18 June

Senior Software Engineer 🔥

Kyiv, USA · $5000 · 8 years of experience · Advanced/Fluent

Experienced Scala/Big Data developer with 5+ years of Scala and 3 years of Java experience, with a solid background in telecommunication and financial services domain. Has been working as a senior developer. Besides developing, also has taken part in mentoring junior colleagues, conducting interviews, performing Code Reviews.

Java, Scala, Akka, Slick, Spray, Apache Spark, ScalaTest, Sbt, AWS, Docker, Kubernetes, MySQL, Oracle, Spring, Kafka, Hadoop, Git

- Mentoring junior colleagues - Successful delivery of the project from Proof-Of-Concept stage to production - Performance tuning of Hadoop cluster and Spark jobs

Interested in challenging Big Data projects focusing on Scala


18 June

Middle Java developer

Kyiv · $3000 · 2.5 years of experience · Advanced/Fluent

■ Backend Developer - Genesis (SocialTech) (Mar 2019 – Jun 2019) - Support for highload, distributed system (50+ containers) - Developing new features for monolith project - Supporting and bug-fixing for several microservices projects - Participated in CI enhancement - Advisory on process improvements - Actively participating in architectural discussions ■ Senior PHP Developer - Bintime (Oct 2018 – Feb 2019) - Leading a major refactoring of legacy project, changing the framework from Yii2 to Symfony 3 - Coordinating and team-leading for a group of 5 developers - Heads-up communication with Product Owners and DevOps Engineers - Introducing GitLab Continuous Integration usage within internal projects - Advising in architectural decisions and system-level design - Constantly researching new technologies and solutions for later usage ■ Middle PHP Developer - Bintime (Aug 2017 – Oct 2018) - Delivered numerous new features for existing applications - Designed and implemented internal library for asynchronous job processing - Supported automated order/invoice processing system - Deployment for new versions of applications on Live servers - Constant communication with Product Owners - Mentoring and Code reviewing for teammates ■ Junior PHP Developer - Bintime (Feb 2017 – Aug 2017)

OOP, Design Patterns, Jira, REST API, Software design, PHP, RabbitMQ, MongoDB, Docker, MySQL, Linux, ORM, System design, Symfony, Doctrine, PHPUnit, Team management, Composer, Git, Java, Spring, Maven, Hibernate, JUnit, JDBC, SQL

# Summary # Quick-minded and efficient developer, aspired for facing challenges and dealing with complexity. ❖ Excellent knowledge of programming theory ❖ Ability to quickly learn new technologies ❖ Expertise in system design and messaging patterns ❖ Proficient in mentoring and internal communications ❖ Skilled in troubleshooting and decision-making # Skills # ● Java SE/EE, OOP, SOLID, Design Patterns ● Unit testing, Refactoring, Scrum/Agile methodologies ● Enterprise Messaging, RESTful APIs, Microservices architecture ● Spring Framework, Spring Boot, Hibernate ● JPA, JMS, JSR 303 ● JUnit, Mockito ● MySQL, MongoDB, RabbitMQ ● Git, Vagrant, Docker, Ansible, Gitlab CI

- Good office location - Friendly big team


18 June

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


18 June

Scala Developer

Barselona, Sidney · $5000 · 5 years of experience · Intermediate

Have more than 10 years in IT. Last 5 years I have been working as a software engineer.

Scala, SQL, Kafka, Cats, Cats-effect, Doobie, http4s, Sbt, Functional programming, Fs2, Java, Maven, Mockito, Hibernate, OOP/OOD, Spring, Netflix Oss, RxJava, Akka

Interested in Scala functional programming. Distributed and high load real-time systems. Also, I'm looking for relocation to Spain / Australia


17 June

Software Engineer 🔥

Kyiv · $4000 · 3 years of experience · Upper Intermediate

Programming languages: Java(main), Scala, Python DB: Postgres, MongoDB, HBase, Impala, Hive Technologies/Frameworks: Spring(Boot, Core, Data, Security, Cloud), Hibernate(QueryDSL), Hadoop, Spark(Core, SQL), Kafka Processing engines: Airflow, Azkaban GCP, BigQuery SCM: Git, Mercurial Build tools: Maven, SBT, Gradle

Hibernate, Java, Linux, PostgreSQL, SQL, Gradle, Jenkins, Maven, Scala, Spring, AWS, HBase, impala, JavaScript

Fully designed and partially implemented new version of company's key REST API which caused average response time decrease by 70%. Designed and implemented object's changes metadata provider library based on Javers for event sourcing.

I am seeking interesting challenges and abilities for professional/experience growth. Interested in data processing systems, highload systems with microservice architecture. Not interested in Java EE development and any kind of UI development(JS, JSP, JSF and so on)


16 June

Software Engineer — C/C++, Scala, Python

Remote work, Ukraine · $6500 · More than 10 years of experience · Advanced/Fluent

Most recent experience is building very complex React/Redux/React-Native/TypeScript applications for video content delivery on low powered devices, gambling, publishing, and service industries. Before that, Python and Angular web-application and Node.js with NoSQL RESTFull API back-end development for a major global telecom supplier. Earlier — mostly C/C++ development in various companies (financial, telecom, media) all over the Europe.

C++, C/C++, CI, JavaScript, Python, React, React Native, Redux, REST API, Test driven development (TDD), TypeScript, Web Development, Elm, Scala

Got things done using various technologies in various industries across Europe since 2001.

I am looking for a challenging project where I can learn something new, either in computer science or business. I would prefer one of the following (in non-random order): Scala/Play/ScalaJS/Elm, React/Angular/TypeScript/Node client- and server-side, anything that requires C or C++.


15 June

Разработчик Scala 🔥 

Kyiv · $5500 · 6 years of experience · Advanced/Fluent

- Scala - Java - Bunch of less popular languages to a lesser degree - Linux - Redis - Cassandra - Clickhouse - MySQL - Neo4j - Docker - MongoDB - Akka ecosystem (Actors, HTTP, Streams etc) - Apache Spark - AWS (S3, SES etc) - Telecom [messaging] protocols - FP in Scala - Buzzwords FP in Scala. Junior mentoring. No Spring/JavaEE experience. Experience in migration of Java projects to Scala. Simple, effective solutions.

neo4j, Java, Scala, bash, ElasticSearch, Linux, Cassandra, docker, MongoDB, Redis, ClickHouse, Git, Kafka, SQL, Python, Akka, Spark

- Bachelor's degree from NTUU 'KPI' (http://ipt.kpi.ua/) (cryptography) - commits to open-source projects - several successful projects in production - led transitions from Java to Scala for several projects - leading & mentoring teams

++: - product company - modern technologies applied to challenging tasks - back-end development - enthusiastic teammates +/-: - floating workday (come early - leave early, come later - leave later) or remote --: - outsourcing - legacy solutions which you won't consider upgrading/refactoring/etc.


13 June

Senior Scala software engineer 🔥

Kyiv · $5000 · 4 years of experience · Upper Intermediate

LOOKING ONLY FOR PRODUCT COMPANIES (NO OUTSOURCE OR OUTSTAFF) Software engineer with a pragmatic mindset. 4 years of commercial experience with Scala. Able to work independently as well as part of a team. Experienced with the data-intensive application. Have managing experience, gave teamwise lectures, conducted interviews.

Scala, Akka, Concurrency, Flink, Functional programming, Kafka, MongoDB, Apache Storm, Cassandra, Docker, MySQL, RabbitMQ, Redis

Developed system architecture from scratch. Reduced streaming system latency from 2 sec to 0.5 sec. Build performance testing infrastructure. Redesigned NoSQL database schema, migrated huge chunk of data transparently for users. Wrote DSL for Kafka for QA team. Improved system stability.

Result-oriented and people-oriented management. Open-minded team. I want to clearly see my role in bringing value to the company, product. Flexible working schedule. Ability to work not only from the office.


12 June

Senior Big Data engineer

Kharkiv · $4500 · 3 years of experience · Advanced/Fluent

Business logic implementation and REST API development on Java IoT project; Business logic and REST/SOAP integrations development on Java/Hybris e-commerce project; Spark jobs development on Scala/AWS big data project; Backend tech lead in startup (Scala); Data lake development on Java/GCP big data project; Used technologies: Scala, Spark Java Core(Oracle Certified Professional, Java SE8 Programmer); Java EE; Java Servlet API, JSP; Spring Framework(Spring Data, Spring MVC, Spring REST, Spring Security); Play 2; Akka, Akka Http; JDBC, JPA, Hibernate, Slick; RDBMS: PostgreSQL, SQL Server, SQLite; NoSQL: Cassandra, Realm(for Android); Amazon Web Services (AWS Java SDK, Amazon S3); Google Cloud Platform(Big Query, Dataflow, GCS, Firestore, Pub/Sub, Bigtable, Stackdriver); Google Drive API; Also: Android SDK; Some experience with frontend (markup, Bootstrap lib, JQuery, AngularJS); Unit testing(JUnit); Maven, Gradle, Ant, sbt; Terraform; Version control systems: Git

Jira, Agile, Java, OOP, Spring, JUnit, Multithreading, Scala, Scrum, XML, AWS, JDBC, PostgreSQL, Spark, Android, Android SDK, Gradle, SQLite, Python, MongoDB, Akka, Kafka, Maven, REST API, Cassandra, SQL

Experience with Scala, Spark, AWS and GCP-based big data infrastructure; Java-based e-commerce solutions; Java-based IoT solutions.

Scala/Big Data projects are highly preferable. NO - legacy/support.


12 June

Разработчик Scala

Remote work, Ukraine · $6000 · 5 years of experience · 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.


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