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I am a Senior Software Developer with over 7 years of experience specializing in front-end development and Ruby integration for backend features. I excel at designing user interfaces, testing, debugging, and optimizing web functionalities to improve data retrieval and workflow efficiencies. Recently, I have expanded my expertise to production and delivery, ensuring robust and efficient software solutions particularly in Ruby environments. My experience spans various technologies including Ruby on Rails, JavaScript, ReactJS, JQuery, SCSS, and PostgreSQL. I am adept at collaborating with stakeholders, designers, and developers to deliver timely, high-quality projects across sectors such as finance and client services. I am passionate about leveraging clean code principles and test-driven development to build scalable, maintainable software products.…I am a Senior Software Developer with over 7 years of experience specializing in front-end development and Ruby integration for backend features. I excel at designing user interfaces, testing, debugging, and optimizing web functionalities to improve data retrieval and workflow efficiencies. Recently, I have expanded my expertise to production and delivery, ensuring robust and efficient software solutions particularly in Ruby environments. My experience spans various technologies including Ruby on Rails, JavaScript, ReactJS, JQuery, SCSS, and PostgreSQL. I am adept at collaborating with stakeholders, designers, and developers to deliver timely, high-quality projects across sectors such as finance and client services. I am passionate about leveraging clean code principles and test-driven development to build scalable, maintainable software products.

Sebastian Echegaray

Front-End Developer, Developer, Web Designer, +4

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I am a Senior Software Developer with over 7 years of experience specializing in front-end development and Ruby integration for backend features. I excel at designing user interfaces, testing, debugging, and optimizing web functionalities to improve data retrieval and workflow efficiencies. Recently, I have expanded my expertise to production and delivery, ensuring robust and efficient software solutions particularly in Ruby environments. My experience spans various technologies including Ruby on Rails, JavaScript, ReactJS, JQuery, SCSS, and PostgreSQL. I am adept at collaborating with stakeholders, designers, and developers to deliver timely, high-quality projects across sectors such as finance and client services. I am passionate about leveraging clean code principles and test-driven development to build scalable, maintainable software products.…I am a Senior Software Developer with over 7 years of experience specializing in front-end development and Ruby integration for backend features. I excel at designing user interfaces, testing, debugging, and optimizing web functionalities to improve data retrieval and workflow efficiencies. Recently, I have expanded my expertise to production and delivery, ensuring robust and efficient software solutions particularly in Ruby environments. My experience spans various technologies including Ruby on Rails, JavaScript, ReactJS, JQuery, SCSS, and PostgreSQL. I am adept at collaborating with stakeholders, designers, and developers to deliver timely, high-quality projects across sectors such as finance and client services. I am passionate about leveraging clean code principles and test-driven development to build scalable, maintainable software products.

Available to hire

I am a Senior Software Developer with over 7 years of experience specializing in front-end development and Ruby integration for backend features. I excel at designing user interfaces, testing, debugging, and optimizing web functionalities to improve data retrieval and workflow efficiencies. Recently, I have expanded my expertise to production and delivery, ensuring robust and efficient software solutions particularly in Ruby environments.

My experience spans various technologies including Ruby on Rails, JavaScript, ReactJS, JQuery, SCSS, and PostgreSQL. I am adept at collaborating with stakeholders, designers, and developers to deliver timely, high-quality projects across sectors such as finance and client services. I am passionate about leveraging clean code principles and test-driven development to build scalable, maintainable software products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Fluent

Work Experience

Senior Software Engineer - Ruby at Reinteractive

February 29, 2024 - July 14, 2025

Integrated technologies like HTML, JS, ReactJS, JQuery, CSS, SCSS within Ruby on Rails environments delivering polished front-end solutions, collaborated on Ruby back-end features for projects with clients including Kollaras, APCO ARL Marketplace, NIB, and BondAdviser. Managed internal and external stakeholders and successfully refactored and optimized existing Ruby codebases to improve performance and maintainability.

Senior Software Engineer - Ruby at Cohabit

February 28, 2025 - July 14, 2025

Designed and optimized scalable web applications using Ruby on Rails and PostgreSQL, enhancing system performance and user engagement. Developed dynamic and responsive user interfaces with JavaScript (ES6+) and SCSS. Built and maintained RESTful APIs with Grape and Ruby on Rails. Deployed and maintained AWS cloud infrastructure applications ensuring availability and scalability. Partnered with designers for feature-rich releases on time. Contributed to frontend uplift using Hotwire, Tailwind, ViewComponent, React, and followed TDD and clean code principles while improving team workflows.

Senior Software Engineer - Ruby - Contract at BondAdviser

May 31, 2025 - July 14, 2025

Web Designer at Australian Importing Club

October 31, 2018 - July 14, 2025

Customized and developed dynamic WooCommerce websites enhancing page views and user experience to increase sales. Managed content collaboratively with marketing and content teams to improve customer reach. Maintained client communications to refine website design and setup. Delivered completed site http://supergates.com.au.

Web Developer at RGIT Australia

November 30, 2018 - July 14, 2025

Designed and developed a user-friendly website with an attractive interface for shop directory and custom user shop uploads. Built a comprehensive database with detailed shop information. Delivered project at https://www.publiguiadigital.com.ar/Digital/Home.

Web Developer at Alumetal S.A

July 31, 2011 - July 14, 2025

Designed and developed showroom website including complete stock of products. Improved customer services with contact pages for order attention and client communications. Delivered project at http://www.alumetalsa.com/. Developed automation and billing software interfaces using C, MySQL, and Visual Studio as personal projects.

Digital Producer at Our Very Own

September 30, 2022 - July 14, 2025

Built landing pages from scratch and tweaked existing pages for clients such as Kingsfield and Society Armadale. Developed dynamic and interactive templates and EDMs allowing client customization of content and visuals. Estimated project timelines and applied graphic design skills to adapt content templates.

Freelance Web Developer - Ruby & PHP at Savi Communications

August 31, 2022 - July 14, 2025

Senior Front End Developer - Ruby at Vic Roads

October 31, 2022 - July 14, 2025

Implemented complex features in Ruby to connect front-end with back-end functionalities and used JavaScript/jQuery for dynamic front-end component creation. Enhanced performance and maintainability of Ruby codebase for VicRoads SaaS product through refactoring and optimization.

Senior Software Engineer - Ruby at Reinteractive

February 29, 2024 - August 13, 2025

Integrated HTML, JS, ReactJS, JQuery, CSS, SCSS, Ruby on Rails technologies to deliver polished front-end solutions. Collaborated on back-end features using Ruby for clients including Kollaras, APCO ARL Marketplace, NIB, and BondAdviser. Managed stakeholders and refactored Ruby codebases to improve performance and maintainability.

Senior Software Engineer - Ruby at Coh abit

February 28, 2025 - August 13, 2025

Designed and optimized scalable web applications using Ruby on Rails and PostgreSQL. Developed dynamic user interfaces with JavaScript (ES6+) and SCSS. Built and maintained RESTful APIs with Grape and Ruby on Rails. Deployed applications on AWS cloud infrastructure. Partnered with designers to translate business needs into technical solutions and delivered feature-rich releases on time.

Senior Software Engineer - Ruby (Frontend Uplift) at Coh abit

February 28, 2025 - August 13, 2025

Contributed to frontend uplift of a core financial platform by rearchitecting legacy views using Hotwire, Tailwind CSS, and ViewComponent. Collaborated cross-functionally to translate complex business requirements into scalable UI components. Reimplemented key features with React and Rails, following TDD and clean code principles in an agile environment. Influenced technical direction and improved team workflows.

Senior Software Engineer - Ruby - Contract at BondAdviser

May 31, 2025 - August 13, 2025

Worked remotely delivering senior Ruby software engineering services for BondAdviser during contract period.

Web Designer at Australian Importing Club

October 31, 2018 - August 13, 2025

Customized WordPress and WooCommerce websites to increase page views and sales. Managed content with marketing and content teams to improve customer reach. Followed up with client requirements and delivered completed sites like http://supergates.com.au.

Web Developer at RGIT Australia

November 30, 2018 - August 13, 2025

Designed and developed user-friendly website interface including a large database of shops with owner-upload functionality. Used HTML, CSS, JQuery, ReactJS, and PHP tools to build the site https://www.publiguiadigital.com.ar/Digital/Home.

Web Developer at Alumetal S.A

July 31, 2011 - August 13, 2025

Developed showroom website with full stock and customer service pages improving order attention. Used HTML, CSS, JQuery, ReactJS, phpMyAdmin, and AngularJS. Site: http://www.alumetalsa.com/

Digital Producer at Our Very Own

September 30, 2022 - August 13, 2025

Built landing pages and EDMs from scratch and tweaked existing pages for clients like Kingsfield and Society Armadale. Estimated project delivery times and developed dynamic and interactive templates using HTML, JS, JQuery, CSS, SCSS, Bootstrap, MAMP, PHP, Ruby. Applied graphic design skills to adapt content.

Freelance Web Developer - Ruby & PHP at Savi Communications

August 31, 2022 - August 13, 2025

Provided freelance web development services using Ruby and PHP technologies.

Senior Front End Developer - Ruby at Vic Roads

October 31, 2022 - August 13, 2025

Implemented complex features using Ruby for backend connectivity and JavaScript/jQuery for dynamic front-end components. Refactored Ruby codebase to enhance performance and maintainability of VicRoads cross-platform SaaS product.

Senior Software Engineer - Ruby at Reinteractive

February 29, 2024 - August 21, 2025

Proficiently integrated front-end technologies including HTML, JS, ReactJS, JQuery, CSS, and SCSS within Ruby on Rails environments to deliver polished solutions. Collaborated on backend features using Ruby and managed stakeholders for clients such as Kollaras, APCO ARL Marketplace, NIB, and BondAdviser. Successfully refactored and optimized existing Ruby codebases to enhance performance and maintainability.

Senior Software Engineer - Ruby at Cohabit

February 28, 2025 - August 21, 2025

Designed and optimized scalable web applications using Ruby on Rails and PostgreSQL, improving system performance and user engagement. Developed dynamic user interfaces with JavaScript (ES6+), SCSS, and built/maintained RESTful APIs with Grape and RoR for seamless integrations. Deployed and maintained applications on AWS ensuring high availability and secure hosting. Collaborated closely with designers to translate business requirements into technical solutions, delivering feature-rich releases on time. Utilized technologies including Sentry, ClickUp, and Buildkite.

Senior Software Engineer - Ruby at BondAdviser

May 31, 2025 - August 21, 2025

Contributed frontend uplift of core financial platform by rearchitecting legacy views using Hotwire, Tailwind CSS, and ViewComponent to improve maintainability and responsiveness. Collaborated cross-functionally to translate complex business needs into scalable UI components. Reimplemented key features with React and Rails, delivering a modern user experience. Followed TDD and clean code principles in an agile environment. Played a hands-on role in shaping technical direction and team workflows.

Web Designer at Australian Importing Club

October 31, 2018 - August 21, 2025

Customized dynamic and interactive WooCommerce websites using WordPress, HTML, CSS, and PHP to enhance user experience and increase sales. Managed content alongside marketing teams and liaised with clients to meet design requirements. Delivered https://supergates.com.au.

Web Developer at RGIT Australia

November 30, 2018 - August 21, 2025

Designed a user-friendly website with an attractive interface to locate shops and developed a comprehensive shop database for San Juan with user submission features. Applied technologies such as HTML, CSS, JQuery, ReactJS, and phpMyAdmin. Delivered https://www.publiguiadigital.com.ar/Digital/Home.

Web Developer at Alumetal S.A

July 31, 2011 - August 21, 2025

Designed and developed a showroom website with a full stock product catalog. Improved customer order attention by developing services and contact pages. Utilized HTML, CSS, JQuery, ReactJS, phpMyAdmin, and AngularJS. Delivered http://www.alumetalsa.com/

Digital Producer at Our Very Own

September 30, 2022 - August 21, 2025

Built landing pages from scratch and enhanced existing pages for multiple clients including Kingsfield and Society Armadale using HTML, JS, JQuery, CSS, SCSS, Bootstrap, MAMP, PHP, and Ruby. Developed dynamic interactive templates and EDMs with customization capabilities. Managed project delivery estimates and applied graphic design skills for content adaptation.

Freelance Web Developer - Ruby & PHP at Savi Communications

August 31, 2022 - August 21, 2025

Senior Front End Developer - Ruby at Vic Roads

October 31, 2022 - August 21, 2025

Implemented complex features using Ruby to connect backend functionalities and JavaScript/jQuery for dynamic front-end components. Enhanced codebase performance and maintainability for cross-platform SaaS products through refactoring and optimization. Utilized AWS and Sourcetree for deployment and version control.