Candidates 29
$6500 / mo
≈ $78000 / year net
Senior Software Engineer
Poland · 7 years of experience · Upper-Intermediate ·Published 22 April
Poland · 7 years of experience · Upper-Intermediate ·Published 22 April
- Requirements gathering and analysis, documents creation;
- Providing estimations for software features implementation;
- Web application development;
- Modules development;
- Development of Web UI;
- Database design;
- Writing unit and integration tests;
- Performance test delivery
- Software integration;
- Making recommendations for improvement;
- Communication with the project stakeholders;
- Troubleshooting, profiling, performance tuning.
- Making architecture improvements
$5500 / mo
≈ $66000 / year net
Senior Java Developer
Ukraine · 6 years of experience · Upper-Intermediate ·Published 22 April · In passive search
Ukraine · 6 years of experience · Upper-Intermediate ·Published 22 April · In passive search
Developing of business rules processors
Refactoring and improving performance of existed services
Developing of binary files parsers
Data analysis using a BigQuery
Working with Big Data using batch and stream GCP Dataflow Job pipelines
Working with sym/asym/envelope encryption
Data processing using SpEL
Technologies:
GCP: Storage, BigQuery, BigTable, GCP DataFlow Jos, Log Viewer, GCP PubSub
Spring Boot, Java 8, Maven, JUnit, Mockito, PowerMockito, Lombok
Roles: Seniour Java Dev, Tech Lead
Previous projects:
AWS: S3, EC2, SQS, EMR, DynamoDB, AuroraDB, CloudFormation, Lambda
Microservices: Spring Cloud, Kubernetes
Java8, JUnit, Mockito, Cucumber, Spring Boot, RabblitMQ, Eureka, Hystrix, Ribbon, Zipkin, SNS, SQS, StepFunction, JMeter
DB: Redis, H2, MySQL, Postgres, Vertica, Cassandra, MongoDB, AWS RDS, GCP BigQuery, GCP BigTable
2020-AWS Certified Solutions Architect – Associate
2018-Oracle certificate Java SE 8 Programmer I | 1Z0-808
2018-Oracle certificate Java SE 8 Programmer II | 1Z0-809
$7000 / mo
≈ $84000 / year net
Senior FullStack Java/React Engineer
Ukraine · Kharkiv · 8 years of experience · Advanced/Fluent ·Published 15 April
Ukraine · Kharkiv · 8 years of experience · Advanced/Fluent ·Published 15 April
Some tasks I've implemented:
Designed security model;
Detecting system's and design issues
Setting up tracing with Zipkin and Jaeger;
Configuring Sonar, Checkstyler;
Refactoring services and improving stability;
Setting up logging environment for services, configuring Kibana. Designed and implemented custom Сassandra versioning (tables, indexes);
Configuring Solr indexes;
Implementing Spark processing jobs;
Implemented Kafka listeners and publishers;
Creating REST endpoints;
Implementing request processing mechanism using Spring WebFlux;
Created Cucumber test suit to test application as a BB (blackbox);
Setup integration with LauchDarkly (feature flag service);
Added audit log for app event;
Created Splunk dashboard to monitor application logs;
Created Datadog and SignalFX dashboard panels to monitor application metrics;
Config AWS SQS, DLQ and scheduler for manual DLQ reading;
Configured Circuit Breaker (Hystrix) for outgoing requests;
Configuring retry for external requests;
Current project is a great playground where I can implement almost all my ideas. Sometimes it includes architecture design and analysis. For example:
- Designed and implemented OAuth 2.0 security for Project
- Set up Logging infrastructure.
- Set up Metrics infrastructure.
- Set up Fault tolerance.
- Set up Sonar, Checkstyler.
- Implements DB versioning (Liquibase)
Last year I Spent on teaching students in Hillel IT school.
Course name was - Enterprise Java
$5000 / mo
≈ $60000 / year net
Middle Java developer
Ukraine · Kharkiv · 3 years of experience · Intermediate ·Published 15 April
Ukraine · Kharkiv · 3 years of experience · Intermediate ·Published 15 April
$4000 / mo
≈ $48000 / year net
Full-Stack Java Software Engineer
Ukraine · Kharkiv · 3 years of experience · Upper-Intermediate ·Published 11 April
Ukraine · Kharkiv · 3 years of experience · Upper-Intermediate ·Published 11 April
$7000 / mo
≈ $84000 / year net
Java Developer
Ukraine · Kharkiv · 9 years of experience · Upper-Intermediate ·Published 11 April · In passive search
Ukraine · Kharkiv · 9 years of experience · Upper-Intermediate ·Published 11 April · In passive search
spring (mvc, data jpa, boot ), hibernate,
mysql, liquibase, mongodb
$5000 / mo
≈ $60000 / year net
Java Developer
Ukraine · 6 years of experience · Upper-Intermediate ·Published 11 April
Ukraine · 6 years of experience · Upper-Intermediate ·Published 11 April
Now I work on internal project. This project can import data from 3-rd party data service. It can do a lot of reports. It allows to manage company security data.
$7000 / mo
≈ $84000 / year net
Senior/Lead Software Engineer
Ukraine · 6 years of experience · Upper-Intermediate ·Published 8 April · In passive search
Ukraine · 6 years of experience · Upper-Intermediate ·Published 8 April · In passive search
I am super agile in terms of working location meaning I'm ready to relocate both within Ukraine and abroad. Adaptable and always up for a challenge, I am not limited to specific tools and remain open to embracing new opportunities.
My primary expertise lies in Java Backend Engineering, and I am well-versed in using Java, Spring Boot, PostgreSQL, Hibernate, and AWS. However, my skill set extends to various other languages, technologies, frameworks, and libraries.
- overall work experience of over 6 years;
- worked in different domains including Banking, Finance Services, Insurance, IoT, etc.;
- conducted technical interviews for Junior and Mid-level candidates;
- actively mentored and guided colleagues, shared my expertise, and fostered their professional growth;
- owned big features that were successfully implemented and delivered;
- optimized database and SQL queries to make a high-loaded API 3-5x times faster;
- selected cutting-edge technologies and tools to drive project success;
- set up load testing process. Created an application for performing load testing of a bunch of customer applications;
- increased reliability of the system by discovering and fixing race condition problems and OOM errors;
- successfully migrated plenty of European bank systems to the new authentication and authorization process to satisfy new requirements established by the European Parliament;
- conducted application demos, showcasing the functionality of our software solutions to stakeholders (recorded presentations and user guides).
$6500 / mo
≈ $78000 / year net
Java Team/Tech Lead
Ukraine · Kharkiv · 8 years of experience · Upper-Intermediate ·Published 6 April
Ukraine · Kharkiv · 8 years of experience · Upper-Intermediate ·Published 6 April
Leading of a team with 10+ devs, QA
Creation of architectural and engineering solutions based on
business requirements
Communication with stakeholders.
Writing clean code, performing pull request review for colleagues
Creating design for REST API, new microservices and its
interactions
Worked with Java11-18, with various technologies including
Spring, Spring MVC, Maven, Gradle, Hibernate, JDBC, RESTful
web services. Using Groovy, Spock for testing
Postman, IDEA, Jenkins, Checkstyle, SonarQube, Git, Swagger
Worked with Postgres and MySQL.
Market leader in digital commerce for travel retail. - May 2016 - July 2019
Responsible for design, development and maintaining of several
separated travel domain systems
Working for 3+ customers and 2 teams across the project related
to managing an account of airline’s customers, and in a team to
support discount and loyalty systems for the airlines
Improved performance in the project upgrading SQL queries and
refactoring code with deleting an unnecessary layer
The initiator of improving code quality using SonarQube, code
refactoring, upgrading service using newer technologies
For the last 5 month running a team of fve developers, take part
in estimations and design creation for the solution
Participated in the review of the colleague’s code, mentoring for
newbie team members
Agile teamwork using JIRA and Scrum ceremonies
Worked with Java 8, with various technologies including EJB,
Spring, Spring MVC, Maven, Gradle, Hibernate, JDBC, RESTful and
SOAP web services. Using Groovy, Spock for testing, Jboss,
Tomcat
SoapUI, Postman, Altova, IDEA, WinSCP, Jenkins, Checkstyle,
SonarQube, Git, Scram, Kanban, Confuence, Bitbucket, Excel,
XML, Swagger
Worked with Oracle and MongoDB.
Internal IT - company project. - September 2015 - May 2016
Designed, developed and maintained a system to analyze data
from social networks
Pull request review, taking part in business requirements
creation
Worked with Hadoop big data (MapReduce, HDFS, HBase, Hive,
Pig)
Java, PostgreSQL, HTML5, JS, Ajax, Spring
IntelliJ IDEA, SonarQube.
2. Over 20 Java interviews, 10+ technical lectures.
3. Revamping several projects with high standards and clean
code patterns, resulting in significant improvements to application quality.
$5000 / mo
≈ $60000 / year net
Java Senior Developer
Ukraine · 6 years of experience · Upper-Intermediate ·Published 3 April
Ukraine · 6 years of experience · Upper-Intermediate ·Published 3 April
Position: Senior Software engineer/Tech Lead
Description: Maintaining and improvement of v2 of the existing application, migrating legacy users, and improving performance.
Responsibilities:
Meeting with customer officials to discuss software project improvement and development.
Designing new features or improvements for the website and application.
Distribution of tasks between developers such as coding, testing, debugging, and analytics.
Writing advanced programming code.
Reviewing updated software systems.
Managing project timelines and tasks.
Writing development reports.
Technologies: Java 11 (8), Spring Boot, AWS, Redis, Rabbit MQ, Docker, Angular 8+, Maven, Testcontainers, Git, etc