As a Senior Back-end Developer, you'll design APIs, configure chat servers, create DB models, and guide a team in backend development.
Yassir is the leading super App in the Maghreb region set to changing 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
In this role, you will be part of our growing and international engineering team, working with a high-quality code base and the latest tools, where you will promote your skills to be an expert in complex backend development. You will build XMPP Chat Application using different servers like ejabberd or mongooseim or prosody. You will unleash your creativity to design APIs for communication between web client (web browser application), mobile app and chat server using client/server protocol or library.
Conduct requirement Analysis, High Level designing, Chat/videochat Server Configuration, Development and Deployment of the chat server.
Scale Architecture designing and Documentation for Asynchronous Data Communication.
Guide/help team (of iOS/Android/Web developers) to implement all features as part of a bigger application.
Create DB Modelling, System Testing, Compatibility Testing of the Chat Application
Nice to have:
Experience using Docker and Kubernetes
Java/Kotlin and Spring Boot
Qualifications
- +4 years working experience in related field.
- Hands-on development experience of implementing live chat and video chat servers.
- Able to write custom server side code as desired such as database operations, custom user defined functions etc.
- Strong understanding of client/server protocols including XMPP ,TCP/IP, HTTP, socket.io, WebSocket, and Ejabberd
- Developer should be able to design APIs for communication between web client (web browser application), mobile app and chat server using client/server protocol or library.
Why you should join Yassir
- 😎 You will be part of one of the first Algerian startups to go through the Y Combinator program and one of the fastest-growing tech companies in North Africa. We are current in +30 cities (Algeria, Tunisia, Morocco, Senegal, France and Germany)
- 💸 Attractive salary and you even get a stake in the company
- 🚉 Subsidized public transit pass
- 🤙🏽Have a lasting impact on our company's culture
- 🚀 Perfect timing with renowned investors to build something great
- 📈 Extremely steep learning curve with own responsibility and intensive guidance
- 💯 Make a real impact on the world by helping us bring affordable financial and on-demand services to millions of Africans
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
Top Skills
Docker
Ejabberd
HTTP
Java
Kotlin
Kubernetes
Socket.Io
Spring Boot
Tcp/Ip
Websocket
Xmpp
Similar Jobs
Information Technology • Mobile • Consulting
Design, build and maintain large-scale backend systems and microservices using Node.js, Python or Go. Create RESTful APIs, ensure code quality via tests and reviews, participate in architecture and product discussions, and deliver robust server-side solutions on schedule.
Top Skills:
Node.Js,Python,Go,Mongodb,Express.Js,Rest,Microservices,Git,Docker,Kubernetes,Redis
Fintech • Information Technology • Payments • Software • Financial Services
Develop and maintain backend systems using Java, implement RESTful APIs, optimize performance, and mentor junior developers.
Top Skills:
AWSAzureDockerHibernateJavaJava EeKubernetesMavenMySQLOraclePostgresSpring BootSQL
Information Technology
Design, develop, and maintain backend services using Python and Java, support migration to Java, and ensure system stability and reliability while collaborating with cross-functional teams.
Top Skills:
AWSDjangoFastapiFlaskJavaMySQLPostgresPythonSpring Boot
What you need to know about the Los Angeles Tech Scene
Los Angeles is a global leader in entertainment, so it’s no surprise that many of the biggest players in streaming, digital media and game development call the city home. But the city boasts plenty of non-entertainment innovation as well, with tech companies spanning verticals like AI, fintech, e-commerce and biotech. With major universities like Caltech, UCLA, USC and the nearby UC Irvine, the city has a steady supply of top-flight tech and engineering talent — not counting the graduates flocking to Los Angeles from across the world to enjoy its beaches, culture and year-round temperate climate.
Key Facts About Los Angeles Tech
- Number of Tech Workers: 375,800; 5.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Snap, Netflix, SpaceX, Disney, Google
- Key Industries: Artificial intelligence, adtech, media, software, game development
- Funding Landscape: $11.6 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Strong Ventures, Fifth Wall, Upfront Ventures, Mucker Capital, Kittyhawk Ventures
- Research Centers and Universities: California Institute of Technology, UCLA, University of Southern California, UC Irvine, Pepperdine, California Institute for Immunology and Immunotherapy, Center for Quantum Science and Engineering

