English:
Upper Intermediate
Oleg O.
Vetted by YouTeam
Ukraine
UTC +02:00
Ukraine/Kyiv
English:
Upper Intermediate
Senior Elixir Developer
Over 12 years of web applications development as a software developer, technical lead. Among my clients, there are software development corporations, start‑up companies, and private entrepreneurs worldwide. My responsibilities are to ensure that proper technical vision and software engineering processes are established on the project, incorporating best industry practices and resulting in high-quality deliverables.
Want to hire this engineer?
Check if Oleg is availableExpertise
Years of commercial development experience
12 years of experience
Core technologies
Other technologies
Project Highlights
Albora
Sep `20 - Dec `23
3 years
Albora has developed a high‑precision geolocation open ecosystem that delivers accurate positioning coordinates ubiquitously, especially addressing problems in challenging environments such as urban areas and industrial/infrastructure complexes.
Responsibilities & achievements
- Implement the AlbaSpot geolocation cloud‑based corrections service. - Configure AWS cloud infra using Terraform and edge Kubernetes cluster with Helm for Albaspot product.
Forza FC
Jan `20 - Aug `20
7 months
Forza FC is a young and dynamic sports marketing firm with strong roots in developing exceptional digital products
Responsibilities & achievements
- Implement the onboarding feature of new fans. - Introduce the A/B testing system for the new onboarding.
Human Agency
Jul `19 - Dec `19
5 months
At Human Agency, they are giving the power of digital advertising to the people. their job is to ensure that anyone has the tools they need to make their voice heard online.
Responsibilities & achievements
- Software Development of Forms project using TDD. - Software Development of Platforms project using TDD.
Lemonade
Oct `18 - Jul `19
9 months
Lemonade is a full-stack insurance company powered by AI and behavioral economics, and driven by social good.
Responsibilities & achievements
- Software Development of Lemonade web application; - Implementing marketing related features within Growth Team;
N-iX
May `17 - Sep `18
1 year
Healthcare software company Think Research Corporation develops knowledge‐based tools that empower clinicians to deliver the best evidence‐based care to patients, driving better patient outcomes.
Responsibilities & achievements
- Software Development of Care Portal, Virtual Care web applications; - Writing unit tests for own features (7095% coverage depending on the project); - Refactoring/Bug fixing of existing TRC applications; - Code review;
SoftServe Inc.
Aug `16 - Apr `17
8 months
Full‐time Ruby Engineer on Amorelie project. Full‐time Ruby Engineer on OneLogin project.
Responsibilities & achievements
- Developed new features and maintained existing codebase for SOA applications; Performed code reviews and provided tasks estimating; - Communicated with °H° team to reach implementation project milestones; - Delivered to production Directory Service A°I, that implements SCIM inspired users schema; - Provided new customer services synchronization mechanism (SSO, Directories integration); - Implementing integrations and support for SAML connectors; - Performed code review and estimates for project milestones.
Mesosphere, Inc
Feb `15 - Jun `15
4 months
Part‐time freelance Ruby Engineer on a project Mesosphere Accounts.
Responsibilities & achievements
- Developed OAuth 2.0 provider Application, using Rails and Doorkeeper gem; - Implemented and supported customer s features;
X2SY
Nov `13 - Jun `15
2 years
Full‐time Ruby Engineer in the R&D department.
Responsibilities & achievements
- Implemented quiz platform CMS as SaaS; - Performing quiz votes live to monitor; - Delivered to production system based on Huginn (IFTTT open‐source analog) for building agents that perform automated tasks of automation processing client emails; - Participated in the development of news aggregator and CMS. Migrated to new version with actual data transfer (1kk articles with assets)' - Solved software design tasks for Video Platform SaaS using microservices architecture; - Programmed a prototype, using Rails, Grape Frameworks, and Redis‐Postgresql‐MongoDB for ESB purposes
Svitla Systems
Jan `13 - Oct `13
9 months
Creating the API application that collects data from different data sources and bringing that to clients (websites, mobile, etc). Leading and cooperating team. Development and support of MyOffice My Ooma application that configures and controls My Ooma devices.
Responsibilities & achievements
- Designed API using Grape and Event Machine² - Dynamic re‐prioritization of cache requests executed on concurrent threads based on the most recent consumer demand using Fibers; - Improved MyOffice Backbone.js application; - Decreased page loading/data fetching time.
Notus
Jul `12 - Dec `12
5 months
Team member on internal R&D projects of online shop Notus. Project main purposes: improving online store conversion, and automation of routine tasks.
Responsibilities & achievements
-Customer relationship management system for efficient task management; - Script for scraping, parsing, processing, and saving products from different data sources; - Call Center to call conversion service.
Econet
Mar `11 - Jan `12
10 months
Front‐End and Back‐End development of ecologic Web Portal.
Responsibilities & achievements
Front‐End and Back‐End development of ecologic Web Portal.
Education
Higher education in Computer Science
Agency
50-100
GMT-11
Lviv/Ukraine, Oss/Netherlands, New York/USA
Core Expertise
Industries
Education & Science, Banking & Finance, Branding, design, web development
Want to hire this engineer?
Check if Oleg is available