Ivan P.-Full Stack Software Engineer
Check rate
Experience
CTO, Principal Engineer & IT Consultant
Self Employed
- Built full stack applications across MERN (MongoDB, Express, React, Node.js) and MEAN (MongoDB, Express, Angular, Node.js) stacks, reducing time-to-market by 30% on average.
- Developed and maintained WordPress sites with custom themes, plugins, and headless integrations, and built Shopify apps and storefront customizations, improving conversion by 25%.
- Built backend services in Python and Java, plus REST APIs and data layers across PostgreSQL, MySQL, and MongoDB, improving throughput by 45% under peak load.
- Deployed applications with Docker, Kubernetes, and CI/CD on AWS, cutting deploy time by 50% and rollbacks by 35%.
Co-Founder
Einabit
- Built the core platform end to end on the MERN stack with React, Node.js, Express, MongoDB, and TypeScript, launching MVP in under 6 months.
- Built a headless WordPress integration and a Shopify-connected storefront, improving content and commerce workflows by 35%.
- Designed REST APIs and data layers with clear versioning, applying SOLID and clean architecture principles.
- Built automated test suites (Jest, Cypress) and CI/CD pipelines, raising coverage from ~20% to 75%.
Senior Backend Developer
Trucksters
- Built and maintained high-throughput backend services in Node.js, TypeScript, Python, and Java, processing thousands of events per minute.
- Designed REST APIs and schemas across MongoDB, PostgreSQL, and MySQL supporting real-time workflows and third-party integrations.
- Implemented event-driven architecture with Kafka and RabbitMQ for asynchronous processing across distributed services.
- Containerized services with Docker and Kubernetes on AWS, reducing infrastructure cost by 20%.
Lead Developer
Dribo
- Led a team of 6 developers building a consumer platform on the MEAN stack with Angular, Node.js, Express, MongoDB, and TypeScript.
- Owned frontend architecture, API design, and data modelling, and delivered WordPress-powered marketing pages and a Shopify-backed storefront, improving development velocity by 35%.
- Established automated testing (Jest, Cypress) and CI/CD as default habits, raising release cadence from monthly to weekly.
- Mentored junior developers and refactored legacy modules incrementally without freezing feature delivery.
Lead Frontend Developer
QMENTA Inc
- Led frontend development for a medical imaging platform using React, Angular, TypeScript, Redux, and D3.js.
- Improved rendering performance of large imaging datasets by 40%, enabling smooth interaction on clinical-grade hardware.
- Defined component architecture and API contracts with backend teams, reducing integration rework by 25%.
Senior Frontend Developer
Vueling
- Built a mobile project for airline customer experience used by thousands of daily travelers.
- Optimized app performance for low-end devices and intermittent connectivity, reducing load times by 30%.
Senior Frontend Developer
Entradas a tu alcance
- Developed ticketing and e-commerce platform features with WordPress, React, AngularJS, Node.js, and AWS.
- Customized Shopify and WordPress themes and integrated REST APIs for catalog and checkout flows.
Lead Frontend Developer
Jitrix Software & Design
- Led front and back-end development of web applications using WordPress, React, Node.js, JavaScript, and MySQL.
- Introduced Git-based workflows and modern tooling, improving collaboration efficiency by 20%.
Frontend Developer
Gfi España
- Built the Chronotime frontend with JavaScript, HTML5, CSS3, Backbone.js, and jQuery.
- Used Grunt for build automation and maintained cross-browser compatibility across legacy clients.
Programmer
everis
- Contributed to the Odigeo project using Java, Spring, Guice, Maven, Oracle PL/SQL, and the Atlassian stack (Jira, Confluence, Bitbucket).
- Worked within an enterprise SDLC with code review and structured release processes.
Programmer
webexperience.es
- Developed and maintained WordPress-based web and backend features in PHP, JavaScript, Python, and MySQL.
- Integrated real estate portals with 13+ third-party listing partners, ensuring data consistency and uptime.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Real Estate, Transportation, Healthcare, and Tourism.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Summary
Full Stack Software Engineer with 10+ years building web applications across MERN and MEAN stacks, plus Python and Java backends. Experienced with CMS platforms including WordPress and Shopify, covering custom themes, plugins, apps, and headless integrations. Strong in React, Angular, Node.js, TypeScript, MongoDB, PostgreSQL, and MySQL, with hands-on work in REST APIs, e-commerce, and cloud deployment (AWS, Docker, Kubernetes). Owns features end to end — from requirements through implementation, testing, and production support.
Skills
- Stacks: Mern (Mongodb, Express, React, Node.Js), Mean (Mongodb, Express, Angular, Node.Js)
- Languages: Javascript, Typescript, Python, Java, Php, Sql
- Frontend: React, Angular, Angularjs, Next.Js, Redux, Html5, Css3, Tailwind Css
- Backend & Apis: Node.Js, Express, Nestjs, Python (Django, Flask, Fastapi), Java (Spring Boot), Rest Apis, Graphql, Microservices, Clean Architecture, Solid Principles
- Cms & E-Commerce: Wordpress (Custom Themes, Custom Plugins, Headless), Shopify (Apps, Themes, Storefront Customization), Woocommerce (Familiar), Headless Cms Integrations, E-Commerce Checkout Flows, Catalog & Order Management
- Databases: Mongodb, Postgresql, Mysql, Redis
- Cloud & Devops: Aws, Docker, Kubernetes, Ci/Cd, Github Actions, Git, Linux
- Testing: Jest, Cypress, Playwright, Pytest, Junit
Languages
Education
CIPFP Batoi
Computer Science · Alcoi, Spain
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Ivan is based in Valencia, Spain and prefers 100% remote projects.
Ivan speaks the following languages: Spanish (Native), English (Advanced), French (Advanced).
Ivan has at least 12 years of experience. During this time, Ivan has worked in at least 8 different roles and for 11 different companies. The average length of individual experience is 1 year and 1 month. Note that Ivan may not have shared all experience and actually has more experience.
Based on recent experience, Ivan would be well-suited for roles such as: CTO, Principal Engineer & IT Consultant, Co-Founder, Senior Backend Developer.
Ivan's most recent position is CTO, Principal Engineer & IT Consultant at Self Employed.
In recent years, Ivan has worked for Self Employed, Einabit, and Trucksters.
Ivan is most experienced in industries like Information Technology, Real Estate, and Transportation. Ivan also has some experience in Healthcare and Tourism.
Ivan is most experienced in business areas like Information Technology and Product Development.
Ivan has recently worked in industries like Information Technology and Transportation.
Ivan has recently worked in business areas like Information Technology and Product Development.
Ivan holds a Bachelor in Computer Science from CIPFP Batoi.
Ivan is immediately available part-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 17 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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