Hire the best Comet specialists

Check out Comet specialists with the skills you need for your next job.
  • $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
    vsuc_fltilesrefresh_TrophyIcon Comet
    Eclipse Jetty
    Spring Boot
  • $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.
    vsuc_fltilesrefresh_TrophyIcon Comet
    PostgreSQL Programming
    Artificial Neural Network
    Amazon EC2
  • $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
    vsuc_fltilesrefresh_TrophyIcon Comet
    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.
    vsuc_fltilesrefresh_TrophyIcon Comet
    Organizational Structure
    Communication Strategy
    Microsoft Excel
    CRM Software
    Microsoft PowerPoint
    Microsoft Word
  • Want to browse more freelancers?
    Sign up

How it works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a Comet Specialist on Upwork?

You can hire a Comet Specialist on Upwork in four simple steps:

  • Create a job post tailored to your Comet Specialist project scope. We’ll walk you through the process step by step.
  • Browse top Comet Specialist talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Comet Specialist profiles and interview.
  • Hire the right Comet Specialist for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Comet Specialist?

Rates charged by Comet Specialists on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Comet Specialist on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Comet Specialists and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Comet Specialist team you need to succeed.

Can I hire a Comet Specialist within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Comet Specialist proposals within 24 hours of posting a job description.

Schedule a call