today

Java Developer

Kyiv, Kharkiv, Dnipro, Odesa · $1500 · 2 years of experience · Pre-Intermediate

I have 2+ years of commercial experience as a software developer. I have experience with high-load projects on microservice architecture. I am worked in teams on Agile methodologies: Scrum, Kanban.

Java, Spring, Frameworks: Spring Boot, SQL, NoSQL, MySQL, PostgreSQL, MSSQL, Redis, JMS, RabbitMQ, Kafka, Docker, Kubernetes, ELK, Microservices, JUnit, Hibernate


today

Java Developer

Kyiv · $1700 · 2 years of experience · Upper Intermediate

- Java EE, Spring Boot, JPA, REST API, Hibernate - MySQL, Oracle DB, MongoDB, PostgreSQL; - JS - С/С++, Qt, Python - OS Windows administrator and Linux power user. - Working closely with Git, Jira

MySQL, Hibernate, Java, REST API, Spring, JavaScript, Spring MVC, Spring Data JPA, PostgreSQL, Git, JSON, Lombok, Spring Boot, Oracle DB, Mongo, ElasticSearch, Jira, Linux, SQL, Maven, JPA, IoT, Design Patterns

Щонайперше: опис вакансії відповідає дійсності. Активна участь в розробці проекту, принаймні після випробувального терміну, якщо такий існує.


yesterday

Senior Big Data Software Engineer

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

Interested in distributed data processing, functional programming. Love Spark, have good knowledge of MapReduce paradigm and Hadoop ecosystem. Have experience in ad tech (RTB), FinTech, IoT domains. Skills: - Java 8, Scala - Spark (Core, SQL, Streaming), Hadoop (HDFS, MapReduce), Hive, Presto - AWS (EC2, S3, IAM, VPC, SNS/SQS, Cloudformation) - DBMS: • SQL (MySQL, PostgreSQL) • NoSQL (Cassandra, Druid, Redis) - Apache Kafka - Apache Airflow, - RESTful Web Service (Spring MVC, Vert.x) - Java tools for testing, logging, building (JUnit, TestNG, Mockito, log4j2, Maven) - VCS (git) - Docker, docker-compose - Continuous Integration (CircleCI, Jenkins)

Spark, Cassandra, Git, Linux, Kafka, Hadoop, Java, Airflow, Presto, AWS

I've built streaming processing pipeline for IoT data MapReduce jobs to Spark migration (100 terabytes/day), Was working onsite in the The USA/Berlin for several month

Building batch processing pipelines for terabytes/petabytes of data using Scala


yesterday

DevOps engineer

Kyiv · $3500 · 4 years of experience · Upper Intermediate

03.2017 – current Solution Developer, LS24, Kharkov, Ukraine • Front-end, Back-end Development, Linux cluster administration, monitoring, incident resolving, DevOps • High-Load, High-Availability for live video streaming (hls) system running on CentOS Linux • 200+ Gbps, >200 linux machines, 100K+ simultanious TV watchers • Technologies used: Java SE 8(spring framework, spring boot, spring data, spring data rest, hibernate, vertx), nodejs, Ruby, Python, Perl, Bash scripting, html, css, javascript, angularjs, MySQL, Redis, CenOS linux, zabbix, git. 09.2013 – current Freelance Developer, Linux Administrator, Carum GmbH, Zürich, Switzerland Web development, Linux administration Technologies used: PHP, nodejs, MySQL, html, css, javascript, linux, git 03.2013 – 09.2013 T1 Software Engineer(Java), Grid Dynamics, Kharkov, Ukraine • Back-end development (Macys.com) • Technologies used: Java SE 6, Spring, Spring MVC(JAX-RS), JUnit, Mockito, Oracle Coherence, Apache Cassandra, MySQL, DB2, Tomcat, Maven, HTML, CSS, XML, JSON, JIRA, Nexus, GoGrid.

Java Core, Java SE, C/C++, Git, Linux, PHP, Spring MVC, bash, CentOS, HTML5, Jira, MySQL, NodeJS, Perl, PostgreSQL, Spring, Spring Boot, Spring Data, Spring Data REST, SVN, Ubuntu, Vertx, Angular.js, CSS, HTML, Java EE, JavaScript, Oracle, SCSS, Hibernate, IDEA, LESS, Python

I have developed big live video streaming system(architecture + implementation) using a bunch of different technologies. The system successfully serve 200+ Gbps live traffic and petabytes of traffic per month.

Challenging tasks. Long running project.


yesterday

Team Lead/Middle Java Backend Developer 

Kyiv · $3500 · 6 years of experience · Upper Intermediate

Java, Spring, Hibernate, Oracle, SQL, Git, MS SQL Server, Vertx, Linux, IntelliJ IDEA, Spring, JUnit, Mockito, TypeScript, JavaScript

AJAX, Git, IntelliJ IDEA, Java, Jira, JUnit, Maven, OOP, PostgreSQL, REST API, Vertx, MS SQL Server, Spring, Spring Boot, Spring MVC, SQL, Hibernate, Linux

I have been working on code review, code refactoring, code testing, bug fixing, writing new functionality, building architectural solutions. I took a part in projects related to health and bank insureance, building microservices, real-time web application, new internet technologies. Last project was related to bank risk management system.

Java 8. I would like to extend my soft skills, because my goal to go to management, that’s why I want to gain management skills. I'd like to work with English speaking client to have a practice as frequently as possible. I wouldn’t work with front end tasks, only back end. Ready to consider positions with management functions.


yesterday

Java Developer

Lviv · $3200 · 2 years of experience · Upper Intermediate

Java Developer with 2+ years of experience. Worked only with biggest UK/US customers. Experienced in full back-end software life-cycle: from scratch to deploy. Interested in DevOps stack

Java, Spring, Hibernate, Maven, Git, SQL, JUnit, REST API, JPA, JSON, OOP, Design Patterns, Docker, REST, JDBC, Linux, Jira, Microservices, Mockito, CSS, Jenkins, IntelliJ IDEA, GIT, MongoDB, Kafka Streams, NoSQL, ElasticSearch, MySQL, Spring IoC, Tomcat, XML, HTML, Kafka, PostgreSQL, Spring Boot, Gradle, Spring Data, Java 8, Unit Testing

I have a lot of personal projects: some AI, Instagram-Bot, etc. Have experience with configuring CI/CD, Docker and Kubernetes. Now I'm in TOP 5% (Lviv, Java) according to CodersRank :)

Business trips, interesting tasks, newest technologies, career growth. Not interested in legacy code.


yesterday

Senior Java Developer 

Kyiv · $6000 · 8 years of experience · Upper Intermediate

I am a Enterprise software engineer who is passionate about application performance and code clarity. Started IT-life from a QA engineer, came through with perseverance from a mobile development lead to a search engine tech lead. Despite the successful experience in team management and mentoring positions, I am focused on high-volume, virtualized, heavy load enterprise systems where I can apply algorithmic and mathematical best practices.

Spring, Java, SQL, JUnit, OOP, REST API, JDBC, Spring Core, JAX-RS, Java SE, Gradle, Frameworks: Spring Boot, Spring Security, Docker, Design Patterns, PostgreSQL, Linux, Spring Boot, Microservices, Monitoring, Spring DI, Redis, Swagger, Liquibase

1. Extracted scalable authorization microservice from a monolith legacy project, switching the authorization flow to OAuth 2.0. 2. Prototyped polyglot testing framework for behaviour end-to-end testing of distributed ETL applications backed by dynamically provisioned docker environment. 3. Implemented in-memory caching of the complex tree-structured data, which reduced service response time by almost 70%.


yesterday

Java Developer

Odesa · $4000 · 8 years of experience · Upper Intermediate

Java Lecturer FEBRUARY 2019 - PRESENT Prepare learning material of the Java Course for Teens. Сonduct lectures and do code review home tasks. Microservices Stack — Software Engineer JANUARY 2018 - PRESENT Design and develop microservice architecture projects. Such as CQRS based microservice, Kafka streams microservices. Take part in developing the microservice platform. Such as Error Handling for Kafka Streams Application. Develop integration modules between Monolith Application and Microservices. Setup and deploy microservice environments. Microservices / Kafka monitoring and troubleshooting. Use technologies: Java, Spring Framework, Kafka, Kafka Streams API, Groovy, Avro, GraphQL, Gradle, Sonarqube, JUnit, Mockito React, Redux Docker, Kubernetes, Grafana, Jaeger, Jenkins, Elasticsearch, Kibana Enterprise Application — Software Engineer FEBRUARY 2015 - JANUARY 2018 Designed and developed business features in the Management Application. Supported and refactored the codebase, implemented performance optimisations for the Application. Used technologies: Java, Spring Framework, Hibernate, JUnit, AspectJ, JMS, Maven, SQL Weblogic, Oracle, Javamelody, Flex, PureMvc Enterprise Application — Java Developer MARCH 2014 - FEBRUARY 2015 Developed Java Web Application for VoIP Solution, java console utilities. Used technologies: Java, Spring Framework, JPA, PostgreSQL, XML, Javascript, LDAP, UNIX Web Developer MARCH 2012 - MARCH 2014 Developed web applications, simple browser games, Cordova android applications Used technologies: PHP, Codeigniter, Node js, Cordova, JavaScript, CSS, HTML

Java, OOP, Design Patterns, Maven, PostgreSQL, SQL, Scrum, Spring, JUnit, Groovy, JS, Hibernate, Kafka Streams, Gradle, DDD, CQRS, Event Sourcing , Oracle, MySQL, React, Redux, Docker, Kubernetes, Grafana, Kibana, Jenkins, Kanban, Git, Microservices, Apache Avro, REST

Overall 8 years of work experience in Software Engineering. Proven skills for effective cross-team communication and collaboration, ability to troubleshoot and solve complex issues, meticulous attention to details, wide experience in effective knowledge transfer across distributed teams, highly motivated to learn new up-to-date technologies.


yesterday

Senior Java Developer 🔥 

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

Have over 6 years of experience in IT and 6 projects in background: 2 years/3 projects as software developer and 4 years and 3 projects as SDET/test automation Did set up of environments, CI, sonarqube, etc.. from scaratch last projects stacks: - (current) AWS lambdas on Java with AWS services like Cloudwatch. SQS, SNS, Dynamo, etc... - spring boot stack + mongoDB reactive - spring boot microsevices + dynamoDB/MySQL

Java, Spring, Jenkins, Git, MongoDB, REST API, Maven, Gradle, AWS Lambda, AWS, Spring Boot, Microservices, Linux, Docker

Looking for Spring/Spring Boot + AWS or Spring cloud stack


yesterday

Senior Software Developer

Kyiv, Vinnitsia · $4300 · 10 years of experience · Upper Intermediate

Java, Groovy, Python, Javascript/Typescript Spring, Hibernate, Spring Batch, Grails Git, Maven Docker, Tomcat MySQL AWS (EC2, Lambda, API Gateway, RDS, S3), Terraform REST NoSQL (Redis, OrientDB, Neo4j) JUnit, Mockito, Spock Spark MLib Machine Learning

JUnit, Mockito, XML, Design Patterns, Grails, Java, JDBC, JSON, MVC, MySQL, OOP, REST, Spring, AJAX, Git, Hibernate, Maven, Multithreading, Tomcat, docker, OrientDB, Redis, Machine Learning, NLP, Python, Spark, neo4j, TypeScript, Angular, AWS, PostgreSQL

10 years of implementing small and large data-driven applications - most of them are ETL processing and Data Processing. Machine learning experience.

Agile methodology, impactful projects, big data, science, data mining. Ready only for REMOTE or SEMI-REMOTE work (~2 days per week from home).


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