Yassir is the leading super App in the Maghreb region set to change the way daily services are provided. It currently operates in

45 cities across Algeria, Morocco and Tunisia with recent expansions into France, Canada and Sub-Saharan Africa . It is backed ( $200M in funding ) by VCs from Silicon Valley, Europe and other parts of the world.

We offer on-demand services such as ride-hailing and last-mile delivery. Building on this infrastructure, we are now introducing financial services to help our users pay, save and borrow digitally.

Helping usher the continent into a digital economy era. We’re not just about serving people – we’re about creating a marketplace to bring people what they need while infusing social values.

About The Role As a Backend Staff Engineer, you will drive the technical standards for the Backend across our consumer domain, working with multiple squads inside the domain. You will lead Backend engineers with tech roadmaps, architecture decisions, and feature development and release cycle. You will mentor junior developers. You will contribute to scaling up Backend engineers in multiple squads and bringing great talents on board by conducting technical interviews.

Responsibilities

Design, build and maintain features for the domain applications

Provide technical leadership and manage dependencies

Conduct design and code reviews

Help the domain team members with technical blockers supporting them and helping them grow

Continuously discover, evaluate, and implement new technologies to maximize efficiency

Participate in architecture and design discussions

Participate strongly in building the technical roadmap

Conduct technical interviews

Help improve engineering standards, tooling, and processes

Project Ownership

Perform feasibility studies to validate capability and functionality





Draft and submit intellectual property

Research and assess current technologies

Develop and execute complex, multi-tier distributed software search applications

Create technical and domain expertise and apply to products and problems

Assess and write code to improve or extend application

Manage and assist current software applications

Experience providing technical leadership, and mentoring others

Experience

At least 10 years of experience in backend engineering with NodeJS

Strong foundation in programming fundamentals

Excellent communication skills

Enjoy solving problems and helping others meet their goals

Solid understanding of X

Substantial experience with Git in a team environment

Experience writing testable code and unit tests

Experience in a fast-growing startup in the on-demand services space is a plus

Have a deep knowledge of React and NodeJS, and you have experience developing products with it

Experience using modern JavaScript and tooling in a full-stack setting

Extensive experience with A/B experiments and have a data-driven attitude toward product development

At Yassir, we believe in the power of diversity and the importance of an inclusive culture. So, if you're ready to bring your unique perspective and experiences to the table, then we're excited to listen.

Don't just apply for a job, come and be a part of our journey. Let's create a better tomorrow together.

We look forward to receiving your application!

Best of luck,

Your Yassir TA Team

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

📌 Staff Full-Stack Engineer (Madrid)
🏢 Yassir
📍 Madrid