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Best Neo4j Coders, Consultants for Hire in Ukraine

Neo4j is a graphical database management system with open source code implemented in Java. As of 2015, it is considered the most common graph database system. The developer is the American company Neo Technology, the development has been underway since 2003. The data is stored in its own format, specially adapted to represent graph information, this approach in comparison with the modeling of a graph database by means of a relational DBMS makes it possible to apply additional optimization in the case of data with a more complex structure. Also, it is claimed that there are special optimizations for SSD-drives while processing the graph does not require its placement entirely in the memory of the computing node, so it is possible to process large enough graphs. The main transactional capabilities are ACID support and compliance with JTA, JTS and XA specifications. The application programming interface for DBMS is implemented for many programming languages, including Java, Python, Clojure, Ruby, PHP, and also implemented the API in the REST style. You can extend the programming interface both with server plug-ins and with unmanaged extensions; plugins can add new resources to the REST interface for end users, and extensions allow full control over the program interface and can contain arbitrary code, so they should be used with caution.

Neo4j Development Services

Neo4j Development Services in Ukraine

Looking for a Neo4j developer for your business? You clearly came to the proper vendor. “Echo” provides IT staffing services and project based coding. We pleasantly help you to find the relevant employee or a team for remote collaboration. All our coders are accomplished experts experienced in developing tailor-made apps using the up-to-date techs, including NEO4J, Agile, Python, WPF, ASP.NET, WebGL, Cassandra, Redis, PostgreSQL, SCADA, Meteor. You can also hire us as a Neo4j development company and outsource full-cycle development services to us.

OUR ADVANTAGES :

  • Greatest Ukrainian developers with more than 5 yrs of commercial experience.
  • Staff retention best standards to make sure your coders stay contented.
  • Personal account managers to maintain smooth cooperation.
  • Flexible model with predictable bi-weekly payments.

We help you accelerate your ideas by providing reliable Neo4j developers who can join your firm and immediately start delivering first-rate code. Get in touch with us and review the profiles of software engineers available for work right now. Also, you can read “Neo4j Developer Salary in the US and UK compare to Ukraine” to reveal the true cost of hiring.

TOP5 Neo4j Programmers in July 2018

1 Yevhen G.,Age: 26, E-mail: ye*@gmail.com,
Skills: HTML/CSS, Java, Scrum Master, NoSQL (Redis), SQL, MySQL, NoSQL (Neo4j)
Contact Us to Get the Full CV (ID 611237)

2 Artem P.,Age: 32, E-mail: ar*@gmail.com,
Skills: JS (Angular 1.x), JS (Node), HTML5/CSS3, MySQL, NoSQL (Neo4j)
Contact Us to Get the Full CV (ID 554318)

3 Roman B.,Age: 31, E-mail: bo*@gmail.com,
Skills: Java, MySQL, PostgreSQL, NoSQL (MongoDB), NoSQL (Neo4j)
Contact Us to Get the Full CV (ID 554317)

4 Nina M.,Age: 29, E-mail: ni*@gmail.com,
Skills: JS (React), JS (jQuery), NoSQL (Neo4j)
Contact Us to Get the Full CV (ID 554315)

The list of Neo4j coders is based on our applicant tracking system (ATS) records and updated every day.

Questions and Answers related to Neo4j Development

What does a constant-time traversal in graph DB mean, and how is it ensured?

“Graph is a natural index. Everything is indexed—-nodes are connected to each other via edges. It takes constant time to locate the relevant data. To understand the constant index lookup property, let’s step back to a familiar context—the relational database. In relational database, when you lookup an indexed value, it takes constant time. Analogy is the Table of Contents (TOC) of a book, regardless of the book content thickness, it takes constant time to look up the TOC and locate a content…”

What are the advantages of graph databases over logic programming languages like Neo4j?

“A database is persistent, can serve multiple clients, since can scale and perform transactions, and operations that would be harder to specify or slower. Each node of the graph can have data. Each link can have data. A node can link to nodes in other graphs. Try find-shortest-path on a graph with 30,000 nodes and 280,000 connections. When I tested it yesterday it took about a tenth of a second to find a shortest path that was eight nodes long, out of millions of possible paths…”

How do I know whether I should use PostgreSQL or a graph database like Neo4j?

“Graph DB would be much faster when you are interested in querying individual instances as opposed to large sets of instances. Graph DB effectively pre-joins individual records avoiding index lookups and making such query time independent of dataset size (index-free adjacency). Recursive queries that arise when exploring relationships on the same class (e.g. friend of a friend) are easier with a traverse operation available in graph query languages…”

Are graph databases like Neo4j currently able to process big data (including the volume dimension)?

“There are two types of graph databases. Graph engines for transaction processing , e.g. OrientDB and Neo4J and graph analytic engines. JanusGraph is an open source transaction graph database with Apache 2.0 license. It is a fork of TitanDB and uses Cassandra or HBase as a storage engine with optional indexing in Solr and graph analytics in GraphX. JanusGraph is distributed and can handle large volumes of data. Unlike Neo4J it uses the concept of an adjacency list as storage whereas Neo4J uses a doubly linked list…”

What are good books on advanced topics in Neo4j?

Best Neo4j Books to Master the Technology


Consider asking some of these questions during a job interview to assess candidate’s skills.

MS&AD Insurance

Big Names Using Neo4j

What Fortune 500 companies are using Neo4j in production among other popular technologies? A good example is MS&AD Insurance (www.ms-ad-hd.com).

MS&AD Insurance Group Holdings. MS&AD Insurance Group Holdings, Inc. is the holdings company of MS&AD Insurance Group. It creates strategy for the entire group and also engages in various activities for the local communities and environment.

Also, big brands use RoR, ASP.NET MVC, Umbraco, Java, ADO.NET.

Typical Programming Projects and Tasks for Neo4j Developers

Neo4j Small Project - Graph Db

Hi I am looking to create a small project with neo4j. It's about relationship between people and entities. For example: A person 1, works at Company B but Consulting Company D and invested in ... (United States)

Java Neo4j Project Help

I am working on a Java / Neo4J project. I am wondering if you will have to help me out with the project and whats you availability? Thanks. This job was posted from a mobile device, so please pardon ... (United States)

Neo4j Custom Prodecure

I need a customs procedure based on graph traversal for neo4j. ... (Turkey)

Marketplace E-commerce Application For Mobile IOS/Android

Marketplace Ecommerce application for both native android/ios(Not Hybrid/Web). Will be Amazon/eBay like application for buying/selling products through many multi level categories. AWS ... (United States)

Developer Needed

Looking for developer proficient in cloud computing (using AWS) to help finish automated high frequency trading software, someone fluent in Neo4j databases (MongoDB could also be an option) and Apache ... (United States)

Fix D3.js Force Layout

I have a d3.js V4 app, that makes use of the force layout. I want it to work exactly like the NEO4J d3.js force graph - https://neo4j.com/sandbox-v2/?ref=product The nodes do not space out as I ... (United Kingdom)

RESTfulservices For A GraphDB Based Application To Be

Looking for a self motivated strong hands on developer(s) who can take up a challenging work on building a scalable solution for ... (United States)

Open Source Project - Developing Open Science And Open

Just One Giant Lab (JoGL) is the first massively open and distributed mobilisation platform for IP-free research and innovation for the common good. This webpage explains what we are doing in a litte ... (France)

Wordpress Web Development With Neo4J Integration

We would like to develop new webpages within our website (www.leveragingexperience.com) which will connect to a Neo4J instance (community edition). We are aiming to create a webpage, or series of ... (United Kingdom)

Need A RoR Developer For An Urgent Job For Create Testing

Hello, I need a developer available from now to start working with me on some testing stuff on a RoR app. The App I have need a rspec testing for one functionality and I have to deliver it in 3h from ... (Denmark)

QA Test Engineer

We are looking for an individual who will be responsible for performing various kinds of testing to ensure the highest level of product quality for Eagle6 software. You will work with development and ... (United States)

Urgently Needed Web Developer/Editor

Neo4j is the world’s leading internet-scale, native graph database that leverages connected data to help companies build intelligent applications that meet today's evolving challenges including ... (United States)


These results are based on the freelance Neo4j jobs extracted from Upwork in July 2018.

Trusted By The World’s Leading Companies Since 2013

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