l'Université Boğaziçi (Istanbul), qui fut classée comme la meilleure université publique en Turquie.
Certifications
- Sun Certified Java Programmer (SCJP (1.4))Sun (now Oracle); Kansas City, MO, United States2004