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Urgent! Senior Fullstack Developer Job Opening In Madrid – Now Hiring JR Spain

Senior Fullstack Developer



Job description

Social network you want to login/join with: 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 both with

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.

Understands the complexity of web technology, constraints, UI/UX.

Startup mindset and a proactive, ownership-driven approach, experience in product companies will be 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.

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Required Skill Profession

Informática Y Tecnología



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