Senior Fullstack developer

JR Spain; Barcelona; Presencial; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A fast-growing startup is seeking a Senior Fullstack Product Developer in Barcelona to enhance a platform revolutionizing the deskless work experience. The role requires expertise in Python and React, along with the ability to build scalable applications. Join a flexible and collaborative environment focused on continuous learning and innovation.

Formación

• 5+ years of experience developing scalable applications using both frontend and backend technologies.
• Deep expertise in message queues, especially RabbitMQ.
• Ability to understand the pros and cons of different architecture decisions.

Responsabilidades

• Lead the design, development, and maintenance of complex Python applications.
• Collaborate with product management to define technical requirements.
• Write clean, efficient, and self-documented code.

Conocimientos

Experience developing scalable applications

Python

React

MongoDB

MySQL

RabbitMQ

AWS

Azure

Descripción del empleo

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Please note: for this position, we are considering candidates who are available to travel occasionally to Lisbon for team meetings.

Over 20 years of market experience, Intellias brings together technologists, creators and innovators in Europe, North and Latin America, and the Middle East. Join our international team and take the mission to solve the advanced tech challenges of tomorrow!

Our client is a fast-growing startup revolutionizing the deskless work experience with a platform that streamlines operations from scheduling to payroll. With over 3.8B deskless workers worldwide, the opportunity is vast. The product offers features like scheduling, time tracking, task and communication management, HR tools, training, and more.

We’re seeking a Senior Fullstack Product Developer to enhance the platform. You'll help build a fast, scalable, user-friendly product used daily, working on everything from intuitive UIs to robust backend solutions.

Requirements

• 5+ years of experience developing scalable applications using both frontend and backend technologies.
• 5+ years of experience with Python.
• 3+ years of experience with React, including State Management libraries like MobX, redux.
• Extensive hands-on experience with MongoDB and MySQL at an expert level.
• Deep expertise in message queues, especially RabbitMQ, for building scalable, message-driven systems.
• Experience with both AWS and Azure.
• Ability to understand the pros and cons of different architecture decisions and choose the best option.
• Experience scaling services to millions of users.
• Understanding the complexity of web technology, constraints, UI/UX.
• Startup mindset and a proactive, ownership-driven approach; experience in product companies is a great advantage.

Responsibilities

• Lead the design, development, and maintenance of complex Python applications.
• Collaborate with product management and other stakeholders to define technical requirements and deliverables.
• Write clean, efficient, and self-documented code.
• Implement automation tests.
• Participate in code reviews to ensure code quality and maintainability.
• Monitor application performance and provide optimization recommendations.
• Stay up to date with the latest technologies and industry trends.
• Drive the continuous technological improvement process.

At Intellias, people always come before processes. We combine cutting-edge technology with a culture that champions autonomy, collaboration, and continuous learning. Our flexible, people-centered environment—paired with comprehensive benefits—makes this an ideal place for technology leaders ready to make their mark. If you’re excited to architect impactful mobile solutions, we’d love to meet you.