Senior Backend Engineer (New Services)

Snoonu; Doha; On-site; QAR 300,000 - 540,000; Full time

Benefits offered by this job

Global Vibes

Brain Boosters

Builder’s Playground

Flexible Time Off

Agile Everything

Job summary

Snoonu, Qatar’s homegrown Super App, is seeking a senior backend engineer to design scalable services built on .NET Core 8. You will work across systems, optimize data models in PostgreSQL, MongoDB, and DynamoDB, and drive robust test coverage.

You'll participate in architecture discussions, perform code reviews, and mentor teammates while delivering reliable deployments in production. Join a fast-growing, globally connected team.

Qualifications

• 7+ years of backend development experience.
• 5+ years with .NET Core.
• Proficiency in RESTful services and gRPC.
• Expertise in relational and non-relational databases.

Responsibilities

• Design and build backend services using .NET Core 8.
• Optimize database performance with efficient data models.
• Participate in system design discussions for scalable architecture.
• Conduct code reviews to ensure coding standards.
• Refactor code for readability and performance.
• Write unit and integration tests with high coverage.
• Troubleshoot production and development issues.
• Document architectural decisions and systems.
• Participate in production deployments and post-release validation.

Skills

NET Core

RESTful APIs

gRPC

PostgreSQL

MongoDB

DynamoDB

RabbitMQ

Distributed systems

Design patterns

Unit testing

Performance testing

Tools

PostgreSQL

MongoDB

DynamoDB

RabbitMQ

Job description

What You’ll Get Your Hands On

• Design and build backend services using .NET Core 8 and ensure they integrate smoothly with other parts of the system.
• Optimize database performance through query optimization and implementing efficient data models in PostgreSQL, MongoDB, and DynamoDB.
• Participate in system design discussions to contribute to architectural improvements and ensure scalability and maintainability of services.
• Conduct code reviews to ensure adherence to coding standards and provide feedback to improve team performance.
• Implement refactoring efforts to improve existing codebases for better efficiency and readability.
• Write unit tests, integration tests, and ensure high test coverage for backend services.
• Troubleshoot and debug complex issues in both production and development environments.
• Document technical decisions, systems, and processes to support team knowledge sharing and future development.
• Participate in production deployments, ensuring that all systems function as expected after new releases.

The Magic You Bring

• 7+ years of experience in backend development, with 5+ years of experience working specifically with .NET Core.
• Proficiency in RESTful services and gRPC design and development, with a focus on maintainability and scalability.
• Expertise in relational databases like PostgreSQL and non-relational databases like MongoDB and DynamoDB.
• Familiarity with message brokers such as RabbitMQ and understanding of asynchronous operations and distributed systems.
• Deep understanding of software design patterns (e.g., Singleton, Factory, Strategy) and the ability to refactor and optimize existing codebases.
• Experience with code refactoring techniques, improving code structure and maintainability while preserving functionality.
• Experience in conducting unit testing, integration testing, and performance testing to ensure application robustness.

Bonus Points If You Have

• Strong experience in diagnosing and resolving complex performance issues, such as memory leaks, using advanced profiling and optimization tools.
• Ability to lead large-scale projects, ensuring alignment with both technical and business objectives.
• Experience in mentoring junior developers and guiding team growth.
• Familiarity with load testing and performance tuning.
• Ability to contribute to technical discussions and offer creative solutions.
• Experience with diagramming tools like Miro

Inside Snoonu’s Universe

Snoonu is Qatar’s homegrown Super App, reinventing daily life with blazing-fast delivery, shopping, and more – all in one place. Powered by tech, driven by a global team, and obsessed with making life easier.

The Dream We’re Chasing

To be the first Qatari Ultra App that propels the region and its community through innovation and technology. We have global ambitions where what we do surpasses norms and limitations every time.

The Quest We’re On

To radically transform how people live by leveraging technology to connect them with endless possibilities.

Our Everyday Superpowers

Be Customer Obsessed: “Focus on the customer and all else will follow.”

Act with Integrity: “We are honest, ethical, and trustworthy in everything we do.”

Be Curious and Creative: “We constantly innovate and create solutions to bring a lasting positive impact.”

Lead by Example and Take Ownership: “Be the change you want to see and take ownership.”

Work Smart and Deliver Results: “You can do more by doing less, better, and faster.”

It’s All About People: “Be a team player; together we are stronger.”

Real Builders Ship: “We turn ideas into products, plans into action, and challenges into opportunities.”

Perks & Worklife Magic At Snoonu

Global Vibes – Collaborate with a worldwide crew.

Brain Boosters – Learning budgets, access to courses, and tools for your growth.

Builder’s Playground – Own your tasks, own your path! We’re big on autonomy.

Flexible Time Off – We take recharging seriously. Generous leave and wellness policies.

Agile Everything – Scrum isn’t a buzzword here. It’s how we roll, from product to ops.

Great Place to Work Certified

We’re certified as a Great Place to Work, a recognition that celebrates a culture we’ve built together where people come first, always. This certification reflects our commitment to creating a workplace where everyone feels valued, empowered, and inspired to do their best work.

Certified for Excellence

Our ISO 9001:2015 and ISO 45001:2018 certifications demonstrate our dedication to world-class quality and a safe, supportive workplace, reinforcing our promise to deliver exceptional service while prioritizing the wellbeing of our people.

Beyond the Code: Giving Back Matters

We don’t just build apps. We’re committed to doing business sustainably and giving back to the community that fuels us. From eco-conscious practices to CSR projects, we’re always finding ways to do better—and we invite you to be a part of that mission.

Diversity Isn’t Just a Buzzword

At Snoonu, fairness and inclusion are the foundation of everything we do. We’re proud to be an equal opportunity workplace that welcomes people from every walk of life. Be bold. Be you. Thrive here.

Let’s Build the Future Together