Ovidiu is available for hire

Ovidiu Anca

Verified Expert in Engineering

Full-stack Developer

Cluj-Napoca, Cluj County, Romania

Toptal member since April 29, 2020

Expertise

API Web Development Back-end Developers Full-stack Git SQL Ruby Ruby on Rails PostgreSQL MySQL Redis HTML5 Agile Development Auth0

Bio

Ovi is a full-stack developer specializing in projects primarily using Ruby on Rails and React. He brings over nine years of experience building various web applications and working with Agile methodologies to the table. Along with a passion for robust software architecture, Ovi builds systems with scaling in mind, implements code best practices, is mindful of time management, and makes careful estimations.

Portfolio

Freelance

Ruby, Ruby on Rails 7, Redis, Sidekiq, Distributed Systems, Heroku, Google APIs...

BOXT

Ruby, Ruby on Rails 7, CI/CD Pipelines, Grape, SQL, API Integration...

BPP

Ruby on Rails (RoR), RSpec, PostgreSQL, Elasticsearch, Sidekiq, Monitoring...

Experience

Ruby - 9 years
Ruby on Rails (RoR) - 9 years
APIs - 9 years
PostgreSQL - 9 years
RSpec - 8 years
Elasticsearch - 5 years
Amazon Web Services (AWS) - 5 years
Docker - 3 years

Availability

Full-time

Preferred Environment

Trello, Skype, Slack, GitHub, Visual Studio Code (VS Code), MacOS, TypeScript, Ruby

The most amazing...

...thing I've built is a back-end application for managing daily notifications. It was for a top iOS app with more than 100,000 active users worldwide.

Work Experience

Senior Ruby Developer

2023 - PRESENT

Freelance

Achieved 99.99% uptime on the most critical part of the application by strategic isolation and distributed systems.
Improved the loading time of the most visited page tenfold through SQL optimization.
Monitored the reliability of the ecosystem of applications and services.
Gathered business requirements and translated them into technical requirements.
Built integrations with Google Analytics and YouTube.

Technologies: Ruby, Ruby on Rails 7, Redis, Sidekiq, Distributed Systems, Heroku, Google APIs, Google API, SQL, API Integration, API Development, X (formerly Twitter) API, Full-stack Development, CTO, Next.js, Apache Kafka, E2E Testing

Senior Ruby Developer (Contractor)

2021 - 2022

BOXT

Increased sales by implementing a referral program into the system.
Developed solutions using the latest Ruby on Rails standards and best practices.
Helped set up and maintain a development style and convention throughout the team.
Held presentations on tech performance and best practices.

Technologies: Ruby, Ruby on Rails 7, CI/CD Pipelines, Grape, SQL, API Integration, API Development, Tailwind CSS, Redis, E2E Testing

Senior Ruby Developer (Contractor)

2021 - 2021

BPP

Developed a secure payment solution for an eCommerce journey.
Monitored operations and infrastructure to improve application performance.
Developed an alternative, secure, self-hosted payment solution.

Technologies: Ruby on Rails (RoR), RSpec, PostgreSQL, Elasticsearch, Sidekiq, Monitoring, Payment APIs, Adyen Payments, Git, Agile Software Development, Continuous Delivery (CD), Back-end, Distributed Systems, CI/CD Pipelines, API Integration, API Development, Full-stack Development, Tailwind CSS, Redis, E2E Testing

Senior Ruby Developer

2020 - 2021

Reditus

Launched an affiliate marketing platform that tracks partner performance for SaaS businesses.
Built a small team to continue the development process and achieve goals.
Developed a tool that allows customers to track their traffic/revenue.
Constructed a dashboard with complex data using advanced SQL techniques.
Leveraged background processing for the heavy lifting tasks.
Built a Stripe Integration using their webhooks to track/manage customer payments and activity better.
Created a linear development process using different environments and CI/CD.
Analyzed and fixed errors and performance issues using monitoring/logging third-party software.

Technologies: Ruby on Rails (RoR), JavaScript, Tracking, RSpec, jQuery, React, Heroku, Stripe, Stripe API, Stripe Connect API, Sidekiq, Mailchimp, Monitoring, Webpack, PostgreSQL, SQL, Git, Agile Software Development, Continuous Delivery (CD), CSS3, Sass, Back-end, GitLab, Distributed Systems, Event-driven Design (EDD), CI/CD Pipelines, Google APIs, Google API, API Integration, API Development, Full-stack Development, Tailwind CSS, Redis, E2E Testing

Full-stack Developer

2020 - 2020

Freelance

Designed and developed a REST API used to support listings management for a platform in the real estate industry.
Containerized the back-end infrastructure to allow new developers to have a quicker onboarding process and better manage dependencies from development to production.
Created efficient processes to achieve results from operations with massive amounts of data.
Improved memory management by leveraging Sidekiq's background processing.
Introduced tools and systems to gradually change and maintain high-quality code standards.

Technologies: PostgreSQL, Redis, Sidekiq, Docker, Elasticsearch, JavaScript, Ruby on Rails (RoR), Ruby, Amazon EC2, Unit Testing, GraphQL, REST APIs, NoSQL, APIs, Stripe API, Payment APIs, Git, Continuous Delivery (CD), Back-end, DigitalOcean, CI/CD Pipelines, SQL, API Development, Full-stack Development, Next.js, Tailwind CSS, Grape, E2E Testing

Full-stack Developer

2019 - 2020

BuildEmpire

Developed an educational app that helps students learn more efficiently by leveraging technology.
Monitored traffic and performance and adjusted the system accordingly to be used by more than one million users.
Developed thoroughly tested features and fixed bugs in an agile way while fully working remotely.
Optimized database operations and infrastructure to achieve the best performance.
Kept code quality at high standards as a priority going forward by using appropriate tools and systems.

Technologies: CSS, HTML, Vagrant, Docker, Auth0, Redis, Sidekiq, MySQL, JavaScript, Ruby on Rails (RoR), Ruby, Unit Testing, Ruby on Rails 5, REST APIs, NoSQL, APIs, Payment APIs, Git, Agile Software Development, Continuous Delivery (CD), CSS3, Sass, Back-end, REST, CI/CD Pipelines, SQL, API Integration, API Development, Full-stack Development, Next.js, Tailwind CSS, E2E Testing

Ruby Developer | Co-founder

2016 - 2020

WeatherKit

Designed and developed a JSON API for a weather forecast application.
Deployed and maintained the infrastructure on Heroku and some of its core plugins.
Provided solutions to efficiently notify users around the globe in all time zones.
Wrote documentation and specs for the mobile consumer team.

Technologies: OneSignal, Background Jobs, API Design, PostgreSQL, JavaScript, Heroku, Ruby on Rails (RoR), Ruby, Unit Testing, Ruby on Rails 5, REST APIs, APIs, Git, Agile Software Development, Continuous Delivery (CD), Back-end, CI/CD Pipelines, API Development, Full-stack Development, Redis

Full-stack Developer

2018 - 2019

Cognizant Softvision

Developed tests that covered features, reviewed code, and fixed bugs in an agile way.
Migrated some services from Rails 3 to Rails 5, covering some security vulnerabilities and adding new features.
Optimized and monitored operations and infrastructure to improve application performance.
Wrote unit and integration tests to cover the application.
Reviewed and helped other developers from time to time.

Technologies: Amazon Web Services (AWS), Docker, Linux, Capistrano, Shopify, PostgreSQL, jQuery, RSpec, JavaScript, Ruby on Rails (RoR), Ruby, Unit Testing, Ruby on Rails 5, REST APIs, APIs, HTML5, Git, Agile Software Development, Continuous Delivery (CD), CSS3, Sass, Back-end, GraphQL, SQL, API Integration, API Development, Full-stack Development, Redis, Google Cloud Platform (GCP), Bootstrap 5, E2E Testing

React Developer

2018 - 2018

Freelance

Developed and designed an ICO listing platform, offering users the ability to buy cryptocurrencies.
Led the design and development of the front-end application, architecture, dependency management, and CI/CD.
Created automated processes for continuous delivery and deployment to allow easier contributions for the entire team, using GitLab CI and AWS.
Organized sprints and integrations with the team to meet expected deadlines and follow given estimations.

Technologies: Amazon Web Services (AWS), Webpack, Node.js, GitLab, Amazon S3 (AWS S3), SCSS, HTML, Redux, React, JavaScript, Git, Agile Software Development, Continuous Delivery (CD), API Development, Full-stack Development, Bootstrap 5

Ruby Developer

2017 - 2018

PitechPlus

Designed, developed, and refactored test-covered features for web applications in various business domains.
Consulted with clients consistently to fully understand their needs throughout the entire development process.
Gained a lot of experience from writing unit and integration tests for various web projects.
Added tests and refactored a vast legacy application, which was a pain to work with, and prepared it for future continuous development.

Technologies: Amazon Web Services (AWS), Ansible, Capistrano, Sidekiq, Redis, RSpec, SQL, React, JavaScript, Ruby on Rails (RoR), Ruby, Git, Agile Software Development, Continuous Delivery (CD), Sass, Back-end, GraphQL, XHTML, API Development, PHP, Full-stack Development, Node.js, Bootstrap 5, E2E Testing

Ruby on Rails Developer

2017 - 2017

PropertyClub

Improved the performance of SQL queries and leveraged caching techniques to achieve efficient operations.
Extended the back office with an efficient report dashboard with detailed aggregated data.
Designed and extended a REST JSON API and refactored code to keep code quality at high standards.
Gained experience with Elasticsearch from various fancy searching requirements.

Technologies: Elasticsearch, PostgreSQL, jQuery, JavaScript, Ruby on Rails (RoR), Ruby, Git, Continuous Delivery (CD), Bootstrap 5, AngularJS

Full-stack Developer

2017 - 2017

Freelance

Developed test-covered features for an employee management application in the event planning industry.
Improved and automated as much as possible the business operations to help employees better organize their work for their scheduled events.
Continuously consulted with the client to efficiently fulfill business needs.

Technologies: Sidekiq, Bootstrap, Mailchimp, PostgreSQL, SCSS, HTML, jQuery, JavaScript, Heroku, Ruby on Rails (RoR), Ruby, Git, Continuous Delivery (CD), Full-stack Development, AngularJS

C++ Developer

2016 - 2016

Kuende

Developed a cross-platform application in the social media industry to change how users interact with mobile applications using unique approaches.
Implemented cross-platform UI components while having performance and user experience as the main goals.
Created efficient processes to allow a different kind of user navigation and interaction with a mobile application.

Technologies: Model View ViewModel (MVVM), JavaScript, C, Git, Agile Software Development, Continuous Delivery (CD)

Experience

WeatherKit

https://weatherkit.org/

A weather reporting application focused on simplicity and precision.

As the back-end developer and one of the initial members, my job was to develop and design a fast API for the product, fulfilling large amounts of traffic coming from the iOS and Android applications. One of the unique features this product brings is the Rain Alert: a notification system that lets people know when to carry an umbrella.

Rails Girls Mentorship

http://railsgirls.com/cluj.html

I helped less-experienced women understand technology by offering a community and the necessary tools while simultaneously making it more approachable and understandable. It contained two days of activities where we taught students the main web development fundamentals and helped them build their first website from scratch.

Internship Application Management Tool

Launched a platform that helps a company manage its internship applications and gives it highlights about them. There was an exclusive focus on the recruiter side, making the process as easy as possible for them to maintain contact with the candidate.

Education

2015 - 2018

Bachelor's Degree in Computer Science

Babes-Bolyai University - Cluj-Napoca, Romania

Certifications

AUGUST 2022 - AUGUST 2025

AWS Certified Cloud Practitioner

AWS

OCTOBER 2021 - PRESENT

Complete Guide to Elasticsearch

Udemy

AUGUST 2020 - PRESENT

SQL Habit Certification

SQL Habit

JUNE 2015 - PRESENT

Certified C Developer

ACADEMY+PLUS

Skills

Libraries/APIs

React, Sidekiq, JSON API, REST APIs, API Development, jQuery, ImageMagick, Node.js, Shopify API, Paperclip, Stripe API, Google APIs, Google API, Stripe, Stripe Connect API, X (formerly Twitter) API

Tools

GitLab, RSpec, Git, Capistrano, Docker Compose, Auth0, Cucumber, GitLab CI/CD, GitHub, Slack, Skype, Trello, Vagrant, Ansible, Webpack, OneSignal, Mailchimp, Adyen Payments

Languages

SQL, Ruby, JavaScript, HTML5, CSS3, Sass, GraphQL, C, Rust, XHTML, PHP, HTML, SCSS, CSS, Solidity, TypeScript, Python, Go

Frameworks

Ruby on Rails (RoR), Bootstrap, Ruby on Rails 5, Ruby on Rails 7, Grape, Tailwind CSS, Redux, React Native, Next.js, Angular, AngularJS

Paradigms

Object-oriented Programming (OOP), Unit Testing, Continuous Delivery (CD), Continuous Development (CD), Agile Software Development, REST, E2E Testing, Functional Programming, Test-driven Development (TDD), Scrum, Continuous Integration (CI), Concurrent Programming, Event-driven Design (EDD), Model View ViewModel (MVVM), DevOps

Storage

PostgreSQL, MySQL, Redis, Databases, Elasticsearch, Amazon S3 (AWS S3), NoSQL, MongoDB

Platforms

Amazon Web Services (AWS), Heroku, Shopify, Docker, Amazon EC2, Google Cloud Platform (GCP), MacOS, Visual Studio Code (VS Code), Linux, Blockchain, Ethereum, AWS Elastic Beanstalk, AWS Lambda, DigitalOcean, Apache Kafka

Other

API Design, OOP Designs, Software Engineering, APIs, Monitoring, Web Development, Back-end, CI/CD Pipelines, API Integration, Full-stack Development, Algorithms, Mentorship & Coaching, Infrastructure, Payment APIs, Distributed Systems, CTO, Bootstrap 5, Background Jobs, Smart Contracts, Decentralized Systems, Tracking, Mentorship, Amazon RDS, Scalable Architecture, RoR Gems

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