today

Junior/Trainee Scala Developer

Zaporizhzhya, Kyiv, Lviv, Dnipro · $400 · Less than a year of experience · Intermediate

Have some non-commercial experience with Scala/Akka/Spark. I have some experience with Golang and Java. Currently, i work as python/django developer and have more than 3 years of experience. During my work carrier I developed different projects: system for medical recommendations; sports betting platform; cybersports events aggregator; rest api for app like Uber; rest api for dating app; etc.

Python, Django, Git, PostgreSQL, Linux, JavaScript, MySQL, REST API, Docker, Flask, Redis, Celery, SQL, MongoDB, HTML, AWS, Aiohttp, Django-Rest-Framework, Django Channels, Scala, Akka, Java, HTTP, Scrapy, Slick, Sanic, Cassandra, Django REST Framework, RabbitMQ, Nginx, Apache Spark, Spark, Akka-http, Akka streaming, Play framework

Create a realtime map with indicators of current meetups in the world. For that project, i use Spark and Spark streaming, for web socket connetions - Akka-http. All data are storing in Cassandra with some processing.

Interesting projects with a professional team without frontends tasks.


8 November

Senior Software Engineer

Kyiv · $6000 · 10 years of experience · Upper Intermediate

Scala. Java

Scala, SQL, OOP, Akka, Linux, Functional programming, Kafka, MySQL, Java, Sbt, Docker, AWS, Maven, Git

Developing Service APIs from scratch with accent to low latency and high throughput. Redesigning old monoliths to small services. Functional and Object Oriented programming usage for problem solving.

Team oriented problem solving. Implementing high performance applications. Solve problems with Java or Scala.


7 November

Scala developer

Odesa, Kharkiv, Kyiv · $4200 · 4 years of experience · Intermediate

- NDA project(current) Technologies on the project: Scala, Spark, Oozie, Sqoop. - NDA project Technologies on the project: Scala, Akka streams, Azure blob. - Project related to navigation Technologies on the project: Java SE8, SQLite. - Insurance web project Technologies on the project: Java, Struts2, Spring, Hibernate, MS SQL, jQuery/JavaScript, Jboss 6x.

Java, Scala, Spring, Akka, Maven, Sbt, SQLite

Oracle Certified Associate Java SE 8 Programmer (2016) Oracle Certified Professional Java SE 8 Programmer (2018)

Preferable: - Good processes - High skilled teammates


7 November

Backend Engineer 🔥

Kyiv · $4500 · 5 years of experience · Advanced/Fluent

Programming Languages​: Scala, Java, Golang, Python Frameworks​: Akka, Scalaz, Cats, ZIO Databases​: Cassandra, PostgreSQL, Redshift, MongoDB, Redis Message Queuing Systems: ​Kafka, Amazon SQS. DI Frameworks: ​Google Guice, Izumi Distage DevOps tools​: ElasticSearch, Docker, Kubernetes, Azuki, Teamcity, Travis CI, Zookeeper Advertising and User Acquisition: Facebook, Google Adwords, Tune, Kochava, Vungle, Apple Ads Cluster Computing​: Hadoop, Spark Others: OneSignal, Aero Gear

Cassandra, PostgreSQL, Scala, Functional programming, Golang, Kafka, Redis, AWS, Git, MongoDB, Sbt, SQL, Docker, REST API

- Speeded up performance by updating DB and caching APIs from 1200 to 1800 req/sec. - Implemented UA and Advertising platform for 10+ partner APIs with scheduled data pulling using Cron and Kubernetes - Developed of domain language API for models and contracts definition which support client and server parts (minimized typos and code base duplicating) - Decreased build and publish time using Docker containers and Docker Compose to define testing dependencies and isolate them, which gave a speed increase from 20 to 12 minutes

Возможность развиваться и получать удовольствие от разработки бизнес-решений вместе с компетентными коллегами


6 November

Senior Scala Developer 🔥

Remote work, Ukraine · $4700 · 9 years of experience · Upper Intermediate

For the last 5 years I am working with Scala web projects. Main library at use is Akka (actor, cluster, streams). Database is distributed embedded key-value storage on basis of akka-cluster.

Scala, Akka, NoSQL

My biggest achievement is gradual migration of project which had required a dozen of senior developers to simpler solution which now can be maintained by couple of middle ones. All changes were done on production systems and clients have very positive feedback about changes. Bugs and performance issues have become a rarity. Along the way the product expanded its functionality and introducing of new features takes of magnitude less time now.


4 November

Senior Scala Developer

Kyiv · $4500 · 6 years of experience · Upper Intermediate

Building scalable back-end systems with microservice architecture Building BigData applications using Apache Spark

Scala, Akka, Spark, Java, SQL, Linux, Git, MongoDB, Docker, Functional programming, Play Framework, Kafka, Sbt, play-framework, AWS, REST API, JSON, Cassandra, Cats-effect, Multithreading, OOP


2 November

Разработчик PHP/Scala

Kyiv · $3500 · 5 years of experience · Pre-Intermediate

Более 4 лет, разработки backend-a e-commerce системы на php. Внедрение контейнеров, и CI/CD. Gitlab CI/CD, helm, docker, Kubernetes, PHP7, Zend, microservice, MySQL, Linux, git, bash, typescript (ES6). Так жё есть навыки и опыт некоммерческой разработки FP, Haskell, Scala, Clojure, Erlang, Elixir, Java, Akka (akka-http, akka-actor).

Linux, PHP, Unix, Zend Framework (ZF), Docker, Helm, JavaScript, k8s, MySQL, Scala, OOP, Git, Akka, Sbt, REST API, SQL, IDEA, Kubernetes, Clojure, Functional programming, ZIO, AWS, HTTP, AJAX, Design Patterns, REST, TypeScript

Разработка backend-a e-commerce платформы на микрсервисной архитектуры. Использование контейнеров docker. Развёртывание кластера k8s. Внедрение CI/CD практик в цикл разработки.

Желание поменять стек разработки на Scala.


2 November

Lead Software Engineer/Architect

Kyiv, relokatsіja (US) · $8000 · 9 years of experience · Advanced/Fluent

9 years of experience in IT. Expertise in full SDLC from gathering requirements from stakeholders and setting project KPIs to supporting, monitoring and evolving production systems. Worked on greenfield projects I’ve started from scratch as well as complex legacy systems that needed to be evolved while still supporting production. Have experience in building development teams and extensive experience in interviewing and hiring. Most of my technical expertise is around the JVM stack, but I’ve dabbled around Python, Go and some other platforms as well. Ultimately I like working on tough unsolved problems and picking the right tools for the job. I have public speaking experience e.g. JEEConf and some smaller meetups Skills summary Programming Languages: Java, Scala (expert), Python (intermediate), Go, Ruby, JS, Groovy (beginner) DevOps: AWS, Kubernetes, Helm, Terraform, CI/CD, Docker, Linux Databases: MySQL, PostgreSQL, Elasticsearch, Riak, Cassandra, DynamoDB, MongoDB, Redis “Big Data”: Kafka, Kafka Streams, Spark, Hive, Redshift Other: ML/Deep learning (Pytorch, Tensorflow)

Scala, Java, Akka, Spark, Kafka, Git, MongoDB, Linux, SQL, Sbt, Python, AWS, Functional programming, RabbitMQ, SOA, Maven, PostgreSQL, Docker, Cassandra, Spring, MySQL

Workplace1: -Implemented a data lake using S3/Parquet/Hive metastore/Spark and helped migrate most of the heavy batch processing to the data lake from online DBs. This dramatically improved performance of both offline and online parts (around 6x improvement for batch jobs) and significantly reduced infrastructure costs -Built a streaming data pipeline for ingestion of web conference data -Implemented a service for managing sensitive data (emails) and handling their retention and redaction -Helped adoption of the Scala stack in the company -Worked on stabilization of a complex legacy data pipeline reducing the number of bugs and oncall issues -Is a core interviewer for the Kiev team Workplace2: As the first engineer hired by X in Kiev, worked on establishing communications, interviewing and development processes -Integrated a new mobile apps store data provider into the system -Worked on extending and refactoring the analytics modules backed by Elasticsearch and Cassandra, extending functionality and improving performance Workplace3: -Rewritten some major parts of core business functionality, extracting them from the monolithic application into microservices and extending logic to support new business requirements -Implemented an async task prioritization framework on top of Kafka to ensure fair processing and SLAs in a multitenant system -Played a major part in adoption of the microservice architecture in the company and moving to the Netflix stack (Eureka, Zuul etc) -Implemented and supported a number of new services such as a rule based content packaging/translation job creation service, notifications service, web crawling service -Was a core interviewer for the team Workplace4: -Built a new development team for X in Kiev -Implemented a payment middleware service providing a standard API for seamlessly integrating various payment services with slot games

Fast paced product company with challenging problems, good engineering culture and room for personal and professional growth.


29 October

Java/Scala Engineer 🔥 

Kyiv · $3500 · 3 years of experience · Upper Intermediate

Java Back-End Developer Company - PROIZD Jun 2017 - Jan 2018 • Was making server-side for railway ticket selling service. • Implemented full logic for searching and buying tickets for buses Software Engineer Intern Company - SAP Jan 2018 - May 2018 • Developed Face Detection / Recognition system for SAP DataHub. • Implemented scalable pipeline for ML solutions Back-End Java Developer Company - IntelVerse Jun 2018 – May 2019 • Involved in all stages of development • Built separated modules with different logic • Providing CI/CD for each module • Testing and writing documentation for every piece of code Scala Software Engineer Company - Exabeam Jun 2019 – Present • Designing and implementing new features to the project • Testing and writing documentation for new functionality • PR reviews

Java, Java Core, Java SE, Hibernate, IDEA, Java EE, JPA, JSON, JSP, Maven, OOP, Patterns, Spring, Threads, Tomcat, XML, Algorithms, Bootstrap, CSS, HTML, JDBC, JUnit, MongoDB, Multithreading, MySQL, NoSQL, ORM, REST API, Servlets, Android, Microservices, Docker, Linux, Spring Boot, Spring Security, Spring MVC, REST, PostgreSQL, SQL, Git, Scala, AWS, RabbitMQ, Spring Data, Java 8, Scrum, IntelliJ IDEA, Swagger, Amazon AWS, Jenkins, Mockito, Akka, Play Framework, ElasticSearch, Kafka, ZooKeeper, OOP/OOD, Spring Data JPA, Spring Core

Winner of winter hackathon 2016 in Kyiv (Developed the ECG recognizer in real-time using portable EC and mobile device for processing the data) KyivSmartCity 2019 Hackathon Winner (Developed web-service for online scheduling and tracking of route transport)


29 October

Erlang Developer

Kyiv, Lviv · $3500 · 4 years of experience · Intermediate

- Erlang - PostgreSQL, MySQL, Redis; - Git, Redmine, Jira; - RabbitMQ, Amazon SES, Amazon S3, Jmeter, WebSockets, Cowboy, ElasticSearch, OpenFlow;

Erlang, ElasticSearch, Java Core, PostgreSQL, RabbitMQ, Redis, AWS, Java, Spring, Hibernate

new technologies, ability to travel


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