Hire the best Comet specialists

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  • $40 hourly
    1. Brief Overview Mature Software Developer with very successful background of world-known public products (chess.com/live) and 20+ years of proven experience in a variety of Java- and C++-based technologies, SQL DBs, IT systems and tools. Extensive record of cooperation with partners/customers in US and Europe. Played a key role in successfully launched and running industrial and scientific projects at Chess.com (CA, US), Max Planck Institute (Germany), etc. Tried own startup/projects. Responsible, communicative and proactive workaholic. Strong mentoring, project management and interpersonal skills. Excited by and happy to thrive in new technologies. 2. Intentions Looking for a long-term full-time job/project worldwide with Java-based stack of market-actual technologies. Backend or full-stack with minor front-end are preferred. Remote participation is much preferred; relocation is not (except very special offers). Could start as a developer. Would be great to have a prof and vertical growth possibility (up to TeamLead, PM, SysArch, etc.). 3. Education - Master Degree of Computer Sciences (Donetsk State Technical University, Ukraine, 1998) 4. Most Actual Background (incl. primary skills) 4.1. LiveChess Since May 2009 until January 2020 I was a Key/Lead Developer on the LiveChess project at Chess.com (Palo Alto, CA, US) – The #1 Chess Site Worldwide. Worked remotely via Upwork and directly. LiveChess is the core application at Chess.com (see: chess.com/live), providing a Live Chess Game Service for chess players worldwide, handling 50K+ users and 15K+ games + hundreds tournaments, arenas and team matches at a time. I was involved into LiveChess Architecture design, LiveChess Game Server development, LiveChess Client API, Chess Bot app, Load Generators, Monitoring apps. Guided Web, Android and iOS teams with their LiveChess clients. Tech stack: - Java 8, incl. intensive multi-threading. - Azul Zing VM, incl. memory optimization, profiling, GC tuning, etc. - Jetty, CometD, JSON. - Network programming incl. HTTP LongPolling and WebSocket. - MySQL+iBatis, Redis/Jedis. - JUnit+Komodo. - Datadog and Slаck API. - UCI: Fruit, Stockfish, Komodo, LC0/Leela. - Git/Github, Jira. - IntelliJ IDEA, Maven... - Jenkins, CircleCI. - Linix, SSH... - etc. 4.2. Chess Game WebService In 2019 started with more actual technologies involving my major experience with Chess. Completed a Chess Game WebService providing REST API for creation, playing and observing chess games. Tech stack: - Google Cloud Platform (GCP). - Java 11. - Docker. - Spring Boot WebFlux + Project Reactor + a ton of misc libs (Lombok, etc.). - REST API, JSON... - Redis (+Streams). - Git/Github, Maven, IntelliJ,... - CircleCI, Prometheus/Grafana... - Etc. Currently remaining at Chess.com on consultant role. 5. Other/secondary (old) skills - Java 2-7 (Java Core, AWT+Swing+Java2D, CORBA, etc.) – since 1999. - JEE5/6 (EJB3, JSP+JSF, Hibernate, etc.) – since 2007. - GlassFish, Tomcat, JBoss, Jetty, etc. – since 2007. - Eclipse, NetBeans – 2007 - 2009. - JME (CLDC 1.1, MIDP 2.0) – 2005. - Oracle, PostgreSQL, InterBase – 2000 - 2009. - C/C++ using STL, ACE, GCC, gmake, C++ Builder, KDevelop, CVS, … – 1995 - 2007. - Subversion, CVS – 2000 - 2010. - OOD, OOP, UML, Design Patterns – since 1995. - Project management and team leading – 2004 - 2009. - Etc. 6. Language Skills: - Russian - native - English - good (close to fluent) - German - intermediate (quite fluent, but non-perfect) - Ukrainian - intermediate 7. Usually online (UTC): - 10:00am - 4:30pm - 7:00pm - 9:00pm 8. Misc: - Github profile: github.com/rododin
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    Hibernate
    Eclipse Jetty
    Spring Boot
    Java
    MySQL
    Redis
    C++
  • $50 hourly
    Backend web application developer (Python/Django, Node.js), mathematician, project manager, CEO of Meotyda digital agency. PhD in computer science. 16 years in software development. I'm fluent in written and spoken English, and got second degree as an interpreter. Daily online meetings with English-speaking customers are a part of my job. I like complex tasks and can quickly dig into any technology or area of expertise.
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    MATLAB
    PostgreSQL Programming
    Artificial Neural Network
    Amazon EC2
    Redis
    Django
    MongoDB
  • $50 hourly
    PROFESSIONAL SUMMARY Experienced advertising executive with over 12 years of expertise in sales and post-sales processes. Proven track record in managing large accounts and leading digital marketing strategies. Proficient in social media management and paid traffic across platforms such as Google Ads, Meta Ads, Shopee Ads, and TikTok Ads. Seeking new opportunities to expand knowledge and improve English proficiency, currently at a basic level. CAREER OBJECTIVE SEEKING TO JOIN A DYNAMIC COMPANY TO EXPAND MY KNOWLEDGE
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    Video Editing
    Market Analysis
    Sales & Marketing
    Digital Marketing
  • $5 hourly
    Desempeñarme en una empresa líder donde pueda aplicar y expandir mis conocimientos y habilidades prácticas, estoy comprometida a contribuir al crecimiento y la innovación de la empresa, destacándome por mi proactividad, capacidad de trabajo en equipo y pasión por ofrecer servicios excepcionales que generen un impacto positivo.
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    Organizational Structure
    Communication Strategy
    Writing
    Paint
    Software
    Mapinfo
    Microsoft Excel
    CRM Software
    Microsoft PowerPoint
    Microsoft Word
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