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Alex Belakurski

Senior Java Software Engineer

Senior Software Engineer at Facebook

Redwood City, California, United States

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Alex Belakurski's Email Addresses & Phone Numbers

Alex Belakurski's Work Experience

Camelot

Senior Java Software Engineer

June 2013 to February 2015

London, United Kingdom

Intetics

Senior Java Software Engineer/Team Lead

May 2011 to June 2013

EPAM Systems

Java Software Engineer

November 2010 to May 2011

Alex Belakurski's Professional Skills Radar Chart

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Alex Belakurski's Estimated Salary Range

About Alex Belakurski's Current Company

Camelot

Project: National lotteries​ Massive game portal hosting over hundred draw­-based and instant win games, legal national lotteries operator in the UK Technology stack:​ Java 7, Spring 4, Hibernate 4, JPA 2.0, DB2, Groovy, Grails, Apache CXF, MongoDB, ActiveMq, Tomcat 6, Gradle. Key Achievements: ● Worked in tight collaboration with the customer on gathering, clarifying and analysing business...

Frequently Asked Questions about Alex Belakurski

What company does Alex Belakurski work for?

Alex Belakurski works for Camelot


What is Alex Belakurski's role at Camelot?

Alex Belakurski is Senior Java Software Engineer


What is Alex Belakurski's personal email address?

Alex Belakurski's personal email address is a****[email protected]


What is Alex Belakurski's business email address?

Alex Belakurski's business email addresses are not available


What is Alex Belakurski's Phone Number?

Alex Belakurski's phone (213) ***-*314


What industry does Alex Belakurski work in?

Alex Belakurski works in the Internet industry.


Who are Alex Belakurski's colleagues?

Alex Belakurski's colleagues are Nikita Shirokov, Mark Fulbright, Yunfei Si, Haozhun Jin, Libin Lu, Ilia Cherniavskii, James Lancaster, Vida Zhang, Jason Sendros, and Wilson Lam


About Alex Belakurski

📖 Summary

Certified Java software engineer with over 9 years experience developing high volume transactional enterprise web applications from identifying requirements to implementation and trouble-shooting. Expertise with the full stack of modern Java Enterprise frameworks (front-end, server-side, DB persistence) and Agile development methodologies. Self-starter with passion for solving complex challenges, ability to identify/resolve system bottlenecks and potential limitations in software architecture. Key strengths include extra flexibility to handle changes, ability to quickly and easily adapt to new projects, teams, technologies and environments. Specialties: - Deep understanding of core Java fundamentals, data structures, algorithms, concurrency, RMI, JDBC, XML, XSD, JAXB, JNDI. - Web-tier/data access frameworks & technologies: Spring 3, Spring MVC, Struts, Hibernate 3.6, JPA 2.0, EJB 3.0, Apache CXF, JMS, Servlets, JSP - Expert in REST approach of Web Service development. - Presentation technologies: AJAX, Dojo, jQuery, JSON, JavaScript, html, css - Application/Web Servers: JBoss 4.x – 5.x, Tomcat 6, 7, WebSphere - Databases: Oracle 10g, MS SQL 2008, MySQL, PostgreSQL, NoSQL (MongoDB) - Project management/TDD tools: Maven, Ant, jUnit, jMock - Familiarity with Agile development methodologies (Scrum, XP), TDD practices Frequent use Groovy for many Java related development tasks - Object-oriented principles, design patterns, UML modeling - Linux (RehHat) bash scripting - Oracle Certified Professional, Java SE 6 Programmer (OCPJP) certification passed with 93% scoreSenior Java Software Engineer @ Project: National lotteries​ Massive game portal hosting over hundred draw­-based and instant win games, legal national lotteries operator in the UK Technology stack:​ Java 7, Spring 4, Hibernate 4, JPA 2.0, DB2, Groovy, Grails, Apache CXF, MongoDB, ActiveMq, Tomcat 6, Gradle. Key Achievements: ● Worked in tight collaboration with the customer on gathering, clarifying and analysing business and system requirements, performed impact analysis on existing sub­systems, researched potential limitations and performance bottlenecks ● Analysed problems and issues with behaviour of various 3rd party integration API’s (identity check services, payments processing providers etc.) ● Designed and developed payment processing system supporting credit card and direct debit payments (B​ACS, ADDACS, AUDDIS)​ ● Architectured and implemented game catalog, importing pipeline, games preview and testing framework ● Built fast and robust event logging and notification sub­system using MongoDB From June 2013 to February 2015 (1 year 9 months) London, United KingdomSenior Java Software Engineer/Team Lead @ Project: eFinancialCareers​ Complete redesign of financial industry’s leading career website which involved building of complex distributed enterprise application utilizing R​EST​approach for exposing of flexible and reliable ​Web Service API ​for job searching and posting. Technology stack:​Spring 3, Hibernate 3.6, EhCache, JPA 2.0, Apache CXF, MongoDB, MS SQL 2008, Tomcat 6, Maven, JAXB, Spring MVC, jQuery, Groovy, Endeca Key Achievements: ● Established and fine­tuned b​uild system​(M​aven profiling, plugins)​, C​ontinuous Integration (J​enkins​server) and deployment environments ● Built P​roof of Concepts​application to evaluate key approaches, technologies and features, drove the adoption of R​EST​model of web services offering ● Designed layered architecture and developed core foundation of the main application tiers (domain model, data transfer layer, DAO, UI controllers, WS) ● Designed and developed A​uthentication WS b​ased on o​Auth​protocol implementing custom sequential token​semantic for imposing of additional s​ecurity​guarantees ● Designed R​ESTf​ul API and implemented job posting ​WS f​or multiple global providers rd​ (eQuest, Broadbean etc.), supported 3​parties on integration with the new system ● Architected and implemented robust system for continuous data synchronization between redesign and legacy applications (migration of large volumes of data, normalization ,batch processing, fail safe and fault tolerant behavior) ● Built T​est​u​tility framework​for simplifying of integration, performance and DB­layer testing ● Was in charge of security audit and eliminated XSS, Cross­site request forgery, username enumeration etc. vulnerabilities ● Implemented module for jobfeeds logging utilizing NoSQL storage (MongoDB) From May 2011 to June 2013 (2 years 2 months) Java Software Engineer @ Legacy enterprise application aimed to automate travel company business processes where massive data volumes posed challenges in performance optimizations, transactional efficiencies and searching logic. Technology stack:​Spring 2.5, Hibernate 3, JSP 2.1, JBoss 5.1.0, Oracle 11g, JAXB, Ajax, JSON, EhCache, Maven Key Achievements: ● Utilized profiling tools (e.g. Fusion Reactor) to monitor production issues and evaluate performance metrics, identified major bottlenecks and provided action plan for optimizing of overall site performance ● Significantly increased data access layer performance (H​ibernate3 + Oracle 11g)​by applying more efficient fetching strategies, creating indexes, optimizing queries/getting rid of most heavy/redundant ones, eliminating N + 1 selects, cartesian products etc ● Applied denormalization of certain DB tables containing mostly immutable/read­only data (locations hierarchy) ● Adoptedandfine­tuned2ndleveldistributedcache(E​hCache)​inJBossclusteredenvironment ● Proved the validity and performed migration from H​ibernate​native interfaces & mapping files to J​PA 2.0​standard From November 2010 to May 2011 (7 months) Java Software Engineer @ High traffic transactional eCommerce application (with over 15k unique visitors per day) ranked as No. 1 French retailer. Complexity of this project was in providing acceptable catalog search and navigation performance with more than 350k products available online. Technology stack:​Spring 3, JSP 2.1, JBoss 4.2.2, Oracle 11g, jdbc, Ajax, jQuery, ant 1.8 Key Achievements: ● Implemented​product catalog o​ffering​h​igh performance of search, browsing and navigation operations while being able to contain more than 3​50k products ● Implemented R​ESTful​WS​for gathering stock level information of products in more than 100 stores on nightly basis and providing it on demand in form of JSON objects or XML elements ● Integrated J​Boss TreeCache​in order to increase performance of stock statuses retrieval ● Implemented stock information presentation using A​jax.​ From March 2010 to November 2010 (9 months) Java Software Engineer @ eCommerce online store integrated in children’s educational portal. Technology stack:​Spring 3, JSP 2.1, JBoss 4.2.2, jdbc, Oracle 11g, Ajax, Dojo, JAXB, JSON, ant 1.8 Key Achievements: ● Conceptually designed and implemented S​ingle Sign On functionality for centralised authentication within multiple web applications ● Was responsible for design and implementation of​ c​heckout flow l​ogic (both back­end and UI parts) rd​ ● Performed i​ntegration with 3​party o​rder fulfillment and payment systems ● Implemented t​argeting framework ​allowing business users to associate advertising companies, promo content, catalog extensions etc. with certain user groups through the set of business rules ● Implemented faceted search in categories using A​jax​(D​ojo library)​for dynamic interaction and search results presentation. From January 2009 to March 2010 (1 year 3 months) Java Software Engineer @ Global retailer with more than 150k products available online. Technology stack:​Servlets 2.5, JSP 2.1, JBoss 4.2.2, jdbc, Oracle 11g, Ajax, Dojo, JAXB, JSON, ant 1.8 Key Achievements: ● Implemented n​avigation by category ● Refactored integration with C​yberSource​eCommerce Payment Management System in order to o​ptimize checkout flow​and r​educe number of credit card authorization calls​to service (m​onthly​s​aving ~40k $)​ From April 2008 to January 2009 (10 months) Java Software Engineer @ Solutions for travel and hospitality business. Technology stack:​ Spring, Struts, Hibernate, JSP 2.1, WebSphere, MySQL, Ajax, jQuery, Ant Key Achievements: ● Implemented data access components using H​ibernate ● Performed integration and optimization of payment management system ● Implemented rich presentation layer using j​Query From September 2006 to April 2008 (1 year 8 months) Alex Belakurski is skilled in: Tomcat, Spring, Hibernate, Ant, Java Enterprise Edition, Design Patterns, Spring Framework, EJB, Java, Core Java, Multithreading, Spring MVC, Concurrent Programming, Data Structures, Algorithms, JDBC, XML, XSD, JAXB, JNDI, JAX-WS, Struts, JPA, Apache Commons, JMS, ActiveMQ, Servlets, JSP, REST, AJAX, Dojo, jQuery, JSON, JavaScript, HTML, CSS, JBoss Application Server, Oracle, Groovy, Grails, Gradle, Apache CXF, MySQL, PostgreSQL, DB2, MongoDB, MS SQL Server, Maven, Git, JAX-RS


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In a nutshell

Alex Belakurski's Personality Type

Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

1 year(s), 3 month(s)

Alex Belakurski's Willingness to Change Jobs

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