Are you a Software Engineer eager to turn technical expertise into real-world innovation? At Mosaic Factor, we specialise in developing custom AI algorithms and turning them into robust and scalable software applications for the mobility and logistics sectors, combining Big Data, Machine Learning, and Artificial Intelligence in solutions with real impact.
If you are highly motivated and feel passionate about technology and continuous learning, here you’ll have the opportunity to develop your professional career at international level.
ABOUT THE OPPORTUNITY
We are looking for a Software Engineer with solid software engineering background to join our team in developing innovative solutions that solve real market problems. You will primarily work on developing complex and scalable back-end systems for AI solutions, with opportunities to contribute to front-end development when needed.
Your expertise will be key to transforming research concepts into productive applications that optimize urban transport, improve global logistics, and contribute to more sustainable cities. You will collaborate closely with data scientists, domain experts, and researchers in an environment where technological innovation combines with real social impact.
WHAT YOU NEED EXCEL
Academic Background: Degree in Computer Science, or related field.
Experience:
- 3+ years of experience in software development, with emphasis on back-end systems
- Proven experience in real development and production deployment projects
Core technical expertise:
- Programming Paradigms: Solid knowledge of object-oriented, functional, and other programming paradigms
- Languages: Professional experience with Java and Python, with the ability to work efficiently in both
- Software Architecture: Deep knowledge of design patterns, SOLID principles, and scalable architectures
- APIs and Microservices: Experience designing and implementing RESTful APIs and distributed architectures
Front-End Development (Highly Valued)
- React: Practical experience developing user interfaces with React and its ecosystem
- JavaScript/TypeScript: Solid knowledge of modern front-end stack
- UI/UX: Ability to create intuitive interfaces that handle complex data
DevOps and Infrastructure
- Containers: Experience with Docker and container orchestration
- CI/CD: Knowledge of continuous integration and deployment pipelines
- Cloud Platforms: Familiarity with AWS, GCP, or Azure for production deployment
- Tools: Git, monitoring systems, and observability tools
AI/ML Knowledge (Differential Plus)
- Fundamental Concepts: Understanding of Machine Learning algorithms and their practical application
- Model Integration: Experience integrating ML models into production applications
- Generative AI: Knowledge of LLMs, RAG, or agent frameworks for innovative applications
- MLOps: Experience in model lifecycle, from development to production monitoring
ABOUT US
Mosaic Factor is a Barcelona-based startup with currently 15 employees. We were founded in April 2016 by an agile development believer, a technology guru, and a sustainability dreamer who had a vision to exploit the power of data to improve the lives of others.
Our software-as-a-service products help understand and improve flows of people and goods, respect people’s privacy and business sensitivity and soon develop more robust and fair AI. Data is at centre of all our activities.
If you’re looking for a startup company that values transparency, empathy, personal, AND professional growth, but still knows how to have some fun – we’re the company for you. We’re disrupting the world’s largest market – the world you and we live in. Our team is expanding slowly but steadily, and we want you to help us continue our growth.
YOUR RESPONSIBILITIES
Back-End Development
- Design and implement robust and scalable back-end systems
- Develop efficient APIs that integrate complex data and AI algorithms
- Optimise performance of applications handling large data volumes
- Maintain code quality through best practices, testing, and technical documentation
Front-End Contribution
- Develop intuitive interfaces using React to visualize complex data
- Collaborate in designing user experiences that facilitate decision-making
- Integrate front-end with back-end systems efficiently and maintainably
Integration and Deployment
- Implement solutions in high-availability production environments
- Manage CI/CD pipelines for automated and secure deployment
- Monitor production systems and resolve incidents proactively
Collaboration and Innovation
- Work closely with data scientists to productivize research algorithms
- Participate in defining technical architectures for new projects
- Contribute technical ideas to improve existing processes and solutions
- Stay updated on emerging technologies relevant to the domain
WHAT WE OFFER
Real Innovation Projects
- Prediction Systems for route optimization and urban fleet management
- Data Platforms that process mobility information in real-time
- AI Solutions for sustainable logistics and efficient eCommerce
- Advanced Applications that combine European research with practical implementation
Professional Growth
- Direct collaboration with international researchers and experts
- Participation in Horizon Europe projects and innovation initiatives
- Continuous training in emerging AI technologies and software development
- Exposure to different domains: automotive, smart cities, green logistics
Flexible Work Environment
- Hybrid mode: Barcelona city center office + remote work
- Flexible hours that adapt to your productivity and work style
- International team with collaborative and supportive culture
- Relaxed atmosphere where ideas and technical contributions are valued
Benefits and Compensation
- Competitive salary according to your experience and contribution to the team
- Comprehensive social benefits
- Training budget and participation in technical conferences
- Flexibility to explore new technologies and innovative approaches
Are you ready to apply your software engineering expertise to projects that truly matter? At Mosaic Factor, you will have the opportunity to work at the intersection of advanced technology and social innovation, developing solutions that contribute to a more sustainable and intelligent future.
Join our team and be part of the technological transformation in mobility and logistics!