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
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
Big Data
The Senior Backend Engineer will design, develop, and test data annotation tools while ensuring code quality and implementing security measures. They will work closely with product and engineering teams, promoting modern practices like Agile.
Top Skills:
ApacheAWSAzureDjangoDockerFastapiGCPGitKubernetesNginxPython
What you need to know about the Colorado Tech Scene
With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.
Key Facts About Colorado Tech
- Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
- Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
- Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
- Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute
