Senior Java Developer (IRC95588) (offline)

You will be working in a team of backend engineers to develop a RESTful service, whose main purpose is to show a mix of recommendations and ads in real-time. You will have the opportunity to work closely with the data science team on a matter of content recommendation, real-time analytics, and advertisement targeting.

Requirements
- Expert in Java (5+ years of experience)
- Understanding of various database types (key-value, column, RDBMS, etc)
- Experience with low latency REST services development will be a plus
- Knowledge of big data and/or data science domain will be a plus
- Upper-intermediate English

Preferences

Big Data, Airflow, Hive

Responsibilities
- Implementation of REST API
- Development of data preparation service with low latency
- Debug data flow in some big data tools (airflow, hive, aerospike)
- Work with existing ML models for ad targeting and recommendations
- Communication with customer

About Sombra

Sombra is a software development company that works with US, Canadian, and European clients. We combine deep technological expertise with human values, and value proactivity, making the customers happy, changes, open and honest relationships, and self-development.

We do: UI/UX, Innovative Web Application Development, Mobile App Development, DevOps & Cloud, Blockchain, IoT, AI

Sombra’s mission is to make every effort so that Sombra - a team of people who are beyond passionate about their work - continues to work and grow, despite the trials of the war in Ukraine. We work hard to fulfill the trust and expectations that our clients have put on us, to protect and develop our unique team, and to support other companies facing the challenge of working at such difficult times.

Our Vision - Freedom and Victory!

Today, Sombra has 300+ specialists and continues to expand.
The company’s offices are in Lviv, Kyiv, and Ivano-Frankivsk.
The company supports a hybrid work format in all locations — team members can choose to work remotely or from the company’s offices.

Sombra’s achievements:
On the Clutch platform, Sombra was ranked the best software development company of 2022 and entered the top 5 as a fast-growing and stable Ukrainian IT company.

Sombra is a Ukrainian tech company that continues to work and support the people of Ukraine. Since the beginning of the full-scale invasion by russian troops, we have been helping the Armed Forces of Ukraine every day.

Sombra continues to develop and expand rapidly, so we invite you to join our team!

Company website:
https://sombrainc.com/

DOU company page:
https://jobs.dou.ua/companies/sombra/