Candidates 8
$8000 / mo
≈ $96000 / year net
MySQL / Clickhouse / Database Administrator (DBA)
Ukraine · 10 years of experience · Upper-Intermediate ·Published 21 April
Ukraine · 10 years of experience · Upper-Intermediate ·Published 21 April
--- Technology stack ---
Databases:
MySQL: Percona Server / XtraDB Cluster (5.x, 8.x), MariaDB, RDS; Clickhouse (Cluster); PostgreSQL; Redis; ElasticSearch; MongoDB; Percona Toolkit
Coding Languages experience:
Python, PHP 7.x, C/C#
Hosting solutions experience:
Bare metal, AWS, GCP
Other technologies/approaches:
Linux, HAProxy, CHProxy, Percona Monitoring Management, Zookeeper, Git, ELK, Sentry, Celery/Azkaban, RabbitMQ, Jenkins, Docker, Nginx, IoT
Key features:
- managing huge databases (> 5 Tb) and huge amount of servers (> 40) simultaneously;
- automating routine processes, migrations, setting up new servers and their monitoring/alerting;
- huge experience with highload products;
- outstanding experience in MySQL queries optimization and performance analyzing;
- strong problem-solving skills;
- communicative and proactive;
--- Experience ---
-- [Product] IL --
Highload. Services with distributed infrastructure. Managing and planning infrastructure, optimizing queries and configs, planning DC migrations and scalability, new servers setup, maintaining Percona Xtradb Cluster. Using SaltStack to automate new servers setup and monitoring. Managing and maintaining Clickhouse cluster, few PostgreSQL servers. Migrating from Zookeeper to Clickhouse Keeper, planning new services etc.
-- [Product] UK --
Supporting Percona XtraDB Cluster and maintaining setup of new servers. Infrastructure planning and maintaining: DC migration (cloud to bare metal), backup strategy, config tuning, improving observability, monitoring and reacting to incidents. Migrating from MySQL 5 to MySQL 8.
-- [Product] DE --
In this role I was researching and implementing new technologies product-wide and optimizing existing. Mainly focused on database (MariaDB) optimizations.
-- [Product] IL --
Got almost 2 years experience as Solution Architect in Israeli shared-economy platform. Here I participated in all critical technical decisions, financial planning and discussions with business partners.
-- [Product] UA --
Highload. Started as developer, in short terms became team lead of production-responsible team and since then was on the edge between developers and devops team. Managing and maintaining Percona Xtradb Cluster with huge amount of nodes and RAM.
- constantly improved response time of biggest Ukrainian ecommerce platform with optimizing database queries and code;
- written a lot of automation tools for database monitoring, migrating and setting up from scratch.
$8500 / mo
≈ $102000 / year net
Data/BI Solution Architect
Ukraine · Dnipro · More than 10 years of experience · Upper-Intermediate ·Published 7 April
Ukraine · Dnipro · More than 10 years of experience · Upper-Intermediate ·Published 7 April
$1200 / mo
≈ $14400 / year net
C# developer, Data Analyst
Ukraine · Dnipro · 2 years of experience · Upper-Intermediate ·Published 5 April
Ukraine · Dnipro · 2 years of experience · Upper-Intermediate ·Published 5 April
Data analyst| HO Proliska | Ukraine | 11.2023 — 12.2023
— Worked with the reporting department and helped generate monthly, semi-annual and annual reports in Excel by type and ammount of distribution for donors;
— Checked the integrity and reliability of data on issues in the form of Excel and PDF scans, uploaded to the donor's information management server.
.NET Backend Developer | Consultlocus | Denmark | 05/2022 - 05/2023
Business Software and Consulting Company
— Engineered and debugged a CRM grid feature allowing users to create custom tables with various data types for columns. Implemented custom data types, optimizing storage and security;
— Developed and optimized WEB API authorization and user management for the CRM, enhancing secure and convenient user authentication;
— Refactored multiple modules, transferring frontend logic to the backend, improving performance across diverse hardware setups.
Junior .NET backend developer | Unitconnect | USA | 04/2021 - 04/2022
Property Management Company.
— Refactored the accounting module of a legacy project to .NET 5 Clear Architecture, enabling users to record and view transactions such as withdrawals, deposits, transfers, and expenses;
— Developed algorithms for processing transactions and automatically updating bank account balances.
Graduated with honours at Dnipro Industrial College "Automation of technical processes and computer-integrated technologies" and at NTU Dnipro Polytechnic "Computer Science";
Learning with Microsoft Gold Partner;
Successfully worked directly with western companies in distributed teams;
My main goal: to develop products with a worthy team, as well as to develop myself in this area, discover and apply new things.
$2000 / mo
≈ $24000 / year net
QA Engineer
Ukraine · Dnipro · 3 years of experience · Intermediate ·Published 1 April
Ukraine · Dnipro · 3 years of experience · Intermediate ·Published 1 April
almost 3 years. As a QC Engineer, I have worked on long-term
projects. I have carried out requirements analysis, test design,
software testing, and mentoring new team members. I have
experience in testing desktop applications, web application.
Scrum methodology. Along with manual test activities. I am open-minded, result-oriented, and selfmotivated person. I have good
soft and interpersonal skills.
$500 / mo
≈ $6000 / year net
QA Engineer
Ukraine · 6 months · Pre-Intermediate ·Published 28 March
Ukraine · 6 months · Pre-Intermediate ·Published 28 March
$1600 / mo
≈ $19200 / year net
Database developer, data engineer, data scientist.
Ukraine · Dnipro · 2.5 years of experience · Upper-Intermediate ·Published 22 March
Ukraine · Dnipro · 2.5 years of experience · Upper-Intermediate ·Published 22 March
$5000 / mo
≈ $60000 / year net
Senior .Net C# Developer
Ukraine · Dnipro · More than 10 years of experience · Upper-Intermediate ·Published 3 March · In passive search
Ukraine · Dnipro · More than 10 years of experience · Upper-Intermediate ·Published 3 March · In passive search
+ I worked as a single developer on some projects, lead developer and part of the development team in large projects.
+ I worked with different types of applications - desktop, web, mobile, games, tools, console, microservices.
Professional growth. Friendly staff. Development of new solutions.
$6500 / mo
≈ $78000 / year net
Senior Oracle DBA
Ukraine · Dnipro · More than 10 years of experience · Intermediate ·Published 27 February · In passive search
Ukraine · Dnipro · More than 10 years of experience · Intermediate ·Published 27 February · In passive search
Creating different database configuration including OLTP, DWH and other.
Backup and recovery - RMAN (full, incremental), data pump (partial logical backup), Data Guard.
Database migration and upgrade, RU, PSU, CPU, Release, TTS.
SQL Performance Tuning ASH, AWR, SQL Profile, SQL Monitor, SQL patch, analyse trace files.
Oracle Enterprise Manager grid/cloud control
Installation and support application server Oracle Weblogic, IBM WebSphere Application Server, Tomcat.
Oracle DBA - create database, backup and recovery, physical standby, cross platform migration.
Performance Tuning - AWR, ASH, sql profile, sql patch, trace.
Application servers - installation and maintenance.
Certification - OCP 12c, OCA Weblogic etc.
Real and interesting tasks that would allow me not only apply but also improve my knowledge and skills.