The project is an online metaverse and #1 avatar-based social network where people can register, create an avatar and in a complete and rich virtual world do social interaction, games, etc.
It is next generation of VR social network, based on a distributed, service-mesh-type architecture.

Job Summary
We are looking for a Senior Data Architect who will be a significant part of creating a data platform for a new product.

Goals of the project:
— Develop a new data platform that would run on AWS and replace the legacy one.
This platform is expected to:
— Enable business analysts and data scientists to perform analysis to gain insights on customers, business operations, etc, as well as build forecasting and recommendation ML models, and perform A/B testing.
— Support zero-code acquisition and processing of a new data source, add features into the data and spin up new ML models in production.
— Have data curation capabilities, support the required levels of data resiliency and consistency, and be cost-effective and properly automated.

— Data architecture experience
— A clear understanding of ETL and data curation
–– Strong experience and understanding of relational and distributed databases (including internals) (e.g. PostgreSQL, MySQL, Cassandra, etc.)
— Proven experience in Spark, Kafka, and streaming systems (Spark Streaming / Kafka Streams / Apache Flink), as well as query execution engines (e.g., Presto)
— Strong experience with AWS
— Strong understanding of reactive & functional programming
— Strong expertise in Java, Scala, SQL, and Python
— Good documentation skills
— Experience with continuous integration, test automation, and deployment
–– Experience with data monitoring and tracing in distributed and service-oriented systems
— Experience in distributed systems design and best practices
— Experience with Hive, Hadoop
— Understanding of integration with Tableau or other BI tools
— Advanced / fluent written and spoken English

— Work with the Director of Data Engineering to design the data platform
— Manage and guide software engineers during the development
— Systematically work on formalizing business processes, customer acquisition lifecycles, and the overall data framework
— Actively participate in the development

We offer multiple benefits, such as:
— Challenging work in an international and professional environment
— Mastering the English language with a native speaker
— 40-hour working week with flexible working hours
— Flexible WFH policy
— Competitive salary
— PE accounting and support
— 20 paid vacation days per year
— 14 paid sick leave days per year
— Medical insurance
— Annual 250$ deposit for attending external events (conferences, workshops, etc.)
— Long-term employment and real opportunities to change roles and projects within the company
— Yoga classes, workout corner
— Collaborative and friendly team environment
— Cozy, fully equipped office space in the city center (near “Palats Ukraina” subway station)

About Rails Reactor

Rails Reactor is a software company, an investment partner and an educational hub.

With the headquarters in San-Francisco and offices in Boston and New-York, we keep abreast of the US business scene.

Using our special expertise in AI, Machine Learning, Big Data, Mobile, AR/VR and more, we deliver our services across multiple industries like Healthcare, E-commerce, Retail, Marketing Automation tools and On-demand services mainly for US-based customers.

We build software solutions for Enterprise level businesses, for SMBs and for startups. We also provide thought leadership, education and events to maintain an innovative mindset and forward thinking attitude.

Besides delivering software solutions, Rails Reactor pays great attention to building and improving local JS, AI, PM and multiple other communities in Kyiv. We do that by running and hosting meetups, workshops, and hackathons under the brand “Meetup Tonight”.

Company website:

This job is no longer active.
Смотреть актуальные вакансии Lead / Architect / CTO Kyiv→.

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