18 февраля

Senior Scala Software Engineer 🔥 

Kiev · $4500 · 5 лет опыта · Upper Intermediate

Scala: Akka(+ components), cats, scalaz, fs2, monocle, doobie, slick, http4s, shapless, etc... Java: Spring(+ components) Python: Django, Flask, NumPy, Pandas Queue: RabbitMQ, Kafka BigData: Hadoop, Spark Search: Elasticsearch, Sphinx DB: Redis, Neo4J, MongoDB, Cassandra, HBase, PostgreSQL, MySql Other: Docker, AWS, TensorFlow

Akka, AWS, Django, Flask, Highload, Java, Python, Redis, Scala, Spark, Spring, Cassandra, Docker, ElasticSearch, Hadoop, JavaScript, MongoDB, RabbitMQ

I participated in the creation of 7 large projects. In the last few projects I directly engaged in the development of architecture, which allowed to simplify the logic, improve efficiency and optimize business processes. I am result oriented person, that is why I am very attentive to each project in order to get the product of the highest quality

I am looking for an interesting project with a complex architecture


18 февраля

Senior Scala Developer

Киев · $7000 · Больше 10 лет опыта · Upper Intermediate

Over 10 years of experience in software development for the various platform

Cassandra, Kafka, Linux, Oracle, PL/SQL, PostgreSQL, Scala, Akka, Akka-cluster, Akka-http, Akka-streams, Cats, Sbt, couchbase, MongoDB


18 февраля

Scala Developer

Санкт-Петербург · $1500 · 2 года опыта · Intermediate

Scala/Akka/Play experience is less than a year. With python/pandas/numpy/scikit-learn, I made an analysis of coal freight data to predict the loading of cargo ports. Made some REST APIs with python/django. Made some plugins for AutoCAD with C#. Skills: Scala, sbt, Spark, Cassandra, Akka, Akka HTTP, Play Framework, SQL, PostgreSQL, git, Docker, Linux, Ubuntu, Python, Django, pandas, NumPy, scikit-learn, REST API, C#, .Net Framework.

Akka, Apache Spark, Cassandra, Functional programming, Hadoop, Play Framework, Python, Sbt, Scala, SQL

Interested in scala backend development.


14 февраля

Senior Java Developer

Минск, Москва · $3500 · 5 лет опыта · Intermediate

1) Senior Software Engineer at Adform Development SSP (https://en.wikipedia.org/wiki/Supply-side_platform). - new features development - optimizing code and infrastructure for highload - finding and optimizing hot spots Technologies and tools used: Scala, Twitter Finagle, Kafka, Akka 2) Senior Software Engineer at EPAM System Developed data ingestion flow for large retail company. Involved in processing up to 100GB daily data in Spark on Azure cluster. Part of the data was prepared and queried via Hive. Technologies and tools used: Kafka, Spark (Scala), Hive, HDFS, Azure 3) Senior Java Developer at iFuture On this position I : - developed online casino; - integrated two online games providers; - created CMS for manage stuff like games, banners, promo etc; - developed system for managing transactions; - developed system for reports(profit and loss by users, product etc.); The system itself consists from a bunch of microservices, which communicate with each other via REST or Kafka, and a couple of monolitic services. I used docker for local development, Spring Boot freamework as a DI, WEB, AOP framework, Spring Cloud (Feign and Hystrix clients), JPA (HIbernate as an implementation), Postgresql and Oracle as a databases, EHCache for caching, Redis for caching and zero-downtime deployment. Also, I was in charge of: - monitoring the system (NewRelic, Zabbix); - architecture improvement. Here I was mostly focused on following best practices for microservices development: 12-factor principle, config server, request tracing, choreography over orchestration if it makes sence; - performance improvement: caching slow queries and remote calls, resolving slow queries (Hibernate), - codebase improvement: Lombok, monitoring aspects, unit testing

Java, Java Core, Spring, Spring Boot, Spring MVC, Tomcat, Algorithms, Cassandra, Hibernate, JPA, Kafka, Multithreading, Scala, Servlets, Finagle, Java EE, Spark, Linux, MySQL, Redis

A few words about my dream job: low latency, high throughput, high load, big data, distributed, multithreading. Not interested in UI or FullStack!


11 февраля

Java Developer

Харьков · $550 · Меньше года опыта · Advanced/Fluent

Academic work and pet projects in Java and Scala. Looking for an entry-level position in Java or, preferably, Scala. Excited about Big Data, cloud computing and OOD. Passionate learner, eager to improve.

Big Data, DDD, Design Patterns, Gradle, Java, Java Core, JavaScript, JUnit, MongoDB, OOP, REST API, Scala

Excited to work in a professional environment and tackle modern problmes.


10 февраля

Разработчик Scala

Удаленная работа, Украина · $6000 · 5 лет опыта · Upper Intermediate

Scala, Akka, Akka streams, Akka Http, Play, REST, anorm, cats, SBT, ScalaTest, Git Java - 6 years Scala - 5 years

TDD, Akka, Java, Lift, REST API, Scala, MySQL, Play, Spray, Akka Streams, MongoDB, Spark

Reorganized and improved existing tests execution time so that they pass within 30 seconds instead of 5 minutes. Redesign of shopping cart to support wish list and saved cart functionality, application integration with social networks and loading time speed-up of main search page from 3 sec to 200 ms by implementing product pool cache. Provided RESTful web services for the mobile application, setup automatic build process and integrated it with Jenkins, as well as covered code with unit and integration tests using TDD approach

I am skilled developer who enjoys challenges. I seek position to further expand skills and contribute to a company with creative personnel and challenging projects. My Computer Science interests span several areas including highly concurrent and distributed systems, mobile solutions and full stack of backend application development.


5 февраля

Senior Scala / Java Developer 

Удаленная работа, Украина · $5000 · 7 лет опыта · Upper Intermediate

Scala, Akka, Play Framework, Cassandra, ScalaTest, AkkaTest, CQRS, Event Sourcing, ELK, Microservices, JWT. Java Core, Algorithms, Multithreading, Spring(Core, Security, Data, MVC, REST), Hibernate, Google Guice, Google Gin, GWT, GWTP, CSS, HTML. JUnit, Mockito. Oracle DB, PostgreSQL, MS SQL, MySQL. Design Patterns, TDD, SOLID, KISS, DRY. TeamCity, Jenkins, Git, Maven.

Akka, Cassandra, Java Core, java.util.concurrent, playframework, PostgreSQL, Scala, Linux, Slick, Spring

I learned Scala (and other new technologies) ‘on fly’ during the first months of development new game engine and made a number of successful contributions and architecture design decisions. I took a chain of important decisions that lead our product to success. I've encountered a lot of difficulties in my programming way. I've succeeded doing refactoring kilometers of code, investigating memory leaks, reducing memory consumption, decreasing stop-the-world GC time, increasing throughput, mentoring, fixing bugs, implementing algorithmic improvements, etc.

I have a passion for algorithms, mathematics, calculations, artificial intelligence. I adore solving nontrivial, challenging and significant complicated tasks, do researching and apply results for goal gaining. I like multithreading and highload. I am looking for a long-term challenging and interesting project that needs an enthusiastic programmer on board to develop high quality, intelligent software or product. Outsourcing is not interesting.


31 января

Senior Scala/Java BigData Developer

Харьков · $5000 · Больше 10 лет опыта · Advanced/Fluent

Solid professional with head-on experience in business and hi-tech environments Java, J2EE, Scala Spring, Hibernate, JSF, GWT; Angular; JavaScript; WebServices, WSDL, SOAP, JAX-WS, CXF, JAXB; REST; JUnit, TestNG, HttpUnit, ScalaTest, Mockito; RabbitMQ, ZooKeeper; SOLR, ElasticSearch; Datadog, Kibana; AWS, S3; SQL, JDBC, H2, Oracle, MySQL, PostgreSQL; HP Vertica; NoSql, Mongo, Couchbase, Redis; Hadoop, Hive, Spark, Presto, NiFi, AWS EMR Docker, Docker-compose, Kubernetes, Microservices Maven, Gradle, SBT, Ant; Jenkins SVN, Git, Github Tomcat, JBoss, Glassfish, Weblogic, Netty, Undertow

Agile, Git, Hadoop, Highload, IntelliJ IDEA, Java, Java Core, Java EE, Kanban, Linux, Scala, Scrum, Spring, SQL, AWS, MongoDB, RabbitMQ, Redis

Interested in robust scala/java big data projects with business value. Less bureaucracy, more issues solved for biz need.


30 января

Middle Scala Developer

Удаленная работа, Украина · $2000 · 2 года опыта · Upper Intermediate

- Development of asynchronous REST APIs for data storing and retrieving with AWS S3, integration with Amazon Rekognition. (python) - Development of Kafka Streams application and a Kafka-Http connector for JSON data. (scala) - Containerizing applications for automated deployment. - Near real-time sensor activity and geofence interactions monitoring using Apache Spark Streaming and GeoTools. - Creating Machine Learning models with Python and sklearn. - Processing data in parallel using DASK. - Development of Scala & Apache Spark course for beginners - Blog post writing covering Spark, Scala, DL4J. Сейчас занимаюсь разработкой на Scala, хочу развиваться дальше в этом направлении в команде профессионалов, научиться у них новому, повысить свой уровень. Интересует Spark, Kafka; Интересно работать со стримингом данных.

Cassandra, Docker, Git, Kafka, PostgreSQL, Python, Sbt, Scala, Spark

Хочется стабильных проектов с профессионалами, которые подскажут куда развиваться. Не хочется заниматься скаканием с проекта на проект или с технологии на технологию, с языка на язык.


15 января

Senior Software Engineer 

Удаленная работа, Украина · $5500 · 6 лет опыта · Upper Intermediate

- Java, Scala - Spark, Hadoop, Impala, ClickHouse - Akka, Play - Docker, Kubernetes - Mesos, Singularity - ElasticSearch, MongoDB, Cassandra - SQL databases - AWS stack - JEE stack

Big Data, Distributed Systems, Java, Scala, Spark

experienced in: - JEE solutions - banking projects - programmatic advertising - cloud solutions - big data processing - distributed systems

- scala - highly loaded systems - big-data


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